CC-4961: Show linking

Made some progress on show editing

airtime_mvc/application/models/airtime/CcShowDays.php

@@ -15,4 +15,29 @@
  */
 class CcShowDays extends BaseCcShowDays {
 
+    public function isRepeating()
+    {
+        return $this->getDbRepeatType() != -1;
+    }
+
+    public function getUTCStartDateAndTime()
+    {
+        $dt = new DateTime(
+            "{$this->getDbFirstShow()} {$this->getDbStartTime()}",
+            new DateTimeZone($this->getDbTimezone())
+        );
+        $dt->setTimezone(new DateTimeZone("UTC"));
+
+        return $dt;
+    }
+
+    public function getLocalStartDateAndTime()
+    {
+        $dt = new DateTime(
+            "{$this->getDbFirstShow()} {$this->getDbStartTime()}",
+            new DateTimeZone($this->getDbTimezone())
+        );
+
+        return $dt;
+    }
 } // CcShowDays

airtime_mvc/application/services/ScheduleService.php

@@ -223,6 +223,8 @@ class Application_Service_ScheduleService
 
         if ($currentUser->isAdminOrPM()) {
             $ccShow = $this->service_show->setShow($showData, false);
+
+            $this->service_showInstances->updateShowInstances($showData, $isRecorded, $repeatType);
         }
     }
 
@@ -259,7 +261,7 @@ class Application_Service_ScheduleService
 
         //if the show is repeating, set the start date to the next
         //repeating instance in the future
-        if ($currentShowDay->getDbRepeatType() != -1) {
+        if ($currentShowDay->isRepeating()) {
              $nextFutureRepeatShow = $this->service_showInstances
                  ->getNextFutureRepeatShowTime($formData["add_show_id"]);
              $originalShowStartDateTime = $nextFutureRepeatShow["starts"];

airtime_mvc/application/services/ShowDaysService.php

@@ -8,6 +8,24 @@ class Application_Service_ShowDaysService
     {
         $this->showId = $id;
     }
+
+    public function calculateEndDate($showData)
+    {
+        if ($showData['add_show_no_end']) {
+            $endDate = NULL;
+        } elseif ($showData['add_show_repeats']) {
+            $endDateTime = new DateTime($showData['add_show_end_date']);
+            $endDateTime->add(new DateInterval("P1D"));
+            $endDate = $endDateTime->format("Y-m-d");
+        } else {
+            $endDateTime = new DateTime($showData['add_show_start_date']);
+            $endDateTime->add(new DateInterval("P1D"));
+            $endDate = $endDateTime->format("Y-m-d");
+        }
+
+        return $endDate;
+    }
+
     /**
      * 
      * Sets the fields for a cc_show_days table row
@@ -21,17 +39,7 @@ class Application_Service_ShowDaysService
     {
         $startDateTime = new DateTime($showData['add_show_start_date']." ".$showData['add_show_start_time']);
 
-        if ($showData['add_show_no_end']) {
+        $endDate = $this->calculateEndDate($showData);
-            $endDate = NULL;
-        } elseif ($showData['add_show_repeats']) {
-            $endDateTime = new DateTime($showData['add_show_end_date']);
-            $endDateTime->add(new DateInterval("P1D"));
-            $endDate = $endDateTime->format("Y-m-d");
-        } else {
-            $endDateTime = new DateTime($showData['add_show_start_date']);
-            $endDateTime->add(new DateInterval("P1D"));
-            $endDate = $endDateTime->format("Y-m-d");
-        }
 
         /* What we are doing here is checking if the show repeats or if
          * any repeating days have been checked. If not, then by default
@@ -94,10 +102,12 @@ class Application_Service_ShowDaysService
      */
     public function getShowDays()
     {
-        $sql = "SELECT * FROM cc_show_days WHERE show_id = :show_id";
+        /*$sql = "SELECT * FROM cc_show_days WHERE show_id = :show_id";
 
         return Application_Common_Database::prepareAndExecute(
-            $sql, array(":show_id" => $this->showId), 'all');
+            $sql, array(":show_id" => $this->showId), 'all');*/
+        return CcShowDaysQuery::create()->filterByDbShowId(
+            $this->showId)->find();
     }
 
     public function getStartDateAndTime()

airtime_mvc/application/services/ShowInstanceService.php

@@ -30,7 +30,7 @@ class Application_Service_ShowInstanceService
         $showDays = $this->service_showDays->getShowDays();
 
         foreach ($showDays as $day) {
-            switch ($day["repeat_type"]) {
+            switch ($day->getDbRepeatType()) {
                 case NO_REPEAT:
                     $this->createNonRepeatingShowInstance($day, $populateUntil, $isRebroadcast);
                     break;
@@ -59,17 +59,17 @@ class Application_Service_ShowInstanceService
      */
     private function createNonRepeatingShowInstance($showDay, $populateