Add standardized documentation headers

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

@@ -1,3 +1,11 @@
+/*
+File: Controller.cpp
+Description: Implementation file containing the method definitions of the
+             Controller class, which manages authentication, users, services,
+             combo packages, and inventory operations.
+Author: Trenser
+Date:19-May-2026
+*/
 #include "Controller.h"
 #include "ComboPackage.h"
 #include "User.h"
@@ -7,11 +15,25 @@ bool Controller::login(const std::string& username, const std::string& password)
     return false;
 }
 
+/*
+Function: logout
+Description: Logs out the currently authenticated user by delegating
+             to the authentication management service.
+Parameter: None
+Return type: void
+*/
 void Controller::logout()
 {
     m_authenticationManagementService.logout();
 }
 
+/*
+Function: changePassword
+Description: Updates the password of the authenticated user by delegating
+             to the authentication management service.
+Parameter: const std::string& newPassword - the new password to set
+Return type: void
+*/
 void Controller::changePassword(const std::string& newPassword)
 {
     m_authenticationManagementService.changePassword(newPassword);
@@ -26,9 +48,19 @@ const User* Controller::getAuthenticatedUser()
     return nullptr;
 }
 
-void Controller::createTechnician(const std::string& username, const std::string& password, const std::string& email, const std::string& phoneNumber)
+/*
+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, password, email, phoneNumber, util::UserType::TECHNICIAN);
+    m_userManagementService.createUser(username, name, password, email, phoneNumber, util::UserType::TECHNICIAN);
 }
 
 void Controller::updateUserDetails(const std::string& email, const std::string& phone)
@@ -40,6 +72,13 @@ util::Map<std::string, const Service*> Controller::getServices()
     return util::Map<std::string, const Service*>();
 }
 
+/*
+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();
@@ -91,6 +130,13 @@ util::Map<std::string, const ServiceBooking*> Controller::getServiceBookingsByUs
     return util::Map<std::string, const ServiceBooking*>();
 }
 
+/*
+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();
@@ -128,6 +174,13 @@ void Controller::completeJob(const std::string& 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);
@@ -140,11 +193,27 @@ void Controller::removeUser(const std::string& userID)
     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);

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

@@ -1,3 +1,11 @@
+/*
+File: Controller.h
+Description: Header file declaring the Controller class, which manages
+             user authentication, inventory, services, bookings, job cards,
+             invoices, and notifications in the system.
+Author: Trenser
+Date:19-May-2026
+*/
 #pragma once
 #include <string>
 #include "Map.h"
@@ -27,7 +35,7 @@ public:
     void changePassword(const std::string& newPassword);
     void createCustomer(const std::string& username, const std::string& password, const std::string& email, const std::string& phone);
     const User* getAuthenticatedUser();
-    void createTechnician(const std::string& username, const std::string& password, const std::string& email, const std::string& phoneNumber);
+    void createTechnician(const std::string& username, const std::string& name, const std::string& password, const std::string& email, const std::string& phoneNumber);
     void updateUserDetails(const std::string& email, const std::string& phone);
     util::Map<std::string, const Service*> getServices();
     util::Map<std::string, const ComboPackage*> getComboPackages();

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

@@ -1,7 +1,22 @@
+/*
+File: JobCard.cpp
+Description: Implementation file containing the method definitions of the
+             JobCard class, including constructors, getters, and setters
+             for job card attributes.
+Author: Trenser
+Date:19-May-2026
+*/
 #include "JobCard.h"
 
 int JobCard::m_uid = 0;
 
+/*
+Function: JobCard
+Description: Default constructor that initializes a new job card with
+             a unique ID and default values.
+Parameter: None
+Return type: Constructor
+*/
 JobCard::JobCard()
     : m_id("JC" + std::to_string(++m_uid)),
     m_booking(nullptr),
@@ -9,6 +24,21 @@ JobCard::JobCard()
     m_technician(nullptr),
     m_status(util::ServiceJobStatus()) {}
 
