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<?php |
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namespace Carbon_Fields\Container\Fulfillable\Translator; |
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use Carbon_Fields\App; |
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use Carbon_Fields\Container\Condition\Factory; |
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use Carbon_Fields\Container\Fulfillable\Fulfillable; |
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use Carbon_Fields\Container\Fulfillable\Fulfillable_Collection; |
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use Carbon_Fields\Container\Condition\Condition; |
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use Carbon_Fields\Exception\Incorrect_Syntax_Exception; |
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class Array_Translator extends Translator { |
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/** |
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* Condition factory used to translated condition types |
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* |
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* @var Factory |
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*/ |
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protected $condition_factory; |
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/** |
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* Constructor |
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* |
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* @param Factory $condition_factory |
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*/ |
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public function __construct( Factory $condition_factory ) { |
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$this->condition_factory = $condition_factory; |
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} |
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/** |
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* Translate a Condition |
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* |
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* @param Condition $condition |
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* @return mixed |
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*/ |
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protected function condition_to_foreign( Condition $condition ) { |
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return array( |
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'type' => $this->condition_factory->get_type( get_class( $condition ) ), |
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'compare' => $condition->get_comparison_operator(), |
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'value' => $condition->get_value(), |
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); |
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} |
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/** |
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* Translate a Fulfillable_Collection |
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* |
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* @param Fulfillable_Collection $fulfillable_collection |
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* @return mixed |
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*/ |
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protected function fulfillable_collection_to_foreign( Fulfillable_Collection $fulfillable_collection ) { |
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$fulfillables = $fulfillable_collection->get_fulfillables(); |
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if ( empty( $fulfillables ) ) { |
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return array(); |
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} |
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$collection = array( |
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'relation' => 'AND', |
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); |
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$relations = array(); |
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foreach ( $fulfillables as $fulfillable_tuple ) { |
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$comparison = $fulfillable_tuple['fulfillable_comparison']; |
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$fulfillable = $fulfillable_tuple['fulfillable']; |
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if ( ! isset( $relations[ $comparison ] ) ) { |
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$relations[ $comparison ] = array(); |
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} |
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$relations[ $comparison ][] = $this->fulfillable_to_foreign( $fulfillable ); |
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} |
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if ( ! empty( $relations['OR'] ) ) { |
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$collection['relation'] = 'OR'; |
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} |
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foreach ( $relations as $relation => $fulfillables ) { |
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$collection[] = array( 'relation' => $relation ) + $fulfillables; |
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} |
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if ( count( $relations ) === 1 ) { |
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// we only have one relation group so we simplify the fulfillables with 1 level |
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$collection = $collection[0]; |
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} |
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return array_filter( $collection ); |
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} |
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/** |
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* Translate foreign data to a Fulfillable |
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* |
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* @param mixed $foreign |
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* @return Fulfillable |
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*/ |
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public function foreign_to_fulfillable( $foreign ) { |
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if ( ! is_array( $foreign ) ) { |
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Incorrect_Syntax_Exception::raise( 'Invalid data passed to array condition translator: ' . print_r( $foreign, true ) ); |
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} |
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if ( isset( $foreign['type'] ) ) { |
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return $this->foreign_to_native_condition( $foreign ); |
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} |
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return $this->foreign_to_native_fulfillable_collection( $foreign ); |
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} |
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/** |
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* Translate a Condition |
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* |
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* @param array $foreign |
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* @return Condition |
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*/ |
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protected function foreign_to_native_condition( $foreign ) { |
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$condition_type = $foreign['type']; |
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$comparison_operator = isset( $foreign['compare'] ) ? $foreign['compare'] : '='; |
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$value = isset( $foreign['value'] ) ? $foreign['value'] : ''; |
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$condition = $this->condition_factory->make( $condition_type ); |
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$condition->set_comparison_operator( $comparison_operator ); |
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$condition->set_value( $value ); |
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return $condition; |
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} |
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/** |
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* Translate a Fulfillable_Collection |
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* |
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* @param array $foreign |
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* @return Fulfillable_Collection |
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*/ |
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protected function foreign_to_native_fulfillable_collection( $foreign ) { |
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$fulfillable_comparison = isset( $foreign['relation'] ) ? $foreign['relation'] : 'AND'; |
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$collection = App::resolve( 'container_condition_fulfillable_collection' ); |
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foreach ( $foreign as $key => $value ) { |
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if ( $key === 'relation' ) { |
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continue; // ignore the relation key - we are only interested in condition definitions |
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} |
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$collection->add_fulfillable( $this->foreign_to_fulfillable( $value ), $fulfillable_comparison ); |
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} |
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return $collection; |
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} |
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/** |
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* Make conditions friendly for frontend. |
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* |
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* @param array $foreign |
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* @return array |
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*/ |
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public function foreign_to_json( $foreign ) { |
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if ( empty( $foreign ) ) { |
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return array( |
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'relation' => 'AND', |
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'conditions' => array(), |
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); |
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} |
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$conditions = array(); |
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foreach ( $foreign as $key => $value ) { |
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if ( $key === 'relation' ) { |
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continue; |
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} |
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if ( isset( $value['relation'] ) ) { |
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$conditions[] = $this->foreign_to_json( $value ); |
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} else { |
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$conditions[] = $value; |
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} |
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} |
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return array( |
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'relation' => $foreign['relation'], |
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'conditions' => $conditions, |
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); |
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} |
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} |
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htmlburger /
carbon-fields
