Merge branch 'develop' into feature

Related work items: #939, #943, #946, #947, #948, #949, #951, #952, #953, #954, #955, #956, #957

.gitignore

@@ -426,3 +426,6 @@ FodyWeavers.xsd
 *.msix
 *.msm
 *.msp
+
+# CSV Files
+*.csv

Trenser.FileManager/Trenser.FileManager/FileIO.cpp

@@ -0,0 +1,27 @@
+#include "pch.h"
+#include "FileIO.h"
+
+std::vector<std::string> FileIO::readAllLines(const std::string& path)
+{
+    std::ifstream file(path);
+    if (!file.is_open())
+    {
+        std::ofstream newFile(path);
+        newFile.close();
+        file.open(path);
+    }    std::vector<std::string> lines;
+    std::string line;
+    while (std::getline(file, line))
+        lines.push_back(line);
+    return lines;
+}
+
+void FileIO::writeAllLines(const std::string& path,
+    const std::vector<std::string>& lines)
+{
+    std::ofstream file(path, std::ios::trunc);
+    if (!file.is_open())
+        throw std::runtime_error("Failed to open file " + path);
+    for (const auto& line : lines)
+        file << line << '\n';
+}

Trenser.FileManager/Trenser.FileManager/FileIO.h

@@ -0,0 +1,18 @@
+#pragma once
+#include<memory>
+#include<vector>
+#include<fstream>
+#include<string>
+#include<stdexcept>
+
+#ifdef TRENSERFILEMANAGER_EXPORTS
+#define TRENSERFILEMANAGER_API __declspec(dllexport)
+#else
+#define TRENSERFILEMANAGER_API __declspec(dllimport)
+#endif
+
+class TRENSERFILEMANAGER_API FileIO {
+public:
+    static std::vector<std::string> readAllLines(const std::string& path);
+    static void writeAllLines(const std::string& path, const std::vector<std::string>& lines);
+};

Trenser.FileManager/Trenser.FileManager/FileManager.h

@@ -0,0 +1,52 @@
+#pragma once
+#include <stdexcept>
+#include "FileIO.h"
+
+template <typename T> using objects = std::map<std::string, T*>;
+
+template <typename T>
+class FileManager
+{
+private:
+	std::string m_filePath;
+public:
+	FileManager() : m_filePath("") {}
+	FileManager(const std::string& filePath) : m_filePath(filePath) {}
+	objects<T> load();
+	void save(const objects<T>&);
+};
+
+template <typename T>
+objects<T> FileManager<T>::load()
+{
+	objects<T> records;
+	auto lines = FileIO::readAllLines(m_filePath);
+	bool isHeader = true;
+	for (const auto& record : lines)
+	{
+		if (isHeader)
+		{
+			isHeader = false;
+			continue;
+		}
+		auto object = T::deserialize(record);
+		if (!object)
+		{
+			throw std::runtime_error("Failed to deserialize record");
+		}
+		records[object->getId()] = object;
+	}
+	return records;
+}
+
+template <typename T>
+void FileManager<T>::save(const objects<T>& records)
+{
+	std::vector<std::string> lines;
+	lines.push_back(T::getHeaders());
+	for (const auto& recordPair : records)
+	{
+		lines.push_back(recordPair.second->serialize());
+	}
+	FileIO::writeAllLines(m_filePath, lines);
+}

Trenser.FileManager/Trenser.FileManager/Trenser.FileManager.vcxproj

@@ -135,11 +135,14 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
+    <ClInclude Include="FileIO.h" />
+    <ClInclude Include="FileManager.h" />
     <ClInclude Include="framework.h" />
     <ClInclude Include="pch.h" />
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="dllmain.cpp" />
+    <ClCompile Include="FileIO.cpp" />
     <ClCompile Include="pch.cpp">
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">Create</PrecompiledHeader>
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">Create</PrecompiledHeader>

Trenser.FileManager/Trenser.FileManager/Trenser.FileManager.vcxproj.filters

@@ -21,6 +21,12 @@
     <ClInclude Include="pch.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="FileManager.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="FileIO.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="dllmain.cpp">
@@ -29,5 +35,8 @@
     <ClCompile Include="pch.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="FileIO.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>

Trenser.FileManager/Trenser.FileManager/pch.h

@@ -9,5 +9,10 @@
 
 // add headers that you want to pre-compile here
 #include "framework.h"
+#include<memory>
+#include<vector>
+#include<fstream>
+#include<string>
+#include<stdexcept>
 
 #endif //PCH_H

Trenser.Zenvy/Trenser.Zenvy/Trenser.Zenvy.cpp

@@ -0,0 +1,15 @@
+/*
+ * File: Trenser.Zenvy.cpp
+ * Description: Zenvy Main
+ * Author: Trenser
+ * Created: 30-Mar-2026
+ */
+
+#include "UserInterface.h"
+#include "FileManager.h"
+int main()
+{
+	UserInterface userInterFace;
+	userInterFace.run();
+	return 0;
+}

Trenser.Zenvy/Trenser.Zenvy/Trenser.Zenvy.vcxproj

@@ -102,12 +102,17 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>$(ProjectDir)controllers;$(ProjectDir)services;$(ProjectDir)utilities;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ProjectDir)models;$(ProjectDir)controllers;$(ProjectDir)services;$(ProjectDir)utilities;$(ProjectDir)factories;$(ProjectDir)datastores;$(ProjectDir)views;%(AdditionalIncludeDirectories);..\..\Trenser.FileManager\Trenser.FileManager</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
+      <AdditionalLibraryDirectories>..\..\Trenser.FileManager\$(IntDir);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <AdditionalDependencies>Trenser.FileManager.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
+    <PostBuildEvent>
+      <Command>xcopy /y /d "..\..\Trenser.FileManager\$(IntDir)Trenser.FileManager.dll" "$(OutDir)"</Command>
+    </PostBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <ClCompile>
@@ -117,11 +122,17 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <AdditionalIncludeDirectories>;..\..\Trenser.FileManager\Trenser.FileManager</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
+      <AdditionalLibraryDirectories>..\..\Trenser.FileManager\$(IntDir);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <AdditionalDependencies>Trenser.FileManager.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
+    <PostBuildEvent>
+      <Command>xcopy /y /d "..\..\Trenser.FileManager\$(IntDir)Trenser.FileManager.dll" "$(OutDir)"</Command>
+    </PostBuildEvent>
   </ItemDefinitionGroup>
   <ItemGroup>
     <ClCompile Include="controllers\ZenvyController.cpp" />
@@ -131,6 +142,7 @@
     <ClCompile Include="models\Attendance.cpp" />
     <ClCompile Include="models\Booking.cpp" />
     <ClCompile Include="models\Candidate.cpp" />
+    <ClCompile Include="models\Faq.cpp" />
     <ClCompile Include="models\FinanceExecutive.cpp" />
     <ClCompile Include="models\GeneralEmployee.cpp" />
     <ClCompile Include="models\ITExecutive.cpp" />
@@ -145,10 +157,11 @@
     <ClCompile Include="models\Team.cpp" />
     <ClCompile Include="models\TeamExecutive.cpp" />
     <ClCompile Include="models\Ticket.cpp" />
+    <ClCompile Include="services\ApplicationConfig.cpp" />
     <ClCompile Include="services\AttendanceManagementService.cpp" />
     <ClCompile Include="services\AuthenticationManagementService.cpp" />
     <ClCompile Include="services\BookingManagementService.cpp" />
-    <ClCompile Include="services\EmployeeManagememtService.cpp" />
+    <ClCompile Include="services\EmployeeManagementService.cpp" />
     <ClCompile Include="services\LeaveManagementService.cpp" />
     <ClCompile Include="services\LogService.cpp" />
     <ClCompile Include="services\NotificationManagementService.cpp" />
@@ -160,11 +173,23 @@
     <ClCompile Include="models\Employee.cpp" />
     <ClCompile Include="models\HRManager.cpp" />
     <ClCompile Include="Trenser.Zenvy.cpp" />
+    <ClCompile Include="utilities\AuthorizationHelper.cpp" />
     <ClCompile Include="utilities\Enums.cpp" />
     <ClCompile Include="utilities\InputHelper.cpp" />
     <ClCompile Include="utilities\OutputHelper.cpp" />
+    <ClCompile Include="utilities\StringHelper.cpp" />
     <ClCompile Include="utilities\Timestamp.cpp" />
     <ClCompile Include="utilities\Validator.cpp" />
+    <ClCompile Include="views\AdminMenu.cpp" />
+    <ClCompile Include="views\EmployeeMenu.cpp" />
+    <ClCompile Include="views\FinanceExecutiveMenu.cpp" />
+    <ClCompile Include="views\HRManagerMenu.cpp" />
+    <ClCompile Include="views\ITExecutiveMenu.cpp" />
+    <ClCompile Include="views\MenuHelper.cpp" />
+    <ClCompile Include="views\TalentExecutiveMenu.cpp" />
+    <ClCompile Include="views\TeamExecutiveMenu.cpp" />
+    <ClCompile Include="views\TeamLeadMenu.cpp" />
+    <ClCompile Include="views\UserInterface.cpp" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="controllers\ZenvyController.h" />
@@ -174,6 +199,7 @@
     <ClInclude Include="models\Attendance.h" />
     <ClInclude Include="models\Booking.h" />
     <ClInclude Include="models\Candidate.h" />
+    <ClInclude Include="models\Faq.h" />
     <ClInclude Include="models\FinanceExecutive.h" />
     <ClInclude Include="models\GeneralEmployee.h" />
     <ClInclude Include="models\ITExecutive.h" />
@@ -188,10 +214,11 @@
     <ClInclude Include="models\Team.h" />
     <ClInclude Include="models\TeamExecutive.h" />
     <ClInclude Include="models\Ticket.h" />
+    <ClInclude Include="services\ApplicationConfig.h" />
     <ClInclude Include="services\AttendanceManagementService.h" />
     <ClInclude Include="services\AuthenticationManagementService.h" />
     <ClInclude Include="services\BookingManagementService.h" />
-    <ClInclude Include="services\EmployeeManagememtService.h" />
+    <ClInclude Include="services\EmployeeManagementService.h" />
     <ClInclude Include="services\LeaveManagementService.h" />
     <ClInclude Include="services\LogService.h" />
     <ClInclude Include="services\NotificationManagementService.h" />
@@ -199,11 +226,23 @@
     <ClInclude Include="services\TalentAcquisitionManagementService.h" />
     <ClInclude Include="services\TeamManagementService.h" />
     <ClInclude Include="services\TicketManagementService.h" />
+    <ClInclude Include="utilities\AuthorizationHelper.h" />
     <ClInclude Include="utilities\Enums.h" />
     <ClInclude Include="utilities\InputHelper.h" />
     <ClInclude Include="utilities\OutputHelper.h" />
+    <ClInclude Include="utilities\StringHelper.h" />
     <ClInclude Include="utilities\Timestamp.h" />
     <ClInclude Include="utilities\Validator.h" />
+    <ClInclude Include="views\AdminMenu.h" />
+    <ClInclude Include="views\EmployeeMenu.h" />
+    <ClInclude Include="views\FinanceExecutiveMenu.h" />
+    <ClInclude Include="views\HRManagerMenu.h" />
+    <ClInclude Include="views\ITExecutiveMenu.h" />
+    <ClInclude Include="views\MenuHelper.h" />
+    <ClInclude Include="views\TalentExecutiveMenu.h" />
+    <ClInclude Include="views\TeamExecutiveMenu.h" />
+    <ClInclude Include="views\TeamLeadMenu.h" />
+    <ClInclude Include="views\UserInterface.h" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="models\Admin.h" />

Trenser.Zenvy/Trenser.Zenvy/Trenser.Zenvy.vcxproj.filters

@@ -5,10 +5,6 @@
       <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
       <Extensions>cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
     </Filter>
-    <Filter Include="Header Files">
-      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
-      <Extensions>h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd</Extensions>
-    </Filter>
     <Filter Include="Resource Files">
       <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
       <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
@@ -31,17 +27,18 @@
     <Filter Include="DataStores">
       <UniqueIdentifier>{eb93b9d1-08eb-48aa-be2a-e17085ce27bd}</UniqueIdentifier>
     </Filter>
+    <Filter Include="Header Files">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd</Extensions>
+    </Filter>
+    <Filter Include="Views">
+      <UniqueIdentifier>{84db0710-2b0f-48bc-a72f-bd10c29954fc}</UniqueIdentifier>
+    </Filter>
   </ItemGroup>
   <ItemGroup>
-    <ClCompile Include="Trenser.Zenvy.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="services\AuthenticationManagementService.cpp">
       <Filter>Services</Filter>
     </ClCompile>
-    <ClCompile Include="services\EmployeeManagememtService.cpp">
-      <Filter>Services</Filter>
-    </ClCompile>
     <ClCompile Include="services\AttendanceManagementService.cpp">
       <Filter>Services</Filter>
     </ClCompile>
@@ -156,14 +153,59 @@
     <ClCompile Include="models\Log.cpp">
       <Filter>Models</Filter>
     </ClCompile>
+    <ClCompile Include="Trenser.Zenvy.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="views\AdminMenu.cpp">
+      <Filter>Views</Filter>
+    </ClCompile>
+    <ClCompile Include="views\EmployeeMenu.cpp">
+      <Filter>Views</Filter>
+    </ClCompile>
+    <ClCompile Include="views\FinanceExecutiveMenu.cpp">
+      <Filter>Views</Filter>
+    </ClCompile>
+    <ClCompile Include="views\HRManagerMenu.cpp">
+      <Filter>Views</Filter>
+    </ClCompile>
+    <ClCompile Include="views\ITExecutiveMenu.cpp">
+      <Filter>Views</Filter>
+    </ClCompile>
+    <ClCompile Include="views\TalentExecutiveMenu.cpp">
+      <Filter>Views</Filter>
+    </ClCompile>
+    <ClCompile Include="views\TeamExecutiveMenu.cpp">
+      <Filter>Views</Filter>
+    </ClCompile>
+    <ClCompile Include="views\TeamLeadMenu.cpp">
+      <Filter>Views</Filter>
+    </ClCompile>
+    <ClCompile Include="views\UserInterface.cpp">
+      <Filter>Views</Filter>
+    </ClCompile>
+    <ClCompile Include="models\Faq.cpp">
+      <Filter>Models</Filter>
+    </ClCompile>
+    <ClCompile Include="services\ApplicationConfig.cpp">
+      <Filter>Services</Filter>
+    </ClCompile>
+    <ClCompile Include="services\EmployeeManagementService.cpp">
+      <Filter>Services</Filter>
+    </ClCompile>
+    <ClCompile Include="views\MenuHelper.cpp">
+      <Filter>Views</Filter>
+    </ClCompile>
+    <ClCompile Include="utilities\AuthorizationHelper.cpp">
+      <Filter>Services</Filter>
+    </ClCompile>
+    <ClCompile Include="utilities\StringHelper.cpp">
+      <Filter>Utilities</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="services\AuthenticationManagementService.h">
       <Filter>Services</Filter>
     </ClInclude>
-    <ClInclude Include="services\EmployeeManagememtService.h">
-      <Filter>Services</Filter>
-    </ClInclude>
     <ClInclude Include="services\TicketManagementService.h">
       <Filter>Services</Filter>
     </ClInclude>
@@ -269,6 +311,51 @@
     <ClInclude Include="models\Log.h">
       <Filter>Models</Filter>
     </ClInclude>
+    <ClInclude Include="views\AdminMenu.h">
+      <Filter>Views</Filter>
+    </ClInclude>
+    <ClInclude Include="views\EmployeeMenu.h">
+      <Filter>Views</Filter>
+    </ClInclude>
+    <ClInclude Include="views\FinanceExecutiveMenu.h">
+      <Filter>Views</Filter>
+    </ClInclude>
+    <ClInclude Include="views\HRManagerMenu.h">
+      <Filter>Views</Filter>
+    </ClInclude>
+    <ClInclude Include="views\ITExecutiveMenu.h">
+      <Filter>Views</Filter>
+    </ClInclude>
+    <ClInclude Include="views\TalentExecutiveMenu.h">
+      <Filter>Views</Filter>
+    </ClInclude>
+    <ClInclude Include="views\TeamExecutiveMenu.h">
+      <Filter>Views</Filter>
+    </ClInclude>
+    <ClInclude Include="views\TeamLeadMenu.h">
+      <Filter>Views</Filter>
+    </ClInclude>
+    <ClInclude Include="views\UserInterface.h">
+      <Filter>Views</Filter>
+    </ClInclude>
+    <ClInclude Include="models\Faq.h">
+      <Filter>Models</Filter>
+    </ClInclude>
+    <ClInclude Include="services\ApplicationConfig.h">
+      <Filter>Services</Filter>
+    </ClInclude>
+    <ClInclude Include="services\EmployeeManagementService.h">
+      <Filter>Services</Filter>
+    </ClInclude>
+    <ClInclude Include="views\MenuHelper.h">
+      <Filter>Views</Filter>
+    </ClInclude>
+    <ClInclude Include="utilities\AuthorizationHelper.h">
+      <Filter>Services</Filter>
+    </ClInclude>
+    <ClInclude Include="utilities\StringHelper.h">
+      <Filter>Utilities</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="models\Employee.h">

Trenser.Zenvy/Trenser.Zenvy/controllers/ZenvyController.cpp

@@ -1 +1,245 @@
+/*
+ * File: ZenvyController.cpp
+ * Description : Controls data flow between UI and Service Layers.
+ * Author: Trenser
+ * Created : 01-Apr-2026
+ */
 #include "ZenvyController.h"
+
+/*
+ * Function: login
+ * Description: authenticates the employee based on email and password
+ * Parameters:
+ *    email - email of the employee
+ *    password - password of the employee
+ * Returns:
+ *    Tuple - login status, employee type, employee designation
+ *    login status - success or failed
+ *    employee type - type of the employee logged in
+ *    employee designation - designation if employee type is GENERAL.
+ */
+AuthenticationDTO ZenvyController::login(const std::string& email, const std::string& password)
+{
+    return m_authenticationManagementService->login(email, password);
+}
+
+/*
+ * Function: logout
+ * Description: logs out the currently authenticated employee
+ * Parameters:
+ *    None
+ * Returns:
+ *    void - no return value
+ */
+void ZenvyController::logout()
+{
+    m_authenticationManagementService->logout();
+}
+
+/*
+ * Function: changePassword
+ * Description: updates the password of the currently authenticated employee
+ * Parameters:
+ *    password - the new password to be set for the employee
+ * Returns:
+ *    void - no return value
+ */
+void ZenvyController::changePassword(const std::string& password)
+{
+    m_authenticationManagementService->changePassword(password);
+}
+
+/*
+ * Function: createEmployee
+ * Description: creates a new employee with the given details
+ * Parameters:
+ *    employeeType - type of employee to be created
+ *    employeeDesignation - designation of the employee
+ *    email - email address of the employee
+ *    name - name of the employee
+ *    phone - phone number of the employee
+ * Returns:
+ *    void - no return value
+ */
+void ZenvyController::createEmployee(Enums::EmployeeType employeeType, Enums::EmployeeDesignation employeeDesignation, const std::string& email, const std::string& name, const std::string& phone) const
+{
+    m_employeeManagementService->createEmployee(employeeType, employeeDesignation, email, name, phone);
+}
+
+/*
+ * Function: deactivateEmployee
+ * Description: deactivates an employee based on employee ID
+ * Parameters:
+ *    id - unique employee ID
+ * Returns:
+ *    bool - true if deactivated successfully, false otherwise
+ */
+bool ZenvyController::deactivateEmployee(const std::string& id) const
+{
+    return m_employeeManagementService->deactivateEmployee(id);
+}
+
+/*
+ * Function: updateProfile
+ * Description: updates the profile of the currently authenticated employee
+ * Parameters:
+ *    name - updated name of the employee
+ *    phone - updated phone number
+ * Returns:
+ *    void - no return value
+ */
+void ZenvyController::updateProfile(const std::string& name, const std::string& phone)
+{
+    m_employeeManagementService->updateProfile(name, phone);
+}
+
+/*
+ * Function: searchEmployee
+ * Description: searches employees based on name
+ * Parameters:
+ *    name - name or partial name of the employee
+ * Returns:
+ *    Pair of employee type and list of matching employees
+ */
+std::pair<Enums::EmployeeType, std::vector<const Employee*>> ZenvyController::searchEmployee(const std::string& name)
+{
+    return m_employeeManagementService->searchEmployee(name);
+}
+
+/*
+ * Function: getCurrentEmployee
+ * Description: retrieves the currently authenticated employee
+ * Parameters:
+ *    None
+ * Returns:
+ *    Pointer to the authenticated employee
+ */
+const Employee* ZenvyController::getCurrentEmployee() const
+{
+    return m_employeeManagementService->getCurrentEmployee();
+}
+
+/*
+ * Function: updateDesignation
+ * Description: updates the designation of an employee
+ * Parameters:
+ *    id - unique employee ID
+ *    designation - new designation to be assigned
+ * Returns:
+ *    bool - true if update is successful, false otherwise
+ */
+bool ZenvyController::updateDesignation(const std::string& id, Enums::EmployeeDesignation designation)
+{
+    return m_employeeManagementService->updateDesignation(id, designation);
+}
+
+/*
+ * Function: getShorlistedCandidates
+ * Description: retrieves the list of shortlisted candidates
+ * Parameters:
+ *    None
+ * Returns:
+ *    Vector of shortlisted candidate pointers
+ */
+std::vector<Candidate*> ZenvyController::getShorlistedCandidates() const
+{
+    return m_employeeManagementService->getShorlistedCandidates();
+}
+
+/*
+ * Function: updateSalary
+ * Description: updates salary details of an employee
+ * Parameters:
+ *    employeeId - unique employee ID
+ *    basicSalary - basic salary amount
+ *    houseRentAllowance - HRA amount
+ *    foodAllowance - food allowance amount
+ *    employeePFContribution - employee PF contribution
+ *    employerPFContribution - employer PF contribution
+ * Returns:
+ *    void - no return value
+ */
+void ZenvyController::updateSalary(const std::string& employeeId, double basicSalary, double houseRentAllowance, double foodAllowance, double employeePFContribution, double employerPFContribution)
+{
+    m_payslipManagementService->updateSalary(employeeId, basicSalary, houseRentAllowance, foodAllowance, employeePFContribution, employerPFContribution);
+}
+
+/*
+ * Function: generatePayslips
+ * Description: generates payslips for all eligible employees
+ * Parameters:
+ *    None
+ * Returns:
+ *    void - no return value
+ */
+void ZenvyController::generatePayslips()
+{
+    m_payslipManagementService->generatePayslips();
+}
+
+/*
+ * Function: loadStates
+ * Description: loads persisted application data into memory
+ * Parameters:
+ *    None
+ * Returns:
+ *    void - no return value
+ */
+void ZenvyController::loadStates()
+{
+    m_employeeManagementService->loadEmployees();
+    m_payslipManagementService->loadPayrolls();
+    m_payslipManagementService->loadPayslips();
+}
+
+/*
+ * Function: persistStates
+ * Description: saves current application data to storage
+ * Parameters:
+ *    None
+ * Returns:
+ *    void - no return value
+ */
+void ZenvyController::persistStates()
+{
+    m_employeeManagementService->saveEmployees();
+    m_payslipManagementService->savePayrolls();
+    m_payslipManagementService->savePayslips();
+}
+
+/*
+ * Function: getPayslipForMonth
+ * Description: retrieves payroll and payslip details for a specific month
+ * Parameters:
+ *    employeeId - unique employee ID
+ *    year - year of the payslip
+ *    month - month of the payslip
+ * Returns:
+ *    Pair of payroll and payslip pointers
+ */
+std::pair<Payroll*, Payslip*> ZenvyController::getPayslipForMonth(const std::string& employeeId, int year, int month)
+{
+    return m_payslipManagementService->getPayslipForMonth(employeeId, year, month);
+}
+
+/*
+ * Function: ~ZenvyController
+ * Description: cleans up dynamically allocated service objects
+ * Parameters:
+ *    None
+ * Returns:
+ *    void - no return value
+ */
+ZenvyController::~ZenvyController()
+{
+    delete m_authenticationManagementService;
+    delete m_attendanceManagementService;
+    delete m_bookingManagementService;
+    delete m_employeeManagementService;
+    delete m_leaveManagementService;
+    delete m_notificationManagementService;
+    delete m_payslipManagementService;
+    delete m_talentAcquisitionManagementService;
+    delete m_teamManagementService;
+    delete m_ticketManagementService;
+}

