<?php
namespace common\services;

use Yii;
use common\components\dict;
use common\components\stringUtil;
use linslin\yii2\curl;
use common\components\wxUtil;
use common\models\xhTrainCourse;

class xhTrainCourseService {

	public static function getAllByCondition($condition)
	{
		return xhTrainCourse::getAllByCondition($condition);
	}

	public static function getById($id)
	{	
		$cacheKey		= dict::getCacheKey('xhPxCourse').$id;
		$course			= Yii::$app->redis->executeCommand('HGETALL', [$cacheKey]);
		if(!empty($course)){
			$arr		= [];
			$i			= 0;
			$x			= 0;
			foreach($course as $key => $val){
				$i++;
				if($i%2 == 0){
					$arr[$x]['value'] = $val;
					$x++;
				}else{
					$arr[$x]['key'] = $val;
				}
			}
			$courseArr	= [];
			foreach($arr as $key => $val){
				$courseArr[$val['key']] = $val['value'];
			}
			unset($courseArr['info_already_get_by_sql']);
			return $courseArr;
		}
		$course			= xhTrainCourse::find()->where(['id' => $id])->asArray()->one();
		$params			= [$cacheKey];
		$params[]		= 'info_already_get_by_sql';
		$params[]		= 'ok';//redis没有办法设置带空值的键，加此可以数据空时表示取过
		if(!empty($course)){
			foreach($course as $key => $val){
				$params[] = $key;
				$params[] = $val;
			}
		}
		Yii::$app->redis->executeCommand('HMSET',$params);
		return $course;
	}

	public static function add($data)
	{
		$course = xhTrainCourse::add($data);
		$id		= $course['id'];
		self::refreshById($id);
		return $course;
	}

	public static function refreshById($id)
	{
		$courseKey		= dict::getCacheKey('xhPxCourse').$id;
		Yii::$app->redis->executeCommand('DEL', [$courseKey]);
		self::getById($id);
	}

	public static function updateById($id,$data)
	{
		xhTrainCourse::updateById($id, $data);
		self::getById($id);
		$courseKey			= dict::getCacheKey('xhPxCourse').$id;
		$courseParams		= [$courseKey];
		foreach($data as $key => $val){
			$courseParams[]	= $key;
			$courseParams[]	= $val;
		}
		Yii::$app->redis->executeCommand('HMSET',$courseParams);//更新缓存信息
	}

}