Merge branch 'feature-file-management' into feature-1551-1561-1708

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/controllers/Controller.cpp

@@ -6,16 +6,10 @@ Description: Implementation file containing the method definitions of the
 Author: Trenser
 Date:19-May-2026
 */
-#include "ComboPackage.h"
+#include <stdexcept>
 #include "Controller.h"
 #include "Enums.h"
-#include "InventoryItem.h"
-#include "Invoice.h"
-#include "JobCard.h"
-#include "Service.h"
-#include "ServiceBooking.h"
 #include "User.h"
-#include <stdexcept>
 
 /*
 Function: login
@@ -61,7 +55,6 @@ Parameter: const std::string& username - customer
            const std::string& phone - customer’s phone number
 Return type: void
 */
-
 void Controller::createCustomer(const std::string& username, const std::string& name, const std::string& password, const std::string& email, const std::string& phone)
 {
     m_userManagementService.createUser(username, name, password, email, phone, util::UserType::CUSTOMER);
@@ -78,19 +71,8 @@ const User* Controller::getAuthenticatedUser()
     return m_authenticationManagementService.getAuthenticatedUser();
 }
 
-/*
+void Controller::createTechnician(const std::string& username, const std::string& password, const std::string& email, const std::string& phone)
-Function: createTechnician
-Description: Creates a new technician account with provided details by
-             delegating to the user management service.
-Parameter: const std::string& username - technician's username
-           const std::string& password - technician's password
-           const std::string& email - technician's email address
-           const std::string& phoneNumber - technician's phone number
-Return type: void
-*/
-void Controller::createTechnician(const std::string& username, const std::string& name, const std::string& password, const std::string& email, const std::string& phoneNumber)
 {
-    m_userManagementService.createUser(username, name, password, email, phoneNumber, util::UserType::TECHNICIAN);
 }
 
 /*
@@ -110,45 +92,14 @@ void Controller::updateUserDetails(const std::string& email, const std::string&
     m_userManagementService.updateUserDetails(authenticatedUser->getId(), email, phone);
 }
 
-/*
-Function: getServices
-Description: Retrieves all available services in read-only form.
-Parameters:
-    - None
-Returns:
-    - util::Map<std::string, const Service*> containing all services
-*/
 util::Map<std::string, const Service*> Controller::getServices()
 {
-    util::Map<std::string, Service*> currentServices = m_serviceManagementService.getServices();
+    return util::Map<std::string, const Service*>();
-    util::Map<std::string, const Service*> readOnlyServices;
-    for (int iterator = 0; iterator < currentServices.getSize(); iterator++)
-    {
-        readOnlyServices.insert(currentServices.getValueAt(iterator)->getId(), currentServices.getValueAt(iterator));
-    }
-    return readOnlyServices;
 }
 
-/*
-Function: getComboPackages
-Description: Retrieves all available combo packages from the service
-             management service and constructs a read-only map.
-Parameter: None
-Return type: util::Map<std::string, const ComboPackage*>
-*/
 util::Map<std::string, const ComboPackage*> Controller::getComboPackages()
 {
-    util::Map<std::string, ComboPackage*> currentAvailableComboPackages = m_serviceManagementService.getComboPackages();
+    return util::Map<std::string, const ComboPackage*>();
-    util::Map<std::string, const ComboPackage*> readOnlyComboPackages;
-    for (int iterator = 0; iterator < currentAvailableComboPackages.getSize(); iterator++)
-    {
-        ComboPackage* currentComboPackage = currentAvailableComboPackages.getValueAt(iterator);
-        if (currentComboPackage)
-        {
-            readOnlyComboPackages.insert(currentComboPackage->getId(), currentComboPackage);
-        }
-    }
-    return readOnlyComboPackages;
 }
 
 /*
@@ -179,333 +130,84 @@ void Controller::purchaseComboPackage(const std::string& comboPackageID, const s
     m_serviceManagementService.purchaseComboPackage(comboPackageID, vehicleNumber, vehicleBrand, vehicleModel);
 }
 
-/*
-Function: getInventoryItems
-Description: Retrieves all inventory items from the inventory management service
-             and constructs a read-only map for external use.
-Parameter: None
-Return type: util::Map<std::string, const InventoryItem*>
-*/
 util::Map<std::string, const InventoryItem*> Controller::getInventoryItems()
 {
-    auto inventoryItems = m_inventoryManagementService.getInventoryItems();
+    return util::Map<std::string, const InventoryItem*>();
-    util::Map<std::string, const InventoryItem*> readOnlyInventoryItems;
-    int inventoryItemsMapSize = inventoryItems.getSize();
-    for (int index = 0; index < inventoryItemsMapSize; index++)
-    {
-        readOnlyInventoryItems.insert(inventoryItems.getKeyAt(index), inventoryItems.getValueAt(index));
-    }
-    return readOnlyInventoryItems;
 }
 
-/*
-Function: getInventoryItem
-Description: Retrieves a specific inventory item by its ID from the inventory management service.
-Parameter: const std::string& inventoryItemID - ID of the inventory item
-Return type: const InventoryItem*
-*/
 const InventoryItem* Controller::getInventoryItem(const std::string& inventoryItemID)
 {
-    return m_inventoryManagementService.getInventoryItem(inventoryItemID);
+    return nullptr;
 }
 
-/*
-Function: addInventoryItem
-Description: Adds a new inventory item with specified details to the inventory management service.
-Parameter: const std::string& partName - name of the part
-           int quantity - quantity of the part
-           double price - price of the part
-Return type: void
-*/
 void Controller::addInventoryItem(const std::string& partName, int quantity, double price)
 {
-    m_inventoryManagementService.addInventoryItem(partName, quantity, price);
 }
 
-/*
-Function: removeInventoryItem
-Description: Removes an inventory item from the inventory management service by its ID.
-Parameter: const std::string& inventoryItemID - ID of the inventory item
-Return type: void
-*/
 void Controller::removeInventoryItem(const std::string& inventoryItemID)
 {
-    m_inventoryManagementService.removeInventoryItem(inventoryItemID);
 }
 
-/*
-Function: addInventoryItemStock
-Description: Adds stock to an existing inventory item in the inventory management service.
-Parameter: const std::string& selectedItemId - ID of the inventory item
-           int quantity - quantity to add
-Return type: void
-*/
-void Controller::addInventoryItemStock(const std::string& selectedItemId, int quantity)
-{
-    m_inventoryManagementService.addInventoryItemStock(selectedItemId, quantity);
-}
-
-/*
-Function: getServiceBookings
-Description: Retrieves all service bookings in read-only form.
-Parameters:
-    - None
-Returns:
-    - util::Map<std::string, const ServiceBooking*> containing service bookings
-*/
 util::Map<std::string, const ServiceBooking*> Controller::getServiceBookings()
 {
-    auto serviceBookings = m_serviceManagementService.getServiceBookings();
+    return util::Map<std::string, const ServiceBooking*>();
-    util::Map<std::string, const ServiceBooking*> readOnlyServiceBookings;
-    for (int iterator = 0; iterator < serviceBookings.getSize(); iterator++)
-    {
-        readOnlyServiceBookings.insert(serviceBookings.getKeyAt(iterator), serviceBookings.getValueAt(iterator));
-    }
-    return readOnlyServiceBookings;
 }
 
-/*
-Function: getServiceBookingsByUser
-Description: Retrieves all service bookings for a specific user.
-Parameters:
-    - userID: std::string, the user ID
-Returns:
-    - util::Map<std::string, const ServiceBooking*> containing bookings for the user
-*/
 util::Map<std::string, const ServiceBooking*> Controller::getServiceBookingsByUser(const std::string userID)
 {
-    util::Map<std::string, const ServiceBooking*> readOnlyServiceBookingsByUserMap;
+    return util::Map<std::string, const ServiceBooking*>();
-    util::Map<std::string, ServiceBooking*> currentServiceBookingsByUser = m_serviceManagementService.getServiceBookings(userID);
-    for (int iterator = 0; iterator < currentServiceBookingsByUser.getSize(); iterator++)
-    {
-        readOnlyServiceBookingsByUserMap.insert(currentServiceBookingsByUser.getValueAt(iterator)->getId(), currentServiceBookingsByUser.getValueAt(iterator));
-    }
-    return readOnlyServiceBookingsByUserMap;
 }
 
-/*
-Function: getUsers
-Description: Retrieves all users from the user management service and
-             constructs a read-only map.
-Parameter: None
-Return type: util::Map<std::string, const User*>
-*/
 util::Map<std::string, const User*> Controller::getUsers()
 {
-    auto listOfUsers = m_userManagementService.getUsers();
+    return util::Map<std::string, const User*>();
-    util::Map<std::string, const User*> readOnlyUserList;
-    for (int iterator = 0; iterator < listOfUsers.getSize(); iterator++)
-    {
-        readOnlyUserList.insert(listOfUsers.getKeyAt(iterator), listOfUsers.getValueAt(iterator));
-    }
-    return readOnlyUserList;
 }
 
-/*
-Function: getUsers
-Description: Retrieves users filtered by user type.
-Parameters:
-    - userType: util::UserType, type of user (CUSTOMER, TECHNICIAN, ADMIN)
-Returns:
-    - util::Map<std::string, const User*> containing users of the specified type
-*/
 util::Map<std::string, const User*> Controller::getUsers(util::UserType userType)
 {
-    auto userMap = m_userManagementService.getUsers(userType);
+    return util::Map<std::string, const User*>();
-    util::Map<std::string, const User*> readOnlyUserMap;
-    for (int iterator = 0; iterator < userMap.getSize(); iterator++)
-    {
-        readOnlyUserMap.insert(userMap.getKeyAt(iterator), userMap.getValueAt(iterator));
-    }
-    return readOnlyUserMap;
 }
 
-/*
-Function: createJobCard
-Description: Creates a job card for a service booking assigned to a technician.
-Parameters:
-    - bookingID: std::string, ID of the service booking
-    - technicianID: std::string, ID of the technician
-    - serviceID: std::string, ID of the service
-Returns:
-    - void
-*/
 void Controller::createJobCard(const std::string& bookingID, const std::string& technicianID, const std::string& serviceID)
 {
-    m_serviceManagementService.createJobCard(bookingID, technicianID, serviceID);
 }
 
-/*
-Function: createService
-Description: Creates a new service with associated inventory items and labor cost.
-Parameters:
-    - name: std::string, name of the service
-    - inventoryItemIDs: Vector of inventory item IDs
-    - laborCost: double, labor cost
-Returns:
-    - void
-*/
 void Controller::createService(const std::string& name, const util::Vector<std::string>& inventoryItemIDs, double laborCost)
 {
-    m_serviceManagementService.createService(name, inventoryItemIDs, laborCost);
 }
 
-/*
-Function: removeService
-Description: Removes a service from the system by ID.
-Parameters:
-    - serviceID: std::string, ID of the service
-Returns:
-    - void
-*/
 void Controller::removeService(const std::string& serviceID)
 {
-    m_serviceManagementService.removeService(serviceID);
 }
 
-/*
-Function: getJobCardsByUser
-Description: Retrieves job cards assigned to the authenticated technician.
-Parameters:
-    - None
-Returns:
-    - util::Map<std::string, const JobCard*> containing job cards
-*/
 util::Map<std::string, const JobCard*> Controller::getJobCardsByUser()
 {
-    const User* currentUser = getAuthenticatedUser();
+    return util::Map<std::string, const JobCard*>();
-    auto jobCardsAssignedToTechnician = m_serviceManagementService.getJobCards(currentUser->getId());
-    util::Map<std::string, const JobCard*> readOnlyJobCardMap;
-    for (int iterator = 0; iterator < jobCardsAssignedToTechnician.getSize(); iterator++)
-    {
-        JobCard* currentJobCard = jobCardsAssignedToTechnician.getValueAt(iterator);
-        readOnlyJobCardMap.insert(currentJobCard->getId(), currentJobCard);
-    }
-    return readOnlyJobCardMap;
 }
 
-/*
+void Controller::completeJob(const std::string& jobID)
-Function: completeJob
-Description: Marks a job card as completed.
-Parameters:
-    - jobID: std::string, ID of the job card
-Returns:
-    - void
-*/
-void Controller::updateJobStatus(const std::string& jobID)
 {
-    m_serviceManagementService.updateJobStatus(jobID);
 }
 
-/*
-Function: removeUser
-Description: Removes a user by ID. Cancels associated service bookings
-             and technician jobs before removing the user from the system.
-Parameter: const std::string& userID - ID of the user to remove
-Return type: void
-*/
 void Controller::removeUser(const std::string& userID)
 {
-    User* user = m_userManagementService.getUser(userID);
-    if (!user)
-    {
-        throw std::runtime_error("Error: User not Found.\n");
-    }
-    m_userManagementService.removeUser(userID);
 }
 
-/*
-Function: createComboPackage
-Description: Creates a new combo package with specified services and discount
-             percentage by delegating to the service management service.
-Parameter: const std::string& name - name of the combo package
-           const util::Vector<std::string>& serviceIDs - list of service IDs
-           double discountPercentage - discount percentage for the package
-Return type: void
-*/
 void Controller::createComboPackage(const std::string& name, const util::Vector<std::string>& serviceIDs, double discountPercentage)
 {
-    m_serviceManagementService.createComboPackage(name, serviceIDs, discountPercentage);
 }
 
-/*
-Function: removeComboPackage
-Description: Removes a combo package by ID by delegating to the service
-             management service.
-Parameter: const std::string& comboPackageID - ID of the combo package
-Return type: void
-*/
 void Controller::removeComboPackage(const std::string& comboPackageID)
 {
-    m_serviceManagementService.removeComboPackage(comboPackageID);
 }
 
-/*
-Function: getInvoicesByUser
-Description: Retrieves all invoices associated with the currently authenticated user.
-             Converts them into a read-only map before returning.
-Parameters:
-    - None
-Returns:
-    - util::Map<std::string, const Invoice*> containing the user’s invoices
-*/
 util::Map<std::string, const Invoice*> Controller::getInvoicesByUser()
 {
-    User* currentUser = m_authenticationManagementService.getAuthenticatedUser();
+    return util::Map<std::string, const Invoice*>();
-    util::Map<std::string, Invoice*> currentUserInvoices =  m_paymentManagementService.getInvoices(currentUser->getId());
-    util::Map<std::string, const Invoice*> userInvoicesReadOnly;
-    for (int iterator = 0; iterator < currentUserInvoices.getSize(); iterator++)
-    {
-        Invoice* currentInvoice = currentUserInvoices.getValueAt(iterator);
-        userInvoicesReadOnly.insert(currentInvoice->getId(), currentInvoice);
-    }
-    return userInvoicesReadOnly;
 }
 
-/*
-Function: getAllInvoices
-Description: Retrieves all invoices from the PaymentManagementService and returns them as a read-only map.
-Parameters:
-    - none
-Returns:
-    - util::Map<std::string, const Invoice*>: Map of invoice IDs to invoice objects
-*/
-util::Map<std::string, const Invoice*> Controller::getAllInvoices()
-{
-    auto invoices = m_paymentManagementService.getAllInvoices();
-    util::Map<std::string, const Invoice*> readOnlyInvoice;
-    for (int iterator = 0; iterator < invoices.getSize(); iterator++)
-    {
-        readOnlyInvoice.insert(invoices.getKeyAt(iterator), invoices.getValueAt(iterator));
-    }
-    return readOnlyInvoice;
-}
-
-/*
-Function: confirmPayment
-Description: Delegates payment confirmation for a given invoice ID to the PaymentManagementService.
-Parameters:
-    - invoiceID: std::string, ID of the invoice to confirm
-Returns:
-    - void
-*/
-void Controller::confirmPayment(const std::string& invoiceID)
-{
-    m_paymentManagementService.confirmPayment(invoiceID);
-}
-
-/*
-Function: completePayment
-Description: Completes payment for a specific invoice using the given payment mode.
-Parameters:
-    - invoiceID: std::string, ID of the invoice to be paid
-    - paymentMode: util::PaymentMode, mode of payment (e.g., ONLINE, OFFLINE)
-Returns:
-    - void
-*/
 void Controller::completePayment(const std::string& invoiceID, util::PaymentMode paymentMode)
 {
-    m_paymentManagementService.completePayment(invoiceID, paymentMode);
 }
 
 /*

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/controllers/Controller.h

@@ -1,12 +1,11 @@
 /*
 File: Controller.h
-Description: Header file declaring the Controller class, which manages
+Description: Header file declaring the Controller class, which coordinates
-             user authentication, inventory, services, bookings, job cards,
+             authentication, user management, service management, inventory,
-             invoices, and notifications in the system.
+             and notifications across the Vehicle Service System.
 Author: Trenser
 Date:19-May-2026
 */
-
 #pragma once
 #include <string>
 #include "AuthenticationManagementService.h"
@@ -16,6 +15,10 @@ Date:19-May-2026
 #include "PaymentManagementService.h"
 #include "ServiceManagementService.h"
 #include "UserManagementService.h"
+#include "InventoryManagementService.h"
+#include "UserManagementService.h"
+#include "ServiceManagementService.h"
+#include "PaymentManagementService.h"
 
 class Service;
 class ComboPackage;
@@ -29,7 +32,7 @@ class Notification;
 class Controller
 {
 private:
-    AuthenticationManagementService  m_authenticationManagementService;
+    AuthenticationManagementService m_authenticationManagementService;
     UserManagementService m_userManagementService;
     ServiceManagementService m_serviceManagementService;
     InventoryManagementService m_inventoryManagementService;
@@ -40,7 +43,7 @@ public:
     void changePassword(const std::string& newPassword);
     void createCustomer(const std::string& username, const std::string& name, const std::string& password, const std::string& email, const std::string& phone);
     const User* getAuthenticatedUser();
-    void createTechnician(const std::string& username, const std::string& name, const std::string& password, const std::string& email, const std::string& phone);
+    void createTechnician(const std::string& username, const std::string& password, const std::string& email, const std::string& phone);
     void updateUserDetails(const std::string& email, const std::string& phone);
     util::Map<std::string, const Service*> getServices();
     util::Map<std::string, const ComboPackage*> getComboPackages();
@@ -49,7 +52,6 @@ public:
     util::Map<std::string, const InventoryItem*> getInventoryItems();
     const InventoryItem* getInventoryItem(const std::string& inventoryItemID);
     void addInventoryItem(const std::string& partName, int quantity, double price);
-    void addInventoryItemStock(const std::string& selectedItemId, int quantity);
     void removeInventoryItem(const std::string& inventoryItemID);
     util::Map<std::string, const ServiceBooking*> getServiceBookings();
     util::Map<std::string, const ServiceBooking*> getServiceBookingsByUser(const std::string userID);
@@ -59,13 +61,11 @@ public:
     void createService(const std::string& name, const util::Vector<std::string>& inventoryItemIDs, double laborCost);
     void removeService(const std::string& serviceID);
     util::Map<std::string, const JobCard*> getJobCardsByUser();
-    void updateJobStatus(const std::string& jobID);
+    void completeJob(const std::string& jobID);
     void removeUser(const std::string& userID);
     void createComboPackage(const std::string& name, const util::Vector<std::string>& serviceIDs, double discountPercentage);
     void removeComboPackage(const std::string& comboPackageID);
     util::Map<std::string, const Invoice*> getInvoicesByUser();
-    util::Map<std::string, const Invoice*> getAllInvoices();
-    void confirmPayment(const std::string& invoiceID);
     void completePayment(const std::string& invoiceID, util::PaymentMode paymentMode);
     util::Vector<const Notification*> getNotifications();
     void deleteNotification(const std::string& notificationID);

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/files/README.md

@@ -0,0 +1 @@
+Place files here.