Trenser.Zenvy/Trenser.Zenvy/controllers/ZenvyController.h

@@ -1,5 +1,77 @@
+/*
+ * File: ZenvyController.h
+ * Description : Controls data flow between UI and Service Layers.
+ * Author: Trenser
+ * Created : 01-Apr-2026
+ */
+
 #pragma once
+#include <utility>
+#include "AuthenticationManagementService.h"
+#include "AttendanceManagementService.h"
+#include "BookingManagementService.h"
+#include "EmployeeManagementService.h"
+#include "LeaveManagementService.h"
+#include "NotificationManagementService.h"
+#include "PayslipManagementService.h"
+#include "TalentAcquisitionManagementService.h"
+#include "TeamManagementService.h"
+#include "TicketManagementService.h"
+#include "Enums.h"
+
 class ZenvyController
 {
-};
+private:
+    AuthenticationManagementService* m_authenticationManagementService;
+    AttendanceManagementService* m_attendanceManagementService;
+    BookingManagementService* m_bookingManagementService;
+    EmployeeManagementService* m_employeeManagementService;
+    LeaveManagementService* m_leaveManagementService;
+    NotificationManagementService* m_notificationManagementService;
+    PayslipManagementService* m_payslipManagementService;
+    TalentAcquisitionManagementService* m_talentAcquisitionManagementService;
+    TeamManagementService* m_teamManagementService;
+    TicketManagementService* m_ticketManagementService;
+public:
+    ZenvyController() :
+        m_authenticationManagementService(new AuthenticationManagementService()),
+        m_attendanceManagementService(new AttendanceManagementService()),
+        m_bookingManagementService(new BookingManagementService()),
+        m_employeeManagementService(new EmployeeManagementService()),
+        m_leaveManagementService(new LeaveManagementService()),
+        m_notificationManagementService(new NotificationManagementService()),
+        m_payslipManagementService(new PayslipManagementService()),
+        m_talentAcquisitionManagementService(new TalentAcquisitionManagementService()),
+        m_teamManagementService(new TeamManagementService()),
+        m_ticketManagementService(new TicketManagementService()) {};
+    ~ZenvyController();
 
+    //Authentication
+    AuthenticationDTO login(const std::string& email, const std::string& password);
+    void logout();
+    void changePassword(const std::string&);
+
+    //Employee Management
+    void createEmployee(Enums::EmployeeType, Enums::EmployeeDesignation, const std::string&, const std::string&, const std::string&) const;
+    bool deactivateEmployee(const std::string&) const;
+    const Employee* getCurrentEmployee() const;
+    void updateProfile(const std::string&, const std::string&);
+    std::pair<Enums::EmployeeType, std::vector<const Employee*>> searchEmployee(const std::string&);
+    bool updateDesignation(const std::string&, Enums::EmployeeDesignation);
+    std::vector<Candidate*> getShorlistedCandidates() const;
+
+    template <typename ...Types>
+    Employees getEmployees(Types ...types) const
+    {
+        return m_employeeManagementService->getEmployees(types...);
+    }
+
+    //Payslip management
+    void updateSalary(const std::string&, double, double, double, double, double);
+    void generatePayslips();
+    std::pair<Payroll*, Payslip*>getPayslipForMonth(const std::string&, int, int);
+
+    //File Management
+    void loadStates();
+    void persistStates();
+};

Trenser.Zenvy/Trenser.Zenvy/datastores/DataStore.cpp

@@ -1 +1,152 @@
+/*
+ * File: DataStore.cpp
+ * Description: Central Storage for all the System Data.
+ * Author: Trenser
+ * Created: 01-Apr-2026
+ */
+
 #include "DataStore.h"
+#include "EmployeeManagementService.h"
+
+ /*
+  * Function: getInstance
+  * Description: provides a singleton instance of the DataStore.
+  * Parameters:
+  *    None
+  * Returns:
+  *    DataStore& - reference to the single DataStore object.
+  */
+DataStore& DataStore::getInstance()
+{
+    static DataStore dataStore;
+    return dataStore;
+}
+
+/*
+ * Function: getLogs
+ * Description: retrieves the log map containing system logs.
+ * Parameters:
+ *    None
+ * Returns:
+ *    logMap& - reference to the log map.
+ */
+logMap& DataStore::getLogs()
+{
+    return m_logs;
+}
+
+/*
+ * Function: getAuthenticatedEmployee
+ * Description: retrieves the currently authenticated employee.
+ * Parameters:
+ *    None
+ * Returns:
+ *    Employee*& - reference to the authenticated employee pointer.
+ */
+Employee*& DataStore::getAuthenticatedEmployee()
+{
+    return m_authenticatedEmployee;
+}
+
+/*
+ * Function: setAuthenticatedEmployee
+ * Description: sets the currently authenticated employee.
+ * Parameters:
+ *    authenticatedEmployee - pointer to the employee to be set as authenticated.
+ * Returns:
+ *    void - no return value.
+ */
+void DataStore::setAuthenticatedEmployee(Employee* authenticatedEmployee)
+{
+    m_authenticatedEmployee = authenticatedEmployee;
+}
+
+/*
+ * Function: getEmployees
+ * Description: retrieves the map containing all employees.
+ * Parameters:
+ *    None
+ * Returns:
+ *    employeeMap& - reference to the employee map.
+ */
+employeeMap& DataStore::getEmployees()
+{
+    return m_employees;
+}
+
+/*
+ * Function: getPayrolls
+ * Description: retrieves the map containing all payroll records.
+ * Parameters:
+ *    None
+ * Returns:
+ *    payrollMap& - reference to the payroll map.
+ */
+payrollMap& DataStore::getPayrolls()
+{
+    return m_payrolls;
+}
+
+/*
+ * Function: getPayslips
+ * Description: retrieves the map containing all payslip records.
+ * Parameters:
+ *    None
+ * Returns:
+ *    payslipMap& - reference to the payslip map.
+ */
+payslipMap& DataStore::getPayslips()
+{
+    return m_payslips;
+}
+
+/*
+ * Function: getCandidates
+ * Description: retrieves the map containing all shortlisted candidates.
+ * Parameters:
+ *    None
+ * Returns:
+ *    candidateMap& - reference to the candidate map.
+ */
+candidateMap& DataStore::getCandidates()
+{
+    return m_candidates;
+}
+
+/*
+ * Function: ~DataStore
+ * Description: releases all dynamically allocated objects stored in the DataStore.
+ * Parameters:
+ *    None
+ * Returns:
+ *    void - no return value.
+ */
+DataStore::~DataStore()
+{
+    for (auto& pair : m_employees)
+    {
+        delete pair.second;
+    }
+    m_employees.clear();
+    for (auto& pair : m_payrolls)
+    {
+        delete pair.second;
+    }
+    m_payrolls.clear();
+    for (auto& pair : m_payslips)
+    {
+        delete pair.second;
+    }
+    m_payslips.clear();
+    for (auto& pair : m_logs)
+    {
+        delete pair.second;
+    }
+    m_logs.clear();
+    for (auto& pair : m_candidates)
+    {
+        delete pair.second;
+    }
+    m_candidates.clear();
+    m_authenticatedEmployee = nullptr;
+}

Trenser.Zenvy/Trenser.Zenvy/datastores/DataStore.h

@@ -1,5 +1,60 @@
+/*
+ * File: DataStore.h
+ * Description: Central Storage for all the System Data.
+ * Author: Trenser
+ * Created: 01-Apr-2026
+ */
+
 #pragma once
+#include <map>
+#include "Employee.h"
+#include "Log.h"
+#include "Timestamp.h"
+#include "Admin.h"
+#include "HRManager.h"
+#include "GeneralEmployee.h"
+#include "ITExecutive.h"
+#include "FinanceExecutive.h"
+#include "TeamExecutive.h"
+#include "TalentExecutive.h"
+#include "Team.h"
+#include "Room.h"
+#include "Ticket.h"
+#include "JobListing.h"
+#include "Notification.h"
+#include "Announcement.h"
+#include "Faq.h"
+#include "Payroll.h"
+#include "Payslip.h"
+
+using employeeMap = std::map<std::string, Employee*>;
+using payrollMap = std::map<std::string, Payroll*>;
+using payslipMap = std::map<std::string, Payslip*>;
+using logMap = std::map<util::Timestamp, Log*>;
+using candidateMap = std::map<std::string, Candidate*>;
+
 class DataStore
 {
+private:
+    Employee* m_authenticatedEmployee;
+    employeeMap m_employees;
+    payrollMap m_payrolls;
+    payslipMap m_payslips;
+    logMap m_logs;
+    candidateMap m_candidates;
+    DataStore() : m_authenticatedEmployee(nullptr) {};
+public:
+    static DataStore& getInstance();
+    DataStore(const DataStore&) = delete;
+    DataStore& operator=(const DataStore&) = delete;
+    DataStore(DataStore&&) = delete;
+    DataStore& operator=(DataStore&&) = delete;
+    employeeMap& getEmployees();
+    payrollMap& getPayrolls();
+    payslipMap& getPayslips();
+    logMap& getLogs();
+    candidateMap& getCandidates();
+    Employee*& getAuthenticatedEmployee();
+    void setAuthenticatedEmployee(Employee*);
+    ~DataStore();
 };
-

Trenser.Zenvy/Trenser.Zenvy/factories/Factory.h

@@ -1,13 +1,29 @@
+/*
+ * File: Factory.h
+ * Description: Provides a generic factory utility to create objects.
+ * Author: Trenser
+ * Created: 01-Apr-2026
+ */
+
 #pragma once
-#include <memory>
 #include <utility>
 
 class Factory
 {
 public:
-	template<typename T, typename... Args>
-	static std::shared_ptr<T> getObject(Args&&... args)
-	{
-		return std::make_shared<T>(std::forward<Args>(args)...);
-	}
+
+    /*
+     * Function: getObject
+     * Description: Creates and returns a dynamically allocated object of type T.
+     * Parameters:
+     *    T - the type of object to be created
+     *    Args - constructor arguments forwarded to T's constructor
+     * Returns:
+     *    T* - pointer to the newly created object
+     */
+    template<typename T, typename... Args>
+    static T* getObject(Args&&... args)
+    {
+        return new T(std::forward<Args>(args)...);
+    }
 };

Trenser.Zenvy/Trenser.Zenvy/models/Admin.cpp

@@ -1 +1,7 @@
+/*
+ * File: Admin.cpp
+ * Description: Admin model class
+ * Author: Trenser
+ * Created: 31-Mar-2026
+ */
 #include "Admin.h"

Trenser.Zenvy/Trenser.Zenvy/models/Admin.h

@@ -1,6 +1,38 @@
+/*
+ * File: Admin.h
+ * Description: Admin model class
+ * Author: Trenser
+ * Created: 31-Mar-2026
+ */
 #pragma once
 #include "Employee.h"
 
 class Admin : public Employee
 {
+public:
+    Admin() = default;
+    Admin(
+        const std::string& name,
+        const std::string& phone,
+        const std::string& email,
+        Payroll* payroll
+    ) :Employee(name, phone, email, Enums::EmployeeType::ADMIN, payroll) {};
+    Admin(const std::string& id,
+        const std::string& name,
+        const std::string& phone,
+        const std::string& password,
+        const std::string& email,
+        const std::string& teamId,
+        Enums::TeamStatus teamStatus,
+        Enums::AccountStatus accountStatus)
+        : Employee(id,
+            name,
+            phone,
+            password,
+            email,
+            teamId,
+            teamStatus,
+            Enums::EmployeeType::ADMIN,
+            accountStatus) {}
+    ~Admin() = default;
 };

Trenser.Zenvy/Trenser.Zenvy/models/Announcement.cpp

@@ -1,5 +1,13 @@
+/*
+ * File: Announcement.cpp
+ * Description: The Announcement class defines a simple object for managing announcement details.
+ * Author: Trenser
+ * Created: 31-Mar-2026
+ */
 #include "Announcement.h"
 
+int Announcement::m_uid = 0;
+
 const std::string& Announcement::getAnnouncementId() const
 {
     return m_id;

Trenser.Zenvy/Trenser.Zenvy/models/Announcement.h

@@ -1,3 +1,9 @@
+/*
+ * File: Announcement.h
+ * Description: The Announcement class defines a simple object for managing announcement details.
+ * Author: Trenser
+ * Created: 31-Mar-2026
+ */
 #pragma once
 #include <string>
 #include "Timestamp.h"
@@ -5,14 +11,14 @@
 class Announcement
 {
 private:
+    static int m_uid;
     std::string m_id;
     util::Timestamp m_timestamp;
     std::string m_message;
 public:
-    Announcement() : m_id(""), m_timestamp(), m_message("") {}
-    Announcement(const std::string& id,
-        const std::string& message)
-        : m_id(id), m_message(message) {}
+    Announcement() : m_id("AN" + std::to_string(++m_uid)), m_timestamp(), m_message("") {}
+    Announcement(const std::string& message)
+        : m_id("AN" + std::to_string(++m_uid)), m_message(message) {}
     const std::string& getAnnouncementId() const;
     const util::Timestamp& getAnnouncementTimestamp() const;
     const std::string& getAnnouncementMessage() const;

Trenser.Zenvy/Trenser.Zenvy/models/Attendance.cpp

@@ -1,5 +1,13 @@
+/*
+ * File: Attendance.cpp
+ * Description: The Attendance class represents an attendance record by storing an ID, login and logout timestamps.
+ * Author: Trenser
+ * Created: 31-Mar-2026
+ */
 #include "Attendance.h"
 
+int Attendance::m_uid = 0;
+
 const std::string& Attendance::getAttendanceId() const
 {
     return m_id;

Trenser.Zenvy/Trenser.Zenvy/models/Attendance.h

@@ -1,3 +1,9 @@
+/*
+ * File: Attendance.h
+ * Description: The Attendance class represents an attendance record by storing an ID, login and logout timestamps.
+ * Author: Trenser
+ * Created: 31-Mar-2026
+ */
 #pragma once
 #include <string>
 #include "Timestamp.h"
@@ -5,15 +11,15 @@
 class Attendance
 {
 private:
+    static int m_uid;
     std::string m_id;
     util::Timestamp m_loginTime;
     util::Timestamp m_logoutTime;
 public:
-    Attendance() : m_id(""), m_loginTime(), m_logoutTime() {}
-    Attendance(const std::string& id,
-        const util::Timestamp& loginTime,
+    Attendance() : m_id("AD" + std::to_string(++m_uid)), m_loginTime(), m_logoutTime() {}
+    Attendance(const util::Timestamp& loginTime,
         const util::Timestamp& logoutTime)
-        : m_id(id), m_loginTime(loginTime), m_logoutTime(logoutTime) {}
+        : m_id("AD" + std::to_string(++m_uid)), m_loginTime(loginTime), m_logoutTime(logoutTime) {}
     const std::string& getAttendanceId() const;
     const util::Timestamp& getLoginTime() const;
     const util::Timestamp& getLogoutTime() const;

Trenser.Zenvy/Trenser.Zenvy/models/Booking.cpp

@@ -1,5 +1,13 @@
+/*
+ * File: Booking.cpp
+ * Description: The Booking class represents a time‑based booking with employee and team details and supports duration calculation.
+ * Author: Trenser
+ * Created: 31-Mar-2026
+ */
 #include "Booking.h"
 
+int Booking::m_uid = 0;
+
 const std::string& Booking::getBookingId() const
 {
     return m_id;
@@ -20,7 +28,7 @@ const std::string& Booking::getEmployeeId() const
     return m_employeeId;
 }
 
-std::shared_ptr<Team> Booking::getTeam() const
+Team* Booking::getTeam() const
 {
     return m_team;
 }
@@ -45,7 +53,7 @@ void Booking::setEmployeeId(const std::string& employeeId)
     m_employeeId = employeeId;
 }
 
-void Booking::setTeam(std::shared_ptr<Team> team)
+void Booking::setTeam(Team* team)
 {
     m_team = team;
 }

Trenser.Zenvy/Trenser.Zenvy/models/Booking.h

@@ -1,35 +1,40 @@
+/*
+ * File: Booking.h
+ * Description: The Booking class represents a time?based booking with employee and team details and supports duration calculation.
+ * Author: Trenser
+ * Created: 31-Mar-2026
+ */
 #pragma once
 #include <string>
-#include <memory>
 #include "Team.h"
 #include "Timestamp.h"
 
 class Booking
 {
 private:
+    static int m_uid;
     std::string m_id;
     util::Timestamp m_startTime;
     util::Timestamp m_endTime;
     std::string m_employeeId;
-    std::shared_ptr<Team> m_team;
+    Team* m_team;
 public:
-    Booking() : m_id(""), m_startTime(), m_endTime(), m_employeeId(""), m_team(nullptr) {}
-    Booking(const std::string& id,
-        const util::Timestamp& startTime,
+    Booking() : m_id("BK" + std::to_string(++m_uid)), m_startTime(), m_endTime(), m_employeeId(""), m_team(nullptr) {}
+    Booking(const util::Timestamp& startTime,
         const util::Timestamp& endTime,
         const std::string& employeeId,
-        std::shared_ptr<Team> team)
-        : m_id(id), m_startTime(startTime), m_endTime(endTime), m_employeeId(employeeId), m_team(team) {}
+        Team* team)
+        : m_id("BK" + std::to_string(++m_uid)), m_startTime(startTime), m_endTime(endTime), m_employeeId(employeeId), m_team(team) {}
     const std::string& getBookingId() const;
     const util::Timestamp& getStartTime() const;
     const util::Timestamp& getEndTime() const;
     const std::string& getEmployeeId() const;
-    std::shared_ptr<Team> getTeam() const;
+    Team* getTeam() const;
     void setBookingId(const std::string& id);
     void setStartTime(const util::Timestamp& startTime);
     void setEndTime(const util::Timestamp& endTime);
     void setEmployeeId(const std::string& employeeId);
-    void setTeam(std::shared_ptr<Team> team);
+    void setTeam(Team* team);
     double getDurationInHours() const;
     double getDurationInMinutes() const;
 };

Trenser.Zenvy/Trenser.Zenvy/models/Candidate.cpp

@@ -1,5 +1,13 @@
+/*
+ * File: Candidate.cpp
+ * Description: The Candidate class stores and manages a candidate’s information.
+ * Author: Trenser
+ * Created: 31-Mar-2026
+ */
 #include "Candidate.h"
 
+int Candidate::m_uid = 0;
+
 const std::string& Candidate::getCandidateId() const
 {
     return m_id;
@@ -10,7 +18,7 @@ const std::string& Candidate::getCandidateName() const
     return m_name;
 }
 
-long int Candidate::getCandidatePhone() const
+const std::string& Candidate::getCandidatePhone() const
 {
     return m_phone;
 }
@@ -35,7 +43,7 @@ void Candidate::setCandidateName(const std::string& name)
     m_name = name;
 }
 
-void Candidate::setCandidatePhone(long int phone)
+void Candidate::setCandidatePhone(const std::string& phone)
 {
     m_phone = phone;
 }

