From 9f462fe3d60a183f03d02d4bd9802d52ef06adc7 Mon Sep 17 00:00:00 2001
From: Johann Hoffmann <ma0646@technikum-wien.at>
Date: Fri, 29 May 2026 10:21:44 +0200
Subject: [PATCH] "hasContent" guardrail in abgabetoolJob to avoid sending
 empty email templates when every possible relevant change has been filtered
 by the job;

---
 application/controllers/jobs/AbgabetoolJob.php | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/application/controllers/jobs/AbgabetoolJob.php b/application/controllers/jobs/AbgabetoolJob.php
index b81053032..2e5c4d7b9 100644
--- a/application/controllers/jobs/AbgabetoolJob.php
+++ b/application/controllers/jobs/AbgabetoolJob.php
@@ -358,7 +358,8 @@ class AbgabetoolJob extends JOB_Controller
 		foreach($assistenzMap as $assistenz_person_id => $tupelArr) {
 
 			$abgabenString = '<div style="font-family: Arial, sans-serif; color: #333;">';
-
+			$hasContent = false;
+			
 			foreach($tupelArr as $tupel) {
 				$projektarbeit_id = $tupel[0];
 				$assistenzRow = $tupel[1];
@@ -377,6 +378,7 @@ class AbgabetoolJob extends JOB_Controller
 				if(count($relevantAbgaben) == 0) {
 					continue;
 				}
+				$hasContent = true;
 
 				// Format the Student Name
 				$s = $relevantAbgaben[0];
@@ -447,7 +449,12 @@ class AbgabetoolJob extends JOB_Controller
 			}
 
 			$abgabenString .= '</div>';
-
+			
+			// skip send entirely
+			if (!$hasContent) { 
+				continue;
+			}
+			
 			// done with building the change list, now send it
 			$assistenzRow = $tupelArr[0][1];
 			$anrede = $assistenzRow->anrede;