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<?php |
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/** |
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* Created by PhpStorm. |
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* User: alive |
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* Date: 5/7/18 |
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* Time: 8:10 AM |
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*/ |
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namespace Alive2212\LaravelSmartMeta; |
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use Illuminate\Support\Facades\Cache; |
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trait SmartMeta |
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{ |
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protected $id; |
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protected $cacheMetas; |
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protected $globalKey; |
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protected $expireTime = 5; // 5 minutes |
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/** |
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* |
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* |
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* @return $this |
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*/ |
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public function initCache() |
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{ |
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if(!($this->id>0)){ |
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$this->id = $this->toArray()['id']; |
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} |
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if (is_null($this->globalKey)){ |
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$this->globalKey = get_class($this) . '_' . $this->id; |
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} |
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$this->getAllCacheMeta(); |
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return $this; |
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} |
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/** |
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* |
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* |
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* @param $key |
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* @param $value |
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* @return $this |
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*/ |
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public function putCacheMeta($key, $value) |
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{ |
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$this->initCache(); |
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$value = [$key => $value]; |
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Cache::put($this->globalKey, $value, $this->expireTime); |
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return $this; |
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} |
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// /** |
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// * @return array |
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// */ |
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// public function getAllCacheMeta(): array |
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// { |
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// return (Cache::get($this->globalKey)); |
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// } |
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/** |
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* @param $key |
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* @param null $default |
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* @param bool $getObj |
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* @return null |
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*/ |
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public function getCacheMeta($key, $default = null, $getObj = false) |
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{ |
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$this->initCache(); |
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if (isset($this->cacheMetas[$key])) { |
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return $this->cacheMetas[$key]; |
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} |
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return $default; |
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} |
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/** |
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* @param $key |
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* @return $this |
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*/ |
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public function deleteCacheMeta($key) |
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{ |
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$this->initCache(); |
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unset($this->cacheMetas[$key]); |
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$this->setAllCacheMeta(); |
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return $this; |
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} |
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/** |
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* |
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*/ |
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public function deleteCacheMetas() |
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{ |
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$this->initCache(); |
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$this->cacheMetas = null; |
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$this->setAllCacheMeta(); |
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return $this; |
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} |
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/** |
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* @param $key |
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* @param $value |
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*/ |
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public function addCacheMeta($key, $value) |
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{ |
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$this->initCache(); |
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$this->cacheMetas = array_add($this->cacheMetas, $key, $value); |
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$this->setAllCacheMeta(); |
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} |
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/** |
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* @param $value |
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* @return $this |
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*/ |
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public function pushCacheMeta($value) |
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{ |
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$this->initCache(); |
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array_push($this->cacheMetas, $value); |
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$this->setAllCacheMeta(); |
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return $this; |
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} |
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/** |
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* @param $key |
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* @param $default |
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* @return $this |
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*/ |
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public function pullCacheMeta($key, $default = null) |
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{ |
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$this->initCache(); |
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array_pull($this->cacheMetas, $key, $default); |
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$this->setAllCacheMeta(); |
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return $this; |
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} |
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/** |
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* @return $this |
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*/ |
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public function setAllCacheMeta() |
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{ |
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Cache::put($this->globalKey, $this->cacheMetas, $this->expireTime); |
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return $this; |
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} |
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/** |
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* @return $this |
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*/ |
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public function getAllCacheMeta() |
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{ |
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$this->cacheMetas = Cache::get($this->globalKey); |
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return $this; |
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} |
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/** |
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* @return mixed |
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*/ |
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public function getId() |
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{ |
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return $this->id; |
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} |
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/** |
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* @param mixed $id |
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*/ |
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public function setId($id) |
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{ |
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$this->id = $id; |
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} |
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/** |
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* @return mixed |
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*/ |
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public function getGlobalKey() |
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{ |
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return $this->globalKey; |
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} |
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/** |
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* @param mixed $globalKey |
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*/ |
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public function setGlobalKey($globalKey) |
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{ |
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$this->globalKey = $globalKey; |
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} |
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/** |
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* @return int |
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*/ |
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public function getExpireTime(): int |
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{ |
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return $this->expireTime; |
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} |
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/** |
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* @param int $expireTime |
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*/ |
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public function setExpireTime(int $expireTime) |
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{ |
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$this->expireTime = $expireTime; |
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} |
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/** |
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* @return mixed |
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*/ |
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public function getCacheMetas() |
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{ |
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return $this->cacheMetas; |
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} |
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/** |
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* @param mixed $cacheMetas |
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*/ |
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public function setCacheMetas($cacheMetas) |
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{ |
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$this->cacheMetas = $cacheMetas; |
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} |
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} |
This check looks for methods that are used by a trait but not required by it.
To illustrate, let’s look at the following code example
The trait
Idable
provides a methodequalsId
that in turn relies on the methodgetId()
. If this method does not exist on a class mixing in this trait, the method will fail.Adding the
getId()
as an abstract method to the trait will make sure it is available.