add shift entry delete model

includes/model/ShiftEntry_model.php

@@ -7,9 +7,12 @@ function ShiftEntries_freeleaded_count() {
   return sql_select_single_cell("SELECT COUNT(*) FROM `ShiftEntry` WHERE `freeloaded` = 1");
 }
 
+/**
+ * List users subsribed to a given shift.
+ */
 function ShiftEntries_by_shift($shift_id) {
   return sql_select("
-      SELECT `User`.`email`, `User`.`email_shiftinfo`, `User`.`Sprache`, `ShiftEntry`.`UID`, `ShiftEntry`.`TID`, `ShiftEntry`.`SID`, `AngelTypes`.`name` as `angel_type_name`, `ShiftEntry`.`Comment`, `ShiftEntry`.`freeloaded`
+      SELECT `User`.`Nick`, `User`.`email`, `User`.`email_shiftinfo`, `User`.`Sprache`, `ShiftEntry`.`UID`, `ShiftEntry`.`TID`, `ShiftEntry`.`SID`, `AngelTypes`.`name` as `angel_type_name`, `ShiftEntry`.`Comment`, `ShiftEntry`.`freeloaded`
       FROM `ShiftEntry`
       JOIN `User` ON `ShiftEntry`.`UID`=`User`.`UID`
       JOIN `AngelTypes` ON `ShiftEntry`.`TID`=`AngelTypes`.`id`
@@ -31,6 +34,13 @@ function ShiftEntry_create($shift_entry) {
       `freeloaded`=" . sql_escape($shift_entry['freeloaded'] ? 'TRUE' : 'FALSE'));
 }
 
+/**
+ * Delete a shift entry.
+ */
+function ShiftEntry_delete($shift_entry_id) {
+  return sql_query("DELETE FROM `ShiftEntry` WHERE `id`=" . sql_escape($shift_entry_id));
+}
+
 /**
  * Returns next (or current) shifts of given user.
  *

includes/model/Shifts_model.php

@@ -1,4 +1,5 @@
 <?php
+
 function Shifts_by_user($user) {
   return sql_select("
       SELECT * 

includes/pages/user_myshifts.php

@@ -77,15 +77,16 @@ function user_myshifts() {
     if (count($shift) > 0) {
       $shift = $shift[0];
       if (($shift['start'] > time() + $LETZTES_AUSTRAGEN * 3600) || in_array('user_shifts_admin', $privileges)) {
-        sql_query("DELETE FROM `ShiftEntry` WHERE `id`=" . sql_escape($id) . " LIMIT 1");
-        $msg .= success(_("You have been signed off from the shift."), true);
+        $result = ShiftEntry_delete($id);
+        if ($result === false)
+          engelsystem_error('Unable to delete shift entry.');
+        success(_("You have been signed off from the shift."));
       } else
-        $msg .= error(_("It's too late to sign yourself off the shift. If neccessary, ask the dispatcher to do so."), true);
+        error(_("It's too late to sign yourself off the shift. If neccessary, ask the dispatcher to do so."));
     } else
       redirect(page_link_to('user_myshifts'));
   }
   
-  msg();
   redirect(page_link_to('users') . '&action=view');
 }
 ?>

includes/pages/user_shifts.php

@@ -20,7 +20,10 @@ function user_shifts() {
     $shift_entry_source = sql_select("SELECT `User`.`Nick`, `ShiftEntry`.`Comment`, `ShiftEntry`.`UID`, `Shifts`.*, `Room`.`Name`, `AngelTypes`.`name` as `angel_type` FROM `ShiftEntry` JOIN `User` ON (`User`.`UID`=`ShiftEntry`.`UID`) JOIN `AngelTypes` ON (`ShiftEntry`.`TID` = `AngelTypes`.`id`) JOIN `Shifts` ON (`ShiftEntry`.`SID` = `Shifts`.`SID`) JOIN `Room` ON (`Shifts`.`RID` = `Room`.`RID`) WHERE `ShiftEntry`.`id`=" . sql_escape($entry_id) . " LIMIT 1");
     if (count($shift_entry_source) > 0) {
       $shift_entry_source = $shift_entry_source[0];
-      sql_query("DELETE FROM `ShiftEntry` WHERE `id`=" . sql_escape($entry_id) . " LIMIT 1");
+      
+      $result = ShiftEntry_delete($entry_id);
+      if ($result === false)
+        engelsystem_error('Unable to delete shift entry.');
       
       engelsystem_log("Deleted " . User_Nick_render($shift_entry_source) . "'s shift: " . $shift_entry_source['name'] . " at " . $shift_entry_source['Name'] . " from " . date("y-m-d H:i", $shift_entry_source['start']) . " to " . date("y-m-d H:i", $shift_entry_source['end']) . " as " . $shift_entry_source['angel_type']);
       success(_("Shift entry deleted."));
@@ -169,7 +172,6 @@ function user_shifts() {
     
     // Schicht löschen bestätigt
     if (isset($_REQUEST['delete'])) {
-      sql_query("DELETE FROM `ShiftEntry` WHERE `SID`=" . sql_escape($shift_id));
       sql_query("DELETE FROM `NeededAngelTypes` WHERE `shift_id`=" . sql_escape($shift_id));
       sql_query("DELETE FROM `Shifts` WHERE `SID`=" . sql_escape($shift_id) . " LIMIT 1");