+/*
+Function: JobCard
+Description: Parameterized constructor that initializes a job card with
+             booking, service, technician, and status details.
+Parameter: const std::string& bookingId - ID of the booking
+           ServiceBooking* booking - pointer to the booking object
+           Service* service - pointer to the service object
+           const std::string& serviceId - ID of the service
+           const std::string& technicianId - ID of the technician
+           User* technician - pointer to the technician object
+           const util::Timestamp& assignedDate - date when job was assigned
+           util::ServiceJobStatus status - current status of the job
+           const util::Timestamp& completionDate - date when job was completed
+Return type: Constructor
+*/
 JobCard::JobCard(const std::string& bookingId,
     ServiceBooking* booking,
     Service* service,
@@ -30,101 +60,221 @@ JobCard::JobCard(const std::string& bookingId,
     m_status(status),
     m_completionDate(completionDate) {}
 
+/*
+Function: getId
+Description: Retrieves the unique identifier of the job card.
+Parameter: None
+Return type: const std::string&
+*/
 const std::string& JobCard::getId() const
 {
     return m_id;
 }
 
+/*
+Function: getBookingId
+Description: Retrieves the booking ID associated with the job card.
+Parameter: None
+Return type: const std::string&
+*/
 const std::string& JobCard::getBookingId() const
 {
     return m_bookingId;
 }
 
+/*
+Function: getBooking
+Description: Retrieves the booking object associated with the job card.
+Parameter: None
+Return type: ServiceBooking*
+*/
 ServiceBooking* JobCard::getBooking() const
 {
     return m_booking;
 }
 
+/*
+Function: getService
+Description: Retrieves the service object associated with the job card.
+Parameter: None
+Return type: Service*
+*/
 Service* JobCard::getService() const
 {
     return m_service;
 }
 
+/*
+Function: getServiceId
+Description: Retrieves the service ID associated with the job card.
+Parameter: None
+Return type: const std::string&
+*/
 const std::string& JobCard::getServiceId() const
 {
     return m_serviceId;
 }
 
+/*
+Function: getTechnicianId
+Description: Retrieves the technician ID assigned to the job card.
+Parameter: None
+Return type: const std::string&
+*/
 const std::string& JobCard::getTechnicianId() const
 {
     return m_technicianId;
 }
 
+/*
+Function: getTechnician
+Description: Retrieves the technician object assigned to the job card.
+Parameter: None
+Return type: User*
+*/
 User* JobCard::getTechnician() const
 {
     return m_technician;
 }
 
+/*
+Function: getAssignedDate
+Description: Retrieves the date when the job was assigned.
+Parameter: None
+Return type: const util::Timestamp&
+*/
 const util::Timestamp& JobCard::getAssignedDate() const
 {
     return m_assignedDate;
 }
 
+/*
+Function: getStatus
+Description: Retrieves the current status of the job card.
+Parameter: None
+Return type: util::ServiceJobStatus
+*/
 util::ServiceJobStatus JobCard::getStatus() const
 {
     return m_status;
 }
 
+/*
+Function: getCompletionDate
+Description: Retrieves the completion date of the job card.
+Parameter: None
+Return type: const util::Timestamp&
+*/
 const util::Timestamp& JobCard::getCompletionDate() const
 {
     return m_completionDate;
 }
 
+/*
+Function: setId
+Description: Sets the unique identifier of the job card.
+Parameter: const std::string& id - new job card ID
+Return type: void
+*/
 void JobCard::setId(const std::string& id)
 {
     m_id = id;
 }
 
+/*
+Function: setBookingId
+Description: Sets the booking ID for the job card.
+Parameter: const std::string& bookingId - new booking ID
+Return type: void
+*/
 void JobCard::setBookingId(const std::string& bookingId)
 {
     m_bookingId = bookingId;
 }
 
+/*
+Function: setBooking
+Description: Sets the booking object for the job card.
+Parameter: ServiceBooking* booking - pointer to the booking object
+Return type: void
+*/
 void JobCard::setBooking(ServiceBooking* booking)
 {
     m_booking = booking;
 }
 
