Gravity Perks // Nested Forms // Auto-attach Uploaded Files from Child to Parent Notifications
<?php
/**
* WARNING! THIS SNIPPET MAY BE OUTDATED.
* The latest version of this snippet can be found in the Gravity Wiz Snippet Library:
* https://github.com/gravitywiz/snippet-library/blob/master/gp-nested-forms/gp-nested-forms-auto-attach-child-files.php
*/
/**
* Gravity Perks // Nested Forms // Auto-attach Uploaded Files from Child to Parent Notifications
* http://gravitywiz.com/documentation/gravity-forms-nested-forms/
*/
add_filter( 'gform_notification', function( $notification, $form, $entry ) {
if( ! class_exists( 'GPNF_Entry' ) ) {
return $notification;
}
$upload_fields = GFCommon::get_fields_by_type( $form, array( 'fileupload' ) );
// If parent form has upload fields, rely on the notification's Attachments setting.
if( ! empty( $upload_fields ) ) {
if ( ! rgar( $notification, 'enableAttachments', false ) ) {
return $notification;
}
}
// Otherwise, rely on a manually defined array of notification IDs.
else {
$notification_ids = array( '5daaedb49dc32', '5dbce25cc21c2' );
if ( ! in_array( $notification['id'], $notification_ids ) ) {
return $notification;
}
}
$attachments =& $notification['attachments'];
$parent_entry = new GPNF_Entry( $entry );
foreach( $form['fields'] as $field ) {
if( $field->get_input_type() !== 'form' ) {
continue;
}
$upload_root = GFFormsModel::get_upload_root();
$upload_fields = GFCommon::get_fields_by_type( GFAPI::get_form( $field->gpnfForm ), array( 'fileupload' ) );
$child_entries = $parent_entry->get_child_entries( $field->id );
foreach( $child_entries as $child_entry ) {
foreach ( $upload_fields as $upload_field ) {
$attachment_urls = rgar( $child_entry, $upload_field->id );
if ( empty( $attachment_urls ) ) {
continue;
}
$attachment_urls = $upload_field->multipleFiles ? json_decode( $attachment_urls, true ) : array( $attachment_urls );
foreach ( $attachment_urls as $attachment_url ) {
$attachment_url = preg_replace( '|^(.*?)/gravity_forms/|', $upload_root, $attachment_url );
$attachments[] = $attachment_url;
}
}
}
}
return $notification;
}, 10, 3 );