Trenser.Zenvy/Trenser.Zenvy/models/Candidate.h

@@ -1,3 +1,9 @@
+/*
+ * File: Candidate.h
+ * Description: The Candidate class stores and manages a candidate’s information.
+ * Author: Trenser
+ * Created: 31-Mar-2026
+ */
 #pragma once
 #include <string>
 #include "Enums.h"
@@ -5,27 +11,27 @@
 class Candidate
 {
 private:
+    static int m_uid;
     std::string m_id;
     std::string m_name;
-    long int m_phone;
+    std::string m_phone;
     std::string m_qualification;
     Enums::CandidateStatus m_status;
 public:
-    Candidate() : m_id(""), m_name(""), m_phone(0), m_qualification(""), m_status(Enums::CandidateStatus::PENDING) {}
-    Candidate(const std::string& id,
-        const std::string& name,
-        long int phone,
+    Candidate() : m_id("CD" + std::to_string(++m_uid)), m_name(""), m_phone(""), m_qualification(""), m_status(Enums::CandidateStatus::PENDING) {}
+    Candidate(const std::string& name,
+        const std::string& phone,
         const std::string& qualification,
         Enums::CandidateStatus status)
-        : m_id(id), m_name(name), m_phone(phone), m_qualification(qualification), m_status(status) {}
+        : m_id("CD" + std::to_string(++m_uid)), m_name(name), m_phone(phone), m_qualification(qualification), m_status(status) {}
     const std::string& getCandidateId() const;
     const std::string& getCandidateName() const;
-    long int getCandidatePhone() const;
+    const std::string& getCandidatePhone() const;
     const std::string& getCandidateQualification() const;
     Enums::CandidateStatus getCandidateStatus() const;
     void setCandidateId(const std::string& id);
     void setCandidateName(const std::string& name);
-    void setCandidatePhone(long int phone);
+    void setCandidatePhone(const std::string& phone);
     void setCandidateQualification(const std::string& qualification);
     void setCandidateStatus(Enums::CandidateStatus status);
 };

Trenser.Zenvy/Trenser.Zenvy/models/Employee.cpp

@@ -1,6 +1,51 @@
+/*
+ * File: Employee.cpp
+ * Description: The Employee class manages employee information and associated work records such as payroll, attendance, leaves, and payslips.
+ * Author: Trenser
+ * Created: 31-Mar-2026
+ */
+#include <sstream>
 #include "Employee.h"
+#include "Factory.h"
+#include "StringHelper.h"
+#include "Admin.h"
+#include "HRManager.h"
+#include "ITExecutive.h"
+#include "TalentExecutive.h"
+#include "TeamExecutive.h"
+#include "FinanceExecutive.h"
+#include "GeneralEmployee.h"
 
-const std::string& Employee::getEmployeeId() const
+int Employee::m_uid = 0;
+
+Employee::Employee(const std::string& id,
+    const std::string& name,
+    const std::string& phone,
+    const std::string& password,
+    const std::string& email,
+    const std::string& teamId,
+    Enums::TeamStatus teamStatus,
+    Enums::EmployeeType employeeType,
+    Enums::AccountStatus accountStatus)
+    : m_id(id),
+    m_password(password),
+    m_name(name),
+    m_phone(phone),
+    m_email(email),
+    m_accountStatus(accountStatus),
+    m_teamStatus(teamStatus),
+    m_teamId(teamId),
+    m_employeeType(employeeType),
+    m_payroll()
+{
+    int idNumber = util::extractNumber(m_id);
+    if (idNumber > m_uid)
+    {
+        m_uid = idNumber;
+    }
+}
+
+const std::string& Employee::getId() const
 {
     return m_id;
 }
@@ -40,7 +85,7 @@ const std::string& Employee::getEmployeeTeamId() const
     return m_teamId;
 }
 
-std::shared_ptr<Payroll> Employee::getPayroll() const
+Payroll* Employee::getPayroll() const
 {
     return m_payroll;
 }
@@ -60,6 +105,16 @@ const leaveMap& Employee::getEmployeeLeaves() const
     return m_leaves;
 }
 
+Enums::EmployeeType Employee::getEmployeeType() const
+{
+    return m_employeeType;
+}
+
+std::string Employee::getHeaders()
+{
+    return "EmployeeId,Email,Name,Phone,Password,TeamID,TeamStatus,AccountStatus,EmployeeType";
+}
+
 void Employee::setEmployeeId(const std::string& id)
 {
     m_id = id;
@@ -95,20 +150,36 @@ void Employee::setEmployeeTeamId(const std::string& teamId)
     m_teamId = teamId;
 }
 
-void Employee::setEmployeePayroll(std::shared_ptr<Payroll> payroll)
+void Employee::setEmployeePayroll(Payroll* payroll)
 {
     m_payroll = payroll;
 }
 
-void Employee::addPayslip(std::shared_ptr<Payslip> payslip)
+/*
+* Function: addPayslip
+* Description : Adds a payslip to the employee's payslip records
+* Parameters :
+     payslip - Pointer to the Payslip object to be added
+* Returns :
+     void
+ */
+void Employee::addPayslip(Payslip* payslip)
 {
     if (payslip)
     {
-        m_payslips[payslip->getPayslipId()] = payslip;
+        m_payslips[payslip->getId()] = payslip;
     }
 }
 
-void Employee::addAttendance(std::shared_ptr<Attendance> attendance)
+/*
+ * Function: addAttendance
+ * Description: Adds an attendance record to the employee's attendance history
+ * Parameters:
+ *    attendance - Pointer to the Attendance object containing login information
+ * Returns:
+ *    void
+ */
+void Employee::addAttendance(Attendance* attendance)
 {
     if (attendance)
     {
@@ -116,10 +187,141 @@ void Employee::addAttendance(std::shared_ptr<Attendance> attendance)
     }
 }
 
-void Employee::addLeave(std::shared_ptr<Leave> leave)
+/*
+ * Function: addLeave
+ * Description: Adds a leave record to the employee's leave history
+ * Parameters:
+ *    leave - Pointer to the Leave object to be added
+ * Returns:
+ *    void
+ */
+void Employee::addLeave(Leave* leave)
 {
     if (leave)
     {
         m_leaves[leave->getLeaveId()] = leave;
     }
 }
+
+/*
+ * Function: serialize
+ * Description: Serializes the employee object's core details into a comma-separated string
+ * Parameters:
+      None
+ * Returns:
+      A string containing serialized employee data in CSV format
+ */
+std::string Employee::serialize() const
+{
+    std::ostringstream serializedEmployee;
+    serializedEmployee << m_id << ','
+        << m_email << ','
+        << m_name << ','
+        << m_phone << ','
+        << m_password << ','
+        << m_teamId << ','
+        << Enums::getTeamStatusString(m_teamStatus) << ','
+        << Enums::getAccountStatusString(m_accountStatus) << ','
+        << Enums::getEmployeeTypeString(m_employeeType);
+    return serializedEmployee.str();
+}
+
+/*
+ * Function: deserialize
+ * Description: Creates and returns an Employee object from a serialized comma-separated record string
+ * Parameters:
+      record - A string containing serialized employee data in CSV format
+ * Returns:
+      Pointer to a newly created Employee object based on the employee type
+ */
+Employee* Employee::deserialize(const std::string& record)
+{
+    std::string id, name, phone, password, email;
+    std::string teamId, teamStatusString, accountStatusString, employeeTypeString;
+    std::istringstream serializedEmployee(record);
+    getline(serializedEmployee, id, ',');
+    getline(serializedEmployee, email, ',');
+    getline(serializedEmployee, name, ',');
+    getline(serializedEmployee, phone, ',');
+    getline(serializedEmployee, password, ',');
+    getline(serializedEmployee, teamId, ',');
+    getline(serializedEmployee, teamStatusString, ',');
+    getline(serializedEmployee, accountStatusString, ',');
+    getline(serializedEmployee, employeeTypeString, ',');
+    Enums::TeamStatus teamStatus = Enums::getTeamStatus(teamStatusString);
+    Enums::AccountStatus accountStatus = Enums::getAccountStatus(accountStatusString);
+    Enums::EmployeeType employeeType = Enums::getEmployeeType(employeeTypeString);
+    switch (employeeType)
+    {
+    case Enums::EmployeeType::IT:
+        return Factory::getObject<ITExecutive>(
+            id,
+            name,
+            phone,
+            password,
+            email,
+            teamId,
+            teamStatus,
+            accountStatus
+        );
+    case Enums::EmployeeType::FINANCE:
+        return Factory::getObject<FinanceExecutive>(
+            id,
+            name,
+            phone,
+            password,
+            email,
+            teamId,
+            teamStatus,
+            accountStatus
+        );
+    case Enums::EmployeeType::HR:
+        return Factory::getObject<HRManager>(
+            id,
+            name,
+            phone,
+            password,
+            email,
+            teamId,
+            teamStatus,
+            accountStatus
+        );
+    case Enums::EmployeeType::TEAM:
+        return Factory::getObject<TeamExecutive>(
+            id,
+            name,
+            phone,
+            password,
+            email,
+            teamId,
+            teamStatus,
+            accountStatus
+        );
+    case Enums::EmployeeType::TALENT_ACQUISITION:
+        return Factory::getObject<TalentExecutive>(
+            id,
+            name,
+            phone,
+            password,
+            email,
+            teamId,
+            teamStatus,
+            accountStatus
+        );
+    case Enums::EmployeeType::ADMIN:
+        return Factory::getObject<Admin>(
+            id,
+            name,
+            phone,
+            password,
+            email,
+            teamId,
+            teamStatus,
+            accountStatus
+        );
+    case Enums::EmployeeType::GENERAL:
+        throw std::runtime_error("Cannot deserialize GeneralEmployee!");
+    default:
+        return nullptr;
+    }
+}

Trenser.Zenvy/Trenser.Zenvy/models/Employee.h

@@ -1,19 +1,26 @@
+/*
+ * File: Employee.h
+ * Description: The Employee class manages employee information and associated work records such as payroll, attendance, leaves, and payslips.
+ * Author: Trenser
+ * Created: 31-Mar-2026
+ */
 #pragma once
 #include <string>
-#include <memory>
 #include <map>
 #include "Payslip.h"
 #include "Attendance.h"
 #include "Leave.h"
 #include "Payroll.h"
 #include "Enums.h"
-using payslipMap = std::map<std::string, std::shared_ptr<Payslip>>;
-using attendanceMap = std::map<int, std::map<std::string, std::shared_ptr<Attendance>>>;
-using leaveMap = std::map<std::string, std::shared_ptr<Leave>>;
+#include "ApplicationConfig.h"
+using payslipMap = std::map<std::string, Payslip*>;
+using attendanceMap = std::map<int, std::map<std::string, Attendance*>>;
+using leaveMap = std::map<std::string, Leave*>;
 
 class Employee
 {
-private:
+protected:
+    static int m_uid;
     std::string m_id;
     std::string m_password;
     std::string m_name;
@@ -22,21 +29,48 @@ private:
     Enums::AccountStatus m_accountStatus;
     Enums::TeamStatus m_teamStatus;
     std::string m_teamId;
-    std::shared_ptr<Payroll> m_payroll;
+    Payroll* m_payroll;
     payslipMap m_payslips;
     attendanceMap m_attendances;
     leaveMap m_leaves;
+    Enums::EmployeeType m_employeeType;
 public:
-    Employee() : m_id(""), m_password(""), m_name(""), m_phone(""), m_email(""), m_accountStatus(Enums::AccountStatus::ACTIVE), m_teamStatus(Enums::TeamStatus::NOT_IN_TEAM), m_teamId("") {}
-    Employee(const std::string& id,
-        const std::string& password,
-        const std::string& name,
+    Employee()
+        : m_id("EMP" + std::to_string(++m_uid)),
+        m_password(Config::Authentication::DEFAULT_PASSWORD),
+        m_name(""),
+        m_phone(""),
+        m_email(""),
+        m_accountStatus(Enums::AccountStatus::ACTIVE),
+        m_teamStatus(Enums::TeamStatus::NOT_IN_TEAM),
+        m_teamId(""),
+        m_payroll(nullptr),
+        m_employeeType(Enums::EmployeeType::GENERAL) {}
+    Employee(const std::string& name,
         const std::string& phone,
         const std::string& email,
+        Enums::EmployeeType employeeType,
+        Payroll* payroll)
+        : m_id("EMP" + std::to_string(++m_uid)),
+        m_password(Config::Authentication::DEFAULT_PASSWORD),
+        m_name(name),
+        m_phone(phone),
+        m_email(email),
+        m_accountStatus(Enums::AccountStatus::ACTIVE),
+        m_teamStatus(Enums::TeamStatus::NOT_IN_TEAM),
+        m_teamId(""),
+        m_employeeType(employeeType),
+        m_payroll(payroll) {}
+    Employee(const std::string& id,
+        const std::string& name,
+        const std::string& phone,
+        const std::string& password,
+        const std::string& email,
         const std::string& teamId,
-        std::shared_ptr<Payroll> payroll)
-        : m_id(id), m_password(password), m_name(name), m_phone(phone), m_email(email), m_accountStatus(Enums::AccountStatus::ACTIVE), m_teamStatus(Enums::TeamStatus::NOT_IN_TEAM), m_teamId(teamId), m_payroll(payroll) {}
-    const std::string& getEmployeeId() const;
+        Enums::TeamStatus teamStatus,
+        Enums::EmployeeType employeeType,
+        Enums::AccountStatus accountStatus);
+    const std::string& getId() const;
     const std::string& getEmployeePassword() const;
     const std::string& getEmployeeName() const;
     const std::string& getEmployeePhone() const;
@@ -44,7 +78,7 @@ public:
     Enums::AccountStatus getEmployeeAccountStatus() const;
     Enums::TeamStatus getEmployeeTeamStatus() const;
     const std::string& getEmployeeTeamId() const;
-    std::shared_ptr<Payroll> getPayroll() const;
+    Payroll* getPayroll() const;
     const payslipMap& getEmployeePayslips() const;
     const attendanceMap& getEmployeeAttendances() const;
     const leaveMap& getEmployeeLeaves() const;
@@ -55,9 +89,13 @@ public:
     void setEmployeeAccountStatus(Enums::AccountStatus status);
     void setEmployeeTeamStatus(Enums::TeamStatus status);
     void setEmployeeTeamId(const std::string& teamId);
-    void setEmployeePayroll(std::shared_ptr<Payroll> payroll);
-    void addPayslip(std::shared_ptr<Payslip> payslip);
-    void addAttendance(std::shared_ptr<Attendance> attendance);
-    void addLeave(std::shared_ptr<Leave> leave);
-    ~Employee() = default;
+    void setEmployeePayroll(Payroll* payroll);
+    void addPayslip(Payslip* payslip);
+    void addAttendance(Attendance* attendance);
+    void addLeave(Leave* leave);
+    Enums::EmployeeType getEmployeeType() const;
+    virtual std::string serialize() const;
+    static Employee* deserialize(const std::string&);
+    static std::string getHeaders();
+    virtual ~Employee() = default;
 };

Trenser.Zenvy/Trenser.Zenvy/models/FAQ.cpp

@@ -0,0 +1,7 @@
+/*
+ * File: Faq.h
+ * Description: Faq model class.
+ * Author: Trenser
+ * Created: 02-Apr-2026
+ */
+#include "Faq.h"

Trenser.Zenvy/Trenser.Zenvy/models/FAQ.h

@@ -0,0 +1,11 @@
+/*
+ * File: Faq.h
+ * Description: Faq model class.
+ * Author: Trenser
+ * Created: 02-Apr-2026
+ */
+#pragma once
+
+class Faq
+{
+};

Trenser.Zenvy/Trenser.Zenvy/models/FinanceExecutive.cpp

@@ -1 +1,7 @@
+/*
+ * File: FinanceExecutive.h
+ * Description: FinanceExecutive model class.
+ * Author: Trenser
+ * Created: 31-Mar-2026
+ */
 #include "FinanceExecutive.h"

Trenser.Zenvy/Trenser.Zenvy/models/FinanceExecutive.h

@@ -1,7 +1,38 @@
+/*
+ * File: FinanceExecutive.h
+ * Description: FinanceExecutive model class.
+ * Author: Trenser
+ * Created: 31-Mar-2026
+ */
 #pragma once
 #include "Employee.h"
 
 class FinanceExecutive : public Employee
 {
+public:
+	FinanceExecutive() = default;
+	FinanceExecutive(
+        const std::string& name,
+        const std::string& phone,
+        const std::string& email,
+        Payroll* payroll
+	) :Employee(name, phone, email, Enums::EmployeeType::FINANCE, payroll) {};
+  FinanceExecutive(const std::string& id,
+        const std::string& name,
+        const std::string& phone,
+        const std::string& password,
+        const std::string& email,
+        const std::string& teamId,
+        Enums::TeamStatus teamStatus,
+        Enums::AccountStatus accountStatus)
+        : Employee(id,
+            name,
+            phone,
+            password,
+            email,
+            teamId,
+            teamStatus,
+            Enums::EmployeeType::FINANCE,
+            accountStatus) {}
+    ~FinanceExecutive() = default;
 };
-

Trenser.Zenvy/Trenser.Zenvy/models/GeneralEmployee.cpp

@@ -1,11 +1,88 @@
+/*
+ * File: GeneralEmployee.h
+ * Description: The GeneralEmployee class represents a general employee with a specific designation.
+ * Author: Trenser
+ * Created: 31-Mar-2026
+ */
+#include <sstream>
 #include "GeneralEmployee.h"
+#include "Factory.h"
 
 Enums::EmployeeDesignation GeneralEmployee::getDesignation() const 
 {
     return m_designation;
 }
 
+std::string GeneralEmployee::getHeaders()
+{
+    return "EmployeeId,Email,Name,Phone,Password,TeamID,TeamStatus,AccountStatus,EmployeeType,EmployeeDesignation";
+}
+
 void GeneralEmployee::setDesignation(Enums::EmployeeDesignation designation)
 {
     m_designation = designation;
 }
+
+/*
+ * Function: serialize
+ * Description: Serializes the general employee's details, including designation, into a comma-separated string
+ * Parameters:
+      None
+ * Returns:
+      A string containing serialized general employee data in CSV format
+ */
+std::string GeneralEmployee::serialize() const
+{
+    std::ostringstream serializedEmployee;
+    serializedEmployee << m_id << ','
+        << m_email << ','
+        << m_name << ','
+        << m_phone << ','
+        << m_password << ','
+        << m_teamId << ','
+        << Enums::getTeamStatusString(m_teamStatus) << ','
+        << Enums::getAccountStatusString(m_accountStatus) << ','
+        << Enums::getEmployeeTypeString(m_employeeType) << ','
+        << Enums::getEmployeeDesignationString(m_designation);
+    return serializedEmployee.str();
+}
+
+/*
+ * Function: deserialize
+ * Description: Creates and returns a GeneralEmployee object from a serialized comma-separated record string
+ * Parameters:
+     record - A string containing serialized general employee data in CSV format
+ * Returns:
+     Pointer to a newly created GeneralEmployee object
+ */
+GeneralEmployee* GeneralEmployee::deserialize(const std::string& record)
+{
+    std::string id, name, phone, password, email;
+    std::string teamId, teamStatusString, accountStatusString, employeeTypeString, employeeDesignationString;
+    std::istringstream serializedEmployee(record);
+    getline(serializedEmployee, id, ',');
+    getline(serializedEmployee, email, ',');
+    getline(serializedEmployee, name, ',');
+    getline(serializedEmployee, phone, ',');
+    getline(serializedEmployee, password, ',');
+    getline(serializedEmployee, teamId, ',');
+    getline(serializedEmployee, teamStatusString, ',');
+    getline(serializedEmployee, accountStatusString, ',');
+    getline(serializedEmployee, employeeTypeString, ',');
+    getline(serializedEmployee, employeeDesignationString, ',');
+    Enums::TeamStatus teamStatus = Enums::getTeamStatus(teamStatusString);
+    Enums::AccountStatus accountStatus = Enums::getAccountStatus(accountStatusString);
+    Enums::EmployeeType employeeType = Enums::getEmployeeType(employeeTypeString);
+    Enums::EmployeeDesignation employeeDesignation = Enums::getEmployeeDesignation(employeeDesignationString);
+    return Factory::getObject<GeneralEmployee>(
+        id,
+        name,
+        phone,
+        password,
+        email,
+        teamId,
+        teamStatus,
+        employeeDesignation,
+        accountStatus
+    );
+}

Trenser.Zenvy/Trenser.Zenvy/models/GeneralEmployee.h

@@ -1,3 +1,9 @@
+/*
+ * File: GeneralEmployee.h
+ * Description: The GeneralEmployee class represents a general employee with a specific designation.
+ * Author: Trenser
+ * Created: 31-Mar-2026
+ */
 #pragma once
 #include "Employee.h"
 #include "Enums.h"
@@ -7,17 +13,42 @@ class GeneralEmployee : public Employee
 private:
     Enums::EmployeeDesignation m_designation;
 public:
-    GeneralEmployee() : m_designation(Enums::EmployeeDesignation::JUNIOR) {}
-    GeneralEmployee(const std::string& id,
-        const std::string& password,
-        const std::string& name,
+    GeneralEmployee()
+        : m_designation(Enums::EmployeeDesignation::JUNIOR) {}
+    GeneralEmployee(const std::string& name,
         const std::string& phone,
         const std::string& email,
-        const std::string& teamId,
-        std::shared_ptr<Payroll> payroll,
+        Payroll* payroll,
         Enums::EmployeeDesignation designation)
-        : Employee(id, password, name, phone, email, teamId, payroll), m_designation(designation) {}
+        : Employee(name,
+            phone,
+            email,
+            Enums::EmployeeType::GENERAL,
+            payroll),
+        m_designation(designation) {}
+    GeneralEmployee(const std::string& id,
+        const std::string& name,
+        const std::string& phone,
+        const std::string& password,
+        const std::string& email,
+        const std::string& teamId,
+        Enums::TeamStatus teamStatus,
+        Enums::EmployeeDesignation employeeDesignation,
+        Enums::AccountStatus accountStatus)
+        : Employee(id,
+            name,
+            phone,
+            password,
+            email,
+            teamId,
+            teamStatus,
+            Enums::EmployeeType::GENERAL,
+            accountStatus),
+        m_designation(employeeDesignation) {}
     Enums::EmployeeDesignation getDesignation() const;
     void setDesignation(Enums::EmployeeDesignation designation);
+    std::string serialize() const override;
+    static GeneralEmployee* deserialize(const std::string&);
+    static std::string getHeaders();
     ~GeneralEmployee() = default;
 };