+/*
+Function: setService
+Description: Sets the service object for the job card.
+Parameter: Service* service - pointer to the service object
+Return type: void
+*/
 void JobCard::setService(Service* service)
 {
     m_service = service;
 }
 
+/*
+Function: setServiceId
+Description: Sets the service ID for the job card.
+Parameter: const std::string& serviceId - new service ID
+Return type: void
+*/
 void JobCard::setServiceId(const std::string& serviceId)
 {
     m_serviceId = serviceId;
 }
 
+/*
+Function: setTechnicianId
+Description: Sets the technician ID for the job card.
+Parameter: const std::string& technicianId - new technician ID
+Return type: void
+*/
 void JobCard::setTechnicianId(const std::string& technicianId)
 {
     m_technicianId = technicianId;
 }
 
+/*
+Function: setTechnician
+Description: Sets the technician object for the job card.
+Parameter: User* technician - pointer to the technician object
+Return type: void
+*/
 void JobCard::setTechnician(User* technician)
 {
     m_technician = technician;
 }
 
+/*
+Function: setAssignedDate
+Description: Sets the assigned date for the job card.
+Parameter: const util::Timestamp& assignedDate - new assigned date
+Return type: void
+*/
 void JobCard::setAssignedDate(const util::Timestamp& assignedDate)
 {
     m_assignedDate = assignedDate;
 }
 
+/*
+Function: setStatus
+Description: Sets the status of the job card.
+Parameter: util::ServiceJobStatus status - new job status
+Return type: void
+*/
 void JobCard::setStatus(util::ServiceJobStatus status)
 {
     m_status = status;
 }
 
+/*
+Function: setCompletionDate
+Description: Sets the completion date for the job card.
+Parameter: const util::Timestamp& completionDate - new completion date
+Return type: void
+*/
 void JobCard::setCompletionDate(const util::Timestamp& completionDate)
 {
     m_completionDate = completionDate;

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

@@ -1,3 +1,11 @@
+/*
+File: JobCard.h
+Description: Header file declaring the JobCard class, which represents
+             a service job card containing booking, service, technician,
+             and status details.
+Author: Trenser
+Date:19-May-2026
+*/
 #pragma once
 #include <string>
 #include "Timestamp.h"

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

@@ -1,12 +1,44 @@
+/*
+File: ServiceBooking.cpp
+Description: Implementation file containing the method definitions of the
+             ServiceBooking class, including constructors, getters, and setters
+             for booking attributes.
+Author: Trenser
+Date:19-May-2026
+*/
 #include "ServiceBooking.h"
 
 int ServiceBooking::m_uid = 0;
 
+/*
+Function: ServiceBooking
+Description: Default constructor that initializes a new service booking
+             with a unique ID, no customer, and zero discount.
+Parameter: None
+Return type: Constructor
+*/
 ServiceBooking::ServiceBooking()
     : m_id("SRV" + std::to_string(++m_uid)),
     m_customer(nullptr),
     m_discountPercentage(0.0) {}
 
+/*
+Function: ServiceBooking
+Description: Parameterized constructor that initializes a service booking
+             with customer, vehicle, technician, and discount details.
+Parameter: const std::string& id - booking ID
+           util::ServiceJobStatus status - current booking status
+           const util::Map<std::string, Service*>& services - map of services
+           const std::string& customerId - ID of the customer
+           User* customer - pointer to the customer object
+           const std::string& vehicleNumber - vehicle registration number
+           const std::string& vehicleBrand - brand of the vehicle
+           const std::string& vehicleModel - model of the vehicle
+           const std::string& assignedTechnicianId - ID of the assigned technician
+           User* assignedTechnician - pointer to the technician object
+           double discountPercentage - discount applied to the booking
+Return type: Constructor
+*/
 ServiceBooking::ServiceBooking(
     const std::string& id,
     util::ServiceJobStatus status,
@@ -35,111 +67,243 @@ ServiceBooking::ServiceBooking(
 {
 }
 
+/*
+Function: getId
+Description: Retrieves the unique identifier of the service booking.
+Parameter: None
+Return type: const std::string&
+*/
 const std::string& ServiceBooking::getId() const
 {
     return m_id;
 }
 
