Can update following status of a frienship

src/controllers/FriendsController.ts

@@ -158,7 +158,7 @@ export class FriendsController {
 	 * @param h Request handler
 	 */
 	public static async RemoveFriend(h: RequestHandler) {
-		const friendID = await h.postUserId("friendID");
+		const friendID = await h.postFriendId("friendID");
 
 		await FriendsHelper.RemoveFriendship(h.getUserId(), friendID);
 
@@ -167,6 +167,20 @@ export class FriendsController {
 		h.success("The friend was removed from the list!");
 	}
 
+	/**
+	 * Update following status of a friendship
+	 * 
+	 * @param h Request handler
+	 */
+	public static async SetFollowing(h: RequestHandler) {
+		const friendID = await h.postFriendId("friendID");
+		const follow = h.postBool("follow");
+
+		await FriendsHelper.SetFollowing(h.getUserId(), friendID, follow);
+
+		h.success("Following status upated!");
+	}
+
 	/**
 	 * Turn a friend object into an API entry
 	 * 

src/controllers/Routes.ts

@@ -91,6 +91,8 @@ export const Routes : Route[] = [
 
 	{path: "/friends/remove", cb: (h) => FriendsController.RemoveFriend(h)},
 
+	{path: "/friends/setFollowing", cb: (h) => FriendsController.SetFollowing(h)},
+
 
 	// Conversations controller
 	{path: "/conversations/create", cb: (h) => ConversationsController.CreateConversation(h)},

src/entities/RequestHandler.ts

@@ -10,6 +10,7 @@ import { UserHelper } from "../helpers/UserHelper";
 import { GroupsAccessLevel } from "./Group";
 import { GroupsHelper } from "../helpers/GroupsHelper";
 import { checkVirtualDirectory } from "../utils/VirtualDirsUtils";
+import { FriendsHelper } from "../helpers/FriendsHelper";
 
 /**
  * Response to a request
@@ -209,6 +210,20 @@ export class RequestHandler {
 		return userID;
 	}
 
+	/**
+	 * Get the ID of a friend included in a POST request
+	 * 
+	 * @param name Name of the POST field
+	 */
+	public async postFriendId(name: string) : Promise<number> {
+		const friendID = await this.postUserId(name);
+
+		if(!await FriendsHelper.AreFriend(this.getUserId(), friendID))
+			this.error(401, "You are not friend with this personn!");
+
+		return friendID;
+	}
+
 	/**
 	 * Find user ID based on its email address, included in a POST request
 	 * 

src/helpers/FriendsHelper.ts

@@ -227,6 +227,26 @@ export class FriendsHelper {
 		}) > 0;
 	}
 
+	/**
+	 * Update the following status for a friendship
+	 * 
+	 * @param userID The ID of the user updating the status
+	 * @param friendID The ID of the target friend
+	 * @param follow New following status
+	 */
+	public static async SetFollowing(userID: number, friendID: number, follow: boolean) {
+		await DatabaseHelper.UpdateRows({
+			table: FRIENDS_TABLE,
+			where: {
+				ID_personne: userID,
+				ID_amis: friendID
+			},
+			set: {
+				abonnement: follow ? 1 : 0
+			}
+		})
+	}
+
 	/**
 	 * Check whether a user is following a friend or not
 	 *