$bugfixes

includes/model/Shifts_model.php

@@ -293,7 +293,9 @@ function Shift_free_entries($needed_angeltype, $shift_entries)
             $taken++;
         }
     }
-    return max(0, $needed_angeltype['count'] - $taken);
+
+    $neededAngels = !empty($needed_angeltype) ? $needed_angeltype['count'] : 0;
+    return max(0, $neededAngels - $taken);
 }
 
 /**

includes/model/User_model.php

@@ -39,6 +39,10 @@ function User_tshirt_score($user)
         $user['UID'],
         time()
     ]);
+    if (!isset($result_shifts['tshirt_score'])) {
+        $result_shifts = ['tshirt_score' => 0];
+    }
+
     $result_worklog = DB::selectOne('
         SELECT SUM(`work_hours`) AS `tshirt_score`
         FROM `User` 
@@ -49,6 +53,9 @@ function User_tshirt_score($user)
         $user['UID'],
         time()
     ]);
+    if (!isset($result_worklog['tshirt_score'])) {
+        $result_worklog = ['tshirt_score' => 0];
+    }
 
     return $result_shifts['tshirt_score'] + $result_worklog['tshirt_score'];
 }