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/models/Invoice.cpp

@@ -58,8 +58,8 @@ Invoice::Invoice(
     const std::string& bookingId,
     ServiceBooking* booking,
     const util::Timestamp& invoiceDate, 
-    double laborCost, 
+    double laborCost, const util::Map<std::string,
-    const util::Map<std::string, InventoryItem*>& parts,
+    InventoryItem*>& parts,
     double partsCost,
     double discountPercentage, 
     double totalAmount, 
@@ -87,6 +87,7 @@ Invoice::Invoice(
         m_partIDs.push_back(partPointers[index]->getId());
     }
 }
+
 Invoice::Invoice(
     const std::string& id,
     const std::string& bookingId,

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/models/Invoice.h

@@ -40,8 +40,8 @@ public:
         const std::string& bookingId,
         ServiceBooking* booking,
         const util::Timestamp& invoiceDate, 
-        double laborCost, 
+        double laborCost, const util::Map<std::string,
-        const util::Map<std::string,InventoryItem*>& parts,
+        InventoryItem*>& parts,
         double partsCost,
         double discountPercentage, 
         double totalAmount, 

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/models/JobCard.cpp

@@ -1,10 +1,10 @@
 /*
 File: JobCard.cpp
-Description: Implementation file containing the method definitions of the
+Description: Implements the JobCard class which represents a technician’s job assignment in the Vehicle Service Management System.
-             JobCard class, including constructors, getters, and setters
+             Provides constructors, accessors, and mutators for job details such as ID, booking, service, technician,
-             for job card attributes.
+             assigned date, completion date, and job status.
 Author: Trenser
-Date:19-May-2026
+Date: 19-May-2026
 */
 
 #include <sstream>
@@ -18,10 +18,12 @@ int JobCard::m_uid = 0;
 
 /*
 Function: JobCard
-Description: Default constructor that initializes a new job card with
+Description: Default constructor that initializes a new job card with a unique ID,
-             a unique ID and default values.
+             null booking, null service, null technician, and default job status.
-Parameter: None
+Parameters:
-Return type: Constructor
+    - None
+Returns:
+    - A new JobCard object.
 */
 JobCard::JobCard()
     : m_id("JC" + std::to_string(++m_uid)),

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/models/JobCard.h

@@ -1,16 +1,15 @@
 /*
 File: JobCard.h
-Description: Header file declaring the JobCard class, which represents
+Description: Declares the JobCard class which represents a technician’s job assignment in the Vehicle Service Management System.
-             a service job card containing booking, service, technician,
+             Each job card includes booking details, associated service, technician information, assigned and completion dates, and job status.
-             and status details.
 Author: Trenser
-Date:19-May-2026
+Date: 19-May-2026
 */
 
 #pragma once
 #include <string>
-#include "Enums.h"
 #include "Timestamp.h"
+#include "Enums.h"
 
 class ServiceBooking;
 class Service;
@@ -30,6 +29,7 @@ private:
     util::Timestamp m_assignedDate;
     util::ServiceJobStatus m_status;
     util::Timestamp m_completionDate;
+
 public:
     JobCard();
     JobCard(const std::string& bookingId,

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/models/ServiceBooking.cpp

@@ -24,10 +24,9 @@ Parameters: None
 Returns: A new ServiceBooking object.
 */
 ServiceBooking::ServiceBooking()
-    : m_id("SBK" + std::to_string(++m_uid)),
+    : m_id("SRV" + std::to_string(++m_uid)),
     m_customer(nullptr),
     m_assignedTechnician(nullptr),
-    m_status(util::ServiceJobStatus::PENDING),
     m_discountPercentage(0.0) {}
 
 /*
@@ -42,6 +41,8 @@ Parameters:
     - vehicleNumber: Vehicle registration number.
     - vehicleBrand: Brand of the vehicle.
     - vehicleModel: Model of the vehicle.
+    - assignedTechnicianId: ID of the assigned technician.
+    - assignedTechnician: Name of the assigned technician.
     - discountPercentage: Discount applied to the booking.
 Returns:
     - A new ServiceBooking object.
@@ -57,7 +58,7 @@ ServiceBooking::ServiceBooking(
     const std::string& vehicleModel,
     double discountPercentage
 )
-    : m_id("SBK" + std::to_string(++m_uid)),
+    : m_id("SRV" + std::to_string(++m_uid)),
     m_status(status),
     m_services(services),
     m_customerId(customerId),
@@ -160,12 +161,6 @@ const util::Vector<std::string>& ServiceBooking::getServiceIDs() const
     return m_serviceIDs;
 }
 
-/*
-Function: getServices
-Description: Retrieves the services associated with the booking.
-Parameter: None
-Return type: const util::Map<std::string, Service*>&
-*/
 /*
 Function: getServices
 Description: Retrieves the services associated with the booking.

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/models/ServiceBooking.h

@@ -42,6 +42,8 @@ public:
         const std::string& vehicleNumber,
         const std::string& vehicleBrand,
         const std::string& vehicleModel,
+        const std::string& assignedTechnicianId,
+        User* assignedTechnician,
         double discountPercentage
     );
     ServiceBooking(

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/services/AuthenticationManagementService.cpp

@@ -1,12 +1,11 @@
 /*
 File: AuthenticationManagementService.cpp
 Description: Implementation file containing the method definitions of the
-			 AuthenticationManagementService class, including logout and
+			 AuthenticationManagementService class, including login, logout,
-			 password change logic.
+			 password change, and retrieval of the authenticated user.
 Author: Trenser
 Date:19-May-2026
 */
-
 #include <stdexcept>
 #include "AuthenticationManagementService.h"
 #include "User.h"

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/services/AuthenticationManagementService.h

@@ -6,7 +6,6 @@ Description: Header file declaring the AuthenticationManagementService class, wh
 Author: Trenser
 Date:19-May-2026
 */
-
 #pragma once
 #include <string>
 #include "DataStore.h"

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/services/InventoryManagementService.cpp

@@ -7,7 +7,6 @@ Description: Implements the InventoryManagementService class, which manages inve
 Author: Trenser
 Date: 22-May-2026
 */
-
 #include <stdexcept>
 #include "Config.h"
 #include "Enums.h"
@@ -20,49 +19,75 @@ Date: 22-May-2026
 #include "Utility.h"
 #include "Vector.h"
 
-
 util::Map<std::string, User*> InventoryManagementService::m_observers{};
 
-/*
+void InventoryManagementService::attach(User* user)
-Function: sendLowStockAlertsToAdmins (static helper)
+{
-Description: Sends low stock alert notifications to all admin users for a given inventory item.
+	if (user)
-Parameters:
+	{
-	- inventoryManagementService: InventoryManagementService&, service used to send notifications
+		const std::string& userID = user->getId();
-	- inventoryItem: const InventoryItem*, pointer to the low-stock inventory item
+		if (m_observers.find(userID) == -1)
-	- adminUsers: const util::Vector<User*>&, list of admin users to notify
+		{
-Returns:
+			m_observers[userID] = user;
-	- None
+		}
-*/
+	}
+}
+
+void InventoryManagementService::detach(User* user)
+{
+	if (user)
+	{
+		const std::string& userID = user->getId();
+		if (m_observers.find(userID) != -1)
+		{
+			m_observers.remove(userID);
+		}
+	}
+}
+
+void InventoryManagementService::sendNotification(User* user, const std::string& title, const std::string& message)
+{
+	if (user)
+	{
+		if (m_observers.find(user->getId()) != -1)
+		{
+			Notification* notification =
+				Factory::getObject<Notification>(
+					user->getId(),
+					user,
+					"InventoryManagementService: " + title,
+					message,
+					util::Timestamp()
+				);
+			if (notification)
+			{
+				user->addNotification(notification);
+			}
+			else
+			{
+				throw std::runtime_error("Failed to create notification");
+			}
+		}
+	}
+}
+
 static void sendLowStockAlertsToAdmins(InventoryManagementService& inventoryManagementService, const InventoryItem* inventoryItem, const util::Vector<User*>& adminUsers)
 {
 	int adminUsersSize = adminUsers.getSize();
 	for (int index = 0; index < adminUsersSize; index++)
 	{
-		std::string title = "Low Stock Alert";
-		std::string message = "The inventory item with ID " + inventoryItem->getId() + " has very low quantity in the inventory";
 		inventoryManagementService.sendNotification(
 			adminUsers[index],
-			title,
+			"Low Stock Alert",
-			message
+			"The inventory item with ID " + inventoryItem->getId() +
-		);
+			" has very low quantity in the inventory"
+			);
 	}
 }
 
-/*
-Function: sendLowStockAlerts
-Description: Sends alerts to user for inventory items with low stock
-Parameters:
-	- None
-Returns:
-	- None
-*/
 void InventoryManagementService::sendLowStockAlerts()
 {
 	auto& inventoryItems = m_dataStore.getInventoryItems();
-	if (inventoryItems.isEmpty())
-	{
-		return;
-	}
 	int inventoryItemsSize = inventoryItems.getSize();
 	auto& usersMap = m_dataStore.getUsers();
 	int usersMapSize = usersMap.getSize();
@@ -80,7 +105,7 @@ void InventoryManagementService::sendLowStockAlerts()
 	{
 		throw std::runtime_error("The system has no admins present!");
 	}
-	for (int index = 0; index < inventoryItemsSize; index++)
+	for (int index = 0; index <= inventoryItemsSize; index++)
 	{
 		InventoryItem* inventoryItem = inventoryItems.getValueAt(index);
 		if (inventoryItem && inventoryItem->getQuantity() < config::threshold::INVENTORY_LOW_STOCK_THRESHOLD)
@@ -90,6 +115,7 @@ void InventoryManagementService::sendLowStockAlerts()
 	}
 }
 
+
 /*
 Function: getObserverIDs
 Description: Retrieves the IDs of all observers currently attached to the
@@ -178,164 +204,3 @@ void InventoryManagementService::saveObservers()
 {
 	util::saveObservers(config::file::INVENTORYMANAGEMENTOBSERVERS, this);
 }
-
-/*
-Function: addInventoryItem
-Description: Creates a new inventory item using the Factory and inserts it
-             into the DataStore.
-Parameter: const std::string& partName - name of the part
-           int quantity - initial quantity of the part
-           double price - price of the part
-Return type: void
-*/
-void InventoryManagementService::addInventoryItem(const std::string& partName, int quantity, double price)
-{
-    InventoryItem* newItem = Factory::getObject<InventoryItem>(partName, quantity, price);
-    m_dataStore.getInventoryItems().insert(newItem->getId(), newItem);
-}
-
-/*
-Function: addInventoryItemStock
-Description: Increases the stock quantity of an existing inventory item.
-Parameter: const std::string& selectedItemId - ID of the inventory item
-           int quantity - quantity to add
-Return type: void
-*/
-void InventoryManagementService::addInventoryItemStock(const std::string& selectedItemId, int quantity)
-{
-    int index = m_dataStore.getInventoryItems().find(selectedItemId);
-    if (index != -1)
-    {
-        InventoryItem* item = m_dataStore.getInventoryItems().getValueAt(index);
-        if (item != nullptr)
-        {
-            int totalQuantity = item->getQuantity() + quantity;
-            item->setQuantity(totalQuantity);
-        }
-    }
-}
-
-/*
-Function: getInventoryItems
-Description: Retrieves all inventory items stored in the DataStore.
-Parameter: None
-Return type: util::Map<std::string, InventoryItem*>
-*/
-util::Map<std::string, InventoryItem*> InventoryManagementService::getInventoryItems()
-{
-	return m_dataStore.getInventoryItems();
-}
-
-/*
-Function: removeInventoryItem
-Description: Marks an inventory item as inactive instead of deleting it.
-Parameter: const std::string& inventoryItemID - ID of the inventory item
-Return type: void
-*/
-void InventoryManagementService::removeInventoryItem(const std::string& inventoryItemID)
-{
-    int index = m_dataStore.getInventoryItems().find(inventoryItemID);
-    if (index != -1)
-    {
-        InventoryItem* item = m_dataStore.getInventoryItems().getValueAt(index);
-        if (item != nullptr)
-        {
-            item->setState(util::State::INACTIVE);
-        }
-    }
-}
-
-/*
-Function: getInventoryItem
-Description: Retrieves a specific inventory item by its ID from the DataStore.
-Parameter: const std::string& inventoryItemID - ID of the inventory item
-Return type: InventoryItem*
-*/
-InventoryItem* InventoryManagementService::getInventoryItem(const std::string& inventoryItemID)
-{
-    int index = m_dataStore.getInventoryItems().find(inventoryItemID);
-    if (index != -1)
-    {
-        return m_dataStore.getInventoryItems().getValueAt(index);
-    }
-    return nullptr;
-}
-
-/*
-Function: attach
-Description: Adds a user to the observer list for receiving inventory notifications.
-Parameters:
-	- user: User*, pointer to the user to be attached as an observer
-Returns:
-	- None
-*/
-void InventoryManagementService::attach(User* user)
-{
-	if (user)
-	{
-		const std::string& userID = user->getId();
-		if (m_observers.find(userID) == -1)
-		{
-			m_observers[userID] = user;
-		}
-	}
-}
-
-/*
-Function: detach
-Description: Removes a user from the observer list so they no longer receive inventory notifications.
-Parameters:
-	- user: User*, pointer to the user to be detached from the observer list
-Returns:
-	- None
-*/
-void InventoryManagementService::detach(User* user)
-{
-	if (user)
-	{
-		const std::string& userID = user->getId();
-		if (m_observers.find(userID) != -1)
-		{
-			m_observers.remove(userID);
-		}
-	}
-}
-
-/*
-Function: sendNotification
-Description: Sends a notification to a user if they are subscribed as an observer.
-Parameters:
-	- user: User*, pointer to the user receiving the notification
-	- title: std::string, title of the notification
-	- message: std::string, body/content of the notification
-Returns:
-	- None
-Throws:
-	- std::runtime_error if notification creation fails
-*/
-void InventoryManagementService::sendNotification(User* user, const std::string& title, const std::string& message)
-{
-	if (user)
-	{
-		if (m_observers.find(user->getId()) != -1)
-		{
-			Notification* notification =
-				Factory::getObject<Notification>(
-					user->getId(),
-					user,
-					title,
-					message,
-					util::Timestamp()
-				);
-			if (notification)
-			{
-				user->addNotification(notification);
-			}
-			else
-			{
-				throw std::runtime_error("Failed to create notification");
-			}
-		}
-	}
-}
-

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/services/InventoryManagementService.h

@@ -1,10 +1,9 @@
 /*
 File: InventoryManagementService.h
-Description: Header file declaring the InventoryManagementService class,
+Description: Declares the InventoryManagementService class which manages inventory operations in the Vehicle Service Management System.
-             which manages inventory items, stock updates, and notifications
+             Provides functionality to retrieve, add, and remove inventory items, send low stock alerts, and handle notifications using the Observer pattern.
-             related to low stock alerts. Inherits from NotificationManagementService.
 Author: Trenser
-Date:19-May-2026
+Date: 19-May-2026
 */
 
 #pragma once
@@ -28,7 +27,6 @@ public:
     InventoryItem* getInventoryItem(const std::string& inventoryItemID);
     void addInventoryItem(const std::string& partName, int quantity, double price);
     void removeInventoryItem(const std::string& inventoryItemID);
-    void addInventoryItemStock(const std::string& selectedItemId, int quantity);
     void sendLowStockAlerts();
     void sendNotification(User* user, const std::string& title, const std::string& message) override;
     void attach(User* user) override;

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/services/PaymentManagementService.cpp

@@ -12,16 +12,14 @@ Date: 20-May-2026
 #include "Enums.h"
 #include "Factory.h"
 #include "FileManager.h"
-#include "InventoryItem.h"
 #include "Invoice.h"
-#include "JobCard.h"
 #include "PaymentManagementService.h"
-#include "Service.h"
 #include "ServiceBooking.h"
 #include "Timestamp.h"
 #include "User.h"
 #include "Utility.h"
 
+
 util::Map<std::string, User*> PaymentManagementService::m_observers{};
 
