<?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\xhSetMeal;

class xhSetMealService {

	/**
	 * 随机取一个套餐
	 */
	public static function getRandOne()
	{
		$set = xhSetMeal::find()->asArray()->one();
		return $set;
	}

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

	public static function add($data)
	{
		$return			= xhSetMeal::add($data);
		$id				= $return['id'];
		$cacheKey		= dict::getCacheKey('xhSet').$id;
		$params			= [$cacheKey];
		if(!empty($return)){
			foreach($return as $key => $val){
				$params[] = $key;
				$params[] = $val;
			}
		}
		Yii::$app->redis->executeCommand('HMSET',$params);
		return $return;
	}

}