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<?php

class CPAC_Storage_Model_User extends CPAC_Storage_Model {

/**
	 * Constructor
	 *
	 * @since 2.0
	 */
	function __construct() {

$this->key 		 		= 'wp-users';
		$this->label 	 		= __( 'Users' );
		$this->singular_label 	= __( 'User' );
		$this->type 	 		= 'user';
		$this->meta_type 		= 'user';
		$this->page 	 		= 'users';
		$this->menu_type 		= 'other';

// headings
		add_filter( "manage_{$this->page}_columns",  array( $this, 'add_headings' ), 100 );

// values
		add_filter( 'manage_users_custom_column', array( $this, 'manage_value_callback' ), 100, 3 );

parent::__construct();
	}

/**
	 * @since 2.4.7
	 */
	public function get_original_column_value( $column, $id ) {

// Remove Admin Columns action for this column's value
		remove_action( "manage_users_custom_column", array( $this, 'manage_value_callback' ), 100, 3 );

ob_start();

do_action( "manage_users_custom_column", $column, $id );

$contents = ob_get_clean();

// Add removed Admin Columns action for this column's value
		add_action( "manage_users_custom_column", array( $this, 'manage_value_callback' ), 100, 3 );

return $contents;
	}

/**
	 * Get WP default supported admin columns per post type.
	 *
	 * @see CPAC_Type::get_default_columns()
	 * @since 1.0
	 *
	 * @return array
	 */
	public function get_default_columns() {

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

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

// get columns
		$table 		= _get_list_table( 'WP_Users_List_Table', array( 'screen' => 'users' ) );
		$columns 	= (array) $table->get_columns();

if ( $this->is_settings_page() ) {
			$columns = array_merge( get_column_headers( 'users' ), $columns );
		}

return $columns;
	}

/**
	 * Get original columns
	 *
	 * @since 2.4.4
	 */
	public function get_default_column_names() {
		return array( 'cb', 'username', 'name', 'email', 'role', 'posts' );
	}

/**
	 * Manage value
	 *
	 * @since 2.0.2
	 *
	 * @param string $column_name
	 * @param int $user_id
	 * @param string $value
	 */
	public function manage_value( $column_name, $user_id, $value = '' ) {

if ( ! ( $column = $this->get_column_by_name( $column_name ) ) ) {
			return $value;
		}

// get value
		$custom_value = $column->get_value( $user_id );

// make sure it absolutely empty and check for (string) 0
		if ( ! empty( $custom_value ) || '0' === $custom_value ) {
			$value = $custom_value;
		}

// filters
		$value = apply_filters( "cac/column/value", $value, $user_id, $column, $this->key );
		$value = apply_filters( "cac/column/value/{$this->type}", $value, $user_id, $column, $this->key );

return $value;
	}

/**
	 * Callback Manage value
	 *
	 * @since 2.0.2
	 *
	 * @param string $value
	 * @param string $column_name
	 * @param int $user_id
	 */
	public function manage_value_callback( $value, $column_name, $user_id ) {

return $this->manage_value( $column_name, $user_id, $value );
	}

/**
     * Get Meta
     *
	 * @see CPAC_Columns::get_meta_keys()
	 * @since 2.0
	 *
	 * @return array
     */
    public function get_meta() {
        global $wpdb;
        return $wpdb->get_results( "SELECT DISTINCT meta_key FROM {$wpdb->usermeta} ORDER BY 1", ARRAY_N );
    }
}