1//File: controllers/userController.js
  2var mongoose = require('mongoose');
  3var userModel = mongoose.model('userModel');
  4var notificationModel  = mongoose.model('notificationModel');
  5
  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
 14var crypto = require('crypto');
 15/* */
 16
 17//POST - Insert a new User in the DB
 18exports.signup = function(req, res) {
 19
 20    var user = new userModel({
 21        username: req.body.username,
 22        password: crypto.createHash('sha256').update(req.body.password).digest('base64'),
 23        description: req.body.description,
 24        avatar: req.body.avatar,
 25        email: req.body.email,
 26        phone: req.body.phone,
 27        telegram: req.body.telegram
 28    });
 29    if (user.username == undefined) {
 30        return res.status(500).jsonp("empty inputs");
 31    } else if (user.password == undefined) {
 32        return res.status(500).jsonp("empty inputs");
 33    } else if (user.email == undefined) {
 34        return res.status(500).jsonp("empty inputs");
 35    }
 36
 37    user.save(function(err, user) {
 38        if (err) return res.send(500, err.message);
 39
 40		exports.login(req, res);
 41    });
 42};
 43
 44
 45//POST - auth user
 46exports.login = function(req, res) {
 47    // find the user
 48    userModel.findOne({
 49        username: req.body.username
 50    }, function(err, user) {
 51
 52        if (err) throw err;
 53
 54        if (!user) {
 55            res.json({
 56                success: false,
 57                message: 'Authentication failed. User not found.'
 58            });
 59        } else if (user) {
 60
 61            req.body.password = crypto.createHash('sha256').update(req.body.password).digest('base64');
 62
 63            // check if password matches
 64            if (user.password != req.body.password) {
 65                res.json({
 66                    success: false,
 67                    message: 'Authentication failed. Wrong password.'
 68                });
 69            } else {
 70
 71                // if user is found and password is right
 72                // create a token
 73                var token = jwt.sign({foo: 'bar'}, app.get('superSecret'), {
 74                    //expiresInMinutes: 1440 // expires in 24 hours
 75                    //expiresIn: '60m'
 76                });
 77                user.token = token;
 78                user.save(function(err, user) {
 79                    if (err) return res.send(500, err.message);
 80                    //res.status(200).jsonp(travel);
 81                    console.log(user);
 82                    // return the information including token as JSON
 83                    user.password = "";
 84                    res.json({
 85                        success: true,
 86                        message: 'Enjoy your token!',
 87                        token: token,
 88                        user: user
 89                    });
 90                });
 91
 92            }
 93
 94        }
 95
 96    });
 97};
 98
 99//GET - Return all Users in the DB
100exports.getAllUsers = function(req, res) {
101    userModel.find()
102        .limit(Number(req.query.pageSize))
103        .skip(Number(req.query.pageSize) * Number(req.query.page))
104        .exec(function (err, users) {
105            if (err) return res.send(500, err.message);
106            res.status(200).jsonp(users);
107        });
108};
109
110//GET - Return a User with specified ID
111exports.getUserById = function (req, res) {
112    userModel.findOne({_id: req.params.userid})
113    .lean()
114    .populate('travels', 'title from to date')
115    .exec(function (err, user) {
116        if (err) return res.send(500, err.message);
117        if (!user) {
118            res.json({success: false, message: 'User not found.'});
119        } else if (user) {
120
121            res.status(200).jsonp(user);
122        }
123    });
124};
125//GET - Return a User with specified ID
126exports.getUserByToken = function (req, res) {
127    userModel.findOne({'token': req.headers['x-access-token']})
128    .lean()
129    .populate('travels', 'title from to date')
130    .exec(function (err, user) {
131        if (err) return res.send(500, err.message);
132        if (!user) {
133            res.json({success: false, message: 'User not found.'});
134        } else if (user) {
135
136            res.status(200).jsonp(user);
137        }
138    });
139};
140
141exports.updateUser = function (req, res) {
142    userModel.update({'token': req.headers['x-access-token']}, req.body,
143        function (err) {
144            if (err) return console.log(err);
145            console.log(user);
146            userModel.findOne({_id: user._id})
147            .lean()
148            .populate('travels', 'title from to date')
149            .exec(function (err, user) {
150                if (err) return res.send(500, err.message);
151                if (!user) {
152                    res.json({success: false, message: 'User not found.'});
153                } else if (user) {
154
155                    res.status(200).jsonp(user);
156                }
157            });
158        });
159};
160
161//DELETE - Delete a user with specified ID
162exports.deleteUser = function(req, res) {
163    userModel.findOne({'token': req.headers['x-access-token']})
164    .exec(function(err, user) {
165        user.remove(function(err) {
166            if (err) return res.send(500, err.message);
167            res.status(200).jsonp("deleted");
168        })
169    });
170};
171/* fav */
172exports.addFav = function(req, res) {
173    var tokenuser;
174    userModel.find({
175        token: req.headers['x-access-token']
176    }, function(err, users) {
177        tokenuser = users[0];
178    });
179    userModel.findById(req.params.userId, function(err, user) {
180
181        // first search if user have already said like
182        var favRepeated = false;
183        for (var i = 0; i < user.favs.length; i++) {
184            if (user.favs[i].username == tokenuser.username) {
185                favRepeated = true;
186            }
187        }
188        console.log("favRepeated: " + favRepeated);
189        if (favRepeated == false) {
190            //fav
191            var fav = {
192                userId: tokenuser._id,
193                username: tokenuser.username,
194                avatar: tokenuser.avatar
195            };
196            user.favs.push(fav);
197
198            //notification
199            var notification = {
200                type: "fav",
201                otherusername: tokenuser.username,
202                description: "user " + tokenuser.username + " favs you",
203                date: new Date(),
204                link: ""
205            };
206            user.notifications.push(notification);
207
208            user.save(function(err, user) {
209                if (err) return res.send(500, err.message);
210
211
212                //once saved, send the users json to client
213                userModel.find(function(err, users) {
214                    if (err) res.send(500, err.message);
215                    res.status(200).jsonp(users);
216                });
217            });
218        } else {
219            userModel.find(function(err, users) {
220                if (err) res.send(500, err.message);
221                res.status(200).jsonp(users);
222            });
223        }
224
225    });
226};
227exports.doUnfav = function(req, res) {
228    var tokenuser;
229    userModel.find({
230        token: req.headers['x-access-token']
231    }, function(err, users) {
232        tokenuser = users[0];
233    });
234
235    userModel.findById(req.params.userId, function(err, user) {
236        for (var i = 0; i < user.favs.length; i++) {
237            if (user.favs[i].username == tokenuser.username) {
238                user.favs.splice(i, 1);
239            }
240        }
241
242        user.save(function(err, travel) {
243            if (err) return res.send(500, err.message);
244            //res.status(200).jsonp(travel);
245            userModel.find(function(err, users) {
246                if (err) res.send(500, err.message);
247                res.status(200).jsonp(users);
248            });
249        });
250    });
251};