Trenser.Zenvy/Trenser.Zenvy/models/HRManager.cpp

@@ -1 +1,7 @@
+/*
+ * File: HRManager.cpp
+ * Description: HRManager model class.
+ * Author: Trenser
+ * Created: 31-Mar-2026
+ */
 #include "HRManager.h"

Trenser.Zenvy/Trenser.Zenvy/models/HRManager.h

@@ -1,7 +1,38 @@
+/*
+ * File: HRManager.h
+ * Description: HRManager model class.
+ * Author: Trenser
+ * Created: 31-Mar-2026
+ */
 #pragma once
 #include "Employee.h"
 
 class HRManager : public Employee
 {
+public:
+    HRManager() = default;
+    HRManager(
+        const std::string& name,
+        const std::string& phone,
+        const std::string& email,
+        Payroll* payroll
+    ) :Employee(name, phone, email, Enums::EmployeeType::HR, payroll) {};
+    HRManager(const std::string& id,
+        const std::string& name,
+        const std::string& phone,
+        const std::string& password,
+        const std::string& email,
+        const std::string& teamId,
+        Enums::TeamStatus teamStatus,
+        Enums::AccountStatus accountStatus)
+        : Employee(id,
+            name,
+            phone,
+            password,
+            email,
+            teamId,
+            teamStatus,
+            Enums::EmployeeType::HR,
+            accountStatus) {}
+    ~HRManager() = default;
 };
-

Trenser.Zenvy/Trenser.Zenvy/models/ITExecutive.cpp

@@ -1 +1,7 @@
+/*
+ * File: ITExecutive.cpp
+ * Description: ITExecutive model class.
+ * Author: Trenser
+ * Created: 31-Mar-2026
+ */
 #include "ITExecutive.h"

Trenser.Zenvy/Trenser.Zenvy/models/ITExecutive.h

@@ -1,7 +1,38 @@
+/*
+ * File: ITExecutive.h
+ * Description: ITExecutive model class.
+ * Author: Trenser
+ * Created: 31-Mar-2026
+ */
 #pragma once
 #include "Employee.h"
 
 class ITExecutive : public Employee
 {
+public:
+    ITExecutive() = default;
+    ITExecutive(
+        const std::string& name,
+        const std::string& phone,
+        const std::string& email,
+        Payroll* payroll
+    ) :Employee(name, phone, email, Enums::EmployeeType::IT, payroll) {};
+    ITExecutive(const std::string& id,
+        const std::string& name,
+        const std::string& phone,
+        const std::string& password,
+        const std::string& email,
+        const std::string& teamId,
+        Enums::TeamStatus teamStatus,
+        Enums::AccountStatus accountStatus)
+        : Employee(id,
+            name,
+            phone,
+            password,
+            email,
+            teamId,
+            teamStatus,
+            Enums::EmployeeType::IT,
+            accountStatus) {}
+    ~ITExecutive() = default;
 };
-

Trenser.Zenvy/Trenser.Zenvy/models/JobListing.cpp

@@ -1,5 +1,13 @@
+/*
+File: JobListing.cpp
+* Description : Represents a job opening along with its details and applied candidates.
+* Author : Trenser
+* Created : 01-Apr-2026
+*/
 #include "JobListing.h"
 
+int JobListing::m_uid = 0;
+
 const std::string& JobListing::getJobId() const
 {
     return m_id;

Trenser.Zenvy/Trenser.Zenvy/models/JobListing.h

@@ -1,14 +1,20 @@
+/*
+File: JobListing.h
+* Description : Represents a job opening along with its details and applied candidates.
+* Author : Trenser
+* Created : 01-Apr-2026
+*/
 #pragma once
 #include <string>
 #include <map>
-#include <memory>
 #include "Candidate.h"
 #include "Enums.h"
-using candidateMap = std::map<std::string, std::shared_ptr<Candidate>>;
+using candidateMap = std::map<std::string, Candidate*>;
 
 class JobListing
 {
 private:
+    static int m_uid;
     std::string m_id;
     std::string m_name;
     std::string m_description;
@@ -16,14 +22,13 @@ private:
     int m_numberOfVacancies;
     candidateMap m_candidates;
 public:
-    JobListing() : m_id(""), m_name(""), m_description(""), m_status(Enums::JobListingStatus::CLOSED), m_numberOfVacancies(0) {}
-    JobListing(const std::string& id,
-        const std::string& name,
+    JobListing() : m_id("JL" + std::to_string(++m_uid)), m_name(""), m_description(""), m_status(Enums::JobListingStatus::CLOSED), m_numberOfVacancies(0) {}
+    JobListing(const std::string& name,
         const std::string& description,
         Enums::JobListingStatus status,
         int numberOfVacancies,
         const candidateMap& candidates)
-        : m_id(id), m_name(name), m_description(description), m_status(status), m_numberOfVacancies(numberOfVacancies), m_candidates(candidates) {}
+        : m_id("JL" + std::to_string(++m_uid)), m_name(name), m_description(description), m_status(status), m_numberOfVacancies(numberOfVacancies), m_candidates(candidates) {}
     const std::string& getJobId() const;
     const std::string& getJobName() const;
     const std::string& getJobDescription() const;

Trenser.Zenvy/Trenser.Zenvy/models/Leave.cpp

@@ -1,5 +1,13 @@
+/*
+File: Leave.cpp
+* Description : Stores information related to an employee’s leave application.
+* Author : Trenser
+* Created : 31-Mar-2026
+*/
 #include "Leave.h"
 
+int Leave::m_uid = 0;
+
 const std::string& Leave::getLeaveId() const
 {
     return m_id;
@@ -20,21 +28,6 @@ const std::string& Leave::getLeaveReason() const
     return m_reason;
 }
 
-int Leave::getNumberOfGeneralLeave()
-{
-    return m_numberOfGeneralLeave;
-}
-
-int Leave::getNumberOfRestrictedLeave()
-{
-    return m_numberOfRestrictedLeave;
-}
-
-int Leave::getNumberOfMedicalLeave()
-{
-    return m_numberOfMedicalLeave;
-}
-
 Enums::LeaveType Leave::getLeaveType() const
 {
     return m_leaveType;
@@ -60,28 +53,7 @@ void Leave::setLeaveReason(const std::string& reason)
     m_reason = reason;
 }
 
-void Leave::setNumberOfGeneralLeave(int value)
-{
-    m_numberOfGeneralLeave = value;
-}
-
-void Leave::setNumberOfRestrictedLeave(int value)
-{
-    m_numberOfRestrictedLeave = value;
-}
-
-void Leave::setNumberOfMedicalLeave(int value)
-{
-    m_numberOfMedicalLeave = value;
-}
-
 void Leave::setLeaveType(Enums::LeaveType type)
 {
     m_leaveType = type;
 }
-
-int Leave::m_numberOfGeneralLeave = 12;
-
-int Leave::m_numberOfRestrictedLeave = 2;
-
-int Leave::m_numberOfMedicalLeave = 6;

Trenser.Zenvy/Trenser.Zenvy/models/Leave.h

@@ -1,3 +1,9 @@
+/*
+File: Leave.h
+* Description : Stores information related to an employee’s leave application.
+* Author : Trenser
+* Created : 31-Mar-2026
+*/
 #pragma once
 #include <string>
 #include "Enums.h"
@@ -6,36 +12,27 @@
 class Leave
 {
 private:
+    static int m_uid;
     std::string m_id;
     std::string m_employeeId;
     util::Timestamp m_timestamp;
     std::string m_reason;
-    static int m_numberOfGeneralLeave;
-    static int m_numberOfRestrictedLeave;
-    static int m_numberOfMedicalLeave;
     Enums::LeaveType m_leaveType;
 public:
-    Leave() : m_id(""), m_employeeId(""), m_timestamp(), m_reason(""), m_leaveType(Enums::LeaveType::GENERAL) {}
-    Leave(const std::string& id,
-        const std::string& employeeId,
+    Leave() : m_id("LV" + std::to_string(++m_uid)), m_employeeId(""), m_timestamp(), m_reason(""), m_leaveType(Enums::LeaveType::GENERAL) {}
+    Leave(const std::string& employeeId,
         const util::Timestamp& timestamp,
         const std::string& reason,
         Enums::LeaveType leaveType)
-        : m_id(id), m_employeeId(employeeId), m_timestamp(timestamp), m_reason(reason), m_leaveType(leaveType) {}
+        : m_id("LV" + std::to_string(++m_uid)), m_employeeId(employeeId), m_timestamp(timestamp), m_reason(reason), m_leaveType(leaveType) {}
     const std::string& getLeaveId() const;
     const std::string& getEmployeeId() const;
     const util::Timestamp& getTimestamp() const;
     const std::string& getLeaveReason() const;
-    static int getNumberOfGeneralLeave();
-    static int getNumberOfRestrictedLeave();
-    static int getNumberOfMedicalLeave();
     Enums::LeaveType getLeaveType() const;
     void setLeaveId(const std::string& id);
     void setEmployeeId(const std::string& employeeId);
     void setTimestamp(const util::Timestamp& timestamp);
     void setLeaveReason(const std::string& reason);
-    void setNumberOfGeneralLeave(int value);
-    void setNumberOfRestrictedLeave(int value);
-    void setNumberOfMedicalLeave(int value);
     void setLeaveType(Enums::LeaveType type);
 };

Trenser.Zenvy/Trenser.Zenvy/models/Log.cpp

@@ -1,3 +1,9 @@
+/*
+File: Log.cpp
+* Description : Represents a log entry containing a timestamp and an associated message.
+* Author : Trenser
+* Created : 01-Apr-2026
+*/
 #include "Log.h"
 
 const util::Timestamp& Log::getTimestamp() const

Trenser.Zenvy/Trenser.Zenvy/models/Log.h

@@ -1,3 +1,9 @@
+/*
+File: Log.h
+* Description : Represents a log entry containing a timestamp and an associated message.
+* Author : Trenser
+* Created : 01-Apr-2026
+*/
 #pragma once
 #include <string>
 #include "Timestamp.h"
@@ -9,8 +15,8 @@ private:
     std::string m_message;
 public:
     Log() : m_timestamp(), m_message("") {}
-    Log(const util::Timestamp& timestamp, const std::string& message)
-        : m_timestamp(timestamp), m_message(message) {}
+    Log(const std::string& message)
+        : m_timestamp(), m_message(message) {}
     const util::Timestamp& getTimestamp() const;
     const std::string& getMessage() const;
     void setTimestamp(const util::Timestamp& timestamp);

Trenser.Zenvy/Trenser.Zenvy/models/Notification.cpp

@@ -1,5 +1,13 @@
+/*
+File: Notification.cpp
+* Description : Represents an employee notification with message and status details.
+* Author : Trenser
+* Created : 31-Mar-2026
+*/
 #include "Notification.h"
 
+int Notification::m_uid = 0;
+
 const std::string& Notification::getNotificationId() const
 {
     return m_id;

Trenser.Zenvy/Trenser.Zenvy/models/Notification.h

@@ -1,3 +1,9 @@
+/*
+File: Notification.h
+* Description : Represents an employee notification with message and status details.
+* Author : Trenser
+* Created : 31-Mar-2026
+*/
 #pragma once
 #include <string>
 #include "Enums.h"
@@ -6,18 +12,18 @@
 class Notification
 {
 private:
+    static int m_uid;
     std::string m_id;
     std::string m_employeeId;
     std::string m_message;
     util::Timestamp m_timestamp;
     Enums::NotificationStatus m_notificationStatus;
 public:
-    Notification() : m_id(""), m_employeeId(""), m_message(""), m_timestamp(), m_notificationStatus(Enums::NotificationStatus::UNREAD) {}
-    Notification(const std::string& id,
-        const std::string& employeeId,
+    Notification() : m_id("NF" + std::to_string(++m_uid)), m_employeeId(""), m_message(""), m_timestamp(), m_notificationStatus(Enums::NotificationStatus::UNREAD) {}
+    Notification(const std::string& employeeId,
         const std::string& message,
         Enums::NotificationStatus notificationStatus)
-        : m_id(id), m_employeeId(employeeId), m_message(message), m_notificationStatus(notificationStatus) {}
+        : m_id("NF" + std::to_string(++m_uid)), m_employeeId(employeeId), m_message(message), m_notificationStatus(notificationStatus) {}
     const std::string& getNotificationId() const;
     const std::string& getEmployeeId() const;
     const std::string& getNotificationMessage() const;

Trenser.Zenvy/Trenser.Zenvy/models/Payroll.cpp

@@ -1,10 +1,53 @@
+/*
+File: Payroll.cpp
+* Description : Stores payroll and salary breakdown details for an employee.
+* Author : Trenser
+* Created : 31-Mar-2026
+*/
+#include <sstream>
 #include "Payroll.h"
+#include "StringHelper.h"
+#include "Factory.h"
 
-const std::string& Payroll::getPayrollId() const
+int Payroll::m_uid = 0;
+
+Payroll::Payroll(const std::string& id,
+    const std::string& employeeId,
+    double basicSalary,
+    double houseRentAllowance,
+    double foodAllowance,
+    double employeePFContribution,
+    double employerPFContribution)
+    : m_id(id),
+    m_employeeId(employeeId),
+    m_basicSalary(basicSalary),
+    m_houseRentAllowance(houseRentAllowance),
+    m_foodAllowance(foodAllowance),
+    m_employeePFContribution(employeePFContribution),
+    m_employerPFContribution(employerPFContribution)
+{
+    int idNumber = util::extractNumber(m_id);
+    if (idNumber > m_uid)
+    {
+        m_uid = idNumber;
+    }
+}
+
+const std::string& Payroll::getId() const
 {
     return m_id;
 }
 
+const std::string& Payroll::getEmployeeId() const
+{
+    return m_employeeId;
+}
+
+void Payroll::setEmployeeId(const std::string& employeeId)
+{
+    m_employeeId = employeeId;
+}
+
 double Payroll::getBasicSalary() const
 {
     return m_basicSalary;
@@ -30,9 +73,14 @@ double Payroll::getEmployerPFContribution() const
     return m_employerPFContribution;
 }
 
-void Payroll::setPayrollID(const std::string& id)
+std::string Payroll::getHeaders()
 {
-    m_id = id;
+    return "PayrollId,EmployeeId,BasicSalary,HouseRentAllowance,FoodAllowance,EmployeePFContribution,EmployerPFContribution";
+}
+
+void Payroll::setBasicSalary(double basicSalary)
+{
+    m_basicSalary = basicSalary;
 }
 
 void Payroll::setHouseRentAllowance(double value)
@@ -54,3 +102,67 @@ void Payroll::setEmployerPFContribution(double value)
 {
     m_employerPFContribution = value;
 }
+
+/*
+Function: serialize
+Description: Converts the payroll object into a comma-separated string.
+Parameters:
+    None
+Returns:
+    A serialized string representation of the payroll.
+*/
+std::string Payroll::serialize() const
+{
+    std::ostringstream serializedPayroll;
+    serializedPayroll << m_id << ','
+        << m_employeeId << ','
+        << m_basicSalary << ','
+        << m_houseRentAllowance << ','
+        << m_foodAllowance << ','
+        << m_employeePFContribution << ','
+        << m_employerPFContribution;
+    return serializedPayroll.str();
+}
+
+/*
+Function: deserialize
+Description: Creates a Payroll object from a serialized comma-separated string.
+Parameters:
+    record - Serialized payroll data.
+Returns:
+    Pointer to a Payroll object.
+*/
+Payroll* Payroll::deserialize(const std::string& record)
+{
+    std::string id, employeeId;
+    std::string basicSalaryString, houseRentAllowanceString, foodAllowanceString, employeePFString, employerPFString;
+    std::istringstream serializedPayroll(record);
+    std::getline(serializedPayroll, id, ',');
+    std::getline(serializedPayroll, employeeId, ',');
+    std::getline(serializedPayroll, basicSalaryString, ',');
+    std::getline(serializedPayroll, houseRentAllowanceString, ',');
+    std::getline(serializedPayroll, foodAllowanceString, ',');
+    std::getline(serializedPayroll, employeePFString, ',');
+    std::getline(serializedPayroll, employerPFString, ',');
+    try
+    {
+        double basicSalary = std::stod(basicSalaryString);
+        double houseRentAllowance = std::stod(houseRentAllowanceString);
+        double foodAllowance = std::stod(foodAllowanceString);
+        double employeePFContribution = std::stod(employeePFString);
+        double employerPFContribution = std::stod(employerPFString);
+        return Factory::getObject<Payroll>(
+            id,
+            employeeId,
+            basicSalary,
+            houseRentAllowance,
+            foodAllowance,
+            employeePFContribution,
+            employerPFContribution
+        );
+    }
+    catch (...)
+	{
+        throw std::runtime_error("Failed to deserialize Payroll object");
+    }
+}

Trenser.Zenvy/Trenser.Zenvy/models/Payroll.h

@@ -1,33 +1,65 @@
+/*
+File: Payroll.h
+* Description : Stores payroll and salary breakdown details for an employee.
+* Author : Trenser
+* Created : 31-Mar-2026
+*/
 #pragma once
 #include <string>
+#include "Timestamp.h"
 
 class Payroll
 {
 private:
+    static int m_uid;
     std::string m_id;
+    std::string m_employeeId;
     double m_basicSalary;
     double m_houseRentAllowance;
     double m_foodAllowance;
     double m_employeePFContribution;
     double m_employerPFContribution;
+    util::Timestamp m_timestamp;
 public:
-    Payroll() : m_id(""), m_basicSalary(0.0), m_houseRentAllowance(0.0), m_foodAllowance(0.0), m_employeePFContribution(0.0), m_employerPFContribution(0.0) {}
-    Payroll(const std::string& id,
-        double basicSalary,
+    Payroll()
+        : m_id("PR" + std::to_string(++m_uid)),
+        m_basicSalary(0.0),
+        m_houseRentAllowance(0.0),
+        m_foodAllowance(0.0),
+        m_employeePFContribution(0.0),
+        m_employerPFContribution(0.0) {}
+    Payroll(double basicSalary,
         double houseRentAllowance,
         double foodAllowance,
         double employeePFContribution,
         double employerPFContribution)
-        : m_id(id), m_basicSalary(basicSalary), m_houseRentAllowance(houseRentAllowance), m_foodAllowance(foodAllowance), m_employeePFContribution(employeePFContribution), m_employerPFContribution(employerPFContribution) {}
-    const std::string& getPayrollId() const;
+        : m_id("PR" + std::to_string(++m_uid)),
+        m_basicSalary(basicSalary),
+        m_houseRentAllowance(houseRentAllowance),
+        m_foodAllowance(foodAllowance),
+        m_employeePFContribution(employeePFContribution),
+        m_employerPFContribution(employerPFContribution) {}
+    Payroll(const std::string& id,
+        const std::string& employeeId,
+        double basicSalary,
+        double houseRentAllowance,
+        double foodAllowance,
+        double employeePFContribution,
+        double employerPFContribution);
+    const std::string& getId() const;
+    const std::string& getEmployeeId() const;
+    void setEmployeeId(const std::string&);
     double getBasicSalary() const;
     double getHouseRentAllowance() const;
     double getFoodAllowance() const;
     double getEmployeePFContribution() const;
     double getEmployerPFContribution() const;
-    void setPayrollID(const std::string& id);
-    void setHouseRentAllowance(double value);
-    void setFoodAllowance(double value);
-    void setEmployeePFContribution(double value);
-    void setEmployerPFContribution(double value);
+    static std::string getHeaders();
+    void setBasicSalary(double);
+    void setHouseRentAllowance(double);
+    void setFoodAllowance(double);
+    void setEmployeePFContribution(double);
+    void setEmployerPFContribution(double);
+    std::string serialize() const;
+    static Payroll* deserialize(const std::string&);
 };

Trenser.Zenvy/Trenser.Zenvy/models/Payslip.cpp

@@ -1,6 +1,33 @@
+/*
+File: Payslip.cpp
+* Description : Models a payslip entity that stores salary information.
+* Author : Trenser
+* Created : 31-Mar-2026
+*/
+#include <sstream>
 #include "Payslip.h"
+#include "StringHelper.h"
+#include "Factory.h"
 
