<?php
/**
* Class for the customizer importer used in the One Click Demo Import plugin.
*
* Code is mostly from the Customizer Export/Import plugin.
*
* @see https://wordpress.org/plugins/customizer-export-import/
*/
class Soo_Demo_Customizer_Importer {
public $download_images = false;
private $processed_images = array();
/**
* Imports uploaded mods and calls WordPress core customize_save actions so
* themes that hook into them can act before mods are saved to the database.
*
* @param string $file
*/
public function import( $file ) {
// Setup global vars.
global $wp_customize;
// Setup internal vars.
$template = get_template();
// Get the upload data.
$raw = file_get_contents( $file );
$data = @unserialize( $raw );
// Data checks.
if ( ! is_array( $data ) && ( ! isset( $data['template'] ) || ! isset( $data['mods'] ) ) ) {
return new WP_Error(
'customizer_import_data_error',
esc_html__( 'The customizer import file is not in a correct format. Please make sure to use the correct customizer import file.', 'soodi' )
);
}
if ( $data['template'] !== $template ) {
return new WP_Error(
'customizer_import_wrong_theme',
esc_html__( 'The customizer import file is not suitable for current theme. You can only import customizer settings for the same theme or a child theme.', 'soodi' )
);
}
// Import images.
if ( $this->download_images ) {
$data['mods'] = $this->import_images( $data['mods'] );
}
// Import custom options.
if ( isset( $data['options'] ) ) {
require dirname( __FILE__ ) . '/customizer-option.php';
foreach ( $data['options'] as $option_key => $option_value ) {
$option = new Soo_Demo_Customizer_Option( $wp_customize, $option_key, array(
'default' => '',
'type' => 'option',
'capability' => 'edit_theme_options',
) );
$option->import( $option_value );
}
}
// Loop through the mods.
foreach ( $data['mods'] as $key => $val ) {
// Save the mod.
set_theme_mod( $key, $val );
}
return true;
}
/**
* Imports images for settings saved as mods.
*
* @return array The mods array with any new import data.
*/
private function import_images( $mods ) {
foreach ( $mods as $key => $val ) {
if ( $this->is_image_url( $val ) ) {
if ( array_key_exists( $val, $this->processed_images ) ) {
$data = $this->processed_images[$val];
} else {
$data = $this->sideload_image( $val );
$this->processed_images[$val] = $data;
}
if ( ! is_wp_error( $data ) ) {
$mods[ $key ] = $data->url;
// Handle header image controls.
if ( isset( $mods[ $key . '_data' ] ) ) {
$mods[ $key . '_data' ] = $data;
update_post_meta( $data->attachment_id, '_wp_attachment_is_custom_header', get_stylesheet() );
}
}
}
}
return $mods;
}
/**
* Taken from the core media_sideload_image function and
* modified to return an array of data instead of html.
*
* @param string $file The image file path.
* @return array An array of image data.
*/
private function sideload_image( $file ) {
$data = new stdClass();
if ( ! function_exists( 'media_handle_sideload' ) ) {
require_once( ABSPATH . 'wp-admin/includes/media.php' );
require_once( ABSPATH . 'wp-admin/includes/file.php' );
require_once( ABSPATH . 'wp-admin/includes/image.php' );
}
if ( ! empty( $file ) ) {
// Set variables for storage, fix file filename for query strings.
preg_match( '/[^\?]+\.(jpe?g|jpe|gif|png)\b/i', $file, $matches );
$file_array = array();
$file_array['name'] = basename( $matches[0] );
// Download file to temp location.
$file_array['tmp_name'] = download_url( $file );
// If error storing temporarily, return the error.
if ( is_wp_error( $file_array['tmp_name'] ) ) {
return $file_array['tmp_name'];
}
// Do the validation and storage stuff.
$id = media_handle_sideload( $file_array, 0 );
// If error storing permanently, unlink.
if ( is_wp_error( $id ) ) {
@unlink( $file_array['tmp_name'] );
return $id;
}
// Build the object to return.
$meta = wp_get_attachment_metadata( $id );
$data->attachment_id = $id;
$data->url = wp_get_attachment_url( $id );
$data->thumbnail_url = wp_get_attachment_thumb_url( $id );
$data->height = $meta['height'];
$data->width = $meta['width'];
}
return $data;
}
/**
* Checks to see whether a string is an image url or not.
*
* @return bool Whether the string is an image url or not.
*/
private function is_image_url( $string = '' ) {
if ( is_string( $string ) ) {
if ( preg_match( '/\.(jpg|jpeg|png|gif)/i', $string ) ) {
return true;
}
}
return false;
}
}