no signup for shifts for angels that are not arrived

includes/model/Shifts_model.php

@@ -121,6 +121,10 @@ function Shift_free_entries($shift_id, $angeltype_id) {
 function Shift_signup_allowed_angel($user, $shift, $angeltype, $user_angeltype, $user_shifts, $angeltype_supporter = false) {
   $free_entries = Shift_free_entries($shift['SID'], $angeltype['id']);
   
+  if($user['Gekommen'] == 0) {
+    return new ShiftSignupState(ShiftSignupState::SHIFT_ENDED, $free_entries);
+  }
+  
   if ($user_shifts == null) {
     $user_shifts = Shifts_by_user($user);
   }

includes/view/ShiftCalendarShiftRenderer.php

@@ -78,6 +78,10 @@ class ShiftCalendarShiftRenderer {
       }
       $html .= $angeltype_html;
     }
+    if ($shift_signup_state == null) {
+      $shift_signup_state = new ShiftSignupState(ShiftSignupState::SHIFT_ENDED, 0);
+    }
+    
     if (in_array('user_shifts_admin', $privileges)) {
       $html .= '<li class="list-group-item">' . button(page_link_to('user_shifts') . '&amp;shift_id=' . $shift['SID'] . '&amp;type_id=' . $angeltype['id'], _("Add more angels"), 'btn-xs') . '</li>';
     }