+/*
+Function: getStatus
+Description: Retrieves the current status of the service booking.
+Parameter: None
+Return type: util::ServiceJobStatus
+*/
 util::ServiceJobStatus ServiceBooking::getStatus() const
 {
     return m_status;
 }
 
+/*
+Function: getServices
+Description: Retrieves the services associated with the booking.
+Parameter: None
+Return type: const util::Map<std::string, Service*>&
+*/
 const util::Map<std::string, Service*>& ServiceBooking::getServices() const
 {
     return m_services;
 }
 
+/*
+Function: getCustomerId
+Description: Retrieves the customer ID associated with the booking.
+Parameter: None
+Return type: const std::string&
+*/
 const std::string& ServiceBooking::getCustomerId() const
 {
     return m_customerId;
 }
 
+/*
+Function: getCustomer
+Description: Retrieves the customer object associated with the booking.
+Parameter: None
+Return type: User*
+*/
 User* ServiceBooking::getCustomer() const
 {
     return m_customer;
 }
 
+/*
+Function: getVehicleNumber
+Description: Retrieves the vehicle registration number for the booking.
+Parameter: None
+Return type: const std::string&
+*/
 const std::string& ServiceBooking::getVehicleNumber() const
 {
     return m_vehicleNumber;
 }
 
+/*
+Function: getVehicleBrand
+Description: Retrieves the brand of the vehicle for the booking.
+Parameter: None
+Return type: const std::string&
+*/
 const std::string& ServiceBooking::getVehicleBrand() const
 {
     return m_vehicleBrand;
 }
 
+/*
+Function: getVehicleModel
+Description: Retrieves the model of the vehicle for the booking.
+Parameter: None
+Return type: const std::string&
+*/
 const std::string& ServiceBooking::getVehicleModel() const
 {
     return m_vehicleModel;
 }
 
+/*
+Function: getAssignedTechnicianId
+Description: Retrieves the ID of the technician assigned to the booking.
+Parameter: None
+Return type: const std::string&
+*/
 const std::string& ServiceBooking::getAssignedTechnicianId() const
 {
     return m_assignedTechnicianId;
 }
 
+/*
+Function: getAssignedTechnician
+Description: Retrieves the technician object assigned to the booking.
+Parameter: None
+Return type: User*
+*/
 User* ServiceBooking::getAssignedTechnician() const
 {
     return m_assignedTechnician;
 }
 
+/*
+Function: getDiscountPercentage
+Description: Retrieves the discount percentage applied to the booking.
+Parameter: None
+Return type: double
+*/
 double ServiceBooking::getDiscountPercentage() const
 {
     return m_discountPercentage;
 }
 
+/*
+Function: setId
+Description: Sets the unique identifier of the service booking.
+Parameter: const std::string& id - new booking ID
+Return type: void
+*/
 void ServiceBooking::setId(const std::string& id)
 {
     m_id = id;
 }
 
+/*
+Function: setStatus
+Description: Sets the current status of the service booking.
+Parameter: const util::ServiceJobStatus& status - new booking status
+Return type: void
+*/
 void ServiceBooking::setStatus(const util::ServiceJobStatus& status)
 {
     m_status = status;
 }
 
+/*
+Function: setServices
+Description: Sets the services associated with the booking.
+Parameter: const util::Map<std::string, Service*>& services - new services map
+Return type: void
+*/
 void ServiceBooking::setServices(const util::Map<std::string, Service*>& services)
 {
     m_services = services;
 }
 
+/*
+Function: setCustomerId
+Description: Sets the customer ID for the booking.
+Parameter: const std::string& customerId - new customer ID
+Return type: void
+*/
 void ServiceBooking::setCustomerId(const std::string& customerId)
 {
     m_customerId = customerId;
 }
 
+/*
+Function: setCustomer
+Description: Sets the customer object for the booking.
+Parameter: User* customer - pointer to the customer object
+Return type: void
+*/
 void ServiceBooking::setCustomer(User* customer)
 {
     m_customer = customer;
 }
 
+/*
+Function: setVehicleNumber
+Description: Sets the vehicle registration number for the booking.
+Parameter: const std::string& vehicleNumber - new vehicle number
+Return type: void
+*/
 void ServiceBooking::setVehicleNumber(const std::string& vehicleNumber)
 {
     m_vehicleNumber = vehicleNumber;
 }
 
+/*
+Function: setVehicleBrand
+Description: Sets the brand of the vehicle for the booking.
+Parameter: const std::string& vehicleBrand - new vehicle brand
+Return type: void
+*/
 void ServiceBooking::setVehicleBrand(const std::string& vehicleBrand)
 {
     m_vehicleBrand = vehicleBrand;
 }
 
+/*
+Function: setVehicleModel
+Description: Sets the model of the vehicle for the booking.
+Parameter: const std::string& vehicleModel - new vehicle model
+Return type: void
+*/
 void ServiceBooking::setVehicleModel(const std::string& vehicleModel)
 {
     m_vehicleModel = vehicleModel;
 }
 
+/*
+Function: setAssignedTechnicianId
+Description: Sets the ID of the technician assigned to the booking.
+Parameter: const std::string& assignedTechnicianId - new technician ID
+Return type: void
+*/
 void ServiceBooking::setAssignedTechnicianId(const std::string& assignedTechnicianId)
 {
     m_assignedTechnicianId = assignedTechnicianId;
 }
 
+/*
+Function: setAssignedTechnician
+Description: Sets the technician object assigned to the booking.
+Parameter: User* assignedTechnician - pointer to the technician object
+Return type: void
+*/
 void ServiceBooking::setAssignedTechnician(User* assignedTechnician)
 {
     m_assignedTechnician = assignedTechnician;
 }
 
+/*
+Function: setDiscountPercentage
+Description: Sets the discount percentage for the booking.
+Parameter: double discountPercentage - new discount percentage
+Return type: void
+*/
 void ServiceBooking::setDiscountPercentage(double discountPercentage)
 {
     m_discountPercentage = discountPercentage;

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

@@ -1,3 +1,11 @@
+/*
+File: ServiceBooking.h
+Description: Header file declaring the ServiceBooking class, which represents
+             a booking of services by a customer, including vehicle details,
+             assigned technician, and discount information.
+Author: Trenser
+Date:19-May-2026
+*/
 #pragma once
 #include <string>
 #include "Map.h"

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

@@ -1,13 +1,35 @@
+/*
+File: AuthenticationManagementService.cpp
+Description: Implementation file containing the method definitions of the
+			 AuthenticationManagementService class, including logout and
+			 password change logic.
+Author: Trenser
+Date:19-May-2026
+*/
 #include "AuthenticationManagementService.h"
 #include "User.h"
 
 User* AuthenticationManagementService::m_authenticatedUser = nullptr;
 
+/*
+Function: logout
+Description: Logs out the currently authenticated user by clearing the
+			 static authenticated user pointer.
+Parameter: None
+Return type: void
+*/
 void AuthenticationManagementService::logout()
 {
 	m_authenticatedUser = nullptr;
 }
 
+/*
+Function: changePassword
+Description: Changes the password of the currently authenticated user.
+			 Throws an exception if no user is logged in.
+Parameter: const std::string& newPassword - new password to set
+Return type: void
+*/
 void AuthenticationManagementService::changePassword(const std::string& newPassword)
 {
 	if (m_authenticatedUser == nullptr)

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

@@ -1,3 +1,11 @@
+/*
+File: AuthenticationManagementService.h
+Description: Header file declaring the AuthenticationManagementService class, which manages
+             user authentication, login, logout, password changes, and retrieval of the
+             authenticated user.
+Author: Trenser
+Date:19-May-2026
+*/
 #pragma once
 #include <string>
 #include "DataStore.h"

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

@@ -1,3 +1,11 @@
+/*
+File: ServiceManagementService.cpp
+Description: Implementation file containing the method definitions of the
+             ServiceManagementService class, including service booking cancellation,
+             job card management, combo package creation, and removal logic.
+Author: Trenser
+Date:19-May-2026
+*/
 #include "ServiceManagementService.h"
 #include "DataStore.h"
 #include "ServiceBooking.h"
@@ -7,6 +15,14 @@
 #include "Factory.h"
 #include "ComboPackage.h"
 
+/*
+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& userID)
 {
     const int INCREMENT_VALUE = 1;
@@ -69,7 +85,13 @@ void ServiceManagementService::cancelCustomerServiceBookings(const std::string&
     }
 }
 
-
+/*
+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)
 {
     const int INCREMENT_VALUE = 1;
@@ -101,6 +123,15 @@ void ServiceManagementService::cancelTechnicianJobs(const std::string& technicia
     }
 }
 
+/*
+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())
@@ -162,11 +193,23 @@ void ServiceManagementService::createComboPackage(const std::string& packageName
     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;

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

@@ -1,3 +1,11 @@
+/*
+File: ServiceManagementService.h
+Description: Header file declaring the ServiceManagementService class, which manages
+             services, combo packages, job cards, and service bookings. Inherits from
+             NotificationManagementService to handle notifications.
+Author: Trenser
+Date:19-May-2026
+*/
 #pragma once
 #include <string>
 #include "Map.h"

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

@@ -1,11 +1,30 @@
+/*
+File: UserManagementService.cpp
+Description: Implementation file containing the method definitions of the
+			 UserManagementService class, including user retrieval and removal logic.
+Author: Trenser
+Date:19-May-2026
+*/
 #include "UserManagementService.h"
 #include "User.h"
 
+/*
+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);
@@ -16,6 +35,12 @@ User* UserManagementService::getUser(const std::string& userID)
 	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)
 {
 	int index = m_dataStore.getUsers().find(userID);

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/services/UserManagementService.h

@@ -1,3 +1,10 @@
+/*
+File: UserManagementService.h
+Description: Header file declaring the UserManagementService class, which manages
+             user creation, updates, retrieval, removal, and notification handling.
+Author: Trenser
+Date:19-May-2026
+*/
 #pragma once
 #include <string>
 #include "Map.h"
@@ -13,7 +20,7 @@ private:
     DataStore& m_dataStore;
 public:
     UserManagementService() : m_dataStore(DataStore::getInstance()) {}
-    void createUser(const std::string& username, const std::string& password, const std::string& email, const std::string& phone, util::UserType type);
+    void createUser(const std::string& username, const std::string& name, const std::string& password, const std::string& email, const std::string& phone, util::UserType type);
     void updateUserDetails(const std::string& userID, const std::string& email, const std::string& phone);
     util::Map<std::string, User*> getUsers();
     util::Map<std::string, User*> getUsers(util::UserType type);

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

@@ -1,7 +1,21 @@
+/*
+File: Utility.h
+Description: Header file declaring utility functions used across the system,
+             including cost calculation for services based on required inventory items.
+Author: Trenser
+Date:19-May-2026
+*/
 #pragma once
 #include "Service.h"
 #include "InventoryItem.h"
 
+/*
+Function: calculatePartsCost
+Description: Calculates the total cost of parts required for a given service
+             by summing the prices of all associated inventory items.
+Parameter: const Service* service - pointer to the service object
+Return type: double - total cost of required parts
+*/
 inline double calculatePartsCost(const Service* service)
 {
     double cost = 0;

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

@@ -1,3 +1,11 @@
+/*
+File: AdminMenu.cpp
+Description: Implementation file containing the method definitions of the
+			 AdminMenu class, including menu handling, inventory operations,
+			 user management, and combo package management functions.
+Author: Trenser
+Date:19-May-2026
+*/
 #include <iostream>
 #include <iomanip>
 #include "AdminMenu.h"
@@ -10,6 +18,12 @@
 #include "ComboPackage.h"
 #include "Enums.h"
 
+/*
+Function: showMenu
+Description: Displays the admin menu and handles user input until logout is selected.
+Parameter: None
+Return type: void
+*/
 void AdminMenu::showMenu()
 {
     while (true)
@@ -48,6 +62,12 @@ void AdminMenu::showMenu()
     }
 }
 
