<?php

class Service_Daily extends System_Service_Base{

	public function __construct(){
		$this->daily_model = new DailyModel();
		$this->hourly_model = new HourlyModel();
	}

	public function summary($day){
		$data_model = new DataModel();
		$datas = $data_model->aggregate(
			array(
				array(
					'$match' => array('create_time' => array('$gte' => $day.' 00:00:00', '$lte' => $day.' 23:59:59'))
				),
				array(
					'$group' => array('_id' => '$user_id', 'day_avg' => array('$avg' => '$value'))
				),
				array(
					'$project' => array('_id' => 0, 'user_id' => '$_id', 'day_avg' => 1)
				)
			)	
		);
		if($datas){
			$time = date('Y-m-d H:i:s');
			foreach ($datas as $data) {
				$param['user_id'] = $data['user_id'];
				$param['day_avg'] = floatval(substr($data['day_avg'], 0, 5));
				$param['date'] = $day;
				$param['create_time'] = $time;
				$this->daily_model->add($param);
				unset($param);
			}
			$dailyLog_service = new Service_DailyLog();
			$dailyLog_service->addLog($day);

			return true;
		}
		else{
			return false;
		}
		
	}

	/**
     * 获取用户某个时间段内的数据
     * @param  [type] $user_id    [description]
     * @param  [type] $start_time [description]
     * @param  [type] $end_time   [description]
     * @return [type]             [description]
     */
    public function getUserDataList($user_id, $days_arr){
        $user_dailys = $this->daily_model->getList(array('user_id' => $user_id, 'date' => array('$in' => $days_arr)), array(), array('_id' => 1));
        return $user_dailys;
    }


}