<?php

class Service_User extends System_Service_Base{

	public function __construct(){
		$this->user_model = new UserModel();
	}

	/**
	 * 根据条件获取用户列表
	 * @param  array   $query  [description]
	 * @param  array   $fields [description]
	 * @param  array   $sort   [description]
	 * @param  integer $limit  [description]
	 * @param  integer $skip   [description]
	 * @return [type]          [description]
	 */
	public function getUserList($query=array(),$fields=array(),$sort=array(),$limit=0,$skip=0){
		return $this->user_model->getList($query, $fields, $sort, $limit, $skip);
	}

	/**
	 * 根据条件获取数量
	 * @param  array   $query [description]
	 * @param  integer $limit [description]
	 * @param  integer $skip  [description]
	 * @return [type]         [description]
	 */
	public function getUserListTotal($query=array(),$limit=0,$skip=0){
		return $this->user_model->count($query, $limit, $skip);
	}

	/**
	 * 添加用户
	 * @param [type] $data [description]
	 */
	public function add($data){
		return $this->user_model->add($data);
	}

	/**
	 * 更新用户信息
	 * @param  [type] $data [description]
	 * @return [type]       [description]
	 */
	public function update($data, $query = array()){
		return $this->user_model->update($data, $query);
	}

	/**
	 * 根据条件，获取用户信息
	 * @param  array  $query [description]
	 * @param  array  $field [description]
	 * @return [type]        [description]
	 */
	public function getUserInfo($query = array(), $field = array()){
		return $this->user_model->get($query, $field);
	}

	 /**
     * 后台用户登录
     * @param  [type] $username [description]
     * @param  [type] $password [description]
     * @return [type]           [description]
     */
 	public function login($phone, $password){
 		$user = $this->valid($phone, $password);
 		if(!$user){
 			$this->error('用户名或密码不正确');
 			return false;
 		}
 		else{
 			$role_service = new Service_Role();
 			$user_role = $role_service->getRoleInfo(array('_id' => $user['role']));
 			$session = Yaf_Session::getInstance();
 			$user_info = array(
 				'nickname' => $user['nickname'],
 				'user_id' => $user['_id'],
 				'role_id' => $user['role'],
 				'role_name' => $user_role['name']
 			);
 			$session->user = $user_info;
 			return true;
 		}

 	}

 	/**
 	 * 检测用户名与密码
 	 * @param  [type] $username [description]
 	 * @param  [type] $password [description]
 	 * @return [type]           [description]
 	 */
 	public function valid($phone, $password){
 		$user = $this->user_model->getInfoByPhone($phone);
 		if($user && $user['password'] == md5(md5($password).$user['encrypt'])){
 			return $user;
 		}
 		return false;
 	}
}