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<?php |
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|
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if ( ! class_exists( 'WP_Importer' ) ) { |
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$class_wp_importer = ABSPATH . 'wp-admin/includes/class-wp-importer.php'; |
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if ( file_exists( $class_wp_importer ) ) { |
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require $class_wp_importer; |
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} |
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} |
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|
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|
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class HappyForms_Import_Controller extends WP_Importer { |
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|
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var $file_id; |
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|
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private static $instance; |
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|
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public static function instance() { |
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if ( is_null( self::$instance ) ) { |
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self::$instance = new self(); |
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} |
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|
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self::$instance->hook(); |
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|
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return self::$instance; |
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} |
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|
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public function hook() { |
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add_filter( 'happyforms_import_page_method', array( $this, 'set_admin_page_method' ) ); |
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add_filter( 'happyforms_import_page_url', array( $this, 'set_admin_page_url' ) ); |
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} |
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|
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public function set_admin_page_method() { |
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return array( $this, 'dispatch' ); |
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} |
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|
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public function set_admin_page_url() { |
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return 'happyforms-import'; |
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} |
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|
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public function dispatch() { |
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$this->header(); |
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|
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if ( ! isset( $_FILES['import']['name'] ) ) { |
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$this->upload_form(); |
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} else { |
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if ( $this->handle_upload() ) { |
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check_admin_referer( 'import-upload' ); |
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require_once( happyforms_get_include_folder() . '/classes/class-importer-xml.php' ); |
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|
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$file = get_attached_file( $this->id ); |
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$importer = new HappyForms_Importer_XML(); |
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$result = $importer->import( $file ); |
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|
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$messages = []; |
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|
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if ( is_wp_error( $result ) ) { |
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$messages = $result->get_error_messages(); |
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} else { |
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$messages = $importer->get_success_messages(); |
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} |
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|
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if ( ! empty( $messages ) ) { |
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$this->print_messages( $messages ); |
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} |
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|
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wp_import_cleanup( $this->id ); |
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} |
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} |
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|
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$this->footer(); |
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} |
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|
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function header() { |
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echo '<div class="wrap">'; |
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echo '<h2>' . __( 'Import Forms', 'happyforms' ) . '</h2>'; |
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} |
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|
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function footer() { |
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echo '</div>'; |
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} |
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|
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function upload_form() { |
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echo '<div class="narrow">'; |
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echo '<p>' . __( 'Choose a forms export (.xml) file to upload, then click Upload file and import.', 'happyforms' ) . '</p>'; |
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wp_import_upload_form( 'admin.php?page=happyforms-import' ); |
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echo '</div>'; |
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} |
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|
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public function handle_upload() { |
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$file = wp_import_handle_upload(); |
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|
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if ( isset( $file['error'] ) ) { |
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echo '<p><strong>' . __( 'Sorry, there has been an error.', 'happyforms' ) . '</strong><br />'; |
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echo esc_html( $file['error'] ) . '</p>'; |
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|
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return false; |
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} else if ( ! file_exists( $file['file'] ) ) { |
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echo '<p><strong>' . __( 'Sorry, there has been an error.', 'wordpress-importer' ) . '</strong><br />'; |
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printf( __( 'The export file could not be found at <code>%s</code>. It is likely that this was caused by a permissions problem.', 'happyforms' ), esc_html( $file['file'] ) ); |
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echo '</p>'; |
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|
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return false; |
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} |
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|
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$this->id = (int) $file['id']; |
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|
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return true; |
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} |
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|
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private function print_messages( $messages ) { |
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$output = array_map( function( $message ) { |
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return "<p>$message</p>"; |
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}, $messages ); |
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|
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$output = implode( '', $output ); |
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|
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echo $output; |
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} |
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|
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} |
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|
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if ( ! function_exists( 'happyforms_get_import_controller' ) ): |
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|
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function happyforms_get_import_controller() { |
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return HappyForms_Import_Controller::instance(); |
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} |
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|
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endif; |
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|
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happyforms_get_import_controller(); |
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|
