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<?php

namespace PrestoPlayer\Support;

class HasOneRelationship {

protected $classname, $parent_model, $parent_field;

/**
	 * Construct
	 *
	 * @param string                     $classname
	 * @param \PrestoPlayer\Models\Model $parent_model
	 */
	public function __construct( $classname, $parent_model, $parent_field ) {
		$this->classname    = $classname;
		$this->parent_model = $parent_model;
		$this->parent_field = $parent_field;
	}

public function getRelationshipClass() {
		return $this->classname;
	}

public function getParentField() {
		return $this->parent_field;
	}

public function getRelationshipTable() {
		return ( new $this->classname() )->getTableName();
	}

/**
	 * Save the model with the relationship
	 *
	 * @param array $arguments
	 * @return \PrestoPlayer\Models\Model
	 */
	public function save( $arguments ) {
		// create the item and save as
		$saved_id = ( new $this->classname() )->create( $arguments );

// update or create parent model
		if ( $this->parent_model->id ) {
			return $this->parent_model->update(
				array(
					$this->parent_field => (int) $saved_id,
				)
			);
		}

return new \WP_Error( 'unsaved', 'Please save the model before adding the relationship.' );
	}

public function update( $arguments ) {
		if ( ! $this->parent_field ) {
			return new \WP_Error( 'unsaved', 'Please create the relationship before updating it.' );
		}

$item_class = ( new $this->classname() );
		$item       = $this->parent_model->{$this->parent_field};

if ( is_int( $item ) ) {
			$item = $item_class->get( $item );
		} elseif ( is_object( $item ) ) {
			$item = $item_class->set( $item );
		}

if ( empty( $item ) ) {
			return new \WP_Error( 'unsaved', 'Please create the relationship before updating it.' );
		}

return $item->update( $arguments );
	}
}

/home/srv221441/kso-don.ru/wp-content/plugins/presto-player/inc/Support/HasOneRelationship.php