+/*
+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)
@@ -101,12 +121,22 @@ bool AdminMenu::handleOperation(int choice)
     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()
 {
 	std::string newPassword;
@@ -156,12 +186,20 @@ void AdminMenu::removeService()
 {
 }
 
+/*
+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, password, email, phoneNumber;
+	std::string username, name, password, email, phoneNumber;
 	std::cout << std::left << std::setw(25) << "Enter Technician Username: ";
 	util::read(username);
+	std::cout << std::left << std::setw(25) << "Enter Technician Name: ";
+	util::read(name);
 	std::cout << std::setw(25) << "Enter Technician Password: ";
 	util::read(password);
 	if(!util::isPasswordValid(password))
@@ -186,11 +224,17 @@ void AdminMenu::addTechnician()
 		util::pressEnter();
 		return;
 	}
-	m_controller.createTechnician(username, password, email, phoneNumber);
+	m_controller.createTechnician(username, name, password, email, phoneNumber);
 	std::cout << "\nTechnician Added Successfully.\n";
 	util::pressEnter();
 }
 
+/*
+Function: filterActiveUsers
+Description: Filters out inactive users and returns a map of active users.
+Parameter: const util::Map<std::string, const User*>& listOfUsers - all users
+Return type: util::Map<std::string, const User*>
+*/
 static util::Map<std::string, const User*>
 filterActiveUsers(const util::Map<std::string, const User*>& listOfUsers)
 {
@@ -207,6 +251,13 @@ filterActiveUsers(const util::Map<std::string, const User*>& listOfUsers)
 	return activeUsers;
 }
 
+/*
+Function: displayAllActiveUsers
+Description: Displays all active users in a tabular format with index, ID, username, and type.
+Parameter: util::Map<std::string, const User*>& activeUsers - active users list
+		   int activeUserCount - number of active users
+Return type: void
+*/
 static void displayAllActiveUsers(util::Map<std::string, const User*>& activeUsers, int activeUserCount)
 {
 	std::cout << std::left << std::setw(10) << "Index"
@@ -234,6 +285,12 @@ static void displayAllActiveUsers(util::Map<std::string, const User*>& activeUse
 	}
 }
 
+/*
+Function: removeUser
+Description: Removes a selected active user (customer or technician) from the system.
+Parameter: None
+Return type: void
+*/
 void AdminMenu::removeUser()
 {
 	util::clear();
@@ -266,6 +323,12 @@ void AdminMenu::removeUser()
 	util::pressEnter();
 }
 
+/*
+Function: selectServiceFromServices
+Description: Displays active services and allows the admin 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;
@@ -309,6 +372,12 @@ static const Service* selectServiceFromServices(const util::Map<std::string, con
     return activeServicesMap[userInputIndex];
 }
 
+/*
+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();
@@ -344,6 +413,12 @@ void AdminMenu::createComboPackages()
     util::pressEnter();
 }
 
+/*
+Function: displayComboPackagesWithIndex
+Description: Displays combo packages with index, ID, name, and discount percentage.
+Parameter: util::Map<int, const ComboPackage*>& currentComboPackageIndexMap - combo packages map
+Return type: void
+*/
 static void displayComboPackagesWithIndex(util::Map<int, const ComboPackage*>& currentComboPackageIndexMap)
 {
 	for (int iterator = 0; iterator < currentComboPackageIndexMap.getSize(); iterator++)
@@ -371,6 +446,12 @@ static void displayComboPackagesWithIndex(util::Map<int, const ComboPackage*>& c
 	}
 }
 
+/*
+Function: selectComboPackage
+Description: Allows the admin to select an active combo package by index.
+Parameter: util::Map<std::string, const ComboPackage*>& currentComboPackages - combo packages list
+Return type: std::string - ID of the selected combo package
+*/
 static std::string selectComboPackage(util::Map<std::string, const ComboPackage*>& currentComboPackages)
 {
 	util::Map<int, const ComboPackage*> currentComboPackageIndexMap;
@@ -407,6 +488,12 @@ static std::string selectComboPackage(util::Map<std::string, const ComboPackage*
 	}
 }
 
