decline join travel, and leave travel implemented

controllers/travelController.js

@@ -229,6 +229,73 @@ exports.unJoin = function(req, res) {
 	});
 };
 
+
+exports.declineJoin = function(req, res) {
+	userModel.findOne({'token': req.headers['x-access-token']})
+	.exec(function(err, userOwner){
+		if (err) return res.send(500, err.message);
+		if (!userOwner) {
+            res.json({success: false, message: 'User not found.'});
+        } else if (userOwner) {
+			travelModel.findOne({
+				_id: req.params.travelid,
+				user: userOwner._id,
+				joinPetitions: req.body.userid
+			})
+			.exec(function(err, travel){
+				if (err) return res.send(500, err.message);
+				if (!travel) {
+		            res.json({success: false, message: 'travel not found. You can not join a travel if you have created it, or if you have already joined'});
+		        } else if (travel) {
+					var indexPetition=-1;
+					for(var i=0; i<travel.joinPetitions.length; i++)
+					{
+						if(travel.joinPetitions[i].equals(req.body.userid))
+						{
+							indexPetition=JSON.parse(JSON.stringify(i));
+						}
+					}
+					if(indexPetition>-1)
+					{
+						travel.joinPetitions.splice(indexPetition, 1);
+					}
+					travel.save(function(err, travel) {
+						if(err) return res.send(500, err.message);
+
+						//start saving notification, get user owner of travel
+						userModel.findOne({_id: req.body.userid})
+						.exec(function(err, user){
+							if (err) return res.send(500, err.message);
+							if (!user) {
+					            res.json({success: false, message: 'User not found.'});
+					        } else if (user) {
+							//notification
+								var notification = new notificationModel({
+									concept: "travel",
+									message: "user "+userOwner.username+" declines your petition for "+travel.title,
+									date: new Date(),
+									icon: 'travel.png',
+									link: "travels/" + travel._id
+								});
+								notification.save(function(err, notification) {
+									if (err) return res.send(500, err.message);
+									user.notifications.push(notification._id);
+									user.save(function(err, user) {
+										if (err) return res.send(500, err.message);
+
+										console.log("notification saved");
+										exports.getTravelById(req, res);
+									});
+								});
+							}
+						});//end saving notification
+					});//end of travel save
+				}//end of else if travel
+			});
+		}//end of else if user
+	});
+};
+
 exports.acceptJoin = function(req, res) {
 	userModel.findOne({'token': req.headers['x-access-token']})
 	.exec(function(err, userOwner){
@@ -297,6 +364,65 @@ exports.acceptJoin = function(req, res) {
 	});
 };
 
+exports.leave = function(req, res) {
+	userModel.findOne({'token': req.headers['x-access-token']})
+	.exec(function(err, userLeaving){
+		if (!userLeaving) {
+            res.json({success: false, message: 'userLeaving not found.'});
+        } else if (userLeaving) {
+			travelModel.findOne({
+				_id: req.params.travelid,
+				joins: userLeaving._id
+			})
+			.exec(function(err, travel){
+				if (err) return res.send(500, err.message);
+				if (!travel) {
+		            res.json({success: false, message: 'can not unjoin this travel'});
+		        } else if (travel) {
+					for(var i=0; i<travel.joins.length; i++)
+					{
+						if(travel.joins[i].equals(userLeaving._id))
+						{
+							travel.joins.splice(i, 1);
+						}
+					}
+					travel.save(function(err, travel) {
+						if(err) return res.send(500, err.message);
+						//start saving notification, get user owner of travel
+						userModel.findOne({_id: travel.user})
+						.exec(function(err, user){
+							if (err) return res.send(500, err.message);
+							if (!user) {
+					            res.json({success: false, message: 'User not found.'});
+					        } else if (user) {
+							//notification
+								var notification = new notificationModel({
+									concept: "leave",
+									message: "user "+userLeaving.username+" leaves your travel "+travel.title,
+									date: new Date(),
+									icon: 'leave.png',
+									link: "travels/" + travel._id
+								});
+								notification.save(function(err, notification) {
+									if (err) return res.send(500, err.message);
+									user.notifications.push(notification._id);
+									user.save(function(err, user) {
+										if (err) return res.send(500, err.message);
+
+										console.log("notification saved");
+										exports.getTravelById(req, res);
+									});
+								});
+							}
+						});//end saving notification
+					});
+				}
+			});
+		}
+
+	});
+};
+
 exports.getTravelsByUserId = function(req, res) {
 	travelModel.find({
 		user: req.params.userid

server.js

@@ -126,8 +126,12 @@ apiRoutes.route('/travels/join/:travelid')
     .post(travelCtrl.addJoinPetition);
 apiRoutes.route('/travels/unjoin/:travelid')
     .post(travelCtrl.unJoin);
+apiRoutes.route('/travels/leave/:travelid')
+    .post(travelCtrl.leave);
 apiRoutes.route('/travels/byuser/id/:userid')
     .get(travelCtrl.getTravelsByUserId);
+apiRoutes.route('/travels/declineJoin/:travelid')
+    .post(travelCtrl.declineJoin);
 apiRoutes.route('/travels/acceptJoin/:travelid')
     .post(travelCtrl.acceptJoin);
 //FINS AQUÏ COMPROVAT