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<?php |
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namespace GeminiLabs\Castor\Helpers; |
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use GeminiLabs\Castor\Gallery; |
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use GeminiLabs\Castor\Image; |
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use GeminiLabs\Castor\Video; |
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use BadMethodCallException; |
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/** |
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* @method string gallery( array $args ) |
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* @method \WP_Query getGallery( array $args ) |
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* @method object|void getImage( int|string $attachment ) |
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* @method object|void getVideo( string|array $args ) |
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* @method string|void image( int|string $attachment, string|array $size ) |
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* @method string|void video( string|array $args ) |
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*/ |
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class Media |
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{ |
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protected $gallery; |
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protected $image; |
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protected $video; |
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public function __construct( Gallery $gallery, Image $image, Video $video ) |
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{ |
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$this->gallery = $gallery; |
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$this->image = $image; |
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$this->video = $video; |
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} |
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/** |
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* @param string $name |
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* @return string|void |
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* @throws BadMethodCallException |
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*/ |
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public function __call( $name, array $args ) |
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{ |
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$mediaType = $this->validateMethod( $name ); |
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$args = $this->validateArgs( $args, $mediaType ); |
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if( str_replace( $mediaType, '', strtolower( $name ))) { |
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return $this->$mediaType->get( $args[0] )->$mediaType; |
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} |
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return !empty( $args[1] ) |
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? $this->$mediaType->get( $args[0] )->render( $args[1] ) |
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: $this->$mediaType->get( $args[0] )->render(); |
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} |
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/** |
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* @param string $name |
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* @param mixed $args |
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* @return mixed |
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* @throws BadMethodCallException |
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*/ |
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public function get( $name, $args = [] ) |
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{ |
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$mediaType = $this->validateMethod( $name ); |
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return $this->$mediaType->get( $args )->$mediaType; |
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} |
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/** |
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* @param string $name |
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* @return array |
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* @throws BadMethodCallException |
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*/ |
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protected function validateArgs( array $args, $name ) |
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{ |
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if( !count( $args ) && $name == 'image' ) { |
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$args[] = get_post_thumbnail_id(); |
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} |
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if( count( $args )) { |
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return $args; |
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} |
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throw new BadMethodCallException( sprintf( 'Missing arguments for: %s', $name )); |
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} |
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/** |
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* @param string $name |
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* @return string|false |
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* @throws BadMethodCallException |
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*/ |
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protected function validateMethod( $name ) |
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{ |
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foreach( [$name, strtolower( substr( $name, 3 ))] as $method ) { |
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if( property_exists( $this, $method ) && is_object( $this->$method )) { |
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return $method; |
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} |
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} |
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throw new BadMethodCallException( sprintf( 'Not a valid method: %s', $name )); |
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} |
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} |
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This check looks for type mismatches where the missing type is
false
. This is usually indicative of an error condtion.Consider the follow example
This function either returns a new
DateTime
object or false, if there was an error. This is a typical pattern in PHP programming to show that an error has occurred without raising an exception. The calling code should check for this returnedfalse
before passing on the value to another function or method that may not be able to handle afalse
.