-const std::string& Payslip::getPayslipId() const
+int Payslip::m_uid = 0;
+
+Payslip::Payslip(const std::string& id,
+    const std::string& employeeId,
+    double salary,
+    util::Timestamp timestamp)
+    : m_id(id),
+    m_employeeId(employeeId),
+    m_salary(salary),
+    m_timestamp(timestamp)
+{
+    int idNumber = util::extractNumber(m_id);
+    if (idNumber > m_uid)
+    {
+        m_uid = idNumber;
+    }
+}
+
+const std::string& Payslip::getId() const
 {
     return m_id;
 }
@@ -19,3 +46,71 @@ void Payslip::setSalary(double salary)
 {
     m_salary = salary;
 }
+
+const util::Timestamp& Payslip::getTimestamp() const
+{
+    return m_timestamp;
+}
+
+const std::string& Payslip::getEmployeeId() const
+{
+    return m_employeeId;
+}
+
+std::string Payslip::getHeaders()
+{
+    return "PayslipId,EmployeeId,Salary,Timestamp";
+}
+
+/*
+Function: serialize
+Description: Converts the payslip object into a comma-separated string.
+Parameters:
+    None
+Returns:
+    A serialized string representation of the payslip.
+*/
+std::string Payslip::serialize() const
+{
+    std::ostringstream serializedPayslip;
+    serializedPayslip << m_id << ','
+        << m_employeeId << ','
+        << m_salary << ','
+        << m_timestamp.toString();
+    return serializedPayslip.str();
+}
+
+/*
+Function: deserialize
+Description: Creates a Payslip object from a serialized comma-separated string.
+Parameters:
+    record - Serialized payslip data.
+Returns:
+    Pointer to a Payslip object.
+*/
+Payslip* Payslip::deserialize(const std::string& record)
+{
+    std::string id, employeeId, timestampString;
+    std::string salaryString;
+    std::istringstream serializedPayslip(record);
+    std::getline(serializedPayslip, id, ',');
+    std::getline(serializedPayslip, employeeId, ',');
+    std::getline(serializedPayslip, salaryString, ',');
+    std::getline(serializedPayslip, timestampString, ',');
+
+    try
+    {
+        double salary = std::stod(salaryString);
+        util::Timestamp timestamp = util::Timestamp::fromString(timestampString);
+        return Factory::getObject<Payslip>(
+            id,
+            employeeId,
+            salary,
+            timestamp
+        );
+    }
+    catch (...)
+	{
+        throw std::runtime_error("Failed to deserialize Payslip object");
+    }
+}

Trenser.Zenvy/Trenser.Zenvy/models/Payslip.h

@@ -1,16 +1,35 @@
+/*
+File: Payslip.h
+* Description : Models a payslip entity that stores salary information.
+* Author : Trenser
+* Created : 31-Mar-2026
+*/
 #pragma once
 #include <string>
+#include "Timestamp.h"
 
 class Payslip
 {
 private:
+    static int m_uid;
     std::string m_id;
+    std::string m_employeeId;
     double m_salary;
+    util::Timestamp m_timestamp;
 public:
-    Payslip() : m_id(""), m_salary(0.0) {}
-    Payslip(const std::string& id, double salary) : m_id(id), m_salary(salary) {}
-    const std::string& getPayslipId() const;
+    Payslip() : m_id("PS" + std::to_string(++m_uid)), m_employeeId(""), m_salary(0.0) {}
+    Payslip(const double salary, const std::string& employeeId) : m_id("PS" + std::to_string(++m_uid)), m_employeeId(employeeId), m_salary(salary) {}
+    Payslip(const std::string& id,
+        const std::string& employeeId,
+        double salary,
+        util::Timestamp timestamp);
+    const std::string& getId() const;
     double getSalary() const;
+    static std::string getHeaders();
     void setPayslipId(const std::string& id);
     void setSalary(double salary);
+    const util::Timestamp& getTimestamp() const;
+    const std::string& getEmployeeId() const;
+    std::string serialize() const;
+    static Payslip* deserialize(const std::string&);
 };

Trenser.Zenvy/Trenser.Zenvy/models/Room.cpp

@@ -1,5 +1,13 @@
+/*
+File: Room.cpp
+* Description : Models a room entity that maintains room details and manages its bookings.
+* Author : Trenser
+* Created : 31-Mar-2026
+*/
 #include "Room.h"
 
+int Room::m_uid = 0;
+
 const std::string& Room::getRoomId() const
 {
     return m_id;
@@ -25,7 +33,15 @@ void Room::setRoomName(const std::string& name)
     m_name = name;
 }
 
-void Room::addBooking(std::shared_ptr<Booking> booking)
+/*
+Function: addBooking
+Description: Adds a valid booking to the room’s booking list using the booking ID as the key.
+Parameters: 
+    booking - A pointer to a Booking object to be added to the room.
+Returns:
+    void
+*/
+void Room::addBooking(Booking* booking)
 {
     if (booking)
     {

Trenser.Zenvy/Trenser.Zenvy/models/Room.h

@@ -1,23 +1,29 @@
+/*
+File: Room.h
+* Description : Models a room entity that maintains room details and manages its bookings.
+* Author : Trenser
+* Created : 31-Mar-2026
+*/
 #pragma once
 #include <string>
 #include <map>
-#include <memory>
 #include "Booking.h"
-using bookingMap = std::map<std::string, std::shared_ptr<Booking>>;
+using bookingMap = std::map<std::string, Booking*>;
 
 class Room
 {
 private:
+    static int m_uid;
     std::string m_id;
     std::string m_name;
     bookingMap m_bookings;
 public:
-    Room() : m_id(""), m_name("") {}
-    Room(const std::string& id, const std::string& name) : m_id(id), m_name(name) {}
+    Room() : m_id("RM" + std::to_string(++m_uid)), m_name("") {}
+    Room(const std::string& name) : m_id("RM" + std::to_string(++m_uid)), m_name(name) {}
     const std::string& getRoomId() const;
     const std::string& getRoomName() const;
     const bookingMap& getBookings() const;
     void setRoomId(const std::string& id);
     void setRoomName(const std::string& name);
-    void addBooking(std::shared_ptr<Booking> booking);
+    void addBooking(Booking* booking);
 };

Trenser.Zenvy/Trenser.Zenvy/models/TalentExecutive.cpp

@@ -1 +1,7 @@
+/*
+File: TalentExecutive.cpp
+* Description : Represents information related to a talent executive in the system.
+* Author : Trenser
+* Created : 31-Mar-2026
+*/
 #include "TalentExecutive.h"

Trenser.Zenvy/Trenser.Zenvy/models/TalentExecutive.h

@@ -1,7 +1,39 @@
+/*
+File: TalentExecutive.h
+* Description : Represents information related to a talent executive in the system.
+* Author : Trenser
+* Created : 31-Mar-2026
+*/
 #pragma once
 #include "Employee.h"
 
 class TalentExecutive : public Employee
 {
+public:
+    TalentExecutive() = default;
+    TalentExecutive(
+        const std::string& name,
+        const std::string& phone,
+        const std::string& email,
+        Payroll* payroll
+    ) :Employee(name, phone, email, Enums::EmployeeType::TALENT_ACQUISITION, payroll) {};
+    TalentExecutive(const std::string& id,
+        const std::string& name,
+        const std::string& phone,
+        const std::string& password,
+        const std::string& email,
+        const std::string& teamId,
+        Enums::TeamStatus teamStatus,
+        Enums::AccountStatus accountStatus)
+        : Employee(id,
+            name,
+            phone,
+            password,
+            email,
+            teamId,
+            teamStatus,
+            Enums::EmployeeType::TALENT_ACQUISITION,
+            accountStatus) {
+    }
+    ~TalentExecutive() = default;
 };
-

Trenser.Zenvy/Trenser.Zenvy/models/Team.cpp

@@ -1,5 +1,13 @@
+/*
+File: Team.cpp
+* Description : Models a team entity that maintains team identity, leadership, employee list, and size limitations.
+* Author : Trenser
+* Created : 31-Mar-2026
+*/
 #include "Team.h"
 
+int Team::m_uid = 0;
+
 const std::string& Team::getTeamId() const
 {
     return m_id;
@@ -10,7 +18,7 @@ const std::string& Team::getTeamName() const
     return m_name;
 }
 
-std::shared_ptr<Employee> Team::getTeamLead() const
+Employee* Team::getTeamLead() const
 {
     return m_lead;
 }
@@ -35,7 +43,7 @@ void Team::setTeamName(const std::string& name)
     m_name = name;
 }
 
-void Team::setTeamLead(std::shared_ptr<Employee> lead)
+void Team::setTeamLead(Employee* lead)
 {
     m_lead = lead;
 }

Trenser.Zenvy/Trenser.Zenvy/models/Team.h

@@ -1,34 +1,40 @@
+/*
+File: Team.h
+* Description : Models a team entity that maintains team identity, leadership, employee list, and size limitations.
+* Author : Trenser
+* Created : 31-Mar-2026
+*/
 #pragma once
 #include <string>
 #include <map>
-#include <memory>
 #include "Employee.h"
-using employeeMap = std::map<std::string, std::shared_ptr<Employee>>;
+using employeeMap = std::map<std::string, Employee*>;
 
 class Team
 {
 private:
+    static int m_uid;
     std::string m_id;
     std::string m_name;
-    std::shared_ptr<Employee> m_lead;
+    Employee* m_lead;
     employeeMap m_employees;
     int m_maximumNumberOfEmployees;
 public:
-    Team() : m_id(""), m_name(""), m_lead(nullptr), m_maximumNumberOfEmployees(0) {}
-    Team(const std::string& id,
+    Team() : m_id("TM" + std::to_string(++m_uid)), m_name(""), m_lead(nullptr), m_maximumNumberOfEmployees(0) {}
+    Team(
         const std::string& name,
-        std::shared_ptr<Employee> lead,
+        Employee* lead,
         int maximumNumberOfEmployees)
-        : m_id(id), m_name(name), m_lead(lead), m_maximumNumberOfEmployees(maximumNumberOfEmployees) {
+        : m_id("TM" + std::to_string(++m_uid)), m_name(name), m_lead(lead), m_maximumNumberOfEmployees(maximumNumberOfEmployees) {
     }
     const std::string& getTeamId() const;
     const std::string& getTeamName() const;
-    std::shared_ptr<Employee> getTeamLead() const;
+    Employee* getTeamLead() const;
     const employeeMap& getEmployeesInTeam() const;
     int getMaximumNumberOfEmployeesInTeam() const;
     void setTeamId(const std::string& id);
     void setTeamName(const std::string& name);
-    void setTeamLead(std::shared_ptr<Employee> lead);
+    void setTeamLead(Employee* lead);
     void setEmployeesInTeam(const employeeMap& employees);
     void setMaximumNumberOfEmployeesInTeam(int maximumNumberOfEmployees);
 };

Trenser.Zenvy/Trenser.Zenvy/models/TeamExecutive.cpp

@@ -1 +1,7 @@
+/*
+File: TeamExecutive.cpp
+* Description : Represents information related to a team executive within the system.
+* Author : Trenser
+* Created : 31-Mar-2026
+*/
 #include "TeamExecutive.h"

Trenser.Zenvy/Trenser.Zenvy/models/TeamExecutive.h

@@ -1,7 +1,38 @@
+/*
+File: TeamExecutive.h
+* Description : Represents information related to a team executive within the system.
+* Author : Trenser
+* Created : 31-Mar-2026
+*/
 #pragma once
 #include "Employee.h"
 
 class TeamExecutive : public Employee
 {
+public:
+    TeamExecutive() = default;
+    TeamExecutive(
+        const std::string& name,
+        const std::string& phone,
+        const std::string& email,
+        Payroll* payroll
+    ) :Employee(name, phone, email, Enums::EmployeeType::TEAM, payroll) {};
+    TeamExecutive(const std::string& id,
+        const std::string& name,
+        const std::string& phone,
+        const std::string& password,
+        const std::string& email,
+        const std::string& teamId,
+        Enums::TeamStatus teamStatus,
+        Enums::AccountStatus accountStatus)
+        : Employee(id,
+            name,
+            phone,
+            password,
+            email,
+            teamId,
+            teamStatus,
+            Enums::EmployeeType::TEAM,
+            accountStatus) {}
+    ~TeamExecutive() = default;
 };
-

Trenser.Zenvy/Trenser.Zenvy/models/Ticket.cpp

@@ -1,5 +1,13 @@
+/*
+File: Ticket.cpp
+* Description : Represents a support ticket with its associated details and status.
+* Author : Trenser
+* Created : 31-Mar-2026
+*/
 #include "Ticket.h"
 
+int Ticket::m_uid = 0;
+
 const std::string& Ticket::getTicketId() const
 {
     return m_id;

Trenser.Zenvy/Trenser.Zenvy/models/Ticket.h

@@ -1,3 +1,9 @@
+/*
+File: Ticket.h
+* Description : Represents a support ticket with its associated details and status.
+* Author : Trenser
+* Created : 31-Mar-2026
+*/
 #pragma once
 #include <string>
 #include "Enums.h"
@@ -5,19 +11,20 @@
 class Ticket
 {
 private:
+    static int m_uid;
     std::string m_id;
     Enums::TicketType m_type;
     std::string m_description;
     Enums::TicketStatus m_status;
     std::string m_employeeId;
 public:
-    Ticket() : m_id(""), m_type(Enums::TicketType::UNKNOWN), m_description(""), m_status(Enums::TicketStatus::OPEN), m_employeeId("") {}
-    Ticket(const std::string& id,
+    Ticket() : m_id("TKT" + std::to_string(++m_uid)), m_type(Enums::TicketType::UNKNOWN), m_description(""), m_status(Enums::TicketStatus::OPEN), m_employeeId("") {}
+    Ticket(
         Enums::TicketType type,
         const std::string& description,
         const std::string& employeeId,
         Enums::TicketStatus status)
-        : m_id(id), m_type(type), m_description(description), m_status(status), m_employeeId(employeeId) {}
+        : m_id("TKT" + std::to_string(++m_uid)), m_type(type), m_description(description), m_status(status), m_employeeId(employeeId) {}
     const std::string& getTicketId() const;
     Enums::TicketType getTicketType() const;
     const std::string& getDescription() const;

Trenser.Zenvy/Trenser.Zenvy/services/ApplicationConfig.cpp

@@ -0,0 +1,7 @@
+/*
+ * File: ApplicationConfig.cpp
+ * Description: Global Application Config
+ * Author: Trenser
+ * Created: 06-Apr-2026
+ */
+#include "ApplicationConfig.h"

Trenser.Zenvy/Trenser.Zenvy/services/ApplicationConfig.h

@@ -0,0 +1,47 @@
+/*
+ * File: ApplicationConfig.h
+ * Description: Global Application Config
+ * Author: Trenser
+ * Created: 06-Apr-2026
+ */
+#pragma once
+
+namespace Config
+{
+	namespace Authentication
+	{
+		constexpr const char* DEFAULT_PASSWORD = "password";
+	}
+
+	namespace Payroll
+	{
+		constexpr double SENIOR_BASIC_SALARY = 80000.0;
+		constexpr double SENIOR_HOUSE_RENT_ALLOWANCE = 32000.0;
+		constexpr double SENIOR_FOOD_ALLOWANCE = 3000.0;
+		constexpr double SENIOR_EMPLOYEE_PF_CONTRIBUTION = 9600.0;
+		constexpr double SENIOR_EMPLOYER_PF_CONTRIBUTION = 9600.0;
+		constexpr double JUNIOR_BASIC_SALARY = 25000.0;
+		constexpr double JUNIOR_HOUSE_RENT_ALLOWANCE = 10000.0;
+		constexpr double JUNIOR_FOOD_ALLOWANCE = 1500.0;
+		constexpr double JUNIOR_EMPLOYEE_PF_CONTRIBUTION = 3000.0;
+		constexpr double JUNIOR_EMPLOYER_PF_CONTRIBUTION = 3000.0;
+		constexpr double HR_MANAGER_BASIC_SALARY = 60000.0;
+		constexpr double HR_MANAGER_HOUSE_RENT_ALLOWANCE = 24000.0;
+		constexpr double HR_MANAGER_FOOD_ALLOWANCE = 2500.0;
+		constexpr double HR_MANAGER_EMPLOYEE_PF_CONTRIBUTION = 7200.0;
+		constexpr double HR_MANAGER_EMPLOYER_PF_CONTRIBUTION = 7200.0;
+		constexpr double EXECUTIVE_BASIC_SALARY = 45000.0;
+		constexpr double EXECUTIVE_HOUSE_RENT_ALLOWANCE = 18000.0;
+		constexpr double EXECUTIVE_FOOD_ALLOWANCE = 2000.0;
+		constexpr double EXECUTIVE_EMPLOYEE_PF_CONTRIBUTION = 5400.0;
+		constexpr double EXECUTIVE_EMPLOYER_PF_CONTRIBUTION = 5400.0;
+	}
+
+	namespace File
+	{
+		constexpr const char* EMPLOYEES_FILE = "files/Employee.csv";
+		constexpr const char* GENERAL_EMPLOYEES_FILE = "files/GeneralEmployee.csv";
+		constexpr const char* PAYROLL_FILE = "files/Payroll.csv";
+		constexpr const char* PAYSLIP_FILE = "files/Payslip.csv";
+	}
+}

Trenser.Zenvy/Trenser.Zenvy/services/AttendanceManagementService.cpp

@@ -1 +1,7 @@
+/*
+ * File: AttendanceManagementService.cpp
+ * Description: Handles Attendance related operations
+ * Author: Trenser
+ * Created: 30-Apr-2026
+ */
 #include "AttendanceManagementService.h"

Trenser.Zenvy/Trenser.Zenvy/services/AttendanceManagementService.h

@@ -1,3 +1,9 @@
+/*
+ * File: AttendanceManagementService.h
+ * Description: Handles Attendance related operations
+ * Author: Trenser
+ * Created: 30-Apr-2026
+ */
 #pragma once
 class AttendanceManagementService
 {

Trenser.Zenvy/Trenser.Zenvy/services/AuthenticationManagementService.cpp

@@ -1 +1,113 @@
+/*
+ * File: AuthenticationManagementService.cpp
+ * Description: Handles authentication related operations
+ * Author: Trenser
+ * Created: 30-Mar-2026
+ */
+#include <stdexcept>
 #include "AuthenticationManagementService.h"
+#include "ApplicationConfig.h"
+
+/*
+ * Function: login
+ * Description: Authenticates a user using email and password, determines login status,
+ *              employee type, and designation, and sets the authenticated employee
+ *              in the data store.
+ * Parameters:
+ *    email - employee email address
+ *    password - employee password
+ * Returns:
+ *    AuthenticationDTO containing login status, employee type, and employee designation
+ */
+AuthenticationDTO AuthenticationManagementService::login(const std::string& email, const std::string& password)
+{
+	employeeMap& employees = m_dataStore.getEmployees();
+	Enums::LoginStatus loginStatus = Enums::LoginStatus::USER_NOT_FOUND;
+	Enums::EmployeeType employeeType = Enums::EmployeeType::INVALID;
+	Enums::EmployeeDesignation employeeDesignation = Enums::EmployeeDesignation::INVALID;
+	for (const auto& employee : employees)
+	{
+		if (employee.second->getEmployeeEmail() == email)
+		{
+			if (employee.second->getEmployeePassword() == password)
+			{
+				if (employee.second->getEmployeeAccountStatus() == Enums::AccountStatus::INACTIVE)
+				{
+					throw std::runtime_error("Your account has been disabled! Please contact your Administrator.");
+				}
+				if (password == Config::Authentication::DEFAULT_PASSWORD)
+				{
+					loginStatus = Enums::LoginStatus::FIRST_LOGIN;
+				}
+				else
+				{
+					loginStatus = Enums::LoginStatus::SUCCESS;
+				}
+				employeeType = employee.second->getEmployeeType();
+				if (employeeType == Enums::EmployeeType::GENERAL)
+				{
+                    GeneralEmployee* generalEmployee = dynamic_cast<GeneralEmployee*>(employee.second);
+					if (generalEmployee)
+					{
+						employeeDesignation = generalEmployee->getDesignation();
+					}
+					else
+					{
+						throw std::runtime_error("Invalid Employee Type");
+					}
+				}
+				m_dataStore.setAuthenticatedEmployee(employee.second);
+			}
+			else
+			{
+				loginStatus = Enums::LoginStatus::INVALID_PASSWORD;
+			}
+			break;
+		}
+	}
+	return std::make_tuple(loginStatus, employeeType, employeeDesignation);
+}
+
+/*
+ * Function: changePassword
+ * Description: Updates the password of the currently authenticated user.
+ * Parameters:
+ *    password - new password to be set
+ * Returns:
+ *    None
+ * Throws:
+ *    runtime_error if no authenticated user is found
+ */
+void AuthenticationManagementService::changePassword(const std::string& password)
+{
+    Employee* authenticatedUser = m_dataStore.getAuthenticatedEmployee();
+    if (authenticatedUser)
+    {
+        authenticatedUser->setEmployeePassword(password);
+    }
+    else
+    {
+        throw std::runtime_error("User not found");
+    }
+}
+
+/*
+ * Function: logout
+ * Description: Logs out the currently authenticated user by clearing authentication data.
+ * Parameters:
+ *    None
+ * Returns:
+ *    None
+ * Throws:
+ *    runtime_error if no user is currently logged in
+ */
+void AuthenticationManagementService::logout() {
+	if (m_dataStore.getAuthenticatedEmployee()) 
+    {
+		m_dataStore.getAuthenticatedEmployee() = nullptr;
+	}
+	else 
+    {
+		throw std::runtime_error("No user currently logged In...");
+	}
+}

Trenser.Zenvy/Trenser.Zenvy/services/AuthenticationManagementService.h

@@ -1,5 +1,27 @@
+/*
+ * File: AuthenticationManagementService.h
+ * Description: Handles authentication related operations
+ * Author: Trenser
+ * Created: 30-Mar-2026
+ */
 #pragma once
+#include <string>
+#include <map>
+#include <tuple>
+#include <utility>
+#include <stdexcept>
+#include "DataStore.h"
+#include "Enums.h"
+
+using AuthenticationDTO = std::tuple<Enums::LoginStatus, Enums::EmployeeType, Enums::EmployeeDesignation>;
+
 class AuthenticationManagementService
 {
+private:
+	DataStore& m_dataStore;
+public:
+	AuthenticationManagementService() : m_dataStore(DataStore::getInstance()) {};
+	AuthenticationDTO login(const std::string& username, const std::string& password);
+	void logout();
+	void changePassword(const std::string&);
 };
-

Trenser.Zenvy/Trenser.Zenvy/services/BookingManagementService.cpp

@@ -1 +1,7 @@
+/*
+ * File: BookingManagementService.cpp
+ * Description: Handle operations related to booking meetings
+ * Author: Trenser
+ * Created: 30-Mar-2026
+ */
 #include "BookingManagementService.h"