+/*
+Function: removeComboPackage
+Description: Removes a selected combo package from the system.
+Parameter: None
+Return type: void
+*/
 void AdminMenu::removeComboPackage()
 {
 	util::clear();

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

@@ -1,3 +1,11 @@
+/*
+File: AdminMenu.h
+Description: Header file declaring the AdminMenu class, which provides
+             administrative operations such as inventory management,
+             user management, service configuration, and notifications.
+Author: Trenser
+Date:19-May-2026
+*/
 #pragma once
 #include "Controller.h"
 

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

@@ -1,8 +1,22 @@
+/*
+File: TechnicianMenu.cpp
+Description: Implementation file containing the method definitions of the
+             TechnicianMenu class, including menu handling, job completion,
+             notification viewing, password management, and logout logic.
+Author: Trenser
+Date:19-May-2026
+*/
 #include "TechnicianMenu.h"
 #include "InputHelper.h"
 #include "OutputHelper.h"
 #include "Validator.h"
 
+/*
+Function: showMenu
+Description: Displays the technician menu and handles user input until logout is selected.
+Parameter: None
+Return type: void
+*/
 void TechnicianMenu::showMenu()
 {
     while (true)
@@ -31,6 +45,12 @@ void TechnicianMenu::showMenu()
     }
 }
 
+/*
+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)
@@ -54,6 +74,7 @@ bool TechnicianMenu::handleOperation(int choice)
     return true;
 }
 
+
 void TechnicianMenu::completeJob()
 {
 }
@@ -62,11 +83,23 @@ void TechnicianMenu::viewNotifications()
 {
 }
 
+/*
+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()
 {
 	std::string newPassword;

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

@@ -1,3 +1,11 @@
+/*
+File: TechnicianMenu.h
+Description: Header file declaring the TechnicianMenu class, which provides
+             technician operations such as job completion, notification viewing,
+             password management, and logout functionality.
+Author: Trenser
+Date:19-May-2026
+*/
 #pragma once
 #include "Controller.h"
 

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

@@ -1,8 +1,23 @@
+/*
+File: UserInterface.cpp
+Description: Implementation file containing the method definitions of the
+			 UserInterface class, including system run loop, login handling,
+			 and customer registration logic.
+Author: Trenser
+Date:19-May-2026
+*/
 #include "UserInterface.h"
 #include "InputHelper.h"
 #include "OutputHelper.h"
 #include "User.h"
 
+/*
+Function: run
+Description: Runs the main system loop, displaying the initial menu for login,
+			 customer registration, or exit. Handles exceptions gracefully.
+Parameter: None
+Return type: void
+*/
 void UserInterface::run()
 {
 	bool isMenuActive = true;
@@ -27,6 +42,12 @@ void UserInterface::run()
 	}
 }
 
+/*
+Function: handleOperation
+Description: Executes the corresponding system operation based on the selected menu choice.
+Parameter: int choice - selected menu option
+Return type: bool - true if menu continues, false if exit
+*/
 bool UserInterface::handleOperation(int choice)
 {
 	switch (choice)
@@ -47,6 +68,13 @@ bool UserInterface::handleOperation(int choice)
 	return true;
 }
 
+/*
+Function: login
+Description: Handles user login by validating credentials. Based on the authenticated
+			 user type, navigates to the appropriate menu (Admin, Technician, Customer).
+Parameter: None
+Return type: void
+*/
 void UserInterface::login()
 {
 	std::string username, password;

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

@@ -1,3 +1,12 @@
+/*
+File: UserInterface.h
+Description: Header file declaring the UserInterface class, which provides
+             the main entry point for the Vehicle Service System. Handles
+             login, customer registration, and menu navigation for different
+             user roles (Admin, Technician, Customer).
+Author: Trenser
+Date:19-May-2026
+*/
 #pragma once
 #include "Controller.h"
 #include "AdminMenu.h"