From d8bc8022c04dbedcb99d6e8910204283e4eba5da Mon Sep 17 00:00:00 2001
From: Pierre HUBERT <pierre.git@communiquons.org>
Date: Wed, 1 Jan 2020 11:52:34 +0100
Subject: [PATCH] Can cancel a frienship request

---
 src/controllers/FriendsController.ts | 18 ++++++++++++++++++
 src/controllers/Routes.ts            |  2 ++
 src/helpers/FriendsHelper.ts         | 17 +++++++++++++++++
 3 files changed, 37 insertions(+)

diff --git a/src/controllers/FriendsController.ts b/src/controllers/FriendsController.ts
index 88687cf..d4bc7a0 100644
--- a/src/controllers/FriendsController.ts
+++ b/src/controllers/FriendsController.ts
@@ -115,6 +115,24 @@ export class FriendsController {
 		h.success("Send (create) the friendship request");
 	}
 
+	/**
+	 * Cancel (remove) a friendship request
+	 * 
+	 * @param h Request handler
+	 */
+	public static async CancelRequest(h: RequestHandler) {
+		const friendID = await h.postUserId("friendID");
+
+		if(!await FriendsHelper.SentRequest(h.getUserId(), friendID))
+			h.error(401, "No friendship request was sent to this user!");
+		
+		await FriendsHelper.RemoveRequest(h.getUserId(), friendID);
+
+		// TODO : delete any related notification
+
+		h.success("Friendship request removed!");
+	}
+
 	/**
 	 * Turn a friend object into an API entry
 	 * 
diff --git a/src/controllers/Routes.ts b/src/controllers/Routes.ts
index c5c92bb..040f4b4 100644
--- a/src/controllers/Routes.ts
+++ b/src/controllers/Routes.ts
@@ -85,6 +85,8 @@ export const Routes : Route[] = [
 
 	{path: "/friends/sendRequest", cb: (h) => FriendsController.SendRequest(h)},
 
+	{path: "/friends/removeRequest", cb: (h) => FriendsController.CancelRequest(h)},
+
 
 	// Conversations controller
 	{path: "/conversations/create", cb: (h) => ConversationsController.CreateConversation(h)},
diff --git a/src/helpers/FriendsHelper.ts b/src/helpers/FriendsHelper.ts
index 1e10b05..dfcdad5 100644
--- a/src/helpers/FriendsHelper.ts
+++ b/src/helpers/FriendsHelper.ts
@@ -114,6 +114,23 @@ export class FriendsHelper {
 		}) > 0;
 	}
 
+	/**
+	 * Delete a previously sent friendship request
+	 * 
+	 * @param userID The ID of the user who have sent the request
+	 * @param targetUser The ID of the target user
+	 */
+	public static async RemoveRequest(userID: number, targetUser: number) {
+		await DatabaseHelper.DeleteRows(
+			FRIENDS_TABLE,
+			{
+				ID_personne: targetUser,
+				ID_amis: userID,
+				actif: 0
+			}
+		);
+	}
+
 	/**
 	 * Count the number of friendship requests a user
 	 * received