Trenser.Zenvy/Trenser.Zenvy/services/BookingManagementService.h

@@ -1,3 +1,9 @@
+/*
+ * File: BookingManagementService.h
+ * Description: Handle operations related to booking meetings
+ * Author: Trenser
+ * Created: 30-Mar-2026
+ */
 #pragma once
 class BookingManagementService
 {

Trenser.Zenvy/Trenser.Zenvy/services/EmployeeManagememtService.cpp

@@ -1 +0,0 @@
-#include "EmployeeManagememtService.h"

Trenser.Zenvy/Trenser.Zenvy/services/EmployeeManagememtService.h

@@ -1,5 +0,0 @@
-#pragma once
-class EmployeeManagememtService
-{
-};
-

Trenser.Zenvy/Trenser.Zenvy/services/EmployeeManagementService.cpp

@@ -0,0 +1,341 @@
+/*
+ * File: EmployeeManagementService.h
+ * Description: Provides services for managing employees, including creation, deactivation,
+ *              designation updates, profile modifications, searching, and retrieval of
+ *              shortlisted candidates.
+ * Author: Trenser
+ * Created: 07-Apr-2026
+ */
+#include <map>
+#include <algorithm>
+#include <stdexcept>
+#include "EmployeeManagementService.h"
+#include "Factory.h"
+#include "Validator.h"
+#include "AuthorizationHelper.h"
+#include "Enums.h"
+#include "HRManager.h"
+#include "ITExecutive.h"
+#include "TalentExecutive.h"
+#include "TeamExecutive.h"
+#include "FinanceExecutive.h"
+#include "GeneralEmployee.h"
+#include "FileManager.h"
+#include "ApplicationConfig.h"
+
+ /*
+  * Function: createEmployee
+  * Description: Creates a new employee of the specified type and designation, validates
+  *              email and phone, enforces authorization, and associates payroll.
+  * Parameters:
+  *    employeeType - type of employee (HR, IT, Finance, Team, Talent Acquisition, General)
+  *    employeeDesignation - designation for general employees (Junior, Senior)
+  *    email - employee email address
+  *    name - employee name
+  *    phone - employee phone number
+  * Returns:
+  *    None
+  */
+void EmployeeManagementService::createEmployee(Enums::EmployeeType employeeType, Enums::EmployeeDesignation employeeDesignation, const std::string& email, const std::string& name, const std::string& phone)
+{
+	auto& employees = m_dataStore.getEmployees();
+	Employee* authenticatedEmployee = m_dataStore.getAuthenticatedEmployee();
+	if (!authenticatedEmployee)
+	{
+		throw std::runtime_error("No authenticated user");
+	}
+	Enums::EmployeeType authenticatedEmployeeType = authenticatedEmployee->getEmployeeType();
+	Employee* employee = nullptr;
+	Payroll* payroll = nullptr;
+	if (employeeType != Enums::EmployeeType::GENERAL && util::hasActiveEmployeeOfType(employeeType, employees))
+	{
+		throw std::runtime_error("Cannot create more than one employee of type " + Enums::getEmployeeTypeString(employeeType));
+	}
+	if (!util::isEmailValid(email))
+	{
+		throw std::runtime_error("Invalid Email");
+	}
+	if (!util::isPhoneNumberValid(phone))
+	{
+		throw std::runtime_error("Invalid Phone");
+	}
+	if (util::isEmailDuplicate(email, employees))
+	{
+		throw std::runtime_error("Duplicate Email");
+	}
+	if (util::isPhoneDuplicate(phone, employees))
+	{
+		throw std::runtime_error("Duplicate Phone Number!");
+	}
+	switch (employeeType)
+	{
+	case Enums::EmployeeType::HR:
+		util::enforceAuthorization(authenticatedEmployeeType, Enums::EmployeeType::ADMIN);
+		payroll = Factory::getObject<Payroll>(Config::Payroll::HR_MANAGER_BASIC_SALARY,
+			Config::Payroll::HR_MANAGER_HOUSE_RENT_ALLOWANCE,
+			Config::Payroll::HR_MANAGER_FOOD_ALLOWANCE,
+			Config::Payroll::HR_MANAGER_EMPLOYEE_PF_CONTRIBUTION,
+			Config::Payroll::HR_MANAGER_EMPLOYER_PF_CONTRIBUTION);
+		employee = Factory::getObject<HRManager>(name, phone, email, payroll);
+		break;
+	case Enums::EmployeeType::IT:
+	case Enums::EmployeeType::FINANCE:
+	case Enums::EmployeeType::TEAM:
+	case Enums::EmployeeType::TALENT_ACQUISITION:
+		util::enforceAuthorization(authenticatedEmployeeType, Enums::EmployeeType::ADMIN, Enums::EmployeeType::HR);
+		payroll = Factory::getObject<Payroll>(Config::Payroll::EXECUTIVE_BASIC_SALARY,
+			Config::Payroll::EXECUTIVE_HOUSE_RENT_ALLOWANCE,
+			Config::Payroll::EXECUTIVE_FOOD_ALLOWANCE,
+			Config::Payroll::EXECUTIVE_EMPLOYEE_PF_CONTRIBUTION,
+			Config::Payroll::EXECUTIVE_EMPLOYER_PF_CONTRIBUTION);
+		switch (employeeType)
+		{
+		case Enums::EmployeeType::IT:
+			employee = Factory::getObject<ITExecutive>(name, phone, email, payroll);
+			break;
+		case Enums::EmployeeType::FINANCE:
+			employee = Factory::getObject<FinanceExecutive>(name, phone, email, payroll);
+			break;
+		case Enums::EmployeeType::TEAM:
+			employee = Factory::getObject<TeamExecutive>(name, phone, email, payroll);
+			break;
+		case Enums::EmployeeType::TALENT_ACQUISITION:
+			employee = Factory::getObject <TalentExecutive> (name, phone, email, payroll);
+			break;
+		}
+		break;
+	case Enums::EmployeeType::GENERAL:
+		util::enforceAuthorization(authenticatedEmployeeType, Enums::EmployeeType::ADMIN, Enums::EmployeeType::HR);
+		switch (employeeDesignation)
+		{
+		case Enums::EmployeeDesignation::JUNIOR:
+			payroll = Factory::getObject<Payroll>(Config::Payroll::JUNIOR_BASIC_SALARY,
+				Config::Payroll::JUNIOR_HOUSE_RENT_ALLOWANCE,
+				Config::Payroll::JUNIOR_FOOD_ALLOWANCE,
+				Config::Payroll::JUNIOR_EMPLOYEE_PF_CONTRIBUTION,
+				Config::Payroll::JUNIOR_EMPLOYER_PF_CONTRIBUTION);
+			break;
+		case Enums::EmployeeDesignation::SENIOR:
+			payroll = Factory::getObject<Payroll>(Config::Payroll::SENIOR_BASIC_SALARY,
+				Config::Payroll::SENIOR_HOUSE_RENT_ALLOWANCE,
+				Config::Payroll::SENIOR_FOOD_ALLOWANCE,
+				Config::Payroll::SENIOR_EMPLOYEE_PF_CONTRIBUTION,
+				Config::Payroll::SENIOR_EMPLOYER_PF_CONTRIBUTION);
+			break;
+		default:
+			throw std::runtime_error("Invalid General Employee Designation");
+		}
+		employee = Factory::getObject<GeneralEmployee>(name, phone, email, payroll, employeeDesignation);
+		break;
+	default:
+		throw std::runtime_error("Invalid Employee Type");
+	}
+	payroll->setEmployeeId(employee->getId());
+	m_dataStore.getPayrolls().emplace(std::make_pair(payroll->getId(), payroll));
+	m_dataStore.getEmployees().emplace(std::make_pair(employee->getId(), employee));
+}
+
+/*
+ * Function: deactivateEmployee
+ * Description: Deactivates an employee account by setting its status to INACTIVE.
+ *              Prevents deactivation of Admin accounts.
+ * Parameters:
+ *    id - unique identifier of the employee
+ * Returns:
+ *    bool - true if deactivation succeeded, false otherwise
+ */
+bool EmployeeManagementService::deactivateEmployee(const std::string& id)
+{
+	auto& authenticatedEmployee = m_dataStore.getAuthenticatedEmployee();
+	util::enforceAuthorization(authenticatedEmployee->getEmployeeType(), Enums::EmployeeType::ADMIN, Enums::EmployeeType::HR);
+	auto& employee = m_dataStore.getEmployees();
+	auto iterator = employee.find(id);
+	if (iterator == employee.end())
+	{
+		return false;
+	}
+	if (iterator->second->getEmployeeType() == Enums::EmployeeType::ADMIN)
+	{
+		throw std::runtime_error("Cannot deactivate Admin Account");
+	}
+	iterator->second->setEmployeeAccountStatus(Enums::AccountStatus::INACTIVE);
+	return true;
+}
+
+ /*
+ * Function: updateDesignation
+ * Description: Updates the designation of a general employee.
+ * Parameters:
+ *    id - unique identifier of the employee
+ *    designation - new designation to assign
+ * Returns:
+ *    bool - true if update succeeded, false otherwise
+ */
+bool EmployeeManagementService::updateDesignation(const std::string& id, Enums::EmployeeDesignation designation)
+{
+	auto& authenticatedEmployee = m_dataStore.getAuthenticatedEmployee();
+	util::enforceAuthorization(authenticatedEmployee->getEmployeeType(), Enums::EmployeeType::ADMIN, Enums::EmployeeType::HR);
+	std::map<std::string, Employee*> employees = m_dataStore.getEmployees();
+	auto employeeIterator = employees.find(id);
+	if (employeeIterator == employees.end())
+	{
+		return false;
+	}
+	auto generalEmployee = dynamic_cast<GeneralEmployee*>((*employeeIterator).second);
+	if (generalEmployee)
+	{
+		generalEmployee->setDesignation(designation);
+	}
+	return true;
+}
+
+/*
+ * Function: getCurrentEmployee
+ * Description: Retrieves the currently authenticated employee from the DataStore.
+ * Parameters:
+ *    None
+ * Returns:
+ *    const Employee* - pointer to the current employee
+ */
+const Employee* EmployeeManagementService::getCurrentEmployee()
+{
+	return m_dataStore.getAuthenticatedEmployee();
+}
+
+/*
+ * Function: updateProfile
+ * Description: Updates the name and phone number of the currently authenticated employee.
+ * Parameters:
+ *    name - new employee name
+ *    phone - new employee phone number
+ * Returns:
+ *    None
+ */
+void EmployeeManagementService::updateProfile(const std::string& name,const std::string& phone)
+{
+	Employee* employee = m_dataStore.getAuthenticatedEmployee();
+	employee->setEmployeeName(name);
+	employee->setEmployeePhone(phone);
+}
+
+/*
+ * Function: searchEmployee
+ * Description: Searches employees by name and returns matches along
+ *              with the type of the current authenticated employee.
+ * Parameters:
+ *    name - search string for employee name
+ * Returns:
+ *    pair<Enums::EmployeeType, vector<const Employee*>> - current user type and matching employees
+ */
+std::pair<Enums::EmployeeType, std::vector<const Employee*>> EmployeeManagementService::searchEmployee(const std::string& name)
+{
+    Employee* currentUser = m_dataStore.getAuthenticatedEmployee();
+    Enums::EmployeeType employeeType = currentUser->getEmployeeType();
+	employeeMap& employees = m_dataStore.getEmployees();
+	std::vector<const Employee*> employeeList;
+    if (employees.empty()) 
+    {
+        return std::make_pair(employeeType, employeeList);
+    }
+    for (const auto& employeePair : employees) {
+        const auto& employee = employeePair.second;
+        if (!employee)
+        {
+            continue;
+        }
+        std::string employeeName = employee->getEmployeeName();
+        std::transform(employeeName.begin(), employeeName.end(), employeeName.begin(), ::tolower);
+        std::string searchName = name;
+        std::transform(searchName.begin(), searchName.end(), searchName.begin(), ::tolower);
+        if (employeeName.find(searchName) != std::string::npos)
+        {
+            employeeList.push_back(employee);
+        }
+    }
+    return { employeeType, employeeList };
+}
+
+/*
+ * Function: getShorlistedCandidates
+ * Description: Retrieves candidates with status SHORTLISTED from the DataStore.
+ * Parameters:
+ *    None
+ * Returns:
+ *    vector<Candidate*> - list of shortlisted candidates
+ */
+std::vector<Candidate*> EmployeeManagementService::getShorlistedCandidates()
+{
+	candidateMap candidates = m_dataStore.getCandidates();
+	std::vector<Candidate*> shortlistedCandidates;
+	for (auto& candidate : candidates)
+	{
+		if (candidate.second->getCandidateStatus() == Enums::CandidateStatus::SHORTLISTED)
+		{
+			shortlistedCandidates.push_back(candidate.second);
+		}
+	}
+	return shortlistedCandidates;
+}
+
+/*
+ * Function: loadEmployees
+ * Description: Loads employees and general employees from FileManager into the DataStore.
+ * Parameters:
+ *    None
+ * Returns:
+ *    None
+ */
+void EmployeeManagementService::loadEmployees()
+{
+	FileManager<Employee> employeeFileManager(Config::File::EMPLOYEES_FILE);
+	FileManager<GeneralEmployee> generalEmployeeFileManager(Config::File::GENERAL_EMPLOYEES_FILE);
+	bool isAdminFound = false;
+	auto& employees = m_dataStore.getEmployees();
+	auto employeesMap = employeeFileManager.load();
+	auto generalEmployeesMap = generalEmployeeFileManager.load();
+	employees.insert(employeesMap.begin(), employeesMap.end());
+	employees.insert(generalEmployeesMap.begin(), generalEmployeesMap.end());
+	for (auto& employeePair : employees)
+	{
+		if (employeePair.second->getEmployeeType() == Enums::EmployeeType::ADMIN)
+		{
+			isAdminFound = true;
+			break;
+		}
+	}
+	if (!isAdminFound)
+	{
+		auto admin = Factory::getObject<Admin>("Admin", "", "admin@trenser.com", nullptr);
+		employees.emplace(std::make_pair(admin->getId(), admin));
+	}
+}
+
+/*
+ * Function: saveEmployees
+ * Description: Saves employees and general employees from the DataStore into FileManager.
+ * Parameters:
+ *    None
+ * Returns:
+ *    None
+ */
+void EmployeeManagementService::saveEmployees()
+{
+	FileManager<Employee> employeeFileManager(Config::File::EMPLOYEES_FILE);
+	FileManager<GeneralEmployee> generalEmployeeFileManager(Config::File::GENERAL_EMPLOYEES_FILE);
+	const auto& allEmployees = m_dataStore.getEmployees();
+	employeeMap employees;
+	std::map<std::string, GeneralEmployee*> generalEmployees;
+	for (auto& employeePair : allEmployees)
+	{
+		if (employeePair.second->getEmployeeType() == Enums::EmployeeType::GENERAL)
+		{
+			generalEmployees.emplace(employeePair.first, static_cast<GeneralEmployee*>(employeePair.second));
+		}
+		else
+		{
+			employees.emplace(employeePair);
+		}
+	}
+	employeeFileManager.save(employees);
+	generalEmployeeFileManager.save(generalEmployees);
+}

Trenser.Zenvy/Trenser.Zenvy/services/EmployeeManagementService.h

@@ -0,0 +1,81 @@
+/*
+ * File: EmployeeManagementService.h
+ * Description: Provides services for managing employees, including creation, deactivation,
+ *              designation updates, profile modifications, searching, and retrieval of
+ *              shortlisted candidates.
+ * Author: Trenser
+ * Created: 07-Apr-2026
+ */
+#pragma once
+#include <vector>
+#include <tuple>
+#include <algorithm>
+#include <utility>
+#include "DataStore.h"
+#include "Enums.h"
+#include "StringHelper.h"
+
+using Employees = std::vector<const Employee*>;
+
+class EmployeeManagementService
+{
+private:
+    DataStore& m_dataStore;
+public:
+    EmployeeManagementService() : m_dataStore(DataStore::getInstance()) {};
+    void createEmployee(Enums::EmployeeType, Enums::EmployeeDesignation, const std::string&, const std::string&, const std::string&);
+    bool deactivateEmployee(const std::string&);
+    bool updateDesignation(const std::string&, Enums::EmployeeDesignation);
+    void updateProfile(const std::string&, const std::string&);
+    std::pair<Enums::EmployeeType, std::vector<const Employee*>> searchEmployee(const std::string&);
+    const Employee* getCurrentEmployee();
+    std::vector<Candidate*> getShorlistedCandidates();
+    void loadEmployees();
+    void saveEmployees();
+
+     /*
+     * Function: getEmployees (template)
+     * Description: Retrieves active employees filtered by specified types. Excludes admin employees
+     *              if no filter is provided.
+     * Parameters:
+     *    types... - variadic list of employee types
+     * Returns:
+     *    Employees - vector of pointers to filtered employees
+     */
+    template<typename... Types>
+    Employees getEmployees(Types... types)
+    {
+        Employees filteredEmployees;
+        const auto& employees = m_dataStore.getEmployees();
+        std::vector<Enums::EmployeeType> filterTypes = { types... };
+        for (const auto& employeePair : employees)
+        {
+            const auto& employee = employeePair.second;
+            if (employee->getEmployeeAccountStatus() != Enums::AccountStatus::ACTIVE)
+                continue;
+            auto employeeType = employee->getEmployeeType();
+            if (filterTypes.empty())
+            {
+                if (employeeType == Enums::EmployeeType::ADMIN)
+                    continue;
+            }
+            else
+            {
+                if (std::find(filterTypes.begin(), filterTypes.end(), employeeType) == filterTypes.end())
+                    continue;
+            }
+            filteredEmployees.push_back(employee);
+        }
+        std::sort(
+            filteredEmployees.begin(),
+            filteredEmployees.end(),
+            [](const Employee* employeeOne,
+                const Employee* employeeTwo)
+            {
+                return util::extractNumber(employeeOne->getId()) <
+                    util::extractNumber(employeeTwo->getId());
+            }
+        );
+        return filteredEmployees;
+    }
+};

Trenser.Zenvy/Trenser.Zenvy/services/LeaveManagementService.cpp

@@ -1 +1,7 @@
+/*
+ * File: LeaveManagementService.cpp
+ * Description: Handle operations related to leaves
+ * Author: Trenser
+ * Created: 30-Mar-2026
+ */
 #include "LeaveManagementService.h"

Trenser.Zenvy/Trenser.Zenvy/services/LeaveManagementService.h

@@ -1,3 +1,9 @@
+/*
+ * File: LeaveManagementService.h
+ * Description: Handle operations related to leaves
+ * Author: Trenser
+ * Created: 30-Mar-2026
+ */
 #pragma once
 class LeaveManagementService
 {

Trenser.Zenvy/Trenser.Zenvy/services/LogService.cpp

@@ -1 +1,27 @@
+/*
+ * File: Log.cpp
+ * Description: Handle operations related to logging
+ * Author: Trenser
+ * Created: 01-Apr-2026
+ */
 #include "LogService.h"
+#include "Log.h"
+#include "Factory.h"
+#include "DataStore.h"
+
+  /*
+  * Function: log
+  * Description: Creates a new log entry with the given message, assigns a timestamp,
+  *              and stores it in the DataStore.
+  * Parameters:
+  *    message - string containing the log message to be recorded
+  * Returns:
+  *    void - no return value
+  */
+void LogService::log(const std::string& message)
+{
+	DataStore& dataStore = DataStore::getInstance();
+	logMap& logs = dataStore.getLogs();
+	Log* log = Factory::getObject<Log>(message);
+	logs.emplace(std::make_pair(log->getTimestamp(), log));
+}

Trenser.Zenvy/Trenser.Zenvy/services/LogService.h

@@ -1,5 +1,14 @@
+/*
+ * File: Log.h
+ * Description: Handle operations related to logging
+ * Author: Trenser
+ * Created: 01-Apr-2026
+ */
 #pragma once
+#include "Log.h"
 
 class LogService
 {
+public:
+	static void log(const std::string&);
 };

Trenser.Zenvy/Trenser.Zenvy/services/NotificationManagementService.cpp

@@ -1 +1,7 @@
+/*
+ * File: NotificationManagementService.cpp
+ * Description: Handle operations related to notifications
+ * Author: Trenser
+ * Created: 30-Mar-2026
+ */
 #include "NotificationManagementService.h"

Trenser.Zenvy/Trenser.Zenvy/services/NotificationManagementService.h

@@ -1,5 +1,10 @@
+/*
+ * File: NotificationManagementService.h
+ * Description: Handle operations related to notifications
+ * Author: Trenser
+ * Created: 30-Mar-2026
+ */
 #pragma once
 class NotificationManagementService
 {
 };
-

