1//File: controllers/userController.js
  2var mongoose = require('mongoose');
  3var userModel  = mongoose.model('userModel');
  4
  5var md5 = require('md5');
  6
  7/* */
  8var jwt    = require('jsonwebtoken'); // used to create, sign, and verify tokens
  9var express         = require("express");
 10var app             = express();
 11var config = require('../config'); // get our config file
 12app.set('superSecret', config.secret); // secret variable
 13/* */
 14
 15//GET - Return all Users in the DB
 16exports.findAllUsers = function(req, res) {
 17	userModel.find(function(err, users) {
 18    if(err) res.send(500, err.message);
 19
 20	//password deletion
 21	for(var i=0; i<users.length; i++)
 22	{
 23		users[i].password="";
 24		users[i].token="";
 25		console.log(users[i].password);
 26	}
 27
 28    console.log('GET /users');
 29		res.status(200).jsonp(users);
 30	});
 31};
 32
 33//GET - Return a User with specified ID
 34exports.findById = function(req, res) {
 35	userModel.findById(req.params.id, function(err, user) {
 36    if(err) return res.send(500, err.message);
 37
 38    console.log('GET /users/' + req.params.id);
 39	//password deletion
 40	if(user!=null){
 41		user.password="";
 42		users.token="";
 43	}
 44		res.status(200).jsonp(user);
 45	});
 46};
 47
 48exports.findUserByUsername = function(req, res) {
 49    userModel.find({
 50      username: req.params.username
 51  }, function(err, user) {
 52
 53      if (err) throw err;
 54
 55      if (!user) {
 56        res.json({ success: false, message: 'no user found' });
 57    } else if (user) {
 58          // return the information including token as JSON
 59          //res.jsonp(user);
 60		  user.password="";
 61			users.token="";
 62          console.log(user);
 63	  		res.status(200).jsonp(user[0]);
 64
 65
 66      }
 67
 68    });
 69};
 70
 71//POST - Insert a new User in the DB
 72exports.addUser = function(req, res) {
 73	console.log('POST new user, name: ' + req.body.username);
 74	//console.log(req.body);
 75
 76	var user = new userModel({
 77		username: req.body.username,
 78		password: md5(req.body.password),
 79	    description:   req.body.description,
 80	    avatar:   req.body.avatar,
 81	    mail:   req.body.mail,
 82		phone: req.body.phone,
 83		telegram: req.body.telegram
 84	});
 85	if(user.username==undefined)
 86	{
 87		return res.status(500).jsonp("empty inputs");
 88	}else if(user.password==undefined)
 89	{
 90		return res.status(500).jsonp("empty inputs");
 91	}else if(user.description==undefined)
 92	{
 93		return res.status(500).jsonp("empty inputs");
 94	}else if(user.avatar==undefined)
 95	{
 96		return res.status(500).jsonp("empty inputs");
 97	}else if(user.mail==undefined)
 98	{
 99		return res.status(500).jsonp("empty inputs");
100	}
101
102	user.save(function(err, user) {
103		if(err) return res.send(500, err.message);
104    res.status(200).jsonp(user);
105	});
106};
107
108/* fav */
109exports.addFav = function(req, res) {
110	var tokenuser;
111	userModel.find({
112		token: req.headers['x-access-token']
113	}, function(err, users){
114		tokenuser=users[0];
115	});
116	userModel.findById(req.params.userId, function(err, user){
117
118		// first search if user have already said like
119		var favRepeated=false;
120		for(var i=0; i<user.favs.length; i++)
121		{
122			if(user.favs[i].username==tokenuser.username)
123			{
124				favRepeated=true;
125			}
126		}
127		console.log("favRepeated: " + favRepeated);
128		if(favRepeated==false)
129		{
130			var fav = {
131				userId: tokenuser._id,
132				username: tokenuser.username,
133				avatar: tokenuser.avatar
134			};
135			user.favs.push(fav);
136
137			user.save(function(err, user) {
138				if(err) return res.send(500, err.message);
139		    //res.status(200).jsonp(travel);
140				userModel.find(function(err, users) {
141				    if(err) res.send(500, err.message);
142						res.status(200).jsonp(users);
143				});
144			});
145		}else{
146			userModel.find(function(err, users) {
147					if(err) res.send(500, err.message);
148					res.status(200).jsonp(users);
149			});
150		}
151
152	});
153};
154exports.doUnfav = function(req, res) {
155	var tokenuser;
156	userModel.find({
157		token: req.headers['x-access-token']
158	}, function(err, users){
159		tokenuser=users[0];
160	});
161
162	userModel.findById(req.params.userId, function(err, user){
163		for(var i=0; i<user.favs.length; i++)
164		{
165			if(user.favs[i].username==tokenuser.username)
166			{
167				user.favs.splice(i, 1);
168			}
169		}
170
171		user.save(function(err, travel) {
172			if(err) return res.send(500, err.message);
173			//res.status(200).jsonp(travel);
174			userModel.find(function(err, users) {
175			    if(err) res.send(500, err.message);
176					res.status(200).jsonp(users);
177			});
178		});
179	});
180};
181
182//PUT - Update a user already exists
183exports.updateUser = function(req, res) {
184	userModel.findById(req.params.id, function(err, user) {
185		user.username   = req.body.username;
186		user.password    = md5(req.body.password);
187		user.description = req.body.description;
188		user.avatar  = req.body.avatar;
189		user.mail = req.body.mail;
190		user.phone   = req.body.phone;
191		user.telegram = req.body.telegram;
192
193		user.save(function(err) {
194			if(err) return res.send(500, err.message);
195			user.password="";
196			users.token="";
197      	res.status(200).jsonp(user);
198		});
199	});
200};
201
202//DELETE - Delete a user with specified ID
203exports.deleteUser = function(req, res) {
204	userModel.findById(req.params.id, function(err, user) {
205		user.remove(function(err) {
206			if(err) return res.send(500, err.message);
207      		res.status(200).jsonp(req.params.id);
208		    console.log('DELETE /users/' + req.params.id);
209		})
210	});
211};
212
213
214//POST - auth user
215exports.login = function(req, res) {
216	// find the user
217  userModel.findOne({
218    username: req.body.username
219  }, function(err, user) {
220
221    if (err) throw err;
222
223    if (!user) {
224      res.json({ success: false, message: 'Authentication failed. User not found.' });
225    } else if (user) {
226
227			req.body.password=md5(req.body.password);
228
229      // check if password matches
230      if (user.password != req.body.password) {
231        res.json({ success: false, message: 'Authentication failed. Wrong password.' });
232      } else {
233
234        // if user is found and password is right
235        // create a token
236        var token = jwt.sign(user, app.get('superSecret'), {
237          //expiresInMinutes: 1440 // expires in 24 hours
238		  //expiresIn: '60m'
239        });
240				user.token=token;
241				user.save(function(err, user) {
242					if(err) return res.send(500, err.message);
243					//res.status(200).jsonp(travel);
244					console.log(user);
245	        // return the information including token as JSON
246					user.password="";
247	        res.json({
248	          success: true,
249	          message: 'Enjoy your token!',
250	          token: token,
251					  avatar: user.avatar,
252					  userid: user._id,
253						userdata: user
254	        });
255				});
256
257      }
258
259    }
260
261  });
262};