 /*
@@ -86,7 +84,7 @@ void PaymentManagementService::sendNotification(User* user, const std::string& t
 				Factory::getObject<Notification>(
 					user->getId(),
 					user,
-					title,
+					"PaymentManagementService: " + title,
 					message,
 					util::Timestamp()
 				);
@@ -130,9 +128,9 @@ void PaymentManagementService::sendPaymentReminders()
 					User* customer = serviceBooking->getCustomer();
 					if (customer)
 					{
-						std::string title = "Payment Reminder";
+						sendNotification(customer,
-						std::string message = "Your payment for Invoice ID " + invoice->getId() + " is still pending. Please complete the payment.";
+							"Payment Reminder",
-						sendNotification(customer, title, message);
+							"Your payment for Invoice ID " + invoice->getId() + " is still pending.Please complete the payment." + invoice->getId());
 					}
 				}
 			}
@@ -256,176 +254,3 @@ void PaymentManagementService::saveObservers()
 {
     util::saveObservers(config::file::PAYMENTMANAGEMENTOBSERVERS, this);
 }
-
-/*
-Function: createInventoryItemsMap (static helper)
-Description: Builds a map of inventory items required for a given service and adds them to the booking’s inventory map.
-Parameters:
-	- completeInventoryItemMapOfBooking: util::Map<std::string, InventoryItem*>&, map to store inventory items for the booking
-	- currentService: const Service*, pointer to the current service
-Returns:
-	- void
-*/
-static void createInventoryItemsMap(util::Map<std::string, InventoryItem*>& completeInventoryItemMapOfBooking, const Service* currentService)
-{
-	auto& currentRequiredInventoryItems = currentService->getRequiredInventoryItems();
-	for (int iterator = 0; iterator < currentRequiredInventoryItems.getSize(); iterator++)
-	{
-		auto& currentRequiredInventoryItem = currentRequiredInventoryItems.getValueAt(iterator);
-		completeInventoryItemMapOfBooking.insert(currentRequiredInventoryItem->getId(), currentRequiredInventoryItem);
-	}
-}
-
-/*
-Function: generateInvoice
-Description: Generates an invoice for a completed service booking.
-			 Validates that all job cards are completed, calculates labor and parts cost, applies discount,
-			 and stores the invoice in the datastore.
-Parameters:
-	- booking: ServiceBooking*, pointer to the service booking
-Returns:
-	- void
-Throws:
-	- std::runtime_error if booking is null or job cards are incomplete
-*/
-void PaymentManagementService::generateInvoice(ServiceBooking* booking)
-{
-	if (!booking)
-	{
-		throw std::runtime_error("Invoice generation failed: booking is null.");
-	}
-	double totalLaborCost = 0, totalPartsCost = 0, totalServiceCost = 0;
-	double discountPercentage = booking->getDiscountPercentage();
-	std::string bookingID = booking->getId();
-	util::Map<std::string, Service*> servicesInTheBookedService = booking->getServices();
-	util::Map<std::string, InventoryItem*> completeInventoryItemMapOfBooking;
-	util::Map<std::string, JobCard*> currentJobCards = m_dataStore.getJobCards();
-	for (int iterator = 0; iterator < currentJobCards.getSize(); iterator++)
-	{
-		JobCard* currentJobCard = currentJobCards.getValueAt(iterator);
-		util::ServiceJobStatus currentJobCardStatus = currentJobCard->getStatus();
-		if (currentJobCard->getBookingId() == bookingID && currentJobCardStatus != util::ServiceJobStatus::CANCELLED && currentJobCardStatus != util::ServiceJobStatus::COMPLETED)
-		{
-			throw std::runtime_error("Invoice generation failed: Not all job cards are completed for booking '" + bookingID + "'.");
-		}
-	}
-	for (int iterator = 0; iterator < servicesInTheBookedService.getSize(); iterator++)
-	{
-		Service* currentService = servicesInTheBookedService.getValueAt(iterator);
-		if (currentService)
-		{
-			createInventoryItemsMap(completeInventoryItemMapOfBooking, currentService);
-			totalLaborCost += currentService->getLaborCost();
-			totalPartsCost += util::calculatePartsCost(currentService);
-		}
-	}
-	totalServiceCost = totalLaborCost + totalPartsCost;
-	totalServiceCost -= (totalServiceCost * (discountPercentage / 100));
-	Invoice* invoice = Factory::getObject<Invoice>(bookingID, booking, util::Timestamp(), totalLaborCost, completeInventoryItemMapOfBooking, totalPartsCost, discountPercentage, totalServiceCost, util::Timestamp(), util::PaymentMode::NOTSET, util::PaymentStatus::PENDING);
-	util::Map<std::string, Invoice*>& currentInvoices = m_dataStore.getInvoices();
-	currentInvoices.insert(invoice->getId(), invoice);
-}
-
-/*
-Function: getInvoices
-Description: Retrieves all invoices associated with a specific customer.
-Parameters:
-	- customerID: std::string, ID of the customer
-Returns:
-	- util::Map<std::string, Invoice*> containing the customer’s invoices
-*/
-util::Map<std::string, Invoice*> PaymentManagementService::getInvoices(const std::string& customerID)
-{
-	util::Map<std::string, Invoice*>& currentInvoices = m_dataStore.getInvoices();
-	util::Map<std::string, Invoice*> currentUserInvoices;
-	for (int iterator = 0; iterator < currentInvoices.getSize(); iterator++)
-	{
-		Invoice* currentInvoice = currentInvoices.getValueAt(iterator);
-		if (currentInvoice->getBooking()->getCustomerId() == customerID)
-		{
-			currentUserInvoices.insert(currentInvoice->getId(), currentInvoice);
-		}
-	}
-	return currentUserInvoices;
-}
-
-/*
-Function: completePayment
-Description: Completes payment for a specific invoice. Updates payment method, date, and status,
-			 then sends a notification to the customer.
-Parameters:
-	- invoiceID: std::string, ID of the invoice
-	- paymentMode: util::PaymentMode, mode of payment (e.g., ONLINE, OFFLINE)
-Returns:
-	- void
-Throws:
-	- std::runtime_error if the invoice ID is invalid
-*/
-void PaymentManagementService::completePayment(const std::string& invoiceID, util::PaymentMode paymentMode)
-{
-	auto& currentInvoices = m_dataStore.getInvoices();
-	int invoiceIndex = currentInvoices.find(invoiceID);
-	if (invoiceIndex != -1)
-	{
-		Invoice* invoice = currentInvoices.getValueAt(invoiceIndex);
-		if (invoice && invoice->getStatus() != util::PaymentStatus::PAID)
-		{
-			User* currentUser = invoice->getBooking()->getCustomer();
-			invoice->setPaymentMethod(paymentMode);
-			invoice->setPaymentDate(util::Timestamp());
-			invoice->setStatus(util::PaymentStatus::PAID);
-			std::string title, message;
-			title = "Payment successful";
-			message = "Payment successful for Invoice ID " + invoiceID;
-			sendNotification(currentUser, title, message);
-		}
-	}
-	else
-	{
-		throw std::runtime_error("Payment failed: invalid invoice ID.");
-	}
-}
-
-/*
-Function: getAllInvoice
-Description: Provides access to all invoices stored in the data store.
-Parameters:
-	- none
-Returns:
-	- util::Map<std::string, Invoice*>&: Map of invoice IDs to invoice objects
-*/
-util::Map<std::string, Invoice*>& PaymentManagementService::getAllInvoices()
-{
-	return m_dataStore.getInvoices();
-}
-
-/*
-Function: confirmPayment
-Description: Confirms payment for a specific invoice. Updates payment date and status,
-			 then sends a notification to the customer.
-Parameters:
-	- invoiceID: std::string, ID of the invoice to confirm
-Returns:
-	- void
-Throws:
-	- std::runtime_error if the invoice ID is invalid
-*/
-void PaymentManagementService::confirmPayment(const std::string& invoiceID)
-{
-	auto& currentInvoices = m_dataStore.getInvoices();
-	int invoiceIndex = currentInvoices.find(invoiceID);
-	if (invoiceIndex == -1)
-	{
-		throw std::runtime_error("Payment confirmation failed: invalid invoice ID.");
-	}
-	Invoice* invoice = currentInvoices.getValueAt(invoiceIndex);
-	if (!invoice || invoice->getStatus() != util::PaymentStatus::PAID)
-	{
-		throw std::runtime_error("Payment confirmation failed: invoice is not awaiting confirmation.");
-	}
-	User* currentUser = invoice->getBooking()->getCustomer();
-	invoice->setStatus(util::PaymentStatus::COMPLETED);
-	std::string title = "Payment Confirmed";
-	std::string message = "Payment Confirmed for Invoice ID " + invoiceID;
-	sendNotification(currentUser, title, message);
-}

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/services/PaymentManagementService.h

@@ -28,8 +28,6 @@ public:
     void generateInvoice(ServiceBooking* booking);
     util::Map<std::string, Invoice*> getInvoices(const std::string& customerID);
     void completePayment(const std::string& invoiceID, util::PaymentMode paymentMode);
-    util::Map<std::string, Invoice*>& getAllInvoices();
-    void confirmPayment(const std::string& invoiceID);
     void sendPaymentReminders();
     void sendNotification(User* user, const std::string& title, const std::string& message) override;
     void attach(User* user) override;

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/services/ServiceManagementService.cpp

@@ -11,20 +11,14 @@ Date:19-May-2026
 #include "AuthenticationManagementService.h"
 #include "ComboPackage.h"
 #include "Config.h"
-#include "DataStore.h"
-#include "Enums.h"
 #include "Factory.h"
 #include "FileManager.h"
-#include "InventoryItem.h"
 #include "JobCard.h"
-#include "NotificationManagementService.h"
-#include "PaymentManagementService.h"
 #include "Service.h"
 #include "ServiceBooking.h"
 #include "ServiceManagementService.h"
 #include "Timestamp.h"
 #include "User.h"
-#include "UserManagementService.h"
 #include "Utility.h"
 
 /*
@@ -60,15 +54,15 @@ void ServiceManagementService::purchaseService(const util::Vector<std::string>&
 		Service* service = servicesMap.getValueAt(serviceIndex);
 		selectedServices[service->getId()] = service;
 	}
-	ServiceBooking* serviceBooking = Factory::getObject<ServiceBooking>(util::ServiceJobStatus::PENDING, selectedServices, authenticatedUser->getId(), authenticatedUser, vehicleNumber, vehicleBrand, vehicleModel, 0);
+	ServiceBooking* serviceBooking = Factory::getObject<ServiceBooking>(util::ServiceJobStatus::STARTED, selectedServices, authenticatedUser->getId(), authenticatedUser, vehicleNumber, vehicleBrand, vehicleModel, 0);
 	if (serviceBooking == nullptr)
 	{
 		throw std::runtime_error("Failed to create service booking");
 	}
 	serviceBookingMap[serviceBooking->getId()] = serviceBooking;
-    std::string title = "Service Booking succeeded";
+	sendNotification(authenticatedUser,
-    std::string message = "Your service booking has been successfully placed with ID " + serviceBooking->getId();
+		"Service Booking succeeded",
-    sendNotification(authenticatedUser, title, message);
+		"Your service booking has been successfully placed with ID " + serviceBooking->getId());
 }
 
 /*
@@ -99,15 +93,15 @@ void ServiceManagementService::purchaseComboPackage(const std::string& comboPack
 	}
 	const ComboPackage* comboPackage = comboPackagesMap[comboPackageID];
 	util::Map<std::string, Service*> selectedServices = comboPackage->getServices();
-	ServiceBooking* serviceBooking = Factory::getObject<ServiceBooking>(util::ServiceJobStatus::PENDING, selectedServices, authenticatedUser->getId(), authenticatedUser, vehicleNumber, vehicleBrand, vehicleModel, comboPackage->getDiscountPercentage());
+	ServiceBooking* serviceBooking = Factory::getObject<ServiceBooking>(util::ServiceJobStatus::STARTED, selectedServices, authenticatedUser->getId(), authenticatedUser, vehicleNumber, vehicleBrand, vehicleModel, comboPackage->getDiscountPercentage());
 	if (serviceBooking == nullptr)
 	{
 		throw std::runtime_error("Failed to create combo package service booking");
 	}
 	serviceBookingMap[serviceBooking->getId()] = serviceBooking;
-    std::string title = "Combo Package Service Booking succeeded";
+	sendNotification(authenticatedUser,
-    std::string message = "Your service booking for the combo package has been successfully placed with ID " + serviceBooking->getId();
+		"Combo Package Service Booking succeeded",
-    sendNotification(authenticatedUser, title, message);
+		"Your service booking for the combo package has been successfully placed with ID " + serviceBooking->getId());
 }
 
