felixarntz/plugin-lib

<?php
/**
 * Manager class for taxonomies
 *
 * @package Leaves_And_Love\Plugin_Lib
 * @since 1.0.0
 */

namespace Leaves_And_Love\Plugin_Lib\DB_Objects\Model_Type_Managers;

use Leaves_And_Love\Plugin_Lib\DB_Objects\Model_Types\Taxonomy;

if ( ! class_exists( 'Leaves_And_Love\Plugin_Lib\DB_Objects\Model_Type_Managers\Taxonomy_Manager' ) ) :

    /**
     * Class for a taxonomies manager
     *
     * This class represents a taxonomies manager.
     *
     * @since 1.0.0
     */
    class Taxonomy_Manager extends Core_Model_Type_Manager {
        /**
         * Constructor.
         *
         * @since 1.0.0
         *
         * @param string $prefix   The instance prefix.
         */
        public function __construct( $prefix ) {
            $this->item_class_name = Taxonomy::class;

            $this->default = 'category';

            parent::__construct( $prefix );
        }

        /**
         * Registers a new type in Core.
         *
         * @since 1.0.0
         *
         * @param string $slug Unique slug for the type.
         * @param array  $args Optional. Array of type arguments. Default empty.
         * @return bool True on success, false on failure.
         */
        protected function register_in_core( $slug, $args = array() ) {
            $object_type = array();
            if ( isset( $args['object_type'] ) ) {
                $object_type = $args['object_type'];
                unset( $args['object_type'] );
            }

            $status = register_taxonomy( $slug, $object_type, $args );
            if ( is_wp_error( $status ) ) {
                return false;
            }

            return true;
        }

        /**
         * Retrieves a type object from Core.
         *
         * @since 1.0.0
         *
         * @param string $slug Unique slug of the type.
         * @return object|null Type object, or null it it does not exist.
         */
        protected function get_from_core( $slug ) {
            $type_object = get_taxonomy( $slug );
            if ( ! $type_object ) {
                return null;
            }

            return $type_object;
        }

        /**
         * Retrieves a list of type objects.
         *
         * By default, all registered type objects will be returned.
         * However, the result can be modified by specifying arguments.
         *
         * @since 1.0.0
         *
         * @param array|string $args     Optional. An array of key => value arguments
         *                               to match against the type objects. Default
         *                               empty array.
         * @param string       $output   Optional. The type of output to return. Accepts
         *                               type 'names' or 'objects'. Default 'names'.
         * @param string       $operator Optional. The logical operation to perform. 'or'
         *                               means only one element from the array needs to match;
         *                               'and' means all elements must match; 'not' means no
         *                               elements may match. Default 'and'.
         * @return array A list of type names or objects.
         */
        protected function query_core( $args = array(), $output = 'names', $operator = 'and' ) {
            return get_taxonomies( $args, $output, $operator );
        }

        /**
         * Unregisters an existing type in Core.
         *
         * @since 1.0.0
         *
         * @param string $slug Unique slug of the type.
         * @return bool True on success, false on failure.
         */
        protected function unregister_in_core( $slug ) {
            $status = unregister_taxonomy( $slug );
            if ( is_wp_error( $status ) ) {
                return false;
            }

            return true;
        }
    }

endif;