Trenser.Zenvy/Trenser.Zenvy/services/PayslipManagementService.cpp

@@ -1 +1,209 @@
+/*
+ * File: PayslipManagementService.cpp
+ * Description: Handle operations related to employee payslips
+ * Author: Trenser
+ * Created: 30-Mar-2026
+ */
+#include <stdexcept>
+#include <algorithm>
 #include "PayslipManagementService.h"
+#include "ApplicationConfig.h"
+#include "AuthorizationHelper.h"
+#include "Enums.h"
+#include "FileManager.h"
+#include "Factory.h"
+
+  /*
+  * Function: updateSalary
+  * Description: Updates the payroll details of a given employee, including salary components
+  *              and PF contributions.
+  * Parameters:
+  *    employeeId - unique identifier of the employee
+  *    basicSalary - basic salary of the employee
+  *    houseRentAllowance - HRA component
+  *    foodAllowance - food allowance component
+  *    employeePFContribution - employee PF contribution
+  *    employerPFContribution - employer PF contribution
+  * Returns:
+  *    void - throws runtime_error if employee not found or unauthorized
+  */
+void PayslipManagementService::updateSalary(const std::string& employeeId, double basicSalary, double houseRentAllowance, double foodAllowance, double employeePFContribution, double employerPFContribution)
+{
+	util::enforceAuthorization(m_dataStore.getAuthenticatedEmployee()->getEmployeeType(), Enums::EmployeeType::FINANCE);
+	auto employee = m_dataStore.getEmployees().find(employeeId);
+	if (employee != m_dataStore.getEmployees().end() && employee->second->getEmployeeType() != Enums::EmployeeType::ADMIN)
+	{
+		auto payroll = employee->second->getPayroll();
+		payroll->setBasicSalary(basicSalary);
+		payroll->setHouseRentAllowance(houseRentAllowance);
+		payroll->setFoodAllowance(foodAllowance);
+		payroll->setEmployeePFContribution(employeePFContribution);
+		payroll->setEmployerPFContribution(employerPFContribution);
+	}
+	else
+	{
+		throw std::runtime_error("Employee not found, unable to update the salary");
+	}
+}
+
+ /*
+ * Function: generatePayslips
+ * Description: Generates payslips for all employees for the current month and year.
+ * Parameters:
+ *    None
+ * Returns:
+ *    void - creates and stores payslips in DataStore
+ */
+void PayslipManagementService::generatePayslips()
+{
+	util::enforceAuthorization(m_dataStore.getAuthenticatedEmployee()->getEmployeeType(), Enums::EmployeeType::FINANCE);
+	auto& employees = m_dataStore.getEmployees();
+	auto& payslips = m_dataStore.getPayslips();
+	util::Timestamp	currentTimestamp;
+	int currentMonth = currentTimestamp.getMonth();
+	int currentYear = currentTimestamp.getYear();
+	for (const auto& employeePair : employees)
+	{
+		auto& employee = employeePair.second;
+		if (employee->getEmployeeType() == Enums::EmployeeType::ADMIN)
+		{
+			continue;
+		}
+		auto& employeePayslips = employee->getEmployeePayslips();
+		auto payslipForTheMonth = std::find_if(employeePayslips.begin(), employeePayslips.end(),
+			[currentMonth, currentYear](const auto& payslipPair)
+			{
+				auto& payslip = payslipPair.second;
+				auto& timestamp = payslip->getTimestamp();
+				return (timestamp.getMonth() == currentMonth && timestamp.getYear() == currentYear);
+			}
+		);
+		if (payslipForTheMonth == employeePayslips.end())
+		{
+			auto payroll = employee->getPayroll();
+			double salary;
+			salary = payroll->getBasicSalary() + payroll->getFoodAllowance() + payroll->getHouseRentAllowance() - payroll->getEmployeePFContribution() - payroll->getEmployerPFContribution();
+			Payslip* payslip = Factory::getObject<Payslip>(salary, employee->getId());
+			employee->addPayslip(payslip);
+			payslips.emplace(payslip->getId(), payslip);
+		}
+	}
+}
+
+ /*
+ * Function: loadPayrolls
+ * Description: Loads payroll objects from persistent storage and associates them
+ *              with existing employees.
+ * Parameters:
+ *    None
+ * Returns:
+ *    void - updates DataStore with loaded payrolls
+ */
+void PayslipManagementService::loadPayrolls()
+{
+	FileManager<Payroll> payrollFileManager(Config::File::PAYROLL_FILE);
+	auto& payrolls = m_dataStore.getPayrolls();
+	auto& employees = m_dataStore.getEmployees();
+	auto payrollObjects = payrollFileManager.load();
+	for (const auto& payrollPair : payrollObjects)
+	{
+		auto employeeIterator = employees.find(payrollPair.second->getEmployeeId());
+		if (employeeIterator == employees.end())
+		{
+			throw std::runtime_error("Payroll Object not associated with an existing employee");
+		}
+		employeeIterator->second->setEmployeePayroll(payrollPair.second);
+	}
+	payrolls.insert(payrollObjects.begin(), payrollObjects.end());
+}
+
+ /*
+ * Function: savePayrolls
+ * Description: Saves all payroll objects from DataStore into persistent storage.
+ * Parameters:
+ *    None
+ * Returns:
+ *    None
+ */
+void PayslipManagementService::savePayrolls()
+{
+	FileManager<Payroll> payrollFileManager(Config::File::PAYROLL_FILE);
+	auto& payrolls = m_dataStore.getPayrolls();
+	payrollFileManager.save(payrolls);
+}
+
+ /*
+ * Function: getPayslipForMonth
+ * Description: Retrieves the payroll and payslip of a given employee for a specific
+ *              month and year.
+ * Parameters:
+ *    employeeId - unique identifier of the employee
+ *    year - year of the payslip
+ *    month - month of the payslip
+ * Returns:
+ *    pair<Payroll*, Payslip*> - payroll and payslip for the given month.
+ */
+std::pair<Payroll*, Payslip*> PayslipManagementService::getPayslipForMonth(const std::string& employeeId, int year, int month)
+{
+	auto& employees = m_dataStore.getEmployees();
+	auto employeeIterator = employees.find(employeeId);
+	if (employeeIterator == employees.end())
+	{
+		throw std::runtime_error("Employee not found!");
+	}
+	auto payroll = employeeIterator->second->getPayroll();
+	auto& payslips = employeeIterator->second->getEmployeePayslips();
+	for (const auto& payslipPair : payslips)
+	{
+		const auto& payslip = payslipPair.second;
+		{
+			if (payslip->getTimestamp().getYear() == year && payslip->getTimestamp().getMonth() == month)
+			{
+				return { payroll, payslip }; 
+			}
+		}
+	}
+	return { nullptr, nullptr };
+}
+
+ /*
+ * Function: loadPayslips
+ * Description: Loads payslip objects from FileManager and associates them
+ *              with existing employees.
+ * Parameters:
+ *    None
+ * Returns:
+ *    void - updates DataStore with loaded payslips
+ */
+void PayslipManagementService::loadPayslips()
+{
+	FileManager<Payslip> payslipFileManager(Config::File::PAYSLIP_FILE);
+	auto& payslips = m_dataStore.getPayslips();
+	auto& employees = m_dataStore.getEmployees();
+	auto payslipObjects = payslipFileManager.load();
+	for (const auto& payslipPair : payslipObjects)
+	{
+		auto employeeIterator = employees.find(payslipPair.second->getEmployeeId());
+		if (employeeIterator == employees.end())
+		{
+			throw std::runtime_error("Payslip Object not associated with an existing employee");
+		}
+		employeeIterator->second->addPayslip(payslipPair.second);
+	}
+	payslips.insert(payslipObjects.begin(), payslipObjects.end());
+}
+
+ /*
+ * Function: savePayslips
+ * Description: Saves all payslip objects from DataStore into FileManager.
+ * Parameters:
+ *    None
+ * Returns:
+ *    void
+ */
+void PayslipManagementService::savePayslips()
+{
+	FileManager<Payslip> payslipFileManager(Config::File::PAYSLIP_FILE);
+	auto& payslips = m_dataStore.getPayslips();
+	payslipFileManager.save(payslips);
+}

Trenser.Zenvy/Trenser.Zenvy/services/PayslipManagementService.h

@@ -1,5 +1,27 @@
+/*
+ * File: PayslipManagementService.h
+ * Description: Handle operations related to employee payslips
+ * Author: Trenser
+ * Created: 30-Mar-2026
+ */
 #pragma once
+#include <string>
+#include<stdexcept>
+#include"DataStore.h"
+
+using payslipMap = std::map<std::string, Payslip*>;
+
 class PayslipManagementService
 {
+private:
+	DataStore& m_dataStore;
+public:
+	PayslipManagementService() : m_dataStore(DataStore::getInstance()) {};
+	void updateSalary(const std::string&, double, double, double, double, double);
+	void generatePayslips();
+	std::pair<Payroll*, Payslip*>getPayslipForMonth(const std::string&, int, int);
+	void loadPayrolls();
+	void savePayrolls();
+	void loadPayslips();
+	void savePayslips();
 };
-

Trenser.Zenvy/Trenser.Zenvy/services/TalentAcquisitionManagementService.cpp

@@ -1 +1,7 @@
+/*
+ * File: TalentAcquisitionManagementService.cpp
+ * Description: Handle operations related to Talent Acquisition
+ * Author: Trenser
+ * Created: 30-Mar-2026
+ */
 #include "TalentAcquisitionManagementService.h"

Trenser.Zenvy/Trenser.Zenvy/services/TalentAcquisitionManagementService.h

@@ -1,5 +1,10 @@
+/*
+ * File: TalentAcquisitionManagementService.h
+ * Description: Handle operations related to Talent Acquisition
+ * Author: Trenser
+ * Created: 30-Mar-2026
+ */
 #pragma once
 class TalentAcquisitionManagementService
 {
 };
-

Trenser.Zenvy/Trenser.Zenvy/services/TeamManagementService.cpp

@@ -1 +1,7 @@
+/*
+ * File: TeamManagementService.cpp
+ * Description: Handle operations related to Team Management
+ * Author: Trenser
+ * Created: 30-Mar-2026
+ */
 #include "TeamManagementService.h"

Trenser.Zenvy/Trenser.Zenvy/services/TeamManagementService.h

@@ -1,3 +1,9 @@
+/*
+ * File: TeamManagementService.h
+ * Description: Handle operations related to Team Management
+ * Author: Trenser
+ * Created: 30-Mar-2026
+ */
 #pragma once
 class TeamManagementService
 {

Trenser.Zenvy/Trenser.Zenvy/services/TicketManagementService.cpp

@@ -1 +1,7 @@
+/*
+ * File: TicketManagementService.h
+ * Description: Handle operations related to Ticket Management
+ * Author: Trenser
+ * Created: 30-Mar-2026
+ */
 #include "TicketManagementService.h"

Trenser.Zenvy/Trenser.Zenvy/services/TicketManagementService.h

@@ -1,3 +1,9 @@
+/*
+ * File: TicketManagementService.h
+ * Description: Handle operations related to Ticket Management
+ * Author: Trenser
+ * Created: 30-Mar-2026
+ */
 #pragma once
 class TicketManagementService
 {

Trenser.Zenvy/Trenser.Zenvy/utilities/AuthorizationHelper.cpp

@@ -0,0 +1 @@
+#include "AuthorizationHelper.h"

Trenser.Zenvy/Trenser.Zenvy/utilities/AuthorizationHelper.h

@@ -0,0 +1,67 @@
+/*
+ * File: AuthorizationHelper.h
+ * Description : Provides utility functions to check and enforce authorization
+ *               based on allowed employee types.
+ * Author : Trenser
+ * Created : 07-Apr-2026
+ */
+#pragma once
+#include <stdexcept>
+#include "Enums.h"
+
+namespace util
+{
+     /*
+     * Function: isAuthorized
+     * Description: Checks if the current employee type matches the specified allowed type.
+     * Parameters:
+     *    current - the employee type of the current user
+     *    first   - the allowed employee type to compare against
+     * Returns:
+     *    bool - true if current matches the allowed type, false otherwise
+     */
+    inline bool isAuthorized(Enums::EmployeeType current, Enums::EmployeeType first)
+    {
+        return current == first;
+    }
+
+     /*
+     * Function: isAuthorized
+     * Description: Checks if the current employee type matches any of the specified allowed types.
+     * Parameters:
+     *    current - the employee type of the current user
+     *    first   - the first allowed employee type
+     *    rest - additional allowed employee types
+     * Returns:
+     *    bool - true if current matches any of the allowed types, false otherwise
+     */
+    template <typename... Rest>
+    inline bool isAuthorized(Enums::EmployeeType current, Enums::EmployeeType first,
+        Rest... rest)
+    {
+        if (current == first)
+        {
+            return true;
+        }
+        return isAuthorized(current, rest...);
+    }
+
+     /*
+     * Function: enforceAuthorization
+     * Description: Enforces authorization by checking if the current employee type
+     *              is among the allowed types.
+     * Parameters:
+     *    current - the employee type of the current user
+     *    alloweds - one or more allowed employee types
+     * Returns:
+     *    void - throws runtime_error if current is not authorized
+     */
+    template <typename... Allowed>
+    inline void enforceAuthorization(Enums::EmployeeType current, Allowed... allowed)
+    {
+        if (!isAuthorized(current, allowed...))
+        {
+            throw std::runtime_error("You are unauthorized to perform this operation!");
+        }
+    }
+}

Trenser.Zenvy/Trenser.Zenvy/utilities/Enums.h

@@ -1,4 +1,12 @@
+/*
+ * File: Enums.h
+ * Description: Defines strongly typed enumerations for statuses, types, and designations used across the HRMS system.
+ * Author: Smitha
+ * Created: 01-04-2026
+ */
+
 #pragma once
+#include <string>
 
 namespace Enums {
 
@@ -18,7 +26,8 @@ namespace Enums {
     {
         PENDING,
         SHORTLISTED,
-        REJECTED 
+        REJECTED,
+        HIRED
     };
 
     enum class NotificationStatus
@@ -66,7 +75,356 @@ namespace Enums {
     {
         JUNIOR,
         SENIOR,
-        TEAM_LEAD
+        TEAM_LEAD,
+        INVALID
     };
 
+    enum class EmployeeType
+    {
+        GENERAL,
+        IT,
+        FINANCE,
+        TALENT_ACQUISITION,
+        HR,
+        TEAM,
+        ADMIN,
+        INVALID
+    };
+
+    enum class LoginStatus
+    {
+        SUCCESS,
+        FIRST_LOGIN,
+        USER_NOT_FOUND,
+        INVALID_PASSWORD
+    };
+
+    enum class Month
+    {
+        JANUARY,
+        FEBRUARY,
+        MARCH,
+        APRIL,
+        MAY,
+        JUNE,
+        JULY,
+        AUGUST,
+        SEPTEMBER,
+        OCTOBER,
+        NOVEMBER,
+        DECEMBER,
+        INVALID
+    };
+
+    /*
+     * Function: getAccountStatusString
+     * Description: Converts AccountStatus enum value to string.
+     * Parameters:
+     *    status - account status enum
+     * Returns:
+     *    std::string - string representation of status
+     */
+    inline std::string getAccountStatusString(AccountStatus status)
+    {
+        switch (status)
+        {
+        case AccountStatus::ACTIVE:
+            return "ACTIVE";
+        case AccountStatus::INACTIVE:
+            return "INACTIVE";
+        default:
+            return "UNKNOWN";
+        }
+    }
+
+    /*
+     * Function: getEmployeeTypeString
+     * Description: Converts EmployeeType enum value to string.
+     * Parameters:
+     *    type - employee type enum
+     * Returns:
+     *    std::string - string representation of employee type
+     */
+    inline std::string getEmployeeTypeString(EmployeeType type)
+    {
+        switch (type)
+        {
+        case EmployeeType::GENERAL:
+            return "GENERAL";
+        case EmployeeType::IT:
+            return "IT";
+        case EmployeeType::FINANCE:
+            return "FINANCE";
+        case EmployeeType::TALENT_ACQUISITION:
+            return "TALENT_ACQUISITION";
+        case EmployeeType::HR:
+            return "HR";
+        case EmployeeType::TEAM:
+            return "TEAM";
+        case EmployeeType::ADMIN:
+            return "ADMIN";
+        case EmployeeType::INVALID:
+            return "INVALID";
+        default:
+            return "UNKNOWN";
+        }
+    }
+
+    /*
+     * Function: getTeamStatusString
+     * Description: Converts TeamStatus enum value to string.
+     * Parameters:
+     *    status - team status enum
+     * Returns:
+     *    std::string - string representation of team status
+     */
+    inline std::string getTeamStatusString(TeamStatus status)
+    {
+        switch (status)
+        {
+        case TeamStatus::IN_TEAM:
+            return "IN_TEAM";
+        case TeamStatus::NOT_IN_TEAM:
+            return "NOT_IN_TEAM";
+        default:
+            return "UNKNOWN";
+        }
+    }
+
+    /*
+     * Function: getEmployeeDesignationString
+     * Description: Converts EmployeeDesignation enum value to string.
+     * Parameters:
+     *    designation - employee designation enum
+     * Returns:
+     *    std::string - string representation of designation
+     */
+    inline std::string getEmployeeDesignationString(EmployeeDesignation designation)
+    {
+        switch (designation)
+        {
+        case EmployeeDesignation::JUNIOR:
+            return "JUNIOR";
+        case EmployeeDesignation::SENIOR:
+            return "SENIOR";
+        case EmployeeDesignation::TEAM_LEAD:
+            return "TEAM_LEAD";
+        case EmployeeDesignation::INVALID:
+            return "INVALID";
+        default:
+            return "UNKNOWN";
+        }
+    }
+
+    /*
+     * Function: getCandidateStatusString
+     * Description: Converts CandidateStatus enum value to string.
+     * Parameters:
+     *    status - candidate status enum
+     * Returns:
+     *    std::string - string representation of candidate status
+     */
+    inline std::string getCandidateStatusString(CandidateStatus status)
+    {
+        switch (status)
+        {
+        case CandidateStatus::PENDING: return "Pending";
+        case CandidateStatus::SHORTLISTED: return "Shortlisted";
+        case CandidateStatus::REJECTED: return "Rejected";
+        default: return "Unknown";
+        }
+    }
+
+    /*
+     * Function: getMonthString
+     * Description: Converts Month enum value to month name.
+     * Parameters:
+     *    month - month enum
+     * Returns:
+     *    std::string - month name
+     */
+    inline std::string getMonthString(Month month)
+    {
+        switch (month)
+        {
+        case Month::JANUARY:
+            return "January";
+        case Month::FEBRUARY:
+            return "February";
+        case Month::MARCH:
+            return "March";
+        case Month::APRIL:
+            return "April";
+        case Month::MAY:
+            return "May";
+        case Month::JUNE:
+            return "June";
+        case Month::JULY:
+            return "July";
+        case Month::AUGUST:
+            return "August";
+        case Month::SEPTEMBER:
+            return "September";
+        case Month::OCTOBER:
+            return "October";
+        case Month::NOVEMBER:
+            return "November";
+        case Month::DECEMBER:
+            return "December";
+        case Month::INVALID:
+            return "Invalid Month";
+        default:
+            return "Unknown";
+        }
+    }
+
+    /*
+     * Function: getAccountStatus
+     * Description: Converts string to AccountStatus enum.
+     * Parameters:
+     *    input - string representation of account status
+     * Returns:
+     *    AccountStatus - enum value
+     */
+    inline AccountStatus getAccountStatus(const std::string& input)
+    {
+        if (input == "ACTIVE")
+        {
+            return AccountStatus::ACTIVE;
+        }
+        if (input == "INACTIVE")
+        {
+            return AccountStatus::INACTIVE;
+        }
+        return AccountStatus::INACTIVE;
+    }
+
+    /*
+     * Function: getEmployeeType
+     * Description: Converts string to EmployeeType enum.
+     * Parameters:
+     *    input - string representation of employee type
+     * Returns:
+     *    EmployeeType - enum value
+     */
+    inline EmployeeType getEmployeeType(const std::string& input)
+    {
+        if (input == "GENERAL")
+        {
+            return EmployeeType::GENERAL;
+        }
+        if (input == "IT")
+        {
+            return EmployeeType::IT;
+        }
+        if (input == "FINANCE")
+        {
+            return EmployeeType::FINANCE;
+        }
+        if (input == "TALENT_ACQUISITION")
+        {
+            return EmployeeType::TALENT_ACQUISITION;
+        }
+        if (input == "HR")
+        {
+            return EmployeeType::HR;
+        }
+        if (input == "TEAM")
+        {
+            return EmployeeType::TEAM;
+        }
+        if (input == "ADMIN")
+        {
+            return EmployeeType::ADMIN;
+        }
+        return EmployeeType::INVALID;
+    }
+
+    /*
+     * Function: getTeamStatus
+     * Description: Converts string to TeamStatus enum.
+     * Parameters:
+     *    str - string representation of team status
+     * Returns:
+     *    TeamStatus - enum value
+     */
+    inline TeamStatus getTeamStatus(const std::string& str)
+    {
+        if (str == "IN_TEAM")
+        {
+            return TeamStatus::IN_TEAM;
+        }
+        if (str == "NOT_IN_TEAM")
+        {
+            return TeamStatus::NOT_IN_TEAM;
+        }
+        return TeamStatus::NOT_IN_TEAM;
+    }
+
+    /*
+     * Function: getEmployeeDesignation
+     * Description: Converts string to EmployeeDesignation enum.
+     * Parameters:
+     *    input - string representation of designation
+     * Returns:
+     *    EmployeeDesignation - enum value
+     */
+    inline EmployeeDesignation getEmployeeDesignation(const std::string& input)
+    {
+        if (input == "JUNIOR")
+        {
+            return EmployeeDesignation::JUNIOR;
+        }
+        if (input == "SENIOR")
+        {
+            return EmployeeDesignation::SENIOR;
+        }
+        if (input == "TEAM_LEAD")
+        {
+            return EmployeeDesignation::TEAM_LEAD;
+        }
+        return EmployeeDesignation::INVALID;
+    }
+
+    /*
+     * Function: getMonth
+     * Description: Converts integer to Month enum.
+     * Parameters:
+     *    inputMonth - month number (1–12)
+     * Returns:
+     *    Month - enum value
+     */
+    inline Month getMonth(const int inputMonth)
+    {
+        switch (inputMonth)
+        {
+        case 1:
+            return Month::JANUARY;
+        case 2:
+            return Month::FEBRUARY;
+        case 3:
+            return Month::MARCH;
+        case 4:
+            return Month::APRIL;
+        case 5:
+            return Month::MAY;
+        case 6:
+            return Month::JUNE;
+        case 7:
+            return Month::JULY;
+        case 8:
+            return Month::AUGUST;
+        case 9:
+            return Month::SEPTEMBER;
+        case 10:
+            return Month::OCTOBER;
+        case 11:
+            return Month::NOVEMBER;
+        case 12:
+            return Month::DECEMBER;
+        default:
+            return Month::INVALID;
+        }
+    }
+
 }