 util::Map<std::string, User*> ServiceManagementService::m_observers{};
@@ -174,7 +168,7 @@ void ServiceManagementService::sendNotification(User* user, const std::string& t
 				Factory::getObject<Notification>(
 					user->getId(),
 					user,
-					title,
+					"ServiceManagementService: " + title,
 					message,
 					util::Timestamp()
 				);
@@ -506,651 +500,3 @@ void ServiceManagementService::saveObservers()
 {
     util::saveObservers(config::file::SERVICEMANAGEMENTOBSERVERS, this);
 }
-
-/*
-Function: restoreInventory
-Description: Restores inventory quantities for all required items in the services associated
-             with a given booking. Each item's quantity is incremented by a fixed value.
-Parameter: ServiceBooking* booking - Pointer to the booking whose inventory items need to be restored
-Return type: void
-*/
-static void restoreInventory(ServiceBooking* booking)
-{
-    const int INCREMENT_VALUE = 1;
-    if (!booking) 
-    {
-        return;
-    }
-    const auto& services = booking->getServices();
-    for (int serviceIterator = 0; serviceIterator < services.getSize(); ++serviceIterator)
-    {
-        Service* service = services.getValueAt(serviceIterator);
-        if (!service) 
-        {
-            continue;
-        }
-        const auto& items = service->getRequiredInventoryItems();
-        for (int InventoryIterator = 0; InventoryIterator < items.getSize(); ++InventoryIterator)
-        {
-            InventoryItem* item = items.getValueAt(InventoryIterator);
-            if (item)
-            {
-                item->setQuantity(item->getQuantity() + INCREMENT_VALUE);
-            }
-        }
-    }
-}
-
-/*
-Function: processBookingCancellation
-Description: Cancels jobs and updates the status of a given booking. Sends notifications to the
-             specified user, resets technician assignment if needed, and restores inventory items.
-Parameter: ServiceBooking* booking - Pointer to the booking being cancelled
-           util::ServiceJobStatus newServiceBookingStatus - New status to assign to the booking
-           const std::string& notificationTitle - Title of the booking cancellation notification
-           const std::string& notificationMessage - Message body of the booking cancellation notification
-           User* notifyUser - User to notify about the cancellation
-           util::ServiceJobStatus jobCardStatus - New status to assign to associated job cards
-           const std::string& jobNotificationTitle - Title of the job cancellation notification
-           const std::string& jobNotificationMessage - Message body of the job cancellation notification
-           util::Map<std::string, JobCard*>& jobs - Collection of job cards to update
-           ServiceManagementService& currentService - Reference to the service for sending notifications
-Return type: void
-*/
-static void processBookingCancellation(ServiceBooking* booking,
-    util::ServiceJobStatus newServiceBookingStatus,
-    const std::string& notificationTitle,
-    const std::string& notificationMessage,
-    User* notifyUser,
-    util::ServiceJobStatus jobCardStatus,
-    const std::string& jobNotificationTitle,
-    const std::string& jobNotificationMessage,
-    util::Map<std::string, JobCard*>& jobs, ServiceManagementService& currentService)
-{
-    if (!booking || !notifyUser)
-    {
-        return;
-    }
-    for (int jobIterator = 0; jobIterator < jobs.getSize(); ++jobIterator)
-    {
-        JobCard* jobCard = jobs.getValueAt(jobIterator);
-        if (jobCard && jobCard->getBookingId() == booking->getId())
-        {
-            jobCard->setStatus(jobCardStatus);
-            currentService.sendNotification(notifyUser, jobNotificationTitle, jobNotificationMessage);
-        }
-    }
-    booking->setStatus(newServiceBookingStatus);
-    currentService.sendNotification(notifyUser, notificationTitle, notificationMessage);
-    if (newServiceBookingStatus == util::ServiceJobStatus::PENDING)
-    {
-        booking->setAssignedTechnician(nullptr);
-        booking->setAssignedTechnicianId("");
-    }
-    restoreInventory(booking);
-}
-
-/*
-Function: cancelCustomerServiceBookings
-Description: Cancels all service bookings associated with a given customer or technician.
-             Updates booking status, resets customer/technician assignments, sends notifications,
-             and restocks inventory items.
-Parameter: const std::string& userID - ID of the customer or technician
-Return type: void
-*/
-void ServiceManagementService::cancelCustomerServiceBookings(const std::string& customerID)
-{
-    auto& users = m_dataStore.getUsers();
-    int userIndex = users.find(customerID);
-    if (userIndex == -1)
-    {
-        throw std::runtime_error("User not found: " + customerID);
-    }
-    User* customer = users.getValueAt(userIndex);
-    if (!customer)
-    {
-        throw std::runtime_error("User not found: " + customerID);
-    }
-    auto& bookings = m_dataStore.getServiceBookings();
-    auto& jobs = m_dataStore.getJobCards();
-    for (int iteratorOne = 0; iteratorOne < bookings.getSize(); iteratorOne++)
-    {
-        ServiceBooking* booking = bookings.getValueAt(iteratorOne);
-        if (!booking)
-        {
-            continue;
-        }
-        if (booking->getCustomerId() != customerID)
-        {
-            continue;
-        }
-        if (booking->getStatus() != util::ServiceJobStatus::PENDING && booking->getStatus() != util::ServiceJobStatus::STARTED)
-        {
-            continue;
-        }
-        User* assignedTechnician = booking->getAssignedTechnician();
-        std::string titleToTechnician = "Customer Service Cancelled";
-        std::string messageToTechnician = "The customer has cancelled their service booking. Your assigned job card has been cancelled and the inventory has been restocked.";
-        std::string jobTitle = "Job Cancelled";
-        std::string jobMessage = "The job has been cancelled. Your job card has been cancelled and the inventory has been restocked.";
-        processBookingCancellation(booking, 
-            util::ServiceJobStatus::CANCELLED,
-            titleToTechnician, messageToTechnician, assignedTechnician,
-            util::ServiceJobStatus::CANCELLED,
-            jobTitle, jobMessage, jobs, *this
-        );
-    }
-}
-
-/*
-Function: cancelTechnicianJobs
-Description: Cancels all jobs assigned to a technician. Updates job status, sends notifications,
-             and restocks inventory items used in the service.
-Parameter: const std::string& technicianID - ID of the technician
-Return type: void
-*/
-void ServiceManagementService::cancelTechnicianJobs(const std::string& technicianID)
-{
-    auto& users = m_dataStore.getUsers();
-    int userIndex = users.find(technicianID);
-    if (userIndex == -1)
-    {
-        throw std::runtime_error("User not found: " + technicianID);
-    }
-    User* technician = users.getValueAt(userIndex);
-    if (!technician)
-    {
-        throw std::runtime_error("User not found: " + technicianID);
-    }
-    auto& bookings = m_dataStore.getServiceBookings();
-    auto& jobs = m_dataStore.getJobCards();
-    for (int iteratorOne = 0; iteratorOne < bookings.getSize(); iteratorOne++)
-    {
-        ServiceBooking* booking = bookings.getValueAt(iteratorOne);
-        if (!booking)
-        {
-            continue;
-        }
-        std::string technicianId = booking->getAssignedTechnicianId();
-        if (technicianId != technicianID)
-        {
-            continue;
-        }
-        if (booking->getStatus() != util::ServiceJobStatus::PENDING && booking->getStatus() != util::ServiceJobStatus::STARTED)
-        {
-            continue;
-        }
-        User* customer = booking->getCustomer();
-        if (!customer)
-        {
-            continue;
-        }
-        std::string title = "Technician Unavailable";
-        std::string message = "Your assigned technician is no longer available. Your booking has been reset to pending and we will reassign a new technician shortly.";
-        processBookingCancellation(booking,
-            util::ServiceJobStatus::PENDING,
-            title, message, customer,
-            util::ServiceJobStatus::CANCELLED,
-            title, message, jobs, *this
-        );
-    }
-}
-
-/*
-Function: createComboPackage
-Description: Creates a new combo package with two services and a discount percentage.
-             Validates service IDs, ensures uniqueness, and inserts the new package into the DataStore.
-Parameter: const std::string& packageName - name of the combo package
-           const util::Vector<std::string>& serviceIDsInNewCombo - list of service IDs
-           double discountPercentage - discount percentage for the package
-Return type: void
-*/
-void ServiceManagementService::createComboPackage(const std::string& packageName, const util::Vector<std::string>& serviceIDsInNewCombo, double discountPercentage)
-{
-    if (packageName.empty())
-    {
-        throw std::invalid_argument("The Combo Package Name cannot be empty.\n");
-    }
-    if (serviceIDsInNewCombo.getSize() < 2 || serviceIDsInNewCombo.getSize() > 2)
-    {
-        throw std::invalid_argument("Combo package must contain only two services.");
-    }
-    if (discountPercentage < 0.0 || discountPercentage > 100.0)
-    {
-        throw std::invalid_argument("Discount percentage must be between 0 and 100.");
-    }
-    auto& servicesMap = m_dataStore.getServices();
-    for (int index = 0; index < serviceIDsInNewCombo.getSize(); index++)
-    {
-        const std::string serviceid = serviceIDsInNewCombo[index];
-        if (servicesMap.find(serviceid) == -1)
-        {
-            throw std::runtime_error("Service ID not found: " + serviceid);
-        }
-    }
-    auto& comboPackageMap = m_dataStore.getComboPackages();
-    for (int iterator = 0; iterator < comboPackageMap.getSize(); iterator++)
-    {
-        ComboPackage* existingCombos = comboPackageMap.getValueAt(iterator);
-        const util::Map<std::string, Service*>& servicesInsideExistingCombos = existingCombos->getServices();
-        if (servicesInsideExistingCombos.getSize() == serviceIDsInNewCombo.getSize())
-        {
-            bool isIdentical = true;
-            for (int serviceIterator = 0; serviceIterator < serviceIDsInNewCombo.getSize(); serviceIterator++)
-            {
-                const std::string& id = serviceIDsInNewCombo[serviceIterator];
-                if (servicesInsideExistingCombos.find(id) == -1)
-                {
-                    isIdentical = false;
-                    break;
-                }
-            }
-            if (isIdentical)
-            {
-                throw std::runtime_error("A combo package with the same services already exists.");
-            }
-        }
-    }
-    util::Map<std::string, Service*> selectedServices;
-    for (int iteratorOne = 0; iteratorOne < serviceIDsInNewCombo.getSize(); iteratorOne++)
-    {
-        const std::string& serviceId = serviceIDsInNewCombo[iteratorOne];
-        int serviceIndex = servicesMap.find(serviceId);
-        if (serviceIndex == -1)
-        {
-            throw std::runtime_error("Service ID not found: " + serviceId);
-        }
-        selectedServices.insert(serviceId, servicesMap.getValueAt(serviceIndex));
-    }
-    ComboPackage* newComboPackage = Factory::getObject<ComboPackage>(packageName, discountPercentage, selectedServices);
-    comboPackageMap.insert(newComboPackage->getId(), newComboPackage);
-}
-
-/*
-Function: getComboPackages
-Description: Retrieves all combo packages stored in the DataStore.
-Parameter: None
-Return type: util::Map<std::string, ComboPackage*>
-*/
-util::Map<std::string, ComboPackage*> ServiceManagementService::getComboPackages()
-{
-    return m_dataStore.getComboPackages();
-}
-
-/*
-Function: removeComboPackage
-Description: Removes a combo package by marking it inactive. Throws an exception if the package ID is not found.
-Parameter: const std::string& comboPackageID - ID of the combo package
-Return type: void
-*/
-void ServiceManagementService::removeComboPackage(const std::string& comboPackageID)
-{
-    bool removed = false;
-    util::Map<std::string, ComboPackage*>& currentComboPackages = m_dataStore.getComboPackages();
-    for (int iterator = 0; iterator < currentComboPackages.getSize(); iterator++)
-    {
-        ComboPackage* currentComboPackage = currentComboPackages.getValueAt(iterator);
-        if (currentComboPackage && currentComboPackage->getId() == comboPackageID)
-        {
-            currentComboPackage->setState(util::State::INACTIVE);
-            removed = true;
-            break;
-        }
-    }
-    if (!removed)
-    {
-        throw std::runtime_error("Combo package with ID '" + comboPackageID + "' not found.");
-    }
-}
-
-/*
-Function: getServiceBookings
-Description: Retrieves all service bookings from the datastore.
-Parameters:
-	- None
-Returns:
-	- util::Map<std::string, ServiceBooking*> containing all service bookings
-*/
-util::Map<std::string, ServiceBooking*> ServiceManagementService::getServiceBookings()
-{
-	return m_dataStore.getServiceBookings();
-}
-
-/*
-Function: getServiceBooking
-Description: Retrieves a specific service booking by its ID.
-Parameters:
-	- serviceID: std::string, ID of the service booking
-Returns:
-	- ServiceBooking*: Pointer to the service booking, or nullptr if not found
-*/
-ServiceBooking* ServiceManagementService::getServiceBooking(const std::string& serviceID)
-{
-	auto currentServiceBookings = getServiceBookings();
-	for (int iterator = 0; iterator < currentServiceBookings.getSize(); iterator++)
-	{
-		if (currentServiceBookings.getValueAt(iterator)->getId() == serviceID)
-		{
-			return currentServiceBookings.getValueAt(iterator);
-		}
-	}
-	return nullptr;
-}
-
-/*
-Function: createJobCard
-Description: Creates a job card for a given service booking, service, and technician.
-			 Validates booking, service, technician, and inventory availability before creation.
-Parameters:
-	- bookingID: std::string, ID of the service booking
-	- technicianID: std::string, ID of the technician
-	- serviceID: std::string, ID of the service
-Returns:
-	- void
-Throws:
-	- std::runtime_error if booking, service, technician, or inventory validation fails
-*/
-void ServiceManagementService::createJobCard(const std::string& bookingID, const std::string& technicianID, const std::string& serviceID)
-{
-	UserManagementService m_userManagementService;
-	ServiceBooking* currentBooking = getServiceBooking(bookingID);
-	auto& currentJobCards = m_dataStore.getJobCards();
-	if (currentBooking == nullptr)
-	{
-		throw std::runtime_error("Service Booking not available");
-	}
-	auto& currentServices = currentBooking->getServices();
-	if (currentServices.find(serviceID) == -1)
-	{
-		throw std::runtime_error("Invalid service Id");
-	}
-	Service* currentService = currentServices.getValueAt(currentServices.find(serviceID));
-	User* selectedTechnician = m_userManagementService.getUser(technicianID);
-	if (selectedTechnician == nullptr)
-	{
-		throw std::runtime_error("Technician not available");
-	}
-	auto& inventoryItems = currentService->getRequiredInventoryItems();
-	for (int iterator = 0; iterator < inventoryItems.getSize(); iterator++)
-	{
-		InventoryItem* currentInventoryItem = inventoryItems.getValueAt(iterator);
-		if (currentInventoryItem && currentInventoryItem->getQuantity() == 0)
-		{
-			std::string errorMessage = "Failed to create job card, " + currentInventoryItem->getPartName() + " is out of stock.";
-			throw std::runtime_error(errorMessage);
-		}
-	}
-	for (int iterator = 0; iterator < inventoryItems.getSize(); iterator++)
-	{
-		InventoryItem* currentInventoryItem = inventoryItems.getValueAt(iterator);
-		if (currentInventoryItem)
-		{
-			int currentStockQuantity = currentInventoryItem->getQuantity();
-			currentInventoryItem->setQuantity(currentStockQuantity - 1);
-		}
-	}
-	currentBooking->setAssignedTechnician(selectedTechnician);
-	currentBooking->setAssignedTechnicianId(selectedTechnician->getId());
-    if (currentBooking->getStatus() == util::ServiceJobStatus::PENDING)
-    {
-        currentBooking->setStatus(util::ServiceJobStatus::STARTED);
-    }
-	std::string title = "Job card created";
-	std::string message = "Job card created for the service and you are assigned for that.";
-	JobCard* jobCard = Factory::getObject<JobCard>(bookingID, currentBooking, currentService, serviceID, technicianID, selectedTechnician, util::Timestamp(), util::ServiceJobStatus::STARTED, util::Timestamp());
-	if (jobCard)
-	{
-		currentJobCards.insert(jobCard->getId(), jobCard);
-		sendNotification(selectedTechnician, title, message);
-	}
-	else
-	{
-		throw std::runtime_error("Failed to create job card.");
-	}
-    title = "Technician assigned";
-    message = "A technician has been assigned to your Service Booking with ID " + bookingID;
-    sendNotification(currentBooking->getCustomer(), title, message);
-}
-
-/*
-Function: createService
-Description: Creates a new service with associated inventory items and labor cost.
-			 Validates inventory items before creation.
-Parameters:
-	- name: std::string, name of the service
-	- inventoryItemIDs: util::Vector<std::string>, IDs of required inventory items
-	- laborCost: double, labor cost for the service
-Returns:
-	- void
-Throws:
-	- std::runtime_error if inventory items are not found or service creation fails
-*/
-void ServiceManagementService::createService(const std::string& name, const util::Vector<std::string>& inventoryItemIDs, double laborCost)
-{
-	util::Map<std::string, InventoryItem*> currentServiceInventoryItems;
-	auto inventoryItems = m_dataStore.getInventoryItems();
-	for (int iteratorOne =0; iteratorOne < inventoryItemIDs.getSize(); iteratorOne++)
-	{
-		std::string currentItemID = inventoryItemIDs[iteratorOne];
-		bool itemFound = false;
-		for (int iteratorTwo = 0; iteratorTwo < inventoryItems.getSize(); iteratorTwo++)
-		{
-			InventoryItem* currentInventoryItem = inventoryItems.getValueAt(iteratorTwo);
-			if (currentInventoryItem && currentInventoryItem->getId() == currentItemID)
-			{
-				itemFound = true;
-				currentServiceInventoryItems.insert(currentInventoryItem->getId(), currentInventoryItem);
-				break;
-			}
-		}
-		if (!itemFound)
-		{
-			throw std::runtime_error("Inventory item with ID '" + currentItemID + "' not found.");
-		}
-	}
-	Service* newService = Factory::getObject<Service>(name, currentServiceInventoryItems, laborCost);
-	if (newService == nullptr)
-	{
-		throw std::runtime_error("Unable to create new service.");
-	}
-	util::Map<std::string, Service*>& currentServices = m_dataStore.getServices();
-	if (currentServices.find(newService->getId()) != -1)
-	{
-		throw std::runtime_error("Service with this ID Already exists.");
-	}
-	currentServices.insert(newService->getId(), newService);
-}
-
-/*
-Function: getServices
-Description: Retrieves all services from the datastore.
-Parameters:
-	- None
-Returns:
-	- util::Map<std::string, Service*> containing all services
-*/
-util::Map<std::string, Service*> ServiceManagementService::getServices()
-{
-	return m_dataStore.getServices();
-}
-
-/*
-Function: removeService
-Description: Marks a service as inactive by its ID.
-Parameters:
-	- serviceID: std::string, ID of the service
-Returns:
-	- void
-Throws:
-	- std::runtime_error if the service is not found
-*/
-void ServiceManagementService::removeService(const std::string& serviceID)
-{
-	util::Map<std::string, Service*>& currentServices = m_dataStore.getServices();
-    util::Map<std::string, ComboPackage*>& currentComboPackages =  m_dataStore.getComboPackages();
-	if (currentServices.find(serviceID) != -1)
-	{
-		currentServices.getValueAt(currentServices.find(serviceID))->setState(util::State::INACTIVE);
-        for (int iterator = 0; iterator < currentComboPackages.getSize(); iterator++)
-        {
-            ComboPackage* currentComboPackage = currentComboPackages.getValueAt(iterator);
-            if (currentComboPackage && currentComboPackage->getState() == util::State::ACTIVE)
-            {
-                util::Map<std::string, Service*> currentServices = currentComboPackage->getServices();
-                for (int iterator = 0; iterator < currentServices.getSize(); iterator++)
-                {
-                    auto currentService = currentServices.getValueAt(iterator);
-                    if (currentService->getId() == serviceID)
-                    {
-                        currentComboPackage->setState(util::State::INACTIVE);
-                        break;
-                    }
-                }
-            }
-        }
-	}
-	else
-	{
-		throw std::runtime_error("Service not found.");
-	}
-}
-
-/*
-Function: getServiceBookings (overloaded)
-Description: Retrieves all service bookings for a specific customer.
-Parameters:
-	- customerID: std::string, ID of the customer
-Returns:
-	- util::Map<std::string, ServiceBooking*> containing bookings for the customer
-*/
-util::Map<std::string, ServiceBooking*> ServiceManagementService::getServiceBookings(const std::string& customerID)
-{
-	util::Map<std::string, ServiceBooking*> currentServiceBookings = getServiceBookings();
-	util::Map<std::string, ServiceBooking*> currentUserServiceBookings;
-	if (currentServiceBookings.getSize() != 0)
-	{
-		for (int iterator = 0; iterator < currentServiceBookings.getSize(); iterator++)
-		{
-			auto currentServiceBooking = currentServiceBookings.getValueAt(iterator);
-			if (currentServiceBooking->getCustomerId() == customerID)
-			{
-				currentUserServiceBookings.insert(currentServiceBooking->getId(), currentServiceBooking);
-			}
-		}
-	}
-	return currentUserServiceBookings;
-}
-
-/*
-Function: getJobCards
-Description: Retrieves all job cards assigned to a specific technician.
-Parameters:
-	- technicianID: std::string, ID of the technician
-Returns:
-	- util::Map<std::string, JobCard*> containing job cards assigned to the technician
-*/
-util::Map<std::string, JobCard*> ServiceManagementService::getJobCards(const std::string& technicianID)
-{
-	util::Map<std::string, JobCard*> jobCards = m_dataStore.getJobCards();
-	util::Map<std::string, JobCard*> technicianJobCards;
-	for (int iterator = 0; iterator < jobCards.getSize(); iterator++)
-	{
-		JobCard* currentJobCard = jobCards.getValueAt(iterator);
-		if (currentJobCard->getTechnicianId() == technicianID)
-		{
-			technicianJobCards.insert(currentJobCard->getId(), currentJobCard);
-		}
-	}
-	return technicianJobCards;
-}
-
-/*
-Function: hasCompletedAllJobs (static helper)
-Description: Checks if all job cards for a given service booking are completed.
-Parameters:
-	- bookingId: std::string, ID of the service booking
-	- currentAssignedJobs: util::Map<std::string, JobCard*>&, map of assigned job cards
-Returns:
-	- bool: True if all job cards are completed, False otherwise
-*/
-static bool hasCompletedAllJobs(std::string bookingId, util::Map<std::string, JobCard*>& currentAssignedJobs)
-{
-	for (int iterator = 0; iterator < currentAssignedJobs.getSize(); iterator++)
-	{
-		JobCard* currentJob = currentAssignedJobs.getValueAt(iterator);
-		if (currentJob->getBookingId() == bookingId)
-		{
-			if (currentJob->getStatus() != util::ServiceJobStatus::COMPLETED && currentJob->getStatus() != util::ServiceJobStatus::CANCELLED)
-			{
-				return false;
-			}
-		}
-	}
-	return true;
-}
-
-/*
-Function: updateJobStatus
-Description:
-    Updates the status of a job card assigned to the currently authenticated technician.
-    - If the job is STARTED, it moves to IN_PROGRESS.
-    - If the job is IN_PROGRESS, it moves to COMPLETED.
-    When all jobs in a service booking are completed, the booking status is updated,
-    an invoice is generated, and a notification is sent to the customer.
-Parameters:
-    - jobID: const std::string&, unique identifier of the job card to update.
-Returns:
-    - void
-*/
-void ServiceManagementService::updateJobStatus(const std::string& jobID)
-{
-	AuthenticationManagementService authenticationManagementService;
-	PaymentManagementService paymentManagementService;
-	bool jobStatusUpdated = false, serviceBookingCompleted;
-	JobCard* currentJob;
-	User* currentTechnician = authenticationManagementService.getAuthenticatedUser();
-	if (currentTechnician == nullptr)
-	{
-		throw std::runtime_error("Unable to fetch current technician.");
-	}
-	util::Map<std::string, JobCard*> currentAssignedJobs = getJobCards(currentTechnician->getId());
-	if (currentAssignedJobs.getSize() == 0)
-	{
-		throw std::runtime_error("No job cards assigned to the technician.");
-	}
-	if (currentAssignedJobs.find(jobID) != -1)
-	{
-		currentJob = currentAssignedJobs.getValueAt(currentAssignedJobs.find(jobID));
-		if (currentJob == nullptr)
-		{
-			throw std::runtime_error("Unable to fetch current job.");
-		}
-		if (currentJob->getStatus() == util::ServiceJobStatus::STARTED)
-		{
-			currentJob->setStatus(util::ServiceJobStatus::IN_PROGRESS);
-			jobStatusUpdated = true;
-		}
-        else if (currentJob->getStatus() == util::ServiceJobStatus::IN_PROGRESS)
-        {
-            currentJob->setStatus(util::ServiceJobStatus::COMPLETED);
-            jobStatusUpdated = true;
-            serviceBookingCompleted = hasCompletedAllJobs(currentJob->getBookingId(), currentAssignedJobs);
-            if (serviceBookingCompleted)
-            {
-                currentJob->getBooking()->setStatus(util::ServiceJobStatus::COMPLETED);
-                paymentManagementService.generateInvoice(currentJob->getBooking());
-                std::string title = "Service Booking completed. Invoice Generated.";
-                std::string message = "Services completed for the booking and invoice generated.";
-                sendNotification(currentJob->getBooking()->getCustomer(), title, message);
-            }
-        }
-	}
-	else
-	{
-		throw std::runtime_error("Failed to update job status. Job may already be completed.");
-	}
-	if (!jobStatusUpdated)
-	{
-		throw std::runtime_error("Failed to update job status. Job may already be completed.");
-	}
-}

