<?php

namespace pt\controllers;

use Yii;
use common\components\util;
use common\components\dict;

class CleanCacheController extends PlatformController
{
	
	public function actionIndex()
	{
		$cacheKeys = dict::$cacheKey;
		
		$i = 1;
		foreach ($cacheKeys as $keyName => $redisKey) {
			$newCacheKeys[] = ['id' => $i, 'keyName' => $keyName];
			$i++;
		}
		return $this->render('index', ['cacheKeys' => $newCacheKeys]);
	}
	
	/**
	 * 删除模糊匹配的所有键
	 */
	public function actionAllClean()
	{
		$keyName = Yii::$app->request->get('keyName');
		
		$cacheKeys = dict::$cacheKey;
		if (!key_exists($keyName, $cacheKeys)) {
			util::fail($keyName . '缓存键不存在');
		}
		$redisKey = $cacheKeys[$keyName] . '*';//模糊匹配所有的键
		
		$allKeys = Yii::$app->redis->keys($redisKey);
		foreach ($allKeys as $key) {
			Yii::$app->redis->executeCommand('DEL', [$key]);
		}
		util::success($keyName . '匹配的缓存键清除完成');
	}
	
	public function actionKeysList()
	{
		$keyName = Yii::$app->request->get('keyName');
		
		$cacheKeys = dict::$cacheKey;
		if (!key_exists($keyName, $cacheKeys)) {
			util::fail($keyName . '缓存键不存在');
		}
		
		$redisKey = $cacheKeys[$keyName] . '*';//模糊匹配所有的键
		$allKeys = Yii::$app->redis->keys($redisKey);
		return $this->render('keys-list', ['allKeys' => $allKeys]);
	}
	
	/**
	 * 指定删除单个键
	 */
	public function actionSingleClean()
	{
		$key = Yii::$app->request->get('key');
		$exist = Yii::$app->redis->executeCommand('EXISTS', [$key]);
		if ($exist) {
			Yii::$app->redis->executeCommand('DEL', [$key]);
			util::complete($key . '缓存键清除成功');
		}
		util::fail($key . '缓存键不存在');
	}
}