Notifications

water-api/src/controllers/notification.controller.ts

@@ -0,0 +1,233 @@
+import { Response } from 'express';
+import { AuthenticatedRequest } from '../middleware/auth.middleware';
+import * as notificationService from '../services/notification.service';
+import { NotificationFilter } from '../types';
+
+/**
+ * GET /api/notifications
+ * List all notifications for the authenticated user with pagination
+ * Query params: page, limit, is_read, notification_type, start_date, end_date
+ */
+export async function getAll(req: AuthenticatedRequest, res: Response): Promise<void> {
+  try {
+    if (!req.user?.userId) {
+      res.status(401).json({
+        success: false,
+        error: 'Unauthorized',
+      });
+      return;
+    }
+
+    const page = parseInt(req.query.page as string, 10) || 1;
+    const limit = Math.min(parseInt(req.query.limit as string, 10) || 20, 100);
+
+    const filters: NotificationFilter = {};
+
+    if (req.query.is_read !== undefined) {
+      filters.is_read = req.query.is_read === 'true';
+    }
+
+    if (req.query.notification_type) {
+      filters.notification_type = req.query.notification_type as 'NEGATIVE_FLOW' | 'SYSTEM_ALERT' | 'MAINTENANCE';
+    }
+
+    if (req.query.start_date) {
+      filters.start_date = new Date(req.query.start_date as string);
+    }
+
+    if (req.query.end_date) {
+      filters.end_date = new Date(req.query.end_date as string);
+    }
+
+    const result = await notificationService.getAllForUser(
+      req.user.userId,
+      filters,
+      { page, limit }
+    );
+
+    res.status(200).json({
+      success: true,
+      data: result.notifications,
+      pagination: result.pagination,
+    });
+  } catch (error) {
+    console.error('Error fetching notifications:', error);
+    res.status(500).json({
+      success: false,
+      error: 'Failed to fetch notifications',
+    });
+  }
+}
+
+/**
+ * GET /api/notifications/unread-count
+ * Get count of unread notifications for the authenticated user
+ */
+export async function getUnreadCount(req: AuthenticatedRequest, res: Response): Promise<void> {
+  try {
+    if (!req.user?.userId) {
+      res.status(401).json({
+        success: false,
+        error: 'Unauthorized',
+      });
+      return;
+    }
+
+    const count = await notificationService.getUnreadCount(req.user.userId);
+
+    res.status(200).json({
+      success: true,
+      data: { count },
+    });
+  } catch (error) {
+    console.error('Error fetching unread count:', error);
+    res.status(500).json({
+      success: false,
+      error: 'Failed to fetch unread count',
+    });
+  }
+}
+
+/**
+ * GET /api/notifications/:id
+ * Get a single notification by ID
+ */
+export async function getById(req: AuthenticatedRequest, res: Response): Promise<void> {
+  try {
+    if (!req.user?.userId) {
+      res.status(401).json({
+        success: false,
+        error: 'Unauthorized',
+      });
+      return;
+    }
+
+    const { id } = req.params;
+    const notification = await notificationService.getById(id, req.user.userId);
+
+    if (!notification) {
+      res.status(404).json({
+        success: false,
+        error: 'Notification not found',
+      });
+      return;
+    }
+
+    res.status(200).json({
+      success: true,
+      data: notification,
+    });
+  } catch (error) {
+    console.error('Error fetching notification:', error);
+    res.status(500).json({
+      success: false,
+      error: 'Failed to fetch notification',
+    });
+  }
+}
+
+/**
+ * PATCH /api/notifications/:id/read
+ * Mark a notification as read
+ */
+export async function markAsRead(req: AuthenticatedRequest, res: Response): Promise<void> {
+  try {
+    if (!req.user?.userId) {
+      res.status(401).json({
+        success: false,
+        error: 'Unauthorized',
+      });
+      return;
+    }
+
+    const { id } = req.params;
+    const notification = await notificationService.markAsRead(id, req.user.userId);
+
+    if (!notification) {
+      res.status(404).json({
+        success: false,
+        error: 'Notification not found',
+      });
+      return;
+    }
+
+    res.status(200).json({
+      success: true,
+      data: notification,
+    });
+  } catch (error) {
+    console.error('Error marking notification as read:', error);
+    res.status(500).json({
+      success: false,
+      error: 'Failed to mark notification as read',
+    });
+  }
+}
+
+/**
+ * PATCH /api/notifications/read-all
+ * Mark all notifications as read for the authenticated user
+ */
+export async function markAllAsRead(req: AuthenticatedRequest, res: Response): Promise<void> {
+  try {
+    if (!req.user?.userId) {
+      res.status(401).json({
+        success: false,
+        error: 'Unauthorized',
+      });
+      return;
+    }
+
+    const count = await notificationService.markAllAsRead(req.user.userId);
+
+    res.status(200).json({
+      success: true,
+      data: { count },
+      message: `Marked ${count} notification(s) as read`,
+    });
+  } catch (error) {
+    console.error('Error marking all notifications as read:', error);
+    res.status(500).json({
+      success: false,
+      error: 'Failed to mark all notifications as read',
+    });
+  }
+}
+
+/**
+ * DELETE /api/notifications/:id
+ * Delete a notification
+ */
+export async function deleteNotification(req: AuthenticatedRequest, res: Response): Promise<void> {
+  try {
+    if (!req.user?.userId) {
+      res.status(401).json({
+        success: false,
+        error: 'Unauthorized',
+      });
+      return;
+    }
+
+    const { id } = req.params;
+    const deleted = await notificationService.deleteNotification(id, req.user.userId);
+
+    if (!deleted) {
+      res.status(404).json({
+        success: false,
+        error: 'Notification not found',
+      });
+      return;
+    }
+
+    res.status(200).json({
+      success: true,
+      message: 'Notification deleted successfully',
+    });
+  } catch (error) {
+    console.error('Error deleting notification:', error);
+    res.status(500).json({
+      success: false,
+      error: 'Failed to delete notification',
+    });
+  }
+}