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/services/ServiceManagementService.h

@@ -6,7 +6,6 @@ Description: Header file declaring the ServiceManagementService class, which man
 Author: Trenser
 Date:19-May-2026
 */
-
 #pragma once
 #include <string>
 #include "Map.h"
@@ -32,15 +31,14 @@ public:
     void purchaseComboPackage(const std::string& comboPackageID, const std::string& vehicleNumber, const std::string& vehicleBrand, const std::string& vehicleModel);
     util::Map<std::string, ServiceBooking*> getServiceBookings();
     util::Map<std::string, ServiceBooking*> getServiceBookings(const std::string& customerID);
-    ServiceBooking* getServiceBooking(const std::string& serviceID);
     void createJobCard(const std::string& bookingID, const std::string& technicianID, const std::string& serviceID);
     void createService(const std::string& name, const util::Vector<std::string>& inventoryItemIDs, double laborCost);
     void removeService(const std::string& serviceID);
     util::Map<std::string, JobCard*> getJobCards(const std::string& technicianID);
-    void updateJobStatus(const std::string& jobID);
+    void completeJob(const std::string& jobID);
     void cancelCustomerServiceBookings(const std::string& customerID);
     void cancelTechnicianJobs(const std::string& technicianID);
-    void createComboPackage(const std::string& packageName, const util::Vector<std::string>& serviceIDs, double discountPercentage);
+    void createComboPackage(const std::string& name, const util::Vector<std::string>& serviceIDs, double discountPercentage);
     void removeComboPackage(const std::string& comboPackageID);
     void sendNotification(User* user, const std::string& title, const std::string& message) override;
     void attach(User* user) override;

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/services/UserManagementService.cpp

@@ -6,7 +6,6 @@ Description: Implementation file containing the method definitions of the
 Author: Trenser
 Date:19-May-2026
 */
-
 #include <stdexcept>
 #include "Config.h"
 #include "Enums.h"
@@ -19,7 +18,7 @@ Date:19-May-2026
 #include "User.h"
 #include "UserManagementService.h"
 #include "Vector.h"
-#include "Validator.h"
+
 
 /*
 Function: ensureAdminExists
@@ -74,18 +73,16 @@ void UserManagementService::createUser(const std::string& username, const std::s
 	PaymentManagementService paymentManagementService;
 	ServiceManagementService serviceManagementService;
 	auto& usersMap = m_dataStore.getUsers();
-	if (util::isUsernameDuplicate(username, usersMap))
+	int index = usersMap.findIf(
+		[&](const std::string&, User* user)
+		{
+			return user->getUserName() == username;
+		}
+	);
+	if (index != -1)
 	{
 		throw std::runtime_error("Username already exists");
 	}
-	if (util::isEmailDuplicate(email, usersMap))
-	{
-		throw std::runtime_error("Email already exists");
-	}
-	if (util::isPhoneDuplicate(phone, usersMap))
-	{
-		throw std::runtime_error("Phone already exists");
-	}
 	User* newUser = Factory::getObject<User>(username, password, name, phone, email, type);
 	usersMap.insert(newUser->getId(), newUser);
 	paymentManagementService.attach(newUser);
@@ -111,23 +108,9 @@ void UserManagementService::updateUserDetails(const std::string& userID, const s
 	int index = usersMap.find(userID);
 	if (index == -1)
 	{
-		throw std::runtime_error("User does not exist!\n");
+		throw std::runtime_error("User does not exist!");
 	}
 	User* user = usersMap.getValueAt(index);
-	if (email != user->getEmail())
-	{
-		if (util::isEmailDuplicate(email, usersMap))
-		{
-			throw std::runtime_error("Email already exists!\n");
-		}
-	}
-	if (phone != user->getPhone())
-	{
-		if (util::isPhoneDuplicate(phone, usersMap))
-		{
-			throw std::runtime_error("Phone number already exists!\n");
-		}
-	}
 	user->setEmail(email);
 	user->setPhone(phone);
 }
@@ -261,78 +244,3 @@ void UserManagementService::saveUsers()
     userFileManager.save(users);
     notificationFileManager.save(notifications);
 }
-
-/*
-Function: getUsers
-Description: Retrieves all users stored in the DataStore.
-Parameter: None
-Return type: util::Map<std::string, User*>
-*/
-util::Map<std::string, User*> UserManagementService::getUsers()
-{
-	return m_dataStore.getUsers();
-}
-
-/*
-Function: getUser
-Description: Retrieves a specific user by ID from the DataStore.
-Parameter: const std::string& userID - ID of the user
-Return type: User*
-*/
-User* UserManagementService::getUser(const std::string& userID)
-{
-	int index = m_dataStore.getUsers().find(userID);
-	if (index != -1)
-	{
-		return m_dataStore.getUsers().getValueAt(index);
-	}
-	return nullptr;
-}
-
-/*
-Function: removeUser
-Description: Marks a user as inactive in the DataStore instead of deleting them.
-Parameter: const std::string& userID - ID of the user to remove
-Return type: void
-*/
-void UserManagementService::removeUser(const std::string& userID)
-{
-	InventoryManagementService inventoryManagementService;
-	PaymentManagementService paymentManagementService;
-	ServiceManagementService serviceManagementService;
-	int index = m_dataStore.getUsers().find(userID);
-	if (index != -1)
-	{
-		User* user = m_dataStore.getUsers().getValueAt(index);
-		if (user != nullptr)
-		{
-			if (user->getUserType() == util::UserType::CUSTOMER)
-			{
-				serviceManagementService.cancelCustomerServiceBookings(userID);	
-			}
-			if (user->getUserType() == util::UserType::TECHNICIAN)
-			{
-				serviceManagementService.cancelTechnicianJobs(userID);
-			}
-			user->setState(util::State::INACTIVE);
-			inventoryManagementService.detach(user);
-			paymentManagementService.detach(user);
-			serviceManagementService.detach(user);
-		}
-	}
-}
-
-util::Map<std::string, User*> UserManagementService::getUsers(util::UserType type)
-{
-	util::Map<std::string, User*>& currentUsers = m_dataStore.getUsers();
-	util::Map<std::string, User*> filteredUsersMap;
-	for (int iterator = 0; iterator < currentUsers.getSize(); iterator++)
-	{
-		User* currentUser = currentUsers.getValueAt(iterator);
-		if (currentUser && currentUser->getState() == util::State::ACTIVE && currentUser->getUserType() == type)
-		{
-			filteredUsersMap.insert(currentUser->getId(), currentUser);
-		}
-	}
-	return filteredUsersMap;
-}

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/utilities/Config.h

@@ -15,7 +15,7 @@ namespace config
 	{
 		constexpr const char* DEFAULT_ADMIN_USERNAME = "admin";
 		constexpr const char* DEFAULT_ADMIN_NAME = "admin";
-		constexpr const char* DEFAULT_ADMIN_PASSWORD = "admin";
+		constexpr const char* DEFAULT_ADMIN_PASSWORD = "";
 		constexpr const char* DEFAULT_ADMIN_EMAIL = "admin@vss";
 		constexpr const char* DEFAULT_ADMIN_PHONE = "0000000000";
 	}

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/utilities/Enums.h

@@ -22,24 +22,19 @@ namespace util
 	enum class PaymentMode
 	{
 		ONLINE,
-		OFFLINE,
+		OFFLINE
-        NOTSET
 	};
 
 	enum class PaymentStatus
 	{
 		PENDING,
-		COMPLETED,
+		COMPLETED
-        PAID
 	};
 
 	enum class ServiceJobStatus
 	{
-        PENDING,
 		STARTED,
-		COMPLETED,
+		COMPLETED
-        IN_PROGRESS,
-        CANCELLED
 	};
 
     enum class State
@@ -113,8 +108,6 @@ namespace util
             return "ONLINE";
         case PaymentMode::OFFLINE:
             return "OFFLINE";
-        case PaymentMode::NOTSET:
-            return "NOTSET";
         }
         throw std::invalid_argument("Invalid PaymentMode");
     }
@@ -139,10 +132,6 @@ namespace util
         {
             return PaymentMode::OFFLINE;
         }
-        if (value == "NOTSET")
-        {
-            return PaymentMode::NOTSET;
-        }
         throw std::invalid_argument("Invalid PaymentMode string");
     }
 
@@ -162,8 +151,6 @@ namespace util
             return "PENDING";
         case PaymentStatus::COMPLETED:
             return "COMPLETED";
-        case PaymentStatus::PAID:
-            return "PAID";
         }
         throw std::invalid_argument("Invalid PaymentStatus");
     }
@@ -205,16 +192,10 @@ namespace util
     {
         switch (status)
         {
-        case ServiceJobStatus::PENDING:
-            return "PENDING";
         case ServiceJobStatus::STARTED:
             return "STARTED";
         case ServiceJobStatus::COMPLETED:
             return "COMPLETED";
-        case ServiceJobStatus::CANCELLED:
-            return "CANCELLED";
-        case ServiceJobStatus::IN_PROGRESS:
-            return "IN_PROGRESS";
         }
         throw std::invalid_argument("Invalid ServiceJobStatus");
     }
@@ -239,18 +220,6 @@ namespace util
         {
             return ServiceJobStatus::COMPLETED;
         }
-        if (value == "PENDING")
-        {
-            return ServiceJobStatus::PENDING;
-        }
-        if (value == "CANCELLED")
-        {
-            return ServiceJobStatus::CANCELLED;
-        }
-        if (value == "IN_PROGRESS")
-        {
-            return ServiceJobStatus::IN_PROGRESS;
-        }
         throw std::invalid_argument("Invalid ServiceJobStatus string");
     }
 

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/utilities/FileHelper.h

@@ -11,39 +11,10 @@ Date: 22-May-2026
 #include <fstream>
 #include <string>
 #include <stdexcept>
-#include <direct.h>
 #include "Vector.h"
 
 namespace util
 {
-    /*
-    Function: ensureDirectoryExists
-    Description: Creates all missing directories present in the given file path.
-                Iteratively parses the path and creates each directory level
-                using _mkdir() before file operations are performed.
-    Parameters:
-        - filePath: const std::string&, relative or absolute file path
-    Returns:
-        - void
-    Throws:
-        - None (_mkdir failures are intentionally ignored if directory already exists)
-    */
-    inline void ensureDirectoryExists(const std::string& filePath)
-    {
-        size_t position = 0;
-
-        while ((position = filePath.find('/', position)) != std::string::npos)
-        {
-            std::string directory = filePath.substr(0, position);
-
-            if (!directory.empty())
-            {
-                (void)_mkdir(directory.c_str());
-            }
-            position++;
-        }
-    }
-
     /*
     Function: loadRecords
     Description: Loads records from a given file path into a vector of strings.
@@ -61,7 +32,6 @@ namespace util
         std::ifstream file(filePath);
         if (!file.is_open())
         {
-            ensureDirectoryExists(filePath);
             std::ofstream newFile(filePath);
             newFile.close();
             file.open(filePath);

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/utilities/FileManager.h

@@ -11,11 +11,9 @@ Date: 22-May-2026
 
 #pragma once
 #include <stdexcept>
-#include <string>
 #include <fstream>
 #include "Vector.h"
 #include "Map.h"
-#include "FileHelper.h"
 
 namespace util
 {
@@ -52,7 +50,6 @@ namespace util
 		std::ifstream file(m_filePath);
 		if (!file.is_open())
 		{
-			ensureDirectoryExists(m_filePath);
 			std::ofstream newFile(m_filePath);
 			newFile.close();
 			file.open(m_filePath);

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/utilities/InputHelper.h

@@ -62,7 +62,6 @@ namespace util
      */
     inline void pressEnter()
     {
-        std::cout << std::endl;
         system("pause");
     }
 }

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/utilities/OutputHelper.h

@@ -21,28 +21,4 @@ namespace util
     {
         std::cout << "\x1B[2J\x1B[H" << std::flush;
     }
-
-    /*
-    Function: truncateString
-    Description:
-        Truncates a string if its length exceeds the given maximum length.
-        The truncated string ends with "..." to indicate omitted characters.
-    Parameters:
-        - text: const std::string&, input string to truncate
-        - maxLength: size_t, maximum allowed length of the returned string
-    Returns:
-        - std::string: Original string if within limit, otherwise truncated string with "..."
-    */
-    inline std::string truncateString(const std::string& text, size_t maxLength)
-    {
-        if (text.length() <= maxLength)
-        {
-            return text;
-        }
-        if (maxLength <= 3)
-        {
-            return std::string(maxLength, '.');
-        }
-        return text.substr(0, maxLength - 3) + "...";
-    }
 }

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/utilities/Utility.h

@@ -1,12 +1,12 @@
 /*
 File: Utility.h
-Description: Header file declaring utility functions used across the system
+Description: Header file declaring utility functions used across the system,
+             including cost calculation for services and combo packages.
 Author: Trenser
 Date:19-May-2026
 */
 
 #pragma once
-#include "ComboPackage.h"
 #include "DataStore.h"
 #include "FileHelper.h"
 #include "InventoryItem.h"
@@ -25,78 +25,77 @@ namespace util
     inline double calculatePartsCost(const Service* service)
     {
         double cost = 0;
-        auto& requiredInventoryItems = service->getRequiredInventoryItems();
+    auto& requiredInventoryItems = service->getRequiredInventoryItems();
-        int requiredInventoryItemsSize = requiredInventoryItems.getSize();
+    int requiredInventoryItemsSize = requiredInventoryItems.getSize();
-        for (int index = 0; index < requiredInventoryItemsSize; index++)
+    for (int index = 0; index < requiredInventoryItemsSize; index++)
-        {
-            cost += requiredInventoryItems.getValueAt(index)->getPrice();
-        }
-        return cost;
-    }
-
-    /*
-    Function: calculateComboServiceEstimatedCost
-    Description: Calculates the estimated total cost of a combo package by summing
-                  the labor and parts costs of all services included in the package.
-    Parameter: const ComboPackage* comboPackage - pointer to the combo package object
-    Return type: double - estimated total cost of the combo package
-    */
-    inline double calculateComboServiceEstimatedCost(const ComboPackage* comboPackage)
-    {
-        double cost = 0;
-        auto& services = comboPackage->getServices();
-        int servicesSize = services.getSize();
-        for (int index = 0; index < servicesSize; index++)
-        {
-            const Service* service = services.getValueAt(index);
-            cost += calculatePartsCost(service) + service->getLaborCost();
-        }
-        return cost;
-    }
-
-    /*
-    Function: loadObservers
-    Description: Loads observer IDs from a file and attaches the corresponding users
-                 to the notification management service. Validates that each observer ID
-                 exists in the datastore before attaching.
-    Parameters:
-        - filePath: const std::string&, path to the file containing observer IDs
-        - service: NotificationManagementService*, pointer to the notification service
-        - dataStore: DataStore&, reference to the datastore containing users
-    Returns:
-        - void
-    Throws:
-        - std::runtime_error if an observer ID is invalid (not found in datastore)
-    */
-    inline void loadObservers(const std::string& filePath, NotificationManagementService* service, DataStore& dataStore)
-    {
-        auto observerIDs = util::loadRecords(filePath);
-        auto& users = dataStore.getUsers();
-        for (int index = 0; index < observerIDs.getSize(); index++)
-        {
-            const std::string& observerID = observerIDs[index];
-            int userIndex = users.find(observerID);
-            if (userIndex == -1)
             {
-                throw std::runtime_error("Invalid Observer ID");
+        cost += requiredInventoryItems.getValueAt(index)->getPrice();
-            }
-            service->attach(users.getValueAt(userIndex));
         }
+    return cost;
     }
 
