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<?php |
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namespace WPEmerge\Routing\Conditions; |
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use Closure; |
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use Exception; |
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use WPEmerge\Facades\Framework; |
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use WPEmerge\Routing\Conditions\CustomCondition; |
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use WPEmerge\Routing\Conditions\MultipleCondition; |
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use WPEmerge\Routing\Conditions\UrlCondition; |
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use ReflectionClass; |
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/** |
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* Check against the current url |
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*/ |
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class ConditionFactory { |
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const NEGATE_CONDITION_PREFIX = '!'; |
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/** |
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* Create a new condition. |
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* |
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* @throws InvalidRouteConditionException |
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* @param string|array|Closure $options |
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* @return ConditionInterface |
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*/ |
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public static function make( $options ) { |
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if ( is_string( $options ) ) { |
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return static::makeFromUrl( $options ); |
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} |
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if ( is_array( $options ) ) { |
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return static::makeFromArray( $options ); |
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} |
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if ( $options instanceof Closure ) { |
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return static::makeFromClosure( $options ); |
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} |
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throw new InvalidRouteConditionException( 'Invalid condition options supplied.' ); |
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} |
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/** |
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* Check if the passed argument is a registered condition type. |
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* |
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* @param mixed $condition_type |
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* @return boolean |
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*/ |
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protected static function conditionTypeRegistered( $condition_type ) { |
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if ( ! is_string( $condition_type ) ) { |
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return false; |
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} |
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$condition_class = Framework::resolve( WPEMERGE_ROUTING_CONDITIONS_KEY . $condition_type ); |
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return ( $condition_class !== null ); |
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} |
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/** |
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* Check if a condition is negated. |
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* |
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* @param mixed $condition |
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* @return boolean |
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*/ |
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protected static function isNegatedCondition( $condition ) { |
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return ( |
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is_string( $condition ) |
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&& |
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substr( $condition, 0, strlen( static::NEGATE_CONDITION_PREFIX ) ) === static::NEGATE_CONDITION_PREFIX |
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); |
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} |
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/** |
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* Parse the condition type and its arguments from an options array. |
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* |
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* @throws Exception |
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* @param array $options |
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* @return array |
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*/ |
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protected static function parseConditionOptions( $options ) { |
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$type = $options[0]; |
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$arguments = array_values( array_slice( $options, 1 ) ); |
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if ( static::isNegatedCondition( $type ) ) { |
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$negated_condition = substr( $type, strlen( static::NEGATE_CONDITION_PREFIX ) ); |
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$arguments = array_merge( [ $negated_condition ], $arguments ); |
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$type = 'negate'; |
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} |
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if ( ! static::conditionTypeRegistered( $type ) ) { |
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if ( is_callable( $type ) ) { |
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$type = 'custom'; |
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$arguments = $options; |
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} else { |
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throw new Exception( 'Unknown condition type specified: ' . $type ); |
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} |
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} |
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return array( |
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'type' => $type, |
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'arguments' => $arguments, |
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); |
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} |
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/** |
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* Create a new condition from a url. |
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* |
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* @param string $url |
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* @return ConditionInterface |
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*/ |
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protected static function makeFromUrl( $url ) { |
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return new UrlCondition( $url ); |
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} |
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/** |
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* Create a new condition from an array. |
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* |
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* @throws Exception |
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* @param array $options |
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* @return ConditionInterface |
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*/ |
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protected static function makeFromArray( $options ) { |
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if ( count( $options ) === 0 ) { |
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throw new Exception( 'No condition type specified.' ); |
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} |
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if ( is_array( $options[0] ) ) { |
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return static::makeFromArrayOfConditions( $options ); |
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} |
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$condition_options = static::parseConditionOptions( $options ); |
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$condition_class = Framework::resolve( WPEMERGE_ROUTING_CONDITIONS_KEY . $condition_options['type'] ); |
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$reflection = new ReflectionClass( $condition_class ); |
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$condition = $reflection->newInstanceArgs( $condition_options['arguments'] ); |
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return $condition; |
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} |
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/** |
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* Create a new condition from an array of conditions. |
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* |
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* @param array $options |
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* @return ConditionInterface |
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*/ |
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protected static function makeFromArrayOfConditions( $options ) { |
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return new MultipleCondition( $options ); |
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} |
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/** |
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* Create a new condition from a closure. |
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* |
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* @param Closure $closure |
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* @return ConditionInterface |
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*/ |
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1 |
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protected static function makeFromClosure( Closure $closure ) { |
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return new CustomCondition( $closure ); |
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} |
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} |
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htmlburger /
wpemerge
