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<?php

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namespace WPForms\Admin\Tools\Importers;

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/**

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* Base Importer class.

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* @since 1.6.6

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abstract class Base implements ImporterInterface {

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/**

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* Importer name.

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* @since 1.6.6

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* @var string

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public $name;

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/**

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* Importer name in slug format.

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* @since 1.6.6

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* @var string

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public $slug;

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/**

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* Importer plugin path.

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* @since 1.6.6

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* @var string

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public $path;

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/**

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* Primary class constructor.

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* @since 1.6.6

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public function __construct() {

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$this->init();

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// Import a specific form with AJAX.

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add_action( "wp_ajax_wpforms_import_form_{$this->slug}", [ $this, 'import_form' ] );

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}

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/**

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* Add to list of registered importers.

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* @since 1.6.6

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* @param array $importers List of supported importers.

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* @return array

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public function register( $importers = [] ) {

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$importers[ $this->slug ] = [

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'name' => $this->name,

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'slug' => $this->slug,

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'path' => $this->path,

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'installed' => file_exists( trailingslashit( WP_PLUGIN_DIR ) . $this->path ),

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'active' => $this->is_active(),

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];

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return $importers;

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}

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/**

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* If the importer source is available.

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* @since 1.6.6

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* @return bool

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protected function is_active() {

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return is_plugin_active( $this->path );

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}

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/**

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* Add the new form to the database and return AJAX data.

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* @since 1.6.6

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* @param array $form Form to import.

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* @param array $unsupported List of unsupported fields.

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* @param array $upgrade_plain List of fields, that are supported inside the paid WPForms, but not in Lite.

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* @param array $upgrade_omit No field alternative in WPForms.

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public function add_form( $form, $unsupported = [], $upgrade_plain = [], $upgrade_omit = [] ) {

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// Create empty form so we have an ID to work with.

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$form_id = wp_insert_post(

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[

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'post_status' => 'publish',

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'post_type' => 'wpforms',

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]

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);

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if ( empty( $form_id ) || is_wp_error( $form_id ) ) {

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wp_send_json_success(

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[

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'error' => true,

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'name' => sanitize_text_field( $form['settings']['form_title'] ),

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'msg' => esc_html__( 'There was an error while creating a new form.', 'wpforms-lite' ),

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]

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);

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}

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$form['id'] = $form_id;

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$form['field_id'] = count( $form['fields'] ) + 1;

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// Update the form with all our compiled data.

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wpforms()->get( 'form' )->update( $form_id, $form );

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// Make note that this form has been imported.

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$this->track_import( $form['settings']['import_form_id'], $form_id );

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// Build and send final AJAX response!

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wp_send_json_success(

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[

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'name' => $form['settings']['form_title'],

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'edit' => esc_url_raw( admin_url( 'admin.php?page=wpforms-builder&view=fields&form_id=' . $form_id ) ),

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'preview' => wpforms_get_form_preview_url( $form_id ),

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'unsupported' => $unsupported,

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'upgrade_plain' => $upgrade_plain,

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'upgrade_omit' => $upgrade_omit,

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]

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);

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}

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/**

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* After a form has been successfully imported we track it, so that in the

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* future we can alert users if they try to import a form that has already

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* been imported.

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* @since 1.6.6

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* @param int $source_id Imported plugin form ID.

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* @param int $wpforms_id WPForms form ID.

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public function track_import( $source_id, $wpforms_id ) {

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$imported = get_option( 'wpforms_imported', [] );

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$imported[ $this->slug ][ $wpforms_id ] = $source_id;

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update_option( 'wpforms_imported', $imported, false );

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}

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}

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