CC-5074: Editing a linked instance sets incorrect schedule start times

airtime_mvc/application/models/Scheduler.php

@@ -634,10 +634,7 @@ class Application_Model_Scheduler
                         $pstart = microtime(true);
 
                         //recalculate the start/end times after the inserted items.
-                        Logging::info($excludeIds);
-                        Logging::info($initalStartDT);
                         foreach ($followingSchedItems as $item) {
-                            Logging::info($item);
                             $endTimeDT = $this->findEndTime($nextStartDT, $item->getDbClipLength());
 
                             $item->setDbStarts($nextStartDT);

airtime_mvc/application/models/airtime/CcShowInstances.php

@@ -185,4 +185,10 @@ class CcShowInstances extends BaseCcShowInstances {
         return $this->getDbRebroadcast() == 1 ? true : false;
     }
 
+    public function getLocalStartDateTime()
+    {
+        $startDT = $this->getDbStarts(null);
+        return $startDT->setTimezone(new DateTimeZone(Application_Model_Preference::GetTimezone()));
+    }
+
 } // CcShowInstances

airtime_mvc/application/services/SchedulerService.php

@@ -69,9 +69,14 @@ class Application_Service_SchedulerService
                 ->filterByDbInstanceId($instanceIds, Criteria::IN)
                 ->find();
             foreach ($ccSchedules as $ccSchedule) {
+                $interval = new DateInterval("PT".$diff."S");
+                $start = new DateTime($ccSchedule->getDbStarts());
+                $newStart = $start->add($interval);
+                $end = new DateTime($ccSchedule->getDbEnds());
+                $newEnd = $end->add($interval);
                 $ccSchedule
-                    ->setDbStarts($ccSchedule->getDbStarts() + $diff)
-                    ->setDbEnds($ccSchedule->getDbEnds() + $diff)
+                    ->setDbStarts($newStart->format("Y-m-d H:i:s"))
+                    ->setDbEnds($newEnd->format("Y-m-d H:i:s"))
                     ->save();
             }
         }

airtime_mvc/application/services/ShowService.php

@@ -52,18 +52,21 @@ class Application_Service_ShowService
             //so we can get the original start date and time
             $oldCcShow = CcShowQuery::create()
                 ->findPk($showData["add_show_id"]);
-            $currentShowDay = $oldCcShow->getFirstCcShowDay();
 
             //DateTime in user's local time
             $newStartDateTime = new DateTime($showData["add_show_start_date"]." ".
             $showData["add_show_start_time"],
                 new DateTimeZone(Application_Model_Preference::GetTimezone()));
 
+            $ccShowInstanceOrig = CcShowInstancesQuery::create()
+                ->findPk($showData["add_show_instance_id"]);
             $diff = $this->calculateShowStartDiff($newStartDateTime,
-                $currentShowDay->getLocalStartDateAndTime());
+                $ccShowInstanceOrig->getLocalStartDateTime());
 
+            if ($diff > 0) {
                 Application_Service_SchedulerService::updateScheduleStartTime(
                     array($showData["add_show_instance_id"]), $diff);
+            }
             /****** UPDATE SCHEDULE START TIME ENDS******/
 
             $this->setCcShow($showData);
@@ -89,10 +92,7 @@ class Application_Service_ShowService
             }
 
             //delete the edited instance from the repeating sequence
-            CcShowInstancesQuery::create()
-                ->findPk($showData["add_show_instance_id"])
-                ->setDbModifiedInstance(true)
-                ->save();
+            $ccShowInstanceOrig->setDbModifiedInstance(true)->save();
 
             $service_showForm = new Application_Service_ShowFormService($showData["add_show_id"]);
             list($start, $end) = $service_showForm->getNextFutureRepeatShowTime();