Jissin Mathew
95 lines
2.2 KiB
C++
95 lines
2.2 KiB
C++
/*
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File: ServiceManagementService.cpp
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Description: Implements the ServiceManagementService class which manages service-related operations
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in the Vehicle Service Management System. Provides functionality for attaching/detaching observers
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and sending notifications to users regarding service events.
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Author: Trenser
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Date: 20-May-2026
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*/
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#include <stdexcept>
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#include "ServiceManagementService.h"
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#include "User.h"
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#include "Factory.h"
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#include "Timestamp.h"
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util::Map<std::string, User*> ServiceManagementService::m_observers{};
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/*
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Function: attach
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Description: Attaches a user as an observer to the ServiceManagementService for receiving notifications.
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Parameters:
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- user: Pointer to the User object to be attached.
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Returns:
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- void
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*/
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void ServiceManagementService::attach(User* user)
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{
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if (user)
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{
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const std::string& userID = user->getId();
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if (m_observers.find(userID) == -1)
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{
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m_observers[userID] = user;
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}
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}
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}
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/*
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Function: detach
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Description: Detaches a user from the observer list of the ServiceManagementService.
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Parameters:
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- user: Pointer to the User object to be detached.
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Returns:
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- void
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*/
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void ServiceManagementService::detach(User* user)
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{
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if (user)
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{
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const std::string& userID = user->getId();
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if (m_observers.find(userID) != -1)
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{
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m_observers.remove(userID);
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}
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}
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}
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/*
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Function: sendNotification
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Description: Sends a notification to a user if they are registered as an observer.
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Parameters:
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- user: Pointer to the User object to receive the notification.
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- title: Title of the notification.
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- message: Message content of the notification.
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Returns:
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- void
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Throws:
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- std::runtime_error if notification creation fails.
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*/
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void ServiceManagementService::sendNotification(User* user, const std::string& title, const std::string& message)
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{
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if (user)
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{
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if (m_observers.find(user->getId()) != -1)
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{
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Notification* notification =
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Factory::getObject<Notification>(
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user->getId(),
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user,
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"ServiceManagementService: " + title,
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message,
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util::Timestamp()
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);
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if (notification)
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{
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user->addNotification(notification);
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}
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else
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{
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throw std::runtime_error("Failed to create notification");
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}
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}
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}
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}
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