     /*
-    Function: saveObservers
+Function: calculateComboServiceEstimatedCost
-    Description: Saves the current observer IDs from the notification management service
+Description: Calculates the estimated total cost of a combo package by summing
-                 to a file for persistence.
+             the labor and parts costs of all services included in the package.
-    Parameters:
+Parameter: const ComboPackage* comboPackage - pointer to the combo package object
-        - filePath: const std::string&, path to the file where observer IDs will be saved
+Return type: double - estimated total cost of the combo package
-        - service: NotificationManagementService*, pointer to the notification service
-    Returns:
-        - void
     */
-    inline void saveObservers(const std::string& filePath, NotificationManagementService* service)
+inline double calculateComboServiceEstimatedCost(const ComboPackage* comboPackage)
+{
+    double cost = 0;
+    auto& services = comboPackage->getServices();
+    int servicesSize = services.getSize();
+    for (int index = 0; index < servicesSize; index++)
     {
-        auto observerIDs = service->getObserverIDs();
+        const Service* service = services.getValueAt(index);
-        util::saveRecords(filePath, observerIDs);
+        cost += calculatePartsCost(service) + service->getLaborCost();
+    }
+    return cost;
+}
+
+/*
+Function: loadObservers
+Description: Loads observer IDs from a file and attaches the corresponding users
+             to the notification management service. Validates that each observer ID
+             exists in the datastore before attaching.
+Parameters:
+    - filePath: const std::string&, path to the file containing observer IDs
+    - service: NotificationManagementService*, pointer to the notification service
+    - dataStore: DataStore&, reference to the datastore containing users
+Returns:
+    - void
+Throws:
+    - std::runtime_error if an observer ID is invalid (not found in datastore)
+*/
+inline void loadObservers(const std::string& filePath, NotificationManagementService* service, DataStore& dataStore)
+{
+    auto observerIDs = util::loadRecords(filePath);
+    auto& users = dataStore.getUsers();
+    for (int index = 0; index < observerIDs.getSize(); index++)
+    {
+        const std::string& observerID = observerIDs[index];
+        int userIndex = users.find(observerID);
+        if (userIndex == -1)
+        {
+            throw std::runtime_error("Invalid Observer ID");
+        }
+        service->attach(users.getValueAt(userIndex));
     }
 }
+
+/*
+Function: saveObservers
+Description: Saves the current observer IDs from the notification management service
+             to a file for persistence.
+Parameters:
+    - filePath: const std::string&, path to the file where observer IDs will be saved
+    - service: NotificationManagementService*, pointer to the notification service
+Returns:
+    - void
+*/
+inline void saveObservers(const std::string& filePath, NotificationManagementService* service)
+{
+    auto observerIDs = service->getObserverIDs();
+    util::saveRecords(filePath, observerIDs);
+}

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/utilities/Validator.cpp

@@ -107,69 +107,3 @@ bool util::isPasswordValid(const std::string& password)
 
     return hasUpper && hasLower && hasDigit && hasSpecial;
 }
-
-/*
- * Function: isUsernameDuplicate
- * Description: Checks if the given username already exists among active users.
- * Parameters:
- *     username - string containing the username to validate
- *     usersMap - map of user objects keyed by identifier
- * Returns:
- *     bool - true if the username is already in use by an active user, false otherwise
- * Notes:
- *     - Only considers users with state util::State::ACTIVE
- */
-bool util::isUsernameDuplicate(const std::string& username, const util::Map<std::string, User*>& usersMap)
-{
-    int index = usersMap.findIf(
-        [&](const std::string&, User* user)
-        {
-            return (user->getUserName() == username && user->getState() == util::State::ACTIVE);
-        }
-    );
-    return index != -1;
-}
-
-/*
- * Function: isPhoneDuplicate
- * Description: Checks if the given phone number already exists among active users.
- * Parameters:
- *     phone - string containing the phone number to validate
- *     usersMap - map of user objects keyed by identifier
- * Returns:
- *     bool - true if the phone number is already in use by an active user, false otherwise
- * Notes:
- *     - Only considers users with state util::State::ACTIVE
- */
-bool util::isPhoneDuplicate(const std::string& phone, const util::Map<std::string, User*>& usersMap)
-{
-    int index = usersMap.findIf(
-        [&](const std::string&, User* user)
-        {
-            return (user->getPhone() == phone && user->getState() == util::State::ACTIVE);
-        }
-    );
-    return index != -1;
-}
-
-/*
- * Function: isEmailDuplicate
- * Description: Checks if the given email address already exists among active users.
- * Parameters:
- *     email - string containing the email address to validate
- *     usersMap - map of user objects keyed by identifier
- * Returns:
- *     bool - true if the email address is already in use by an active user, false otherwise
- * Notes:
- *     - Only considers users with state util::State::ACTIVE
- */
-bool util::isEmailDuplicate(const std::string& email, const util::Map<std::string, User*>& usersMap)
-{
-    int index = usersMap.findIf(
-        [&](const std::string&, User* user)
-        {
-            return (user->getEmail() == email && user->getState() == util::State::ACTIVE);
-        }
-    );
-    return index != -1;
-}

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/utilities/Validator.h

@@ -9,15 +9,10 @@
 #include<string>
 #include<algorithm>
 #include<cctype>
-#include "Map.h"
-#include "User.h"
 
 namespace util
 {
 	bool isPhoneNumberValid(const std::string&);
 	bool isEmailValid(const std::string&);
 	bool isPasswordValid(const std::string&);
-	bool isUsernameDuplicate(const std::string&, const util::Map<std::string, User*>&);
-	bool isPhoneDuplicate(const std::string&, const util::Map<std::string, User*>&);
-	bool isEmailDuplicate(const std::string&, const util::Map<std::string, User*>&);
 }

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/AdminMenu.cpp

@@ -8,740 +8,100 @@ Author: Trenser
 Date: 19-May-2026
 */
 
-#include <iomanip>
-#include <iostream>
 #include "AdminMenu.h"
-#include "Enums.h"
 #include "InputHelper.h"
-#include "InventoryItem.h"
-#include "MenuHelper.h"
 #include "OutputHelper.h"
-#include "Service.h"
+#include "MenuHelper.h"
-#include "ServiceBooking.h"
-#include "User.h"
-#include "Utility.h"
-#include "Validator.h"
 
 /*
 Function: showMenu
-Description: Displays the admin menu and handles user input until logout is selected.
+Description: Displays the admin menu in a loop until the user chooses to logout.
-Parameter: None
+			 Handles exceptions and ensures smooth user interaction.
-Return type: void
+Parameters:
+	- None
+Returns:
+	- void
 */
 void AdminMenu::showMenu()
 {
-    while (true)
+	bool isMenuActive = true;
-    {
+	while (isMenuActive)
-        try
+	{
-        {
+		try
-            int choice;
+		{
-            util::clear();
+			int choice;
-            std::cout << "Admin Menu"
+			util::clear();
-                << "\n1. View Stock Levels"
+			std::cout << "" << std::endl;
-                << "\n2. Add Inventory Item"
+			util::read(choice);
-                << "\n3. Remove Inventory Item"
+			if (!handleOperation(choice))
-                << "\n4. Check Stock Availability"
+			{
-                << "\n5. Assign Job to Technician"
+				isMenuActive = false;
-                << "\n6. Display Users"
+			}
-                << "\n7. Add Technician"
+		}
-                << "\n8. Remove Customer/Technician"
+		catch (const std::exception& e)
-                << "\n9. Display Services"
+		{
-                << "\n10. Create Service"
+			std::cout << "Exception: " << e.what() << std::endl;
-                << "\n11. Remove Service"
+			util::pressEnter();
-                << "\n12. Display Combo Packages"
+		}
-                << "\n13. Create Combo Package"
+	}
-                << "\n14. Remove Combo Package"
-                << "\n15. View Notifications"
-                << "\n16. Change Password"
-				<< "\n17. Confirm Payment"
-                << "\n18. Logout"
-                << "\nEnter a choice: ";
-            util::read(choice);
-            if (!handleOperation(choice))
-            {
-                break;
-            }
-        }
-        catch (const std::exception& e)
-        {
-            std::cout << "Exception: " << e.what() << std::endl;
-            util::pressEnter();
-        }
-    }
 }
 
-/*
-Function: handleOperation
-Description: Executes the corresponding admin operation based on the selected menu choice.
-Parameter: int choice - selected menu option
-Return type: bool - true if menu continues, false if logout
-*/
 bool AdminMenu::handleOperation(int choice)
 {
-    switch (choice)
+	return false;
-    {
-    case 1:
-        viewStockLevels();
-        break;
-    case 2:
-        addInventoryItem();
-        break;
-    case 3:
-        removeInventoryItem();
-        break;
-    case 4:
-        checkStockAvailability();
-        break;
-    case 5:
-        assignJob();
-        break;
-    case 6:
-        displayUsers();
-        break;
-    case 7:
-        addTechnician();
-        break;
-    case 8:
-        removeUser();
-        break;
-    case 9:
-        displayServices();
-        break;
-    case 10:
-        createService();
-        break;
-    case 11:
-        removeService();
-        break;
-    case 12:
-        displayComboPackages();
-        break;
-    case 13:
-        createComboPackages();
-        break;
-    case 14:
-        removeComboPackage();
-        break;
-    case 15:
-        viewNotifications();
-        break;
-    case 16:
-        changePassword();
-        break;
-	case 17:
-		confirmPayment();
-		break;
-    case 18:
-        logout();
-        return false;
-    default:
-        std::cout << "Enter a valid choice!" << std::endl;
-        util::pressEnter();
-    }
-    return true;
 }
 
-/*
+
-Function: logout
-Description: Logs out the currently authenticated admin user.
-Parameter: None
-Return type: void
-*/
 void AdminMenu::logout()
 {
-	m_controller.logout();
 }
 
-/*
-Function: changePassword
-Description: Allows the admin to change their password after validation.
-Parameter: None
-Return type: void
-*/
 void AdminMenu::changePassword()
 {
-	changePasswordHelper(m_controller);
 }
 
-/*
-Function: viewStockLevels
-Description: Displays all active inventory items with their details
-             including ID, part name, quantity, and price.
-Parameter: None
-Return type: void
-*/
 void AdminMenu::viewStockLevels()
 {
-    util::clear();
-	auto inventoryItems = m_controller.getInventoryItems();
-	bool hasActiveItems = false;
-	std::cout << "View Stock Levels" << std::endl;
-	if (inventoryItems.isEmpty())
-	{
-		std::cout << "No items found in Inventory.\n";
-		util::pressEnter();
-		return;
-	}
-	for (int index = 0; index < inventoryItems.getSize(); index++)
-	{
-		const InventoryItem* item = inventoryItems.getValueAt(index);
-		if (item->getState() == util::State::ACTIVE)
-		{
-			hasActiveItems = true;
-			break;
-		}
-	}
-	if (!hasActiveItems)
-	{
-		std::cout << "No active Inventory Item found.\n";
-		util::pressEnter();
-		return;
-	}
-	std::cout << std::left << std::setw(15) << "Item ID"
-		<< std::setw(25) << "Part Name"
-		<< std::setw(15) << "Quantity"
-		<< std::setw(15) << "Price"
-		<< std::endl;
-	for (int iterator = 0; iterator < inventoryItems.getSize(); ++iterator)
-	{
-		const InventoryItem* item = inventoryItems.getValueAt(iterator);
-		if (item != nullptr)
-		{
-			if (item->getState() != util::State::INACTIVE)
-			{
-				std::cout << std::left << std::setw(15) << item->getId()
-					<< std::setw(25) << item->getPartName()
-					<< std::setw(15) << item->getQuantity()
-					<< std::setw(15) << item->getPrice()
-					<< std::endl;
-			}
-		}
-	}
-	std::cout << "\n";
-	util::pressEnter();
 }
 
-/*
-Function: addInventoryItem
-Description: Allows the admin to either add a new inventory item
-             or increase the quantity of an existing item.
-Parameter: None
-Return type: void
-*/
 void AdminMenu::addInventoryItem()
 {
-	util::clear();
-	int choice, quantity;
-	double price;
-	std::string partName;
-	std::cout << "Add Inventory Item\n";
-	std::cout << "1. Add new item \n2. Restock Item\n\nEnter your choice : ";
-	util::read(choice);
-	switch (choice)
-	{
-	case 1:
-	{
-		util::clear();
-		std::cout << "Enter Item Details\n";
-		std::cout << "Part Name : ";
-		util::read(partName);
-		std::cout << "Quantity : ";
-		util::read(quantity);
-		std::cout << "Price : ";
-		util::read(price);
-		m_controller.addInventoryItem(partName, quantity, price);
-		std::cout << "\nNew Item " << partName << " added to the Inventory.\n\n";
-		break;
-	}
-	case 2:
-	{
-		util::clear();
-		std::cout << "Select Item to Restock\n";
-		auto inventoryItems = m_controller.getInventoryItems();
-		addQuantityToItem(inventoryItems, m_controller);
-		break;
-	}
-	default:
-	{
-		std::cout << "\nEnter a valid choice.\n\n";
-	}
-	}
-	util::pressEnter();
 }
 
-/*
-Function: removeInventoryItem
-Description: Removes an active inventory item by marking it inactive
-             after user selection.
-Parameter: None
-Return type: void
-*/
 void AdminMenu::removeInventoryItem()
 {
-    util::clear();
-	std::cout << "Remove Inventory Item\n";
-    auto inventoryItems = m_controller.getInventoryItems();
-    auto activeItems = filterActiveItems(inventoryItems);
-    int activeItemsSize = activeItems.getSize();
-    if (activeItemsSize == 0)
-    {
-        std::cout << "No items available in Inventory." << std::endl;
-        util::pressEnter();
-        return;
-    }
-    displayInventoryWithItems(activeItems);
-    int itemIndex;
-    std::cout << "Enter the index of the item to remove: ";
-    util::read(itemIndex);
-    if (itemIndex < 1 || itemIndex > activeItemsSize)
-    {
-        std::cout << "Invalid index selected." << std::endl;
-        util::pressEnter();
-        return;
-    }
-    const InventoryItem* selectedItem = activeItems.getValueAt(itemIndex - 1);
-    if (selectedItem != nullptr)
-    {
-        if(selectedItem->getState() != util::State::INACTIVE)
-        {
-            std::string selectedItemId = selectedItem->getId();
-            m_controller.removeInventoryItem(selectedItemId);
-            std::cout << "Item " << selectedItem->getPartName() << " removed successfully." << std::endl;
-        }
-    }
-    util::pressEnter();
 }
 
-/*
-Function: checkStockAvailability
-Description: Checks if a specific inventory item is available
-             and displays its details if active.
-Parameter: None
-Return type: void
-*/
 void AdminMenu::checkStockAvailability()
 {
-	util::clear();
-	std::string itemId;
-	std::cout << "Check Stock Availability \n";
-	std::cout << "Enter the Item ID : ";
-	util::read(itemId);
-	util::clear();
-	const InventoryItem* selectedItem = m_controller.getInventoryItem(itemId);
-	if (selectedItem != nullptr)
-	{
-		if (selectedItem->getState() != util::State::INACTIVE)
-		{
-			std::cout << "Item Details\n";
-			std::cout << "---------------------------------------------\n";
-			std::cout << "Item ID      : " << selectedItem->getId() << "\n";
-			std::cout << "Part Name    : " << selectedItem->getPartName() << "\n";
-			std::cout << "Quantity     : " << selectedItem->getQuantity() << "\n";
-		}
-	}
-	else
-	{
-		std::cout << "Item not Found" << std::endl;
-	}
-	util::pressEnter();
 }
 
-/*
-Function: assignJob
-Description: Allows the admin to assign pending service bookings to available technicians.
-			 Creates job cards for selected services.
-Parameters:
-	- None
-Returns:
-	- void
-*/
 void AdminMenu::assignJob()
 {
-	util::clear();
-	std::cout << "Assign Job to Technician\n";
-	std::string selectedService;
-	bool hasPendingService = false;
-	auto currentBookings = m_controller.getServiceBookings();
-	auto pendingServiceBookings = filterActiveServiceBookings(currentBookings);
-	auto availableTechnicians = m_controller.getUsers(util::UserType::TECHNICIAN);
-	int bookingsSize = pendingServiceBookings.getSize();
-	util::Map<int, const ServiceBooking*> serviceBookingsMap;
-	util::Map<int, const User*> currentAvailableTechniciansMap;
-	if (listServiceBookings(pendingServiceBookings, bookingsSize, serviceBookingsMap))
-	{
-		const ServiceBooking* selectedService = selectPendingServiceBookings(serviceBookingsMap);
-		if (selectedService)
-		{
-			if (availableTechnicians.getSize() != 0)
-			{
-				listAvailableTechnicians(availableTechnicians, availableTechnicians.getSize(), currentAvailableTechniciansMap);
-				const User* selectedTechnician = selectTechnician(currentAvailableTechniciansMap);
-				if (selectedTechnician)
-				{
-					auto& servicesInBooking = selectedService->getServices();
-					for (int iterator = 0; iterator < servicesInBooking.getSize(); iterator++)
-					{
-						m_controller.createJobCard(selectedService->getId(), selectedTechnician->getId(), servicesInBooking.getValueAt(iterator)->getId());
-					}
-					std::cout << "Job card created for each service and technician successfully assigned.\n\n";
-				}
-			}
-			else
-			{
-				std::cout << "No technicians are currently available.\n\n";
-			}
-		}
-	}
-	else
-	{
-		std::cout << "No pending service bookings available.\n\n";
-	}
-	util::pressEnter();
 }
 
