feat(frontend) : add notification DTO and service

frontend/services/dto/notification.ts

@@ -0,0 +1,13 @@
+export type NotificationType = 'ticket_created' | 'ticket_status_changed'
+
+export type Notification = {
+    '@id'?: string
+    id: number
+    user: string
+    type: NotificationType
+    title: string
+    message: string
+    relatedTicket: string | null
+    isRead: boolean
+    createdAt: string
+}

frontend/services/notifications.ts

@@ -0,0 +1,33 @@
+import type { Notification } from './dto/notification'
+import type { HydraCollection } from '~/utils/api'
+import { extractHydraMembers } from '~/utils/api'
+
+export function useNotificationService() {
+    const api = useApi()
+
+    async function getAll(): Promise<Notification[]> {
+        const data = await api.get<HydraCollection<Notification>>('/notifications')
+        return extractHydraMembers(data)
+    }
+
+    async function markAsRead(id: number): Promise<void> {
+        await api.patch(`/notifications/${id}`, { isRead: true }, {
+            toast: false,
+        })
+    }
+
+    async function markAllAsRead(): Promise<void> {
+        await api.post('/notifications/mark-all-read', {}, {
+            toast: false,
+        })
+    }
+
+    async function getUnreadCount(): Promise<number> {
+        const data = await api.get<{ count: number }>('/notifications/unread-count', {}, {
+            toast: false,
+        })
+        return data.count
+    }
+
+    return { getAll, markAsRead, markAllAsRead, getUnreadCount }
+}