Can mark related notifications as seen

src/controllers/NotificationsController.ts

@@ -53,6 +53,59 @@ export class NotificationsController {
 		h.send(list.map(this.NotifToAPI));
 	}
 
+	/**
+	 * Mark a notification as seen
+	 * 
+	 * @param h Request handler
+	 */
+	public static async MarkSeen(h: RequestHandler) {
+		const notifID = await this.PostNotifyID(h, "notifID")
+		const deleteSimilar = h.postBool("delete_similar", false)
+		
+		// Check if we are targetting a precise notification or
+		// an unfinite number of similar notifications
+		if(!deleteSimilar) {
+			await NotificationsHelper.Delete(new Notif({
+				id: notifID
+			}))
+		}
+
+		else {
+			// Get information about the notification
+			const notif = await NotificationsHelper.GetSingle(notifID);
+
+			await NotificationsHelper.Delete(new Notif({
+				onElemType: notif.onElemType,
+				onElemID: notif.onElemID,
+				destUserID: h.getUserId()
+			}));
+		}
+
+
+		h.success()
+	}
+
+	/**
+	 * The the ID of a notification included in a request
+	 * 
+	 * @param h Request handler
+	 * @param name The name of the post field
+	 */
+	private static async PostNotifyID(h: RequestHandler, name: string) {
+		const notifID = h.postInt(name);
+
+		// Check if the notification exists and targets the current user
+		const n = new Notif({
+			id: notifID,
+			destUserID: h.getUserId()
+		});
+
+		if(!await NotificationsHelper.SimilarExists(n))
+			h.error(404, "Specified notification not found!");
+		
+		return notifID;
+	}
+
 	/**
 	 * Transform a notification into an API entry
 	 * 

src/controllers/Routes.ts

@@ -262,6 +262,8 @@ export const Routes : Route[] = [
 
 	{path: "/notifications/get_list_unread", cb: (h) => NotificationsController.GetListUnread(h)},
 
+	{path: "/notifications/mark_seen", cb: (h) => NotificationsController.MarkSeen(h)},
+
 
 
 	// Movies controller