# ultimate-post/5.0.4/classes/Caches.php

Post Grid Gutenberg Blocks – PostX, version 5.0.4. 224 lines.

- Page: https://pluginprobe.com/plugins/ultimate-post/5.0.4/code/classes/Caches.php
- Raw: https://pluginprobe.com/plugins/ultimate-post/5.0.4/raw/classes/Caches.php
- Modified: 2025-11-04T05:54:38+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/ultimate-post/5.0.4/code/classes/Caches.php#L10-L20`.

```php
<?php
/**
 * Cache Designs/Templates/Starter Sites.
 *
 * @package ULTP\Caches
 * @since v.1.0.0
 */

namespace ULTP;

defined( 'ABSPATH' ) || exit;

/**
 * Caches class.
 *
 * Handles caching for Ultimate Post plugin.
 *
 * @package ULTP\Caches
 * @since 4.0.0
 */
class Caches {
	/**
	 * Setup class.
	 *
	 * @since v.1.0.0
	 */
	public function __construct() {
		add_action( 'rest_api_init', array( $this, 'caches_register_rest_route' ) );
	}

	/**
	 * Register REST API route for fetching or updating templates/starter sites.
	 *
	 * @since v.1.0.0
	 * @return void No return value.
	 */
	public function caches_register_rest_route() {
		register_rest_route(
			'ultp/v2',
			'/fetch_premade_data/',
			array(
				array(
					'methods'             => 'POST',
					'callback'            => array( $this, 'fetch_premade_data_callback' ),
					'permission_callback' => function () {
						return current_user_can( 'edit_others_posts' );
					},
					'args'                => array(),
				),
			)
		);
	}

	/**
	 * Fetch premade data callback.
	 *
	 * @since 4.0.0
	 * @param ARRAY $request The REST request object.
	 * @return ARRAY Premade data (templates/starter sites).
	 */
	public function fetch_premade_data_callback( $request ) {
		$post = $request->get_params();
		$type = isset( $post['type'] ) ? ultimate_post()->ultp_rest_sanitize_params( $post['type'] ) : '';

		if ( $type == 'fetch_all_data' ) {
			$this->fetch_all_data_callback( array() );
			return array(
				'success' => true,
				'message' => __( 'Data Fetched!!!', 'ultimate-post' ),
			);
		} else {
			try {
				$upload_dir_url = wp_upload_dir();
				$dir            = trailingslashit( $upload_dir_url['basedir'] ) . 'ultp/';

				/* sync after 3 days */
				if ( file_exists( trailingslashit( wp_upload_dir()['basedir'] ) . 'ultp/starter_lists.json' ) &&
					time() - filemtime( trailingslashit( wp_upload_dir()['basedir'] ) . 'ultp/starter_lists.json' ) >= 2 * DAY_IN_SECONDS
				) {
					$this->fetch_all_data_callback( array() );
				}

				if ( $type == 'get_starter_lists_nd_design' ) {
					return array(
						'success'  => true,
						'success2' => is_admin(),
						'data'     => array(
							'starter_lists' => file_exists( $dir . 'starter_lists.json' ) ?
								ultimate_post()->get_path_file_contents( $dir . 'starter_lists.json' )
								:
								$this->reset_premade_json_file( 'starter_lists' ),
							'design'        => file_exists( $dir . 'design.json' ) ?
								ultimate_post()->get_path_file_contents( $dir . 'design.json' )
								:
								$this->reset_premade_json_file( 'design' ),
						),
					);
				} else {
					$_path = $dir . $type . '.json';
					return array(
						'success' => true,
						'data'    => file_exists( $_path ) ?
							ultimate_post()->get_path_file_contents( $_path )
							:
							$this->reset_premade_json_file( $type ),
					);
				}
			} catch ( \Exception $e ) {
				return array(
					'success' => false,
					'message' => $e->getMessage(),
				);
			}
		}
	}

	/**
	 * Reset data from API.
	 *
	 * @since v.2.4.4
	 * @param ARRAY $request The REST request object.
	 * @return ARRAY Data of the design.
	 */
	public function fetch_all_data_callback( $request ) {
		$upload     = wp_upload_dir();
		$upload_dir = trailingslashit( $upload['basedir'] ) . 'ultp/';

		if ( file_exists( $upload_dir . '/template_nd_design.json' ) ) {
			wp_delete_file( $upload_dir . '/template_nd_design.json' );
		}
		if ( file_exists( $upload_dir . '/premade.json' ) ) {
			wp_delete_file( $upload_dir . '/premade.json' );
		}
		if ( file_exists( $upload_dir . '/design.json' ) ) {
			wp_delete_file( $upload_dir . '/design.json' );
		}
		if ( file_exists( $upload_dir . '/starter_lists.json' ) ) {
			wp_delete_file( $upload_dir . '/starter_lists.json' );
		}
		$this->reset_premade_json_file( 'all' );
		return array(
			'success' => true,
			'message' => __( 'Data Fetched!!!', 'ultimate-post' ),
		);
	}

	/**
	 * Get and save source data from the file or API.
	 *
	 * @since v.1.0.0 Updated from 4.0.0
	 * @param STRING $type The type of data to reset.
	 * @return ARRAY|NULL Exception message or NULL.
	 */
	public function reset_premade_json_file( $type = 'all' ) {
		global $wp_filesystem;
		if ( ! $wp_filesystem ) {
			require_once ABSPATH . 'wp-admin/includes/file.php';
		}
		WP_Filesystem();

		$file_names = $type == 'all' ? array( 'starter_lists', 'design' ) : array( $type );
		foreach ( $file_names as $key => $name ) {
			if ( $name == 'starter_lists' ) {
				$response = wp_remote_post(
					'https://postxkit.wpxpo.com/wp-json/importer/site_lists',
					array(
						'method'  => 'POST',
						'timeout' => 120,
						'body'    => array(
							'ultp_ver' => ULTP_VER,
						),
					)
				);
			} else {
				$response = wp_remote_post(
					'https://ultp.wpxpo.com/wp-json/restapi/v2/design',
					array(
						'method'  => 'POST',
						'timeout' => 120,
					)
				);
			}
			if ( ! is_wp_error( $response ) ) {
				$path_url = $this->create_directory_for_premade( $name );
				$wp_filesystem->put_contents( $path_url . $name . '.json', $response['body'] );
				if ( $type != 'all' ) {
					return $response['body'];
				}
			}
		}
	}

	/**
	 * Create a directory in the upload folder.
	 *
	 * @since v.1.0.0 Updated from 4.0.0
	 * @param STRING $type The file name or type.
	 * @return STRING|ARRAY Directory path or error array.
	 */
	public function create_directory_for_premade( $type = '' ) {
		try {
			global $wp_filesystem;
			if ( ! $wp_filesystem ) {
				require_once ABSPATH . 'wp-admin/includes/file.php';
			}
			$upload_dir_url = wp_upload_dir();
			$dir            = trailingslashit( $upload_dir_url['basedir'] ) . 'ultp/';
			WP_Filesystem( false, $upload_dir_url['basedir'], true );
			if ( ! $wp_filesystem->is_dir( $dir ) ) {
				$wp_filesystem->mkdir( $dir );
			}
			if ( ! file_exists( $dir . $type . '.json' ) ) {
                fopen( $dir . $type. '.json', "w" );     //phpcs:ignore
			}
			return $dir;
		} catch ( \Exception $e ) {
			return array(
				'success' => false,
				'message' => $e->getMessage(),
			);
		}
	}
}

```