-/*
-Function: displayServices()
-Description: Display all active services
-Parameters:
-	- None
-Returns:
-	- void
-*/
-void AdminMenu::displayServices()
-{
-	util::clear();
-	std::cout << "List of all Services\n";
-	util::Map<std::string, const Service*> currentServices = m_controller.getServices();
-	util::Map<std::string, const Service*> currentActiveServices = filterActiveServices(currentServices);
-	displayAllServices(currentActiveServices);
-	util::pressEnter();
-}
-
-/*
-Function: createService
-Description: Allows the admin to create a new service by selecting inventory items and specifying labor cost.
-Parameters:
-	- None
-Returns:
-	- void
-*/
 void AdminMenu::createService()
 {
-	util::clear();
-	std::cout << "Create Service\n";
-	std::string serviceName;
-	double labourCost;
-	std::cout << "Enter the service name: ";
-	util::read(serviceName);
-	util::Map<std::string, const InventoryItem*> currentInventoryItems = m_controller.getInventoryItems();
-	util::Map<std::string, const InventoryItem*> activeInventoryItems = filterActiveItems(currentInventoryItems);
-	util::Vector<std::string> selectedInventoryItems;
-	selectInventoryItems(activeInventoryItems,selectedInventoryItems);
-	if (selectedInventoryItems.isEmpty())
-	{
-		util::pressEnter();
-		return;
-	}
-	std::cout << "\nEnter the labour cost: ";
-	util::read(labourCost);
-    m_controller.createService(serviceName, selectedInventoryItems, labourCost);
-    std::cout << "\nService created sucessfully.\n\n";
-	util::pressEnter();
 }
 
-/*
-Function: removeService
-Description: Allows the admin to remove an existing service by selecting from available services.
-Parameters:
-	- None
-Returns:
-	- void
-*/
 void AdminMenu::removeService()
 {
-	util::clear();
-	std::cout << "Remove Service\n";
-	std::string selectedServiceID;
-	util::Map<std::string, const Service*> currentServices = m_controller.getServices();
-	util::Map<std::string, const Service*> currentActiveServices = filterActiveServices(currentServices);
-	selectedServiceID = selectServicesToRemove(currentActiveServices);
-	if (selectedServiceID != "")
-	{
-		m_controller.removeService(selectedServiceID);
-		std::cout << "Service removed successfully.\n\n";
-	}
-	else
-	{
-		std::cout << "Failed  to remove service.\n\n";
-	}
-	util::pressEnter();
 }
 
-/*
-Function: displayUsers
-Description: Displays all users.
-Parameter: None
-Return type: void
-*/
-void AdminMenu::displayUsers()
-{
-	util::clear();
-	auto listOfUsers = m_controller.getUsers();
-	auto listOfActiveUsers = filterActiveUsers(listOfUsers);
-	int activeUserCount = listOfActiveUsers.getSize();
-	std::cout << "List of all Users\n";
-	if (activeUserCount < 1)
-	{
-		std::cout << "No Active users." << std::endl;
-		util::pressEnter();
-		return;
-	}
-	displayAllUsers(listOfActiveUsers);
-	util::pressEnter();
-}
-
-/*
-Function: confirmPayment
-Description: Confirms payment for a selected invoice. Validates invoice status, updates payment date,
-			 sets status to COMPLETED, and sends a notification to the customer.
-Parameters:
-	- invoiceID: std::string, ID of the invoice to confirm
-Returns:
-	- void
-*/
-void AdminMenu::confirmPayment()
-{
-	util::clear();
-	std::cout << "Confirm Payment\n";
-	auto invoiceList = m_controller.getAllInvoices();
-	if (invoiceList.isEmpty())
-	{
-		std::cout << "No pending invoices available for confirmation.";
-		util::pressEnter();
-		return;
-	}
-	bool hasConfirmableInvoice = false;
-	for (int index = 0; index < invoiceList.getSize(); ++index)
-	{
-		const Invoice* invoice = invoiceList.getValueAt(index);
-		if (invoice && invoice->getStatus() == util::PaymentStatus::PAID)
-		{
-			hasConfirmableInvoice = true;
-			break;
-		}
-	}
-	if (!hasConfirmableInvoice)
-	{
-		std::cout << "No invoices awaiting confirmation.\n";
-		util::pressEnter();
-		return;
-	}
-	std::string selectedID = selectInvoiceFromUserForPayment(invoiceList, util::PaymentStatus::PAID);
-	if (selectedID == "")
-	{
-		std::cout << "Payment failed.\n";
-		util::pressEnter();
-		return;
-	}
-	m_controller.confirmPayment(selectedID);
-	std::cout << "Payment Confirmed successfully.\n";
-	util::pressEnter();
-}
-
-/*
-Function: addTechnician
-Description: Adds a new technician after validating username, password, email, and phone number.
-Parameter: None
-Return type: void
-*/
 void AdminMenu::addTechnician()
 {
-	util::clear();
-	std::string username, name, password, email, phoneNumber;
-	std::cout << "Add Technician\n";
-	std::cout << "Enter Technician Username: ";
-	util::read(username);
-	std::cout << "Enter Technician Name: ";
-	util::read(name);
-	std::cout << "Enter Technician Password: ";
-	util::read(password);
-	if(!util::isPasswordValid(password))
-	{
-		std::cout << "\nError: Password is invalid!\n\n";
-		util::pressEnter();
-		return;
-	}
-	std::cout << "Enter Technician Email: ";
-	util::read(email);
-	if(!util::isEmailValid(email))
-	{
-		std::cout << "\nError: Email is invalid!\n\n";
-		util::pressEnter();
-		return;
-	}
-	std::cout << "Enter Technician Phone: ";
-	util::read(phoneNumber);
-	if(!util::isPhoneNumberValid(phoneNumber))
-	{
-		std::cout << "\nError: Phone Number is invalid!\n\n";
-		util::pressEnter();
-		return;
-	}
-	m_controller.createTechnician(username, name, password, email, phoneNumber);
-	std::cout << "\nTechnician Added Successfully.\n\n";
-	util::pressEnter();
 }
 
-/*
-Function: removeUser
-Description: Removes a selected active user (customer or technician) from the system.
-Parameter: None
-Return type: void
-*/
 void AdminMenu::removeUser()
 {
-	util::clear();
-	int indexChoice;
-	auto listOfUsers = m_controller.getUsers();
-	auto listOfActiveUsers = filterActiveUsers(listOfUsers);
-	int activeUserCount = listOfActiveUsers.getSize();
-	std::cout << "Remove User \n";
-	if (activeUserCount < 1)
-	{
-		std::cout << "No Active users." << std::endl;
-		util::pressEnter();
-		return;
-	}
-	displayAllUsers(listOfActiveUsers);
-	std::cout << "Enter the index of the user to delete : ";
-	util::read(indexChoice);
-	if (indexChoice < 1 || indexChoice > activeUserCount)
-	{
-		std::cout << "Error invalid index.\n" << std::endl;
-		util::pressEnter();
-		return;
-	}
-	const User* userToRemove = listOfActiveUsers.getValueAt(indexChoice - 1);
-	if (userToRemove != nullptr)
-	{
-		std::string userIdToRemove = userToRemove->getId();
-		m_controller.removeUser(userIdToRemove);
-		std::cout << userToRemove->getUserName() << " removed Successfully.\n";
-	}
-	util::pressEnter();
 }
 
-/*
-Function: displayComboPackages()
-Description: Display all active combo packages
-Parameters:
-	- None
-Returns:
-	- void
-*/
-void AdminMenu::displayComboPackages()
-{
-	util::clear();
-	std::cout << "List of all Combo Packages\n";
-	util::Map<std::string, const ComboPackage*> currentComboPackages = m_controller.getComboPackages();
-	util::Map<std::string, const ComboPackage*> currentActiveComboPackages = filterComboPackages(currentComboPackages);
-	displayAllComboPackages(currentActiveComboPackages);
-	util::pressEnter();
-}
-
-/*
-Function: createComboPackages
-Description: Creates a new combo package by selecting two active services and applying a discount.
-Parameter: None
-Return type: void
-*/
 void AdminMenu::createComboPackages()
 {
-	util::clear();
-	std::cout << "Create Combo Packages\n";
-	auto serviceList = m_controller.getServices();
-	auto activeServices = filterActiveServices(serviceList);
-	int currentActiveServicesCount = activeServices.getSize();
-    const int NUMBER_OF_SERVICE_PER_PACKAGE = 2;
-	util::Vector<std::string> selectedServiceID;
-    for (int iterator = 0; iterator < NUMBER_OF_SERVICE_PER_PACKAGE; iterator++)
-    {
-        const Service* chosenService = nullptr;
-        while (true)
-        {
-            chosenService = selectServiceFromServices(activeServices);
-            if (!chosenService)
-            {
-                std::cout << "Failed to create combo package!\n\n";
-                util::pressEnter();
-                return;
-            }
-            bool alreadyChosen = false;
-            for (int iteratorOne = 0; iteratorOne < selectedServiceID.getSize(); iteratorOne++)
-            {
-                if (selectedServiceID[iteratorOne] == chosenService->getId())
-                {
-                    alreadyChosen = true;
-                    break;
-                }
-            }
-            if (alreadyChosen)
-            {
-				if (currentActiveServicesCount < 2)
-				{
-					break;
-				}
-                std::cout << "Service already selected. Please choose a different one." << std::endl;
-                continue; 
-            }
-            selectedServiceID.push_back(chosenService->getId());
-            break;
-        }
-		if (currentActiveServicesCount < 2)
-		{
-			std::cout << "All the available services selected\n\n";
-			break;
-		}
-    }
-    std::string packageName;
-    double discountPercentage;
-    std::cout << "Enter combo package name: ";
-    util::read(packageName);
-    std::cout << "Enter discount percentage: ";
-    util::read(discountPercentage);
-    if (discountPercentage < 0.0 || discountPercentage > 100.0)
-    {
-        std::cout << "Error: Discount percentage must be between 0 and 100." << std::endl;
-        util::pressEnter();
-        return;
-    }
-    m_controller.createComboPackage(packageName, selectedServiceID, discountPercentage);
-    std::cout << "Combo package '" << packageName << "' created successfully." << std::endl;
-    util::pressEnter();
 }
 
-/*
-Function: removeComboPackage
-Description: Removes a selected combo package from the system.
-Parameter: None
-Return type: void
-*/
 void AdminMenu::removeComboPackage()
 {
-	util::clear();
-	std::cout << "Remove Combo Package\n";
-	util::Map<std::string, const ComboPackage*> currentComboPackages = m_controller.getComboPackages();
-	std::string selectedComboPackageID = selectComboPackage(currentComboPackages);
-	if (!selectedComboPackageID.empty())
-	{
-		m_controller.removeComboPackage(selectedComboPackageID);
-		std::cout << "Combo Package removed successfully.\n\n";
-	}
-	else
-	{
-		std::cout << "Combo package removal failed.\n\n";
-	}
-	util::pressEnter();
 }
 
 /*

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/AdminMenu.h

@@ -1,10 +1,10 @@
 /*
 File: AdminMenu.h
-Description: Header file declaring the AdminMenu class, which provides
+Description: Declares the AdminMenu class which provides the administrative console menu in the Vehicle Service Management System.
-             administrative operations such as inventory management,
+             Supports operations such as inventory management, job assignment, service creation/removal, technician management,
-             user management, service configuration, and notifications.
+             combo package handling, notification viewing, and account management functions like logout and password change.
 Author: Trenser
-Date:19-May-2026
+Date: 19-May-2026
 */
 
 #pragma once
@@ -24,14 +24,10 @@ public:
     void removeInventoryItem();
     void checkStockAvailability();
     void assignJob();
-    void displayServices();
     void createService();
     void removeService();
-    void displayUsers();
-    void confirmPayment();
     void addTechnician();
     void removeUser();
-    void displayComboPackages();
     void createComboPackages();
     void removeComboPackage();
     void viewNotifications();

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/CustomerMenu.cpp

@@ -6,21 +6,16 @@ Description: Implementation file containing the method definitions of the
 Author: Trenser
 Date:19-May-2026
 */
-
 #include <iomanip>
 #include "ComboPackage.h"
 #include "CustomerMenu.h"
-#include "MenuHelper.h"
-#include "Enums.h"
 #include "InputHelper.h"
-#include "OutputHelper.h"
 #include "InventoryItem.h"
-#include "Invoice.h"
 #include "Map.h"
+#include "MenuHelper.h"
+#include "OutputHelper.h"
 #include "Service.h"
-#include "ServiceBooking.h"
+#include "Utility.h"
-#include "Timestamp.h"
-#include "User.h"
 #include "Validator.h"
 #include "Vector.h"
 
@@ -30,7 +25,6 @@ Description: Displays the customer menu and handles user input until logout is s
 Parameter: None
 Return type: void
 */
-
 void CustomerMenu::showMenu()
 {
     while (true)
@@ -131,7 +125,19 @@ Return type: void
 */
 void CustomerMenu::changePassword()
 {
-    changePasswordHelper(m_controller);
+	std::string newPassword;
+	util::clear();
+	std::cout << "Enter new password: ";
+	util::read(newPassword);
+	m_controller.changePassword(newPassword);
+	if (!util::isPasswordValid(newPassword))
+	{
+		std::cout << "Error: Password is not strong enough!";
+		util::pressEnter();
+		return;
+	}
+	std::cout << "Password changed successfully";
+	util::pressEnter();
 }
 
 /*
@@ -144,12 +150,11 @@ void CustomerMenu::updateDetails()
 {
 	std::string email, phone;
 	util::clear();
-    std::cout << "Update Details\n";
 	std::cout << "Enter new email: ";
 	util::read(email);
 	if (!util::isEmailValid(email))
 	{
-		std::cout << "Error: Email is invalid!\n";
+		std::cout << "Error: Email is invalid!";
 		util::pressEnter();
 		return;
 	}
@@ -157,15 +162,64 @@ void CustomerMenu::updateDetails()
 	util::read(phone);
 	if (!util::isPhoneNumberValid(phone))
 	{
-		std::cout << "Error: Phone number is invalid!\n";
+		std::cout << "Error: Phone number is invalid!";
 		util::pressEnter();
 		return;
 	}
 	m_controller.updateUserDetails(email, phone);
-	std::cout << "Profile details updated successfully\n";
+	std::cout << "Profile details updated successfully";
 	util::pressEnter();
 }
 
+/*
+Function: selectServiceFromServices
+Description: Displays active services and allows the customer to select one by index.
+Parameter: const util::Map<std::string, const Service*>& services - list of services
+Return type: const Service* - selected service
+*/
+static const Service* selectServiceFromServices(const util::Map<std::string, const Service*>& services)
+{
+    util::Map<int, const Service*> activeServicesMap;
+    int currentIndex = 1;
+    int userInputIndex;
+    std::cout << std::left
+        << std::setw(10) << "Index"
+        << std::setw(15) << "Service ID"
+        << std::setw(25) << "Service Name"
+        << std::setw(15) << "Estimated Cost"
+        << std::endl;
+    for (int index = 0; index < services.getSize(); index++)
+    {
+        const Service* currentService = services.getValueAt(index);
+        if (currentService->getState() != util::State::ACTIVE)
+        {
+            continue;
+        }
+        activeServicesMap.insert(currentIndex, currentService);
+        double partsCost = calculatePartsCost(currentService);
+        std::cout << std::left
+            << std::setw(10) << currentIndex
+            << std::setw(15) << currentService->getId()
+            << std::setw(25) << currentService->getName()
+            << std::setw(15) << (currentService->getLaborCost() + partsCost)
+            << std::endl;
+        currentIndex++;
+    }
+    if (activeServicesMap.getSize() == 0)
+    {
+        std::cout << "No active services available." << std::endl;
+        return nullptr;
+    }
+    std::cout << "Enter service index: ";
+    util::read(userInputIndex);
+    if (activeServicesMap.find(userInputIndex) == -1)
+    {
+        std::cout << "Invalid service index." << std::endl;
+        return nullptr;
+    }
+    return activeServicesMap[userInputIndex];
+}
+
 /*
 Function: selectService
 Description: Allows the customer to select a service, provide vehicle details,
@@ -176,16 +230,9 @@ Return type: void
 void CustomerMenu::selectService()
 {
     std::string vehicleNumber, vehicleBrand, vehicleModel;
-    util::clear();
-    std::cout << "Select a Service\n";
 	auto services = m_controller.getServices();
-    if (services.isEmpty())
-    {
-        std::cout << "No services available!";
-        util::pressEnter();
-        return;
-    }
     util::Vector<std::string> selectedServices;
+    util::clear();
     const Service* selectedService = selectServiceFromServices(services);
     if (selectedService == nullptr)
     {
@@ -195,7 +242,6 @@ void CustomerMenu::selectService()
     }
     selectedServices.push_back(selectedService->getId());
     util::clear();
-    std::cout << "Enter Vehicle Details\n";
     std::cout << "Enter vehicle number: ";
     util::read(vehicleNumber);
     std::cout << "Enter vehicle brand: ";
@@ -207,6 +253,54 @@ void CustomerMenu::selectService()
     util::pressEnter();
 }
 
