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<?php

class CPAC_Storage_Model_Taxonomy extends CPAC_Storage_Model {

public $taxonomy;
	public $taxonomy_object;

/**
	 * Constructor
	 *
	 * @since 1.2.0
	 */
	function __construct( $taxonomy ) {

$this->set_taxonomy_object( $taxonomy );

$this->key 		 		= 'wp-taxonomy_' . $taxonomy;
		$this->type 	 		= 'taxonomy';
		$this->page 	 		= 'edit-tags';
		$this->taxonomy  		= $taxonomy;
		$this->label 	 		= $this->taxonomy_object->labels->name;
		$this->singular_label 	= $this->taxonomy_object->labels->singular_name;
		$this->menu_type 		= $this->type;

// headings
		add_filter( "manage_edit-{$this->taxonomy}_columns",  array( $this, 'add_headings' ) );

// values
		add_action( "manage_{$this->taxonomy}_custom_column", array( $this, 'manage_value' ), 10, 3 );

parent::__construct();
	}

/**
	 * Get taxonomy
	 *
	 * @since 3.5
	 *
	 * @return string Taxonomy name
	 */
	public function set_taxonomy_object( $taxonomy ) {
		$this->taxonomy_object = get_taxonomy( $taxonomy );
	}

/**
	 * Get screen link
	 *
	 * @since 1.2.0
	 *
	 * @return string Link
	 */
	protected function get_screen_link() {

return add_query_arg( array( 'taxonomy' => $this->taxonomy ), admin_url( $this->page . '.php' ) );
	}

/**
	 * Get taxonomy
	 *
	 * @since 3.4
	 *
	 * @return string Taxonomy name
	 */
	public function get_taxonomy() {
		return $this->taxonomy;
	}

/**
	 * Get WP default supported admin columns per post type.
	 *
	 * @since 1.0.0
	 *
	 * @return array
	 */
	public function get_default_columns() {

if ( ! function_exists('_get_list_table') ) {
			return array();
		}

// You can use this filter to add thirdparty columns by hooking into this.
		// See classes/third_party.php for an example.
		do_action( "cac/columns/default/storage_key={$this->key}" );

// get columns
		$table = _get_list_table( 'WP_Terms_List_Table', array( 'screen' => 'edit-' . $this->taxonomy ) );
		$columns = $table->get_columns();

return $columns;
	}

/**
	 * Get original columns
	 *
	 * @since 3.5.1
	 */
	public function get_default_column_names() {
		return array( 'cb', 'name', 'description', 'slug', 'posts', 'links' );
	}

/**
     * Get Meta
     *
	 * @since 1.2.0
	 *
	 * @return array
     */
    public function get_meta() {
        global $wpdb;

$meta = array();

// Only works with ACF taxonomy fields
		if ( $results = $wpdb->get_results( $wpdb->prepare( "SELECT DISTINCT option_name FROM {$wpdb->options} WHERE option_name LIKE '%s' ORDER BY 1", $this->taxonomy . '_%' ), ARRAY_N ) ) {
			foreach ( $results as $result ) {

$option_name = $result[0];
				$underscore  = strpos( $option_name, '_', strlen( $this->taxonomy ) + 1 );

if ( false === $underscore ) {
					continue;
				}

$key = substr( $option_name, $underscore + 1, strlen( $option_name ) );

$meta[][0] = $key;
			}
		}

return $meta;
    }
	/**
	 * Manage value
	 *
	 * @since 1.2.0
	 *
	 * @param string $column_name
	 * @param int $post_id
	 */
	public function manage_value( $content, $column_name, $term_id ) {

$value = $content;

// get column instance
		if ( $column = $this->get_column_by_name( $column_name ) ) {
			$value .= $column->get_value( $term_id );
		}

// add hook
		$value = apply_filters( "cac/column/value", $value, $term_id, $column, $this->key );
		$value = apply_filters( "cac/column/value/{$this->type}", $value, $term_id, $column, $this->key );

return $value;
	}

}