persist

application/forms/RotationConfigForm.php

@@ -8,7 +8,6 @@
 use DateTime;
 use Generator;
 use Icinga\Exception\Http\HttpNotFoundException;
-use Icinga\Exception\NotImplementedError;
 use Icinga\Module\Notifications\Common\Database;
 use Icinga\Module\Notifications\Model\Contact;
 use Icinga\Module\Notifications\Model\Contactgroup;
@@ -365,7 +364,37 @@ public function editRotation(int $rotationId): void
      */
     public function removeRotation(int $id): void
     {
-        throw new NotImplementedError('Not implemented');
+        $scheduleId = $this->getValue('schedule');
+        $priority = $this->getValue('priority');
+        if ($scheduleId === null || $priority === null) {
+            throw new LogicException('The schedule and priority must be populated');
+        }
+
+        $transactionStarted = false;
+        if (! $this->db->inTransaction()) {
+            $transactionStarted = $this->db->beginTransaction();
+        }
+
+        $timeperiodId = $this->db->fetchScalar(
+            (new Select())
+                ->from('timeperiod')
+                ->columns('id')
+                ->where(['owned_by_rotation_id = ?' => $id])
+        );
+
+        $this->db->delete('timeperiod_entry', ['timeperiod_id = ?' => $timeperiodId]);
+        $this->db->delete('timeperiod', ['id = ?' => $timeperiodId]);
+        $this->db->delete('rotation_member', ['rotation_id = ?' => $id]);
+        $this->db->delete('rotation', ['id = ?' => $id]);
+
+        $this->db->update('rotation', ['priority' => new Expression('priority - 1')], [
+            'schedule_id = ?' => $scheduleId,
+            'priority > ?' => $priority
+        ]);
+
+        if ($transactionStarted) {
+            $this->db->commitTransaction();
+        }
     }
 
     protected function assembleModeSelection(): string