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<?php |
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namespace Silk\Meta; |
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use Illuminate\Support\Collection; |
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class Meta |
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{ |
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/** |
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* Meta type |
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* @var string |
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*/ |
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protected $type; |
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/** |
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* The object ID this metadata is for |
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* @var int |
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*/ |
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protected $object_id; |
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/** |
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* The key the metadata is for |
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* @var string |
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*/ |
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protected $key; |
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/** |
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* Meta Constructor. |
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* |
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* @param string $type Meta type |
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* @param int|string $object_id ID of the object metadata is for |
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* @param string $key Meta key |
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*/ |
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public function __construct($type, $object_id, $key) |
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{ |
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$this->type = $type; |
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$this->object_id = (int) $object_id; |
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$this->key = $key; |
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} |
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/** |
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* Get the single meta data. |
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* |
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* @return mixed |
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*/ |
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public function get() |
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{ |
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return get_metadata($this->type, $this->object_id, $this->key, true); |
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} |
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/** |
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* Get all meta data as a Collection. |
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* |
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* @return Collection |
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*/ |
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public function collect() |
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{ |
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return Collection::make($this->all()); |
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} |
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/** |
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* Get all meta data as an array. |
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* |
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* @return array |
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*/ |
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public function all() |
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{ |
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return (array) get_metadata($this->type, $this->object_id, $this->key, false); |
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} |
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/** |
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* Set the new value. |
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* |
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* @param mixed $value |
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* @param string $prev_value |
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* |
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* @return $this |
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*/ |
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public function set($value, $prev_value = '') |
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{ |
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update_metadata($this->type, $this->object_id, $this->key, $value, $prev_value); |
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return $this; |
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} |
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/** |
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* Replace a single value. |
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* |
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* @param mixed $old Previous value to update |
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* @param mixed $new New value to set the previous value to |
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* |
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* @return $this |
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*/ |
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public function replace($old, $new) |
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{ |
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return $this->set($new, $old); |
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} |
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/** |
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* Add metadata for the specified object. |
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* |
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* @param mixed $value The value to add |
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* @param bool $unique Whether the specified metadata key should be unique |
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* for the object. If true, and the object already has |
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* a value for the specified metadata key, no change will be made. |
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* |
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* @return $this |
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*/ |
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public function add($value, $unique = false) |
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{ |
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add_metadata($this->type, $this->object_id, $this->key, $value, $unique); |
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return $this; |
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} |
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/** |
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* Delete the meta data |
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* |
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* Deletes all meta data for the key, if provided, optionally filtered by |
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* a previous value. |
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* If no key was provided, all meta data for the object is deleted. |
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* |
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* @param string $value The old value to delete. |
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* This is only necessary when deleting a specific value |
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* from an object which has multiple values for the key. |
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* |
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* @return $this |
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*/ |
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public function delete($value = '') |
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{ |
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delete_metadata($this->type, $this->object_id, $this->key, $value); |
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return $this; |
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} |
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/** |
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* Determine if a meta key is set for a given object. |
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* |
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* @return bool True of the key is set, false if not. |
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*/ |
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public function exists() |
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{ |
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return metadata_exists($this->type, $this->object_id, $this->key); |
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} |
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/** |
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* Get the meta data as a string. |
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* |
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* @return string The meta value |
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*/ |
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public function __toString() |
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{ |
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return $this->get(); |
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} |
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} |
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aaemnnosttv /
silk
