*
* @since 1.7.3
*/
public function fetch_revisions_list() {
// Run a security check.
check_ajax_referer( 'wpforms-builder', 'nonce' );
wp_send_json_success(
[
'html' => $this->render_revisions_list(),
]
);
}
/**
* Restore the revision (if needed) and reload the Form Builder.
*
* @since 1.7.3
*
* @return void
*/
public function process_restore() {
$is_restore_request = isset( $_GET['action'] ) && $_GET['action'] === 'restore_revision';
// Bail early.
if (
! $is_restore_request ||
! $this->form_id ||
! $this->form ||
! $this->revision_id ||
! $this->revision ||
! check_admin_referer( 'restore_revision', 'wpforms_nonce' )
) {
return;
}
$restored_id = wp_restore_post_revision( $this->revision );
if ( $restored_id ) {
wp_safe_redirect(
wpforms()->obj( 'revisions' )->get_url(
[
'form_id' => $restored_id,
]
)
);
exit;
}
}
/**
* Create initial revision for existing form.
*
* When a new form is created with revisions enabled, WordPress immediately creates first revision which is identical to the form. But when
* a form was created with revisions disabled, this initial revision does not exist. Revisions are saved after post update, so modifying
* a form that have no initial revision will update the post first, then a revision of this updated post will be saved. The version of
* the form that existed before this update is now gone. To avoid losing this pre-revisions state, we create this initial revision
* when the Form Builder loads, if needed.
*
* @since 1.7.3
*
* @return void
*/
public function maybe_create_initial_revision() {
// On new form creation there's no revisions yet, bail. Also, when revisions are disabled.
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
if ( isset( $_GET['newform'] ) || ! wp_revisions_enabled( $this->form ) ) {
return;
}
$revisions = wp_get_post_revisions(
$this->form_id,
[
'fields' => 'ids',
'numberposts' => 1,
]
);
if ( $revisions ) {
return;
}
$initial_revision_id = wp_save_post_revision( $this->form_id );
$initial_revision = wp_get_post_revision( $initial_revision_id );
// Initial revision should belong to the author of the original form.
if ( $initial_revision->post_author !== $this->form->post_author ) {
wp_update_post(
[
'ID' => $initial_revision_id,
'post_author' => $this->form->post_author,
]
);
}
}
/**
* Pass localized strings to frontend.
*
* @since 1.7.3
*
* @param array $strings All strings that will be passed to frontend.
* @param WP_Post $form Current form object.
*
* @return array
*/
public function get_localized_strings( $strings, $form ) {
$strings['revision_update_confirm'] = esc_html__( 'You’re about to save a form revision. Continuing will make this the current version.', 'wpforms-lite' );
return $strings;
}
}
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