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<?php
/**
 * CPT data controller class
 */

// If this file is called directly, abort.
if ( ! defined( 'WPINC' ) ) {
	die;
}

if ( ! class_exists( 'Jet_Engine_Meta_Boxes_Data' ) ) {

/**
	 * Define Jet_Engine_Meta_Boxes_Data class
	 */
	class Jet_Engine_Meta_Boxes_Data extends Jet_Engine_Base_Data {

/**
		 * Edit slug
		 *
		 * @var string
		 */
		public $edit        = 'edit';
		public $option_name = 'jet_engine_meta_boxes';

/**
		 * Update post post type
		 *
		 * @return void
		 */
		public function delete_item( $redirect = true ) {

if ( ! current_user_can( 'manage_options' ) ) {
				$this->parent->add_notice(
					'error',
					__( 'You don\'t have permissions to do this', 'jet-engine' )
				);
				return;
			}

$id = isset( $this->request['id'] ) ? esc_attr( $this->request['id'] ) : false;

if ( ! $id ) {
				$this->parent->add_notice(
					'error',
					__( 'Please provide item ID to delete', 'jet-engine' )
				);
				return;
			}

$raw = $this->get_raw();

if ( isset( $raw[ $id ] ) ) {
				unset( $raw[ $id ] );
				update_option( $this->option_name, $raw );
			}

if ( $redirect ) {
				wp_redirect( $this->parent->get_page_link() );
				die();
			} else {
				return true;
			}

}

/**
		 * Update item in DB
		 *
		 * @param  [type] $item [description]
		 * @return [type]       [description]
		 */
		public function update_item_in_db( $item ) {

$raw        = $this->get_raw();
			$id         = isset( $item['id'] ) ? $item['id'] : 'meta-' . $this->get_numeric_id();
			$item['id'] = $id;
			$raw[ $id ] = $item;

update_option( $this->option_name, $raw );

return $id;

}

/**
		 * Returns actual numeric ID
		 * @return [type] [description]
		 */
		public function get_numeric_id() {

$raw  = $this->get_raw();
			$keys = array_keys( $raw );
			$last = end( $keys );

if ( ! $last ) {
				return 1;
			}

$num = absint( str_replace( 'meta-', '', $last ) );

return $num + 1;

}

/**
		 * Sanitizr post type request
		 *
		 * @return void
		 */
		public function sanitize_item_request() {

$valid = true;
			return $valid;

}

/**
		 * Prepare post data from request to write into database
		 *
		 * @return array
		 */
		public function sanitize_item_from_request() {

$request = $this->request;
			$args    = array();

if ( ! empty( $request['args'] ) ) {
				foreach ( $request['args'] as $arg => $value ) {
					if ( in_array( $arg, array( 'show_edit_link' ) ) ) {
						$args[ $arg ] = filter_var( $value, FILTER_VALIDATE_BOOLEAN );
					} else if ( in_array( $arg, array( 'name' ) ) ) {
						$args[ $arg ] = sanitize_text_field( $value );
					} else {
						$args[ $arg ] = ! is_array( $value ) ? esc_attr( $value ) : $value;
					}

}
			}

$meta_fields = ! empty( $request['meta_fields'] ) ? $request['meta_fields'] : array();

$result['args']        = $args;
			$result['meta_fields'] = $this->sanitize_meta_fields( $meta_fields );

return $result;

}

/**
		 * Retrieve post for edit
		 *
		 * @return array
		 */
		public function get_item_for_edit( $id ) {

$raw      = $this->get_raw();
			$meta_box = isset( $raw[ $id ] ) ? $raw[ $id ] : array();

if ( empty( $meta_box ) ) {
				return array(
					'general_settings' => array(),
					'meta_fields'      => array(),
				);
			}

if ( ! empty( $meta_box['meta_fields'] ) ) {
				$meta_box['meta_fields'] = array_values( $meta_box['meta_fields'] );
			}

$result = array(
				'general_settings' => $meta_box['args'],
				'meta_fields'      => $this->sanitize_repeater_fields( $meta_box['meta_fields'] ),
			);

return $result;
		}

/**
		 * Return sanitized repeater field
		 *
		 * @param  [type] $fields [description]
		 * @return [type]         [description]
		 */
		public function sanitize_repeater_fields( $fields ) {

return array_map( function( $item ) {

if ( isset( $item['collapsed'] ) ) {
					unset( $item['collapsed'] );
				}

if ( empty( $item['object_type'] ) ) {
					$item['object_type'] = 'field';
				}

if ( ! empty( $item['repeater-fields'] ) ) {
					$item['repeater-fields'] = array_values( $item['repeater-fields'] );
					$item['repeater-fields'] = $this->unset_collapsed( $item['repeater-fields'] );
				}

if ( empty( $item['options'] ) ) {
					$item['options'] = array();
				} else {
					$item['options'] = array_values( $item['options'] );
					$item['options'] = $this->unset_collapsed( $item['options'] );
				}

if ( ! empty( $item['conditions'] ) ) {
					$item['conditions'] = array_values( $item['conditions'] );
					$item['conditions'] = $this->unset_collapsed( $item['conditions'] );
				}

return $item;

}, $fields );

}

/**
		 * Unset collapsed value
		 *
		 * @param  [type] $collapsed [description]
		 * @return [type]            [description]
		 */
		public function unset_collapsed( $list ) {
			return array_map( function( $item ) {

if ( isset( $item['collapsed'] ) ) {
					unset( $item['collapsed'] );
				}

if ( ! empty( $item['options'] ) ) {
					$item['options'] = array_values( $item['options'] );
					$item['options'] = $this->unset_collapsed( $item['options'] );
				}

return $item;
			}, $list );
		}

/**
		 * Returns post type in prepared for register format
		 *
		 * @return array
		 */
		public function get_item_for_register() {
			return $this->get_raw();
		}

/**
		 * Returns items by args without filtering
		 *
		 * @return array
		 */
		public function get_raw( $args = array() ) {

if ( ! $this->raw ) {
				$this->raw = get_option( $this->option_name, array() );
			}

return $this->raw;
		}

/**
		 * Query post types
		 *
		 * @return array
		 */
		public function get_items() {
			return $this->get_raw();
		}

/**
		 * Return totals post types count
		 *
		 * @return int
		 */
		public function total_items() {
			return count( $this->get_raw() );
		}

/**
		 * Stored in wp_options, so always true
		 *
		 * @return [type] [description]
		 */
		public function ensure_db_table() {
			return true;
		}

/**
		 * Filter post type for register
		 *
		 * @return array
		 */
		public function filter_item_for_register( $item ) {
			return $item;
		}

/**
		 * Filter post type for edit
		 *
		 * @return array
		 */
		public function filter_item_for_edit( $item ) {
			return $item;
		}

/**
		 * Return blacklisted items names
		 *
		 * @return array
		 */
		public function items_blacklist() {
			return array();
		}

}