Close #2708 Remove user's avatar from filesystem when deleting the user (#2853)

packages/rocketchat-lib/package.js

@@ -71,6 +71,7 @@ Package.onUse(function(api) {
 	// SERVER FUNCTIONS
 	api.addFiles('server/functions/checkUsernameAvailability.coffee', 'server');
 	api.addFiles('server/functions/checkEmailAvailability.js', 'server');
+	api.addFiles('server/functions/deleteUser.js', 'server');
 	api.addFiles('server/functions/sendMessage.coffee', 'server');
 	api.addFiles('server/functions/settings.coffee', 'server');
 	api.addFiles('server/functions/setUsername.coffee', 'server');

packages/rocketchat-lib/server/functions/deleteUser.js

+/* globals RocketChat */
+RocketChat.deleteUser = function(userId) {
+	const user = RocketChat.models.Users.findOneById(userId);
+
+	RocketChat.models.Messages.removeByUserId(userId); // Remove user messages
+	RocketChat.models.Subscriptions.findByUserId(userId).forEach((subscription) => {
+		let room = RocketChat.models.Rooms.findOneById(subscription.rid);
+		if (room) {
+			if (room.t !== 'c' && room.usernames.length === 1) {
+				RocketChat.models.Rooms.removeById(subscription.rid); // Remove non-channel rooms with only 1 user (the one being deleted)
+			}
+			if (room.t === 'd') {
+				RocketChat.models.Subscriptions.removeByRoomId(subscription.rid);
+				RocketChat.models.Messages.removeByRoomId(subscription.rid);
+			}
+		}
+	});
+
+	RocketChat.models.Subscriptions.removeByUserId(userId); // Remove user subscriptions
+	RocketChat.models.Rooms.removeByTypeContainingUsername('d', user.username); // Remove direct rooms with the user
+	RocketChat.models.Rooms.removeUsernameFromAll(user.username); // Remove user from all other rooms
+
+	// removes user's avatar
+	if (user.avatarOrigin === 'upload' || user.avatarOrigin === 'url') {
+		RocketChatFileAvatarInstance.deleteFile(encodeURIComponent(user.username + '.jpg'));
+	}
+
+	RocketChat.models.Users.removeById(userId); // Remove user from users database
+};

packages/rocketchat-lib/server/methods/deleteUserOwnAccount.js

@@ -25,24 +25,7 @@ Meteor.methods({
 		}
 
 		Meteor.defer(function() {
-			RocketChat.models.Messages.removeByUserId(userId); // Remove user messages
-			RocketChat.models.Subscriptions.findByUserId(userId).forEach((subscription) => {
-				let room = RocketChat.models.Rooms.findOneById(subscription.rid);
-				if (room) {
-					if (room.t !== 'c' && room.usernames.length === 1) {
-						RocketChat.models.Rooms.removeById(subscription.rid); // Remove non-channel rooms with only 1 user (the one being deleted)
-					}
-					if (room.t === 'd') {
-						RocketChat.models.Subscriptions.removeByRoomId(subscription.rid);
-						RocketChat.models.Messages.removeByRoomId(subscription.rid);
-					}
-				}
-			});
-
-			RocketChat.models.Subscriptions.removeByUserId(userId); // Remove user subscriptions
-			RocketChat.models.Rooms.removeByTypeContainingUsername('d', user.username); // Remove direct rooms with the user
-			RocketChat.models.Rooms.removeUsernameFromAll(user.username); // Remove user from all other rooms
-			RocketChat.models.Users.removeById(userId); // Remove user from users database
+			RocketChat.deleteUser(userId);
 		});
 
 		return true;

server/methods/deleteUser.coffee

@@ -12,20 +12,6 @@ Meteor.methods
 		unless user?
 			throw new Meteor.Error 'not-found', '[methods] deleteUser -> User not found'
 
-		RocketChat.models.Messages.removeByUserId userId # Remove user messages
-
-		RocketChat.models.Subscriptions.findByUserId(userId).forEach (subscription) ->
-			room = RocketChat.models.Rooms.findOneById subscription.rid
-			if room.t isnt 'c' and room.usernames.length is 1
-				RocketChat.models.Rooms.removeById subscription.rid # Remove non-channel rooms with only 1 user (the one being deleted)
-			if room.t is 'd' 
-				RocketChat.models.Subscriptions.removeByRoomId subscription.rid
-				RocketChat.models.Messages.removeByRoomId subscription.rid
-
-
-		RocketChat.models.Subscriptions.removeByUserId userId # Remove user subscriptions
-		RocketChat.models.Rooms.removeByTypeContainingUsername 'd', user.username # Remove direct rooms with the user
-		RocketChat.models.Rooms.removeUsernameFromAll user.username # Remove user from all other rooms
-		RocketChat.models.Users.removeById userId # Remove user from users database
+		RocketChat.deleteUser(userId)
 
 		return true