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<?php
/**
* Base Importer class.
*
* @since 1.4.2
*/
abstract class WPForms_Importer implements WPForms_Importer_Interface {
/**
* Importer name.
*
* @since 1.4.2
*
* @var string
*/
public $name;
/**
* Importer name in slug format.
*
* @since 1.4.2
*
* @var string
*/
public $slug;
/**
* Importer plugin path.
*
* @since 1.4.2
*
* @var string
*/
public $path;
/**
* Primary class constructor.
*
* @since 1.4.2
*/
public function __construct() {
$this->init();
// Add to list of available importers.
add_filter( 'wpforms_importers', array( $this, 'register' ), 10, 1 );
// Return array of all available forms.
add_filter( "wpforms_importer_forms_{$this->slug}", array( $this, 'get_forms' ), 10, 1 );
// Import a specific form with AJAX.
add_action( "wp_ajax_wpforms_import_form_{$this->slug}", array( $this, 'import_form' ) );
}
/**
* Add to list of registered importers.
*
* @since 1.4.2
*
* @param array $importers List of supported importers.
*
* @return array
*/
public function register( $importers = array() ) {
$importers[ $this->slug ] = array(
'name' => $this->name,
'slug' => $this->slug,
'path' => $this->path,
'installed' => file_exists( trailingslashit( WP_PLUGIN_DIR ) . $this->path ),
'active' => $this->is_active(),
);
return $importers;
}
/**
* If the importer source is available.
*
* @since 1.4.2
*
* @return bool
*/
protected function is_active() {
return is_plugin_active( $this->path );
}
/**
* Add the new form to the database and return AJAX data.
*
* @since 1.4.2
*
* @param array $form Form to import.
* @param array $unsupported List of unsupported fields.
* @param array $upgrade_plain List of fields, that are supported inside the paid WPForms, but not in Lite.
* @param array $upgrade_omit No field alternative in WPForms.
*/
public function add_form( $form, $unsupported = array(), $upgrade_plain = array(), $upgrade_omit = array() ) {
// Create empty form so we have an ID to work with.
$form_id = wp_insert_post( array(
'post_status' => 'publish',
'post_type' => 'wpforms',
) );
if ( empty( $form_id ) || is_wp_error( $form_id ) ) {
wp_send_json_success( array(
'error' => true,
'name' => sanitize_text_field( $form['settings']['form_title'] ),
'msg' => esc_html__( 'There was an error while creating a new form.', 'wpforms-lite' ),
) );
}
$form['id'] = $form_id;
$form['field_id'] = count( $form['fields'] ) + 1;
// Update the form with all our compiled data.
wpforms()->form->update( $form_id, $form );
// Make note that this form has been imported.
$this->track_import( $form['settings']['import_form_id'], $form_id );
// Build and send final AJAX response!
wp_send_json_success( array(
'name' => $form['settings']['form_title'],
'edit' => esc_url_raw( admin_url( 'admin.php?page=wpforms-builder&view=fields&form_id=' . $form_id ) ),
'preview' => wpforms_get_form_preview_url( $form_id ),
'unsupported' => $unsupported,
'upgrade_plain' => $upgrade_plain,
'upgrade_omit' => $upgrade_omit,
) );
}
/**
* After a form has been successfully imported we track it, so that in the
* future we can alert users if they try to import a form that has already
* been imported.
*
* @since 1.4.2
*
* @param int $source_id Imported plugin form ID.
* @param int $wpforms_id WPForms form ID.
*/
public function track_import( $source_id, $wpforms_id ) {
$imported = get_option( 'wpforms_imported', array() );
$imported[ $this->slug ][ $wpforms_id ] = $source_id;
update_option( 'wpforms_imported', $imported, false );
}
}
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