Trenser.Zenvy/Trenser.Zenvy/utilities/InputHelper.cpp

@@ -1,11 +1 @@
 #include "inputHelper.h"
-
-void util::readString(std::string& value)
-{
-	getline(std::cin >> std::ws, value);
-}
-
-void util::pressEnter()
-{
-	system("pause");
-}

Trenser.Zenvy/Trenser.Zenvy/utilities/InputHelper.h

@@ -1,3 +1,9 @@
+/*
+ * File: InputHelper.h
+ * Description: Handles input validation and error handling
+ * Author: Smitha
+ * Created: 08-Apr-2026
+ */
 #pragma once
 #include <iostream>
 #include <limits>
@@ -6,18 +12,47 @@
 
 namespace util
 {
-	template <typename T>
-	void readValue(T& value)
-	{
-		std::cin >> value;
-		if (std::cin.fail())
-		{
-			std::cin.clear();
-			std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
-			throw std::runtime_error("Invalid Console Input");
-		}
-	}
+    /*
+    * Function: read
+    * Description: Reads input from console into a variable of type T.
+    * Parameters:
+    * value - reference to a variable of type T where the input will be stored
+    * Returns:
+    * void - throws runtime_error if input is invalid
+    */
+    template <typename T>
+    inline void read(T& value)
+    {
+        if (!(std::cin >> value))
+        {
+            std::cin.clear();
+            std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
+            throw std::runtime_error("Invalid console input");
+        }
+    }
 
-	void readString(std::string&);
-	void pressEnter();
+    /*
+    * Function: read
+    * Description: Reads a line of text input from console into a string.
+    * Parameters:
+    * value - reference to a string where the input will be stored
+    * Returns:
+    * void - no return value
+    */
+    inline void read(std::string& value)
+    {
+        std::getline(std::cin >> std::ws, value);
+    }
+
+    /*
+    * Function: pressEnter
+    * Description: Pauses execution until the user presses Enter.
+    * Parameters: None
+    * Returns: void - no return value
+    */
+    inline void pressEnter()
+    {
+        std::cout << std::endl;
+	    system("pause");
+    }
 }

Trenser.Zenvy/Trenser.Zenvy/utilities/OutputHelper.cpp

@@ -1,5 +1,18 @@
+/*
+ * File: OutputHelper.cpp
+ * Description: Provides functions to help with console output.
+ * Author: Trenser
+ * Created: 01-04-2026
+*/
 #include "outputHelper.h"
 
+/*
+* Function: clear
+* Description: Clears the console screen output.
+* Parameters: None
+* Returns:
+*    void - no return value
+*/
 void util::clear()
 {
 	std::cout << "\x1B[2J\x1B[H" << std::flush;

Trenser.Zenvy/Trenser.Zenvy/utilities/OutputHelper.h

@@ -1,3 +1,9 @@
+/*
+ * File: OutputHelper.h
+ * Description: Provides functions to help with console output.
+ * Author: Trenser
+ * Created: 01-04-2026
+*/
 #pragma once
 #include <iostream>
 

Trenser.Zenvy/Trenser.Zenvy/utilities/StringHelper.cpp

@@ -0,0 +1,29 @@
+/*
+ * File: StringHelper.cpp
+ * Description: Provides functions to help with string manipulation.
+ * Author: Trenser
+ * Created: 10-04-2026
+*/
+#include "StringHelper.h"
+#include <cctype>
+
+/*
+ * Function: extractNumber
+ * Description: Extracts and returns the numeric value formed by digits in the input string.
+ * Parameters:
+ *    input - string containing numeric and non-numeric characters
+ * Returns:
+ *    int - number extracted from the input string
+ */
+int util::extractNumber(const std::string& input)
+{
+    int result = 0;
+    for (char character : input)
+    {
+        if (std::isdigit(static_cast<unsigned char>(character)))
+        {
+            result = result * 10 + (character - '0');
+        }
+    }
+    return result;
+}

Trenser.Zenvy/Trenser.Zenvy/utilities/StringHelper.h

@@ -0,0 +1,13 @@
+/*
+ * File: StringHelper.h
+ * Description: Provides functions to help with string manipulation.
+ * Author: Trenser
+ * Created: 10-04-2026
+*/
+#pragma once
+#include <string>
+
+namespace util
+{
+    int extractNumber(const std::string&);
+}

Trenser.Zenvy/Trenser.Zenvy/utilities/Timestamp.cpp

@@ -1,18 +1,52 @@
+/*
+ * File: Timestamp.cpp
+ * Description: Provides a utility class for representing and manipulating time values.
+ *              Supports conversion between string and time formats, duration calculations
+ *              (hours, minutes, seconds), date extraction, and comparison operators.
+ * Author: Trenser
+ * Created: 01-Apr-2026
+ */
 #include <sstream>
 #include <iomanip>
 #include <stdexcept>
 #include "Timestamp.h"
 
+ /*
+ * Function: Timestamp
+ * Description: Default constructor that initializes the timestamp to the current system time.
+ * Parameters:
+ *    None
+ * Returns:
+ *    Timestamp object
+ */
 util::Timestamp::Timestamp()
 {
     m_time = std::time(nullptr);
 }
 
+/*
+* Function: Timestamp (overloaded)
+* Description: Constructor that initializes the timestamp with a given time value.
+* Parameters:
+*    timeValue - time_t value representing a specific time
+* Returns:
+*    Timestamp object
+*/
 util::Timestamp::Timestamp(std::time_t timeValue)
 {
     m_time = timeValue;
 }
 
+/*
+* Function: fromString
+* Description: Creates a Timestamp object from a formatted string.
+* Parameters:
+*    timeString - string in the format "YYYY-MM-DD HH:MM:SS"
+* Returns:
+*    Timestamp object representing the parsed time
+* Throws:
+*    runtime_error if the string format is invalid
+*/
 util::Timestamp util::Timestamp::fromString(const std::string& timeString)
 {
     std::tm timeStruct = {};
@@ -26,6 +60,14 @@ util::Timestamp util::Timestamp::fromString(const std::string& timeString)
     return Timestamp(parsedTimestamp);
 }
 
+/*
+* Function: toString
+* Description: Converts the Timestamp object into a formatted string.
+* Parameters:
+*    None
+* Returns:
+*    string - formatted as "YYYY-MM-DD HH:MM:SS"
+*/
 std::string util::Timestamp::toString() const
 {
     std::tm timeStruct = {};
@@ -35,11 +77,28 @@ std::string util::Timestamp::toString() const
     return outputStream.str();
 }
 
+/*
+* Function: getDurationInSeconds
+* Description: Calculates the duration between two timestamps in seconds.
+* Parameters:
+*    startTimestamp - starting time
+*    endTimestamp - ending time
+* Returns:
+*    double - duration in seconds
+*/
 double util::Timestamp::getDurationInSeconds(const Timestamp& startTimestamp, const Timestamp& endTimestamp)
 {
     return std::difftime(endTimestamp.m_time, startTimestamp.m_time);
 }
 
+/*
+* Function: getDateAsInt
+* Description: Returns the date portion of the timestamp as an integer in YYYYMMDD format.
+* Parameters:
+*    None
+* Returns:
+*    int - date as YYYYMMDD
+*/
 int util::Timestamp::getDateAsInt() const
 {
     std::tm timeStruct{};
@@ -50,36 +109,139 @@ int util::Timestamp::getDateAsInt() const
     return year * 10000 + month * 100 + day;
 }
 
+/*
+* Function: getMonth
+* Description: Extracts the month value from the timestamp.
+* Parameters:
+*    None
+* Returns:
+*    int - month value (1 to 12)
+*/
+int util::Timestamp::getMonth() const
+{
+    std::tm timeStruct{};
+    localtime_s(&timeStruct, &m_time);
+    return timeStruct.tm_mon + 1;
+}
+
+/*
+* Function: getYear
+* Description: Extracts the year value from the timestamp.
+* Parameters:
+*    None
+* Returns:
+*    int - year value
+*/
+int util::Timestamp::getYear() const
+{
+    std::tm timeStruct{};
+    localtime_s(&timeStruct, &m_time);
+    return timeStruct.tm_year + 1900;
+}
+
+/*
+* Function: getDay
+* Description: Extracts the day value from the timestamp.
+* Parameters:
+*    None
+* Returns:
+*    int - day of the month
+*/
+int util::Timestamp::getDay() const
+{
+    std::tm timeStruct{};
+    localtime_s(&timeStruct, &m_time);
+    return timeStruct.tm_mday;
+}
+
+/*
+* Function: getDurationInMinutes
+* Description: Calculates the duration between two timestamps in minutes.
+* Parameters:
+*    startTimestamp - starting time
+*    endTimestamp - ending time
+* Returns:
+*    double - duration in minutes
+*/
 double util::Timestamp::getDurationInMinutes(const Timestamp& startTimestamp, const Timestamp& endTimestamp)
 {
     return getDurationInSeconds(startTimestamp, endTimestamp) / 60.0;
 }
 
+/*
+* Function: getDurationInHours
+* Description: Calculates the duration between two timestamps in hours.
+* Parameters:
+*    startTimestamp - starting time
+*    endTimestamp - ending time
+* Returns:
+*    double - duration in hours
+*/
 double util::Timestamp::getDurationInHours(const Timestamp& startTimestamp, const Timestamp& endTimestamp)
 {
     return getDurationInSeconds(startTimestamp, endTimestamp) / 3600.0;
 }
 
+/*
+* Function: operator<
+* Description: Compares two timestamps to check if one is earlier than the other.
+* Parameters:
+*    other - Timestamp to compare against
+* Returns:
+*    bool - true if current timestamp is earlier
+*/
 bool util::Timestamp::operator<(const Timestamp& other) const
 {
     return m_time < other.m_time;
 }
 
+/*
+* Function: operator>
+* Description: Compares two timestamps to check if one is later than the other.
+* Parameters:
+*    other - Timestamp to compare against
+* Returns:
+*    bool - true if current timestamp is later
+*/
 bool util::Timestamp::operator>(const Timestamp& other) const
 {
     return m_time > other.m_time;
 }
 
+/*
+* Function: operator<=
+* Description: Compares two timestamps to check if one is earlier or equal.
+* Parameters:
+*    other - Timestamp to compare against
+* Returns:
+*    bool - true if current timestamp is earlier or equal
+*/
 bool util::Timestamp::operator<=(const Timestamp& other) const
 {
     return m_time <= other.m_time;
 }
 
+/*
+* Function: operator>=
+* Description: Compares two timestamps to check if one is later or equal.
+* Parameters:
+*    other - Timestamp to compare against
+* Returns:
+*    bool - true if current timestamp is later or equal
+*/
 bool util::Timestamp::operator>=(const Timestamp& other) const
 {
     return m_time >= other.m_time;
 }
 
+/*
+* Function: operator==
+* Description: Compares two timestamps for equality.
+* Parameters:
+*    other - Timestamp to compare against
+* Returns:
+*    bool - true if both timestamps are equal
+*/
 bool util::Timestamp::operator==(const Timestamp& other) const
 {
     return m_time == other.m_time;

Trenser.Zenvy/Trenser.Zenvy/utilities/Timestamp.h

@@ -1,3 +1,11 @@
+/*
+ * File: Timestamp.h
+ * Description: Provides a utility class for representing and manipulating time values.
+ *              Supports conversion between string and time formats, duration calculations
+ *              (hours, minutes, seconds), date extraction, and comparison operators.
+ * Author: Trenser
+ * Created: 01-Apr-2026
+ */
 #pragma once
 #include <ctime>
 #include <string>
@@ -17,6 +25,9 @@ namespace util
         static double getDurationInMinutes(const Timestamp&, const Timestamp&);
         static double getDurationInSeconds(const Timestamp&, const Timestamp&);
         int getDateAsInt() const;
+        int getMonth() const;
+        int getYear() const;
+        int getDay() const;
         bool operator>(const Timestamp&) const;
         bool operator<(const Timestamp&) const;
         bool operator>=(const Timestamp&) const;

Trenser.Zenvy/Trenser.Zenvy/utilities/Validator.cpp

@@ -1,5 +1,24 @@
-#include "Validator.h"
+/*
+ * File: Validator.cpp
+ * Description: Validates inputs like phone number, email, password
+ * Author: Trenser
+ * Created: 01-Apr-2026
+ */
 
+#include <string>
+#include <cctype>
+#include "Validator.h"
+#include "Employee.h"
+#include "ApplicationConfig.h"
+
+/*
+ * Function: isPhoneNumberValid
+ * Description: Validates whether the given string is a valid phone number.
+ * Parameters:
+ *    phoneNumber - string containing the phone number to validate
+ * Returns:
+ *    bool - true if the phone number is valid (10 digits, all numeric), false otherwise
+ */
 bool util::isPhoneNumberValid(const std::string& phoneNumber) {
 	if (phoneNumber.size() != 10)
 	{
@@ -13,9 +32,20 @@ bool util::isPhoneNumberValid(const std::string& phoneNumber) {
 	);
 }
 
+/*
+ * Function: isEmailValid
+ * Description: Validates whether the given string is a properly formatted email address.
+ * Parameters:
+ *    email - string containing the email address to validate
+ * Returns:
+ *    bool - true if the email contains exactly one '@' character and is not at the start or end, false otherwise
+ */
 bool util::isEmailValid(const std::string& email) {
 	size_t index = email.find('@');
-	if (index == std::string::npos) return false;
+	if (index == std::string::npos)
+	{
+		return false;
+	}
 	if (email.find('@', index + 1) != std::string::npos)
 	{
 		return false;
@@ -26,3 +56,142 @@ bool util::isEmailValid(const std::string& email) {
 	}
 	return true;
 }
+
+/*
+ * Function: isPasswordValid
+ * Description: Validates whether the given string meets password requirements.
+ * Parameters:
+ *    password - string containing the password to validate
+ * Returns:
+ *    bool - true if the password is valid, false otherwise
+ * Notes:
+ *    - Must not equal the default password
+ *    - Must be at least 8 characters long
+ *    - Must contain at least one uppercase letter, one lowercase letter, one digit, and one special character
+ *    - Must not contain whitespace
+ */
+bool util::isPasswordValid(const std::string& password)
+{
+	if (password == Config::Authentication::DEFAULT_PASSWORD)
+	{
+		return false;
+	}
+	if (password.length() < 8)
+		return false;
+	bool hasUpper = false;
+	bool hasLower = false;
+	bool hasDigit = false;
+	bool hasSpecial = false;
+
+	for (char character : password)
+	{
+		if (std::isspace(static_cast<unsigned char>(character)))
+		{
+			return false;
+		}
+		if (std::isupper(static_cast<unsigned char>(character)))
+		{
+			hasUpper = true;
+		}
+		else if (std::islower(static_cast<unsigned char>(character)))
+		{
+			hasLower = true;
+		}
+		else if (std::isdigit(static_cast<unsigned char>(character)))
+		{
+			hasDigit = true;
+		}
+		else
+		{
+			hasSpecial = true;
+		}
+	}
+	return hasUpper && hasLower && hasDigit && hasSpecial;
+}
+
+/*
+ * Function: hasActiveEmployeeOfType
+ * Description: Checks whether there is any active employee of the given employee type.
+ * Parameters:
+ *    employeeType - the type of employee to check against
+ *    employees - map of employee ID to Employee* objects
+ * Returns:
+ *    bool - true if an active employee of the given type exists, otherwise false
+ */
+bool util::hasActiveEmployeeOfType(Enums::EmployeeType employeeType, const std::map<std::string, Employee*>& employees)
+{
+	for (const auto& employeePair : employees)
+	{
+		const auto& employee = employeePair.second;
+		if (employee->getEmployeeType() == employeeType && employee->getEmployeeAccountStatus() == Enums::AccountStatus::ACTIVE)
+		{
+			return true;
+		}
+	}
+	return false;
+}
+
+/*
+ * Function: isEmailDuplicate
+ * Description: Checks if an email already exists among the given employees.
+ * Parameters:
+ *    email - the email address to check
+ *    employees - map of employee ID to Employee* objects
+ * Returns:
+ *    bool - true if a duplicate email is found, otherwise false
+ */
+bool util::isEmailDuplicate(const std::string& email, const std::map<std::string, Employee*>& employees)
+{
+	for (const auto& employeePair : employees)
+	{
+		const auto& employee = employeePair.second;
+		if (employee->getEmployeeEmail() == email)
+		{
+			return true;
+		}
+	}
+	return false;
+}
+
+/*
+ * Function: isPhoneDuplicate
+ * Description: Checks if a phone number already exists among the given employees.
+ * Parameters:
+ *    phone - the phone number to check
+ *    employees - map of employee ID to Employee* objects
+ * Returns:
+ *    bool - true if a duplicate phone number is found, otherwise false
+ */
+bool util::isPhoneDuplicate(const std::string& phone, const std::map<std::string, Employee*>& employees)
+{
+	for (const auto& employeePair : employees)
+	{
+		const auto& employee = employeePair.second;
+		if (employee->getEmployeePhone() == phone)
+		{
+			return true;
+		}
+	}
+	return false;
+}
+
+/*
+ * Function: isPhoneDuplicate (overloaded)
+ * Description: Checks if a phone number already exists in a vector of employees.
+ * Parameters:
+ *    phone - the phone number to check
+ *    employees - vector of Employee* pointers
+ * Returns:
+ *    bool - true if a duplicate phone number is found, otherwise false
+ */
+bool util::isPhoneDuplicate(const std::string& phone, const std::vector<const Employee*>& employees)
+{
+	for (const auto& employee : employees)
+	{
+		if (employee->getEmployeePhone() == phone)
+		{
+			return true;
+		}
+	}
+	return false;
+}

Trenser.Zenvy/Trenser.Zenvy/utilities/Validator.h

@@ -1,10 +1,27 @@
+/*
+ * File: Validator.h
+ * Description: Validates inputs like phone number, email, password
+ * Author: Trenser
+ * Created: 01-Apr-2026
+ */
 #pragma once
 #include<string>
+#include<map>
+#include<memory>
+#include<vector>
 #include<algorithm>
 #include<cctype>
+#include "Enums.h"
+
+class Employee;
 
 namespace util
 {
 	bool isPhoneNumberValid(const std::string&);
 	bool isEmailValid(const std::string&);
+	bool isPasswordValid(const std::string&);
+	bool hasActiveEmployeeOfType(Enums::EmployeeType, const std::map<std::string, Employee*>&);
+	bool isEmailDuplicate(const std::string&, const std::map<std::string, Employee*>&);
+	bool isPhoneDuplicate(const std::string&, const std::map<std::string, Employee*>&);
+	bool isPhoneDuplicate(const std::string&, const std::vector<const Employee*>&);
 }

Trenser.Zenvy/Trenser.Zenvy/views/AdminMenu.cpp

@@ -0,0 +1,87 @@
+/*
+ * File: AdminMenu.cpp
+ * Description: Handles user-related operations such as creation, authentication, and validation.
+ * Author: Trenser
+ * Created: 02-Apr-2026
+ */
+#include <iostream>
+#include "AdminMenu.h"
+#include"InputHelper.h"
+#include"OutputHelper.h"
+#include "MenuHelper.h"
+
+ /*
+  * Function: AdminMenu::run
+  * Description: Starts and manages the administrator menu loop. Continuously displays
+  *              options to the administrator until logout is selected or an exception occurs.
+  * Parameters:
+  *    None
+  * Returns:
+  *    None
+  */
+void AdminMenu::run()
+{
+	bool isMenuActive = true;
+	while (isMenuActive)
+	{
+		try
+		{
+			int choice;
+			util::clear();
+			std::cout << "Admin Menu\n1. Create User\n2. View Employees\n3. Deactivate Employee\n4. Search Employee\n5. Update Profile\n6. Update Designation \n7. Add Shortlisted Candidate As Employee\n8. Logout\nEnter your Choice: ";
+			util::read(choice);
+			if (!handleOperation(choice))
+			{
+				isMenuActive = false;
+			}
+		}
+		catch (const std::exception& e)
+		{
+			std::cout << "Exception: " << e.what() << std::endl;
+			util::pressEnter();
+		}
+	}
+}
+
+/*
+ * Function: AdminMenu::handleOperation
+ * Description: Processes the administrator’s menu choice and executes the corresponding action.
+ * Parameters:
+ *    choice - integer representing the selected menu option
+ * Returns:
+ *    true  - if the menu should remain active
+ *    false - if the administrator chooses to logout
+ */
+bool AdminMenu::handleOperation(int choice)
+{
+	switch (choice)
+	{
+	case 1:
+		createEmployee(m_zenvyController);
+		break;
+	case 2:
+		viewEmployees(m_zenvyController);
+		break;
+	case 3:
+		deactivateEmployee(m_zenvyController);
+		break;
+	case 4:
+		searchEmployee(m_zenvyController);
+		break;
+	case 5:
+		updateProfile(m_zenvyController);
+		break;
+	case 6:
+		updateDesignation(m_zenvyController);
+		break;
+	case 7:
+		addShortlistedCandidateAsEmployee(m_zenvyController);
+		break;
+	case 8:
+		return false;
+	default:
+		std::cout << "Enter a valid choice!" << std::endl;
+		util::pressEnter();
+	}
+	return true;
+}

Trenser.Zenvy/Trenser.Zenvy/views/AdminMenu.h

@@ -0,0 +1,18 @@
+/*
+ * File: AdminMenu.h
+ * Description: Declaration of the AdminMenu class and related functions.
+ * Author: Trenser
+ * Created: 02-Apr-2026
+ */
+#pragma once
+#include"ZenvyController.h"
+
+class AdminMenu
+{
+private:
+	ZenvyController* m_zenvyController;
+public:
+	AdminMenu() :m_zenvyController(new ZenvyController()) {};
+	void run();
+	bool handleOperation(int);
+};