+/*
+Function: selectComboPackageFromPackages
+Description: Displays active combo packages and allows the customer to select one by index.
+Parameter: const util::Map<std::string, const ComboPackage*>& comboPackages - list of combo packages
+Return type: const ComboPackage* - selected combo package
+*/
+static const ComboPackage* selectComboPackageFromPackages(const util::Map<std::string, const ComboPackage*>& comboPackages)
+{
+    util::Map<int, const ComboPackage*> activeComboPackages;
+    int currentIndex = 1;
+    int userInputIndex;
+    std::cout << std::left
+        << std::setw(10) << "Index"
+        << std::setw(15) << "Combo Package ID"
+        << std::setw(15) << "Combo Package Name"
+        << std::setw(15) << "Estimate Cost"
+        << std::endl;
+    for (int index = 0; index < comboPackages.getSize(); index++)
+    {
+        const ComboPackage* currentComboPackage = comboPackages.getValueAt(index);
+        if (currentComboPackage->getState() != util::State::ACTIVE)
+        {
+            continue;
+        }
+        activeComboPackages.insert(currentIndex, currentComboPackage);
+        std::cout << std::left
+            << std::setw(10) << currentIndex
+            << std::setw(15) << currentComboPackage->getId()
+            << std::setw(25) << currentComboPackage->getPackageName()
+            << std::setw(15) << calculateComboServiceEstimatedCost(currentComboPackage)
+            << std::endl;
+        currentIndex++;
+    }
+    if (activeComboPackages.getSize() == 0)
+    {
+        std::cout << "No active combo packages available." << std::endl;
+        return nullptr;
+    }
+    std::cout << "Enter combo package index: ";
+    util::read(userInputIndex);
+    if (activeComboPackages.find(userInputIndex) == -1)
+    {
+        std::cout << "Invalid combo package index." << std::endl;
+        return nullptr;
+    }
+    return activeComboPackages[userInputIndex];
+}
+
 /*
 Function: selectComboPackage
 Description: Allows the customer to select a combo package, provide vehicle details,
@@ -217,27 +311,16 @@ Return type: void
 void CustomerMenu::selectComboPackage()
 {
     std::string vehicleNumber, vehicleBrand, vehicleModel;
-    util::clear();
-    std::cout << "Select a Combo Package\n";
     auto comboPackages = m_controller.getComboPackages();
-    util::Map<std::string, const ComboPackage*> activeComboPackages = filterComboPackages(comboPackages);
+    util::clear();
-    if (activeComboPackages.isEmpty())
+    const ComboPackage* selectedComboPackage = selectComboPackageFromPackages(comboPackages);
-    {
-        std::cout << "No combo packages available!\n\n";
-        util::pressEnter();
-        return;
-    }
-    const ComboPackage* selectedComboPackage = selectComboPackageFromPackages(activeComboPackages);
     if (selectedComboPackage == nullptr)
     {
-        std::cout << "Failed to book combo package!\n\n";
+        std::cout << "Failed to book combo package!";
         util::pressEnter();
         return;
     }
-    std::cout << "Combo Package selected\n";
-    util::pressEnter();
     util::clear();
-    std::cout << "Enter the vehicle details\n";
     std::cout << "Enter vehicle number: ";
     util::read(vehicleNumber);
     std::cout << "Enter vehicle brand: ";
@@ -245,127 +328,20 @@ void CustomerMenu::selectComboPackage()
     std::cout << "Enter vehicle model: ";
     util::read(vehicleModel);
     m_controller.purchaseComboPackage(selectedComboPackage->getId(), vehicleNumber, vehicleBrand, vehicleModel);
-    std::cout << "Combo Package has been booked successfully\n\n";
+    std::cout << "Combo Package has been booked successfully";
     util::pressEnter();
 }
 
-/*
-Function: viewServiceHistory
-Description: Displays the customer’s past service bookings in tabular format,
-             including booking ID, technician, vehicle details, discount percentage, and status.
-Parameters:
-    - None
-Returns:
-    - void
-*/
 void CustomerMenu::viewServiceHistory()
 {
-	util::clear();
-	bool hasServiceHistory = false;
-	const User* currentUser = m_controller.getAuthenticatedUser();
-	std::string currentUserID = currentUser->getId();
-	util::Map<std::string, const ServiceBooking*> serviceBookingsByCurrentUser = m_controller.getServiceBookingsByUser(currentUserID);
-    std::cout << "View Service History" << std::endl;
-    if (serviceBookingsByCurrentUser.getSize() != 0)
-    {
-        std::cout << std::left
-            << std::setw(15) << "Booking ID"
-            << std::setw(20) << "Technician"
-            << std::setw(20) << "Vehicle Brand"
-            << std::setw(20) << "Vehicle Number"
-            << std::setw(20) << "Vehicle Model"
-            << std::setw(20) << "Discount %"
-            << std::setw(20) << "Status"
-            << std::endl;
-        for (int iterator = 0; iterator < serviceBookingsByCurrentUser.getSize(); iterator++)
-        {
-            const ServiceBooking* currentBooking = serviceBookingsByCurrentUser.getValueAt(iterator);
-            std::string technicianName = currentBooking->getAssignedTechnician() == nullptr
-                ? "Not Assigned"
-                : currentBooking->getAssignedTechnician()->getName();
-            std::cout << std::left
-                << std::setw(15) << currentBooking->getId()
-                << std::setw(20) << technicianName
-                << std::setw(20) << currentBooking->getVehicleBrand()
-                << std::setw(20) << currentBooking->getVehicleNumber()
-                << std::setw(20) << currentBooking->getVehicleModel()
-                << std::setw(20) << currentBooking->getDiscountPercentage()
-                << std::setw(20) << util::getServiceJobStatusString(currentBooking->getStatus())
-                << std::endl;
-            hasServiceHistory = true;
-        }
-    }
-    if (!hasServiceHistory)
-    {
-        std::cout << "No history available." << std::endl;
-    }
-    util::pressEnter();
 }
 
-/*
-Function: completePayments
-Description: Allows the customer to complete pending payments for invoices.
-             Validates invoice selection and payment mode before completing payment.
-Parameters:
-    - None
-Returns:
-    - void
-*/
 void CustomerMenu::completePayments()
 {
-	util::clear();
-    std::cout << "Complete Payments\n";
-	util::Map<std::string, const Invoice*> currentInvoices = m_controller.getInvoicesByUser();
-    if (currentInvoices.isEmpty())
-    {
-        std::cout << "No pending invoices available for payment.\n";
-        util::pressEnter();
-        return;
-    }
-    bool hasPending = false;
-    for (int index = 0; index < currentInvoices.getSize(); ++index)
-    {
-        const Invoice* invoice = currentInvoices.getValueAt(index);
-        if (invoice && invoice->getStatus() == util::PaymentStatus::PENDING)
-        {
-            hasPending = true;
-            break;
-        }
-    }
-    if (!hasPending)
-    {
-        std::cout << "No pending invoices available for payment.\n";
-        util::pressEnter();
-        return;
-    }
-	std::string selectedID = selectInvoiceFromUserForPayment(currentInvoices, util::PaymentStatus::PENDING);
-    if (selectedID == "")
-    {
-        std::cout << "Payment failed.\n";
-        util::pressEnter();
-        return;
-    }
-    util::PaymentMode paymentMode = selectPaymentMode();
-    m_controller.completePayment(selectedID, paymentMode);
-    std::cout << "Payment completed successfully.\n";
-    util::pressEnter();
 }
 
-/*
-Function: viewInvoices
-Description: Displays invoices associated with the customer by calling displayInvoices.
-Parameters:
-    - None
-Returns:
-    - void
-*/
 void CustomerMenu::viewInvoices()
 {
-	util::clear();
-    std::cout << "View Invoices\n";
-	util::Map<std::string, const Invoice*> currentUserInvoices = m_controller.getInvoicesByUser();
-	displayInvoices(currentUserInvoices);
-    util::pressEnter();
 }
 
 /*
@@ -381,6 +357,38 @@ void CustomerMenu::viewNotifications()
 	viewAndDeleteNotification(m_controller);
 }
 
+/*
+Function: getNotificationPreference (static helper)
+Description: Helper function to configure notification preferences for a specific service.
+Parameters:
+    - serviceName: Name of the service for which notifications are being configured.
+Returns:
+    - bool: True if notifications are enabled, False if disabled.
+*/
+static bool getNotificationPreference(const std::string& serviceName)
+{
+    int choice;
+    while (true)
+    {
+        util::clear();
+        std::cout << "    Configure Notification Preferences\n";
+        std::cout << "\n" << serviceName << " Notifications\n";
+        std::cout << "1. Enable Notifications\n";
+        std::cout << "2. Disable Notifications\n";
+        std::cout << "Enter your choice: ";
+        util::read(choice);
+        if (choice == 1)
+        {
+            return true;
+        }
+        if (choice == 2)
+        {
+            return false;
+        }
+        std::cout << "\nInvalid choice. Please enter 1 or 2.\n";
+        util::pressEnter();
+    }
+}
 
 /*
 Function: configureNotifications

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/CustomerMenu.h

@@ -7,7 +7,6 @@ Description: Header file declaring the CustomerMenu class, which provides
 Author: Trenser
 Date:19-May-2026
 */
-
 #pragma once
 #include "Controller.h"
 

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/TechnicianMenu.cpp

@@ -1,20 +1,16 @@
 /*
 File: TechnicianMenu.cpp
-Description: Implementation file containing the method definitions of the
+Description: Implements the TechnicianMenu class which provides the technician’s console interface
-             TechnicianMenu class, including menu handling, job completion,
+			 in the Vehicle Service Management System. Handles menu display, user input, and
-             notification viewing, password management, and logout logic.
+			 technician-specific operations such as completing jobs and viewing notifications.
 Author: Trenser
-Date:19-May-2026
+Date: 19-May-2026
 */
 
-#include "Enums.h"
-#include "InputHelper.h"
-#include "JobCard.h"
-#include "MenuHelper.h"
-#include "OutputHelper.h"
-#include "Service.h"
 #include "TechnicianMenu.h"
-#include "Validator.h"
+#include "InputHelper.h"
+#include "OutputHelper.h"
+#include "MenuHelper.h"
 
 /*
 Function: showMenu
@@ -27,124 +23,35 @@ Returns:
 */
 void TechnicianMenu::showMenu()
 {
-    while (true)
+	bool isMenuActive = true;
-    {
+	while (isMenuActive)
-        try
+	{
-        {
+		try
-            int choice;
+		{
-            util::clear();
+			int choice;
-            std::cout << "Technician Menu"
+			util::clear();
-                << "\n1. Display My Jobs"
+			std::cout << "" << std::endl;
-                << "\n2. Update Job Status"
+			util::read(choice);
-                << "\n3. View Notifications"
+			if (!handleOperation(choice))
-                << "\n4. Change Password"
+			{
-                << "\n5. Logout"
+				isMenuActive = false;
-                << "\nEnter a choice: ";
+			}
-            util::read(choice);
+		}
-            if (!handleOperation(choice))
+		catch (const std::exception& e)
-            {
+		{
-                break;
+			std::cout << "Exception: " << e.what() << std::endl;
-            }
+			util::pressEnter();
-        }
+		}
-        catch (const std::exception& e)
+	}
-        {
-            std::cout << "Exception: " << e.what() << std::endl;
-            util::pressEnter();
-        }
-    }
 }
 
-/*
-Function: handleOperation
-Description: Executes the corresponding technician operation based on the selected menu choice.
-Parameter: int choice - selected menu option
-Return type: bool - true if menu continues, false if logout
-*/
 bool TechnicianMenu::handleOperation(int choice)
 {
-    switch (choice)
+	return false;
-    {
-    case 1:
-        displayJobs();
-        break;
-    case 2:
-        updateJobStatus();
-        break;
-    case 3:
-        viewNotifications();
-        break;
-    case 4:
-        changePassword();
-        break;
-    case 5:
-        logout();
-        return false;
-    default:
-        std::cout << "Enter a valid choice!" << std::endl;
-        util::pressEnter();
-    }
-    return true;
 }
 
-/*
+void TechnicianMenu::completeJob()
-Function: displayJobs
-Description: Displays all Jobs assigned to a Technician
-Parameters:
-    - None
-Returns:
-    - void
-*/
-void TechnicianMenu::displayJobs()
 {
-    util::clear();
-    std::cout << "My Jobs\n";
-    util::Map<std::string, const JobCard*> assignedJobCards = m_controller.getJobCardsByUser();
-    util::Map<std::string, const JobCard*> jobCards = filterStartedJobCards(assignedJobCards);
-    displayAllJobs(jobCards);
-    util::pressEnter();
-}
-
-/*
-Function: updateJobStatus
-Description: Allows the technician to update a selected job card.
-             Validates selection and updates job status through the controller.
-Parameters:
-    - None
-Returns:
-    - void
-*/
-void TechnicianMenu::updateJobStatus()
-{
-    util::clear();
-    std::cout << "Update Job Status\n";
-    int choice;
-    std::string selectedJobID;
-    util::ServiceJobStatus selectedJobStatus = util::ServiceJobStatus::PENDING;
-	util::Map<std::string, const JobCard*> assignedJobCards = m_controller.getJobCardsByUser();
-    std::cout << "Select the type of job you want to update:\n1.Started\n2.In Progress\nChoice: ";
-    util::read(choice);
-    if (choice == 1)
-    {
-        selectedJobStatus = util::ServiceJobStatus::STARTED;
-    }
-    else if (choice == 2)
-    {
-        selectedJobStatus = util::ServiceJobStatus::IN_PROGRESS;
-    }
-    else
-    {
-        std::cout << "Invalid choice. Please try again.\n";
-        util::pressEnter();
-        return;
-    }
-    util::Map<std::string, const JobCard*> selectedTypeJobCard = filterJobCards(assignedJobCards, selectedJobStatus);
-	selectedJobID = selectJobCardToUpdate(selectedTypeJobCard, selectedJobStatus);
-    if (!selectedJobID.empty())
-	{
-		m_controller.updateJobStatus(selectedJobID);
-		std::cout << "\nJob status updated.\n\n";
-	}
-    util::pressEnter();
 }
 
 /*
@@ -159,26 +66,3 @@ void TechnicianMenu::viewNotifications()
 {
 	viewAndDeleteNotification(m_controller);
 }
-
-/*
-Function: logout
-Description: Logs out the currently authenticated technician user.
-Parameter: None
-Return type: void
-*/
-void TechnicianMenu::logout()
-{
-	m_controller.logout();
-}
-
-/*
-Function: changePassword
-Description: Allows the technician to change their password after validation.
-Parameter: None
-Return type: void
-*/
-
-void TechnicianMenu::changePassword()
-{
-    changePasswordHelper(m_controller);
-}

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/TechnicianMenu.h

@@ -1,10 +1,9 @@
 /*
 File: TechnicianMenu.h
-Description: Header file declaring the TechnicianMenu class, which provides
+Description: Declares the TechnicianMenu class which provides the technician-facing console menu in the Vehicle Service Management System.
-             technician operations such as job completion, notification viewing,
+             Supports operations such as viewing assigned jobs, completing jobs, and managing notifications.
-             password management, and logout functionality.
 Author: Trenser
-Date:19-May-2026
+Date: 19-May-2026
 */
 
 #pragma once
@@ -17,9 +16,6 @@ private:
     bool handleOperation(int choice);
 public:
     void showMenu();
-    void displayJobs();
+    void completeJob();
-    void updateJobStatus();
     void viewNotifications();
-    void logout();
-    void changePassword();
 };

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/UserInterface.cpp

@@ -6,14 +6,11 @@ Description: Implementation file containing the method definitions of the
 Author: Trenser
 Date:19-May-2026
 */
-
+#include "UserInterface.h"
-#include <iostream>
-#include <stdexcept>
-#include "Enums.h"
 #include "InputHelper.h"
 #include "OutputHelper.h"
+#include "Enums.h"
 #include "User.h"
-#include "UserInterface.h"
 #include "Validator.h"
 
 /*
@@ -25,44 +22,29 @@ Return type: void
 */
 void UserInterface::run()
 {
-	try
+	m_controller.loadSystemData();
+	m_controller.runSystemChecks();
+	bool isMenuActive = true;
+	while (isMenuActive)
 	{
-		m_controller.loadSystemData();
+		try
-		m_controller.runSystemChecks();
-		bool isMenuActive = true;
-		while (isMenuActive)
 		{
-			try
+			int choice;
+			util::clear();
+			std::cout << "Vehicle Service System\n1. Login\n2. Register Customer\n3. Exit\nEnter your Choice: ";
+			util::read(choice);
+			if (!handleOperation(choice))
 			{
-				int choice;
+				isMenuActive = false;
-				util::clear();
-				std::cout << "Vehicle Service System\n1. Login\n2. Register Customer\n3. Exit\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();
 			}
 		}
-		m_controller.saveSystemData();
+		catch (const std::exception& e)
-	}
+		{
-	catch (const std::invalid_argument& exception)
+			std::cout << "Exception: " << e.what() << std::endl;
-	{
+			util::pressEnter();
-		std::cout << "Exception: Invalid Argument: " << exception.what() << std::endl;
+		}
-	}
-	catch (const std::exception& exception)
-	{
-		std::cout << "Exception: " << exception.what() << std::endl;
-	}
-	catch (...)
-	{
-		std::cout << "Unknown error occurred." << std::endl;
 	}
+	m_controller.saveSystemData();
 }
 
 /*
@@ -102,7 +84,6 @@ void UserInterface::login()
 {
 	std::string username, password;
 	util::clear();
-	std::cout << "Login\n";
 	std::cout << "Enter username: ";
 	util::read(username);
 	std::cout << "Enter password: ";
@@ -110,7 +91,7 @@ void UserInterface::login()
 	if (m_controller.login(username, password))
 	{
 		const User* authenticatedUser = m_controller.getAuthenticatedUser();
-		if (authenticatedUser && authenticatedUser->getState() != util::State::INACTIVE)
+		if (authenticatedUser != nullptr)
 		{
 			switch (authenticatedUser->getUserType())
 			{
@@ -128,16 +109,10 @@ void UserInterface::login()
 				break;
 			}
 		}
-		else if (authenticatedUser && authenticatedUser->getState() == util::State::INACTIVE)
-		{
-			std::cout << "\nError: Your account has been disabled. Please contact your Administrator.";
-			util::pressEnter();
-		}
 	}
 	else
 	{
 		std::cout << "\nError: Invalid Username or Password";
-		util::pressEnter();
 	}
 }
 
@@ -153,7 +128,6 @@ void UserInterface::registerCustomer()
 {
 	std::string username, name, email, phone, password;
 	util::clear();
-	std::cout << "Register Customer\n";
 	std::cout << "Enter username: ";
 	util::read(username);
 	std::cout << "Enter name: ";

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/UserInterface.h

@@ -7,7 +7,6 @@ Description: Header file declaring the UserInterface class, which provides
 Author: Trenser
 Date:19-May-2026
 */
-
 #pragma once
 #include "Controller.h"
 #include "AdminMenu.h"