gpnf-gravitypdf-auto-attach-child-pdfs.php: Added a snippet for attaching child entry PDFs generated by Gravity PDF to parent entry notifications.

Author: barthc

gp-nested-forms/gpnf-gravitypdf-auto-attach-child-pdfs.php

@@ -0,0 +1,49 @@
+<?php
+/**
+ * Gravity Perks // Nested Forms + Gravity PDF // Auto-attach Child PDFs to Parent Form Notifications
+ * http://gravitywiz.com/documentation/gravity-forms-nested-forms/
+ */
+add_filter( 'gform_notification', function ( $notification, $form, $entry ) {
+
+	if ( ! class_exists( 'GPNF_Entry' ) || ! class_exists( 'GFPDF\Model\Model_PDF' ) ) {
+		return $notification;
+	}
+
+	// Initialize attachments array.
+	if ( ! isset( $notification['attachments'] ) ) {
+		$notification['attachments'] = array();
+	}
+
+	$attachments  =& $notification['attachments'];
+	$parent_entry = new GPNF_Entry( $entry );
+
+	foreach ( $form['fields'] as $field ) {
+
+		if ( $field->get_input_type() !== 'form' ) {
+			continue;
+		}
+
+		$child_form    = GFAPI::get_form( $field->gpnfForm );
+		$child_entries = $parent_entry->get_child_entries( $field->id );
+
+		foreach ( $child_entries as $child_entry ) {
+
+			$pdf_model = GPDFAPI::get_mvc_class( 'Model_PDF' );
+			$pdfs      = isset( $child_form['gfpdf_form_settings'] ) ? $pdf_model->get_active_pdfs( $child_form['gfpdf_form_settings'], $child_entry ) : array();
+
+			foreach ( $pdfs as $pdf ) {
+				$settings = $child_form['gfpdf_form_settings'][ $pdf['id'] ];
+
+				// Generate our PDF.
+				$filename = $pdf_model->generate_and_save_pdf( $child_entry, $settings );
+
+				if ( ! is_wp_error( $filename ) ) {
+					// Add PDF to notification PDFs.
+					$attachments[] = $filename;
+				}
+			}
+		}
+	}
+
+	return $notification;
+}, 10, 3 );