model user

var mongoose = require('mongoose');
var bcrypt = require('bcryptjs');

//User schema
var UserSchema = mongoose.Schema({
    login:{
        type:String,
        index:true
    },
    password:{
        type:String
    },
    email:{
        type:String
    }
});

var User = module.exports = mongoose.model('User',UserSchema);

module.exports.createUser = function(newUser, callback){
    bcrypt.genSalt(10, function(err, salt) {
        bcrypt.hash(newUser.password, salt, function(err, hash) {
            newUser.password = hash;
            newUser.save(callback);
        });
    });
}

module.exports.test = function(login, callback){
    User.find( {login : login}, callback);
}

module.exports.getUserByEmail = function(email, callback){
    var query = {email: email};
    User.findOne(query,callback);
}

module.exports.getUserById = function(id, callback){
    User.findById(id,callback);
}

module.exports.getUserByUsername = function(login, callback){
    console.log("login "+login);
    var query = {login: login};
    User.findOne(query, callback);
}

module.exports.comparePassword = function(candidatePassword,hash, callback){
    bcrypt.compare(candidatePassword, hash, function(err, isMatch) {
        if(err){ throw err };
        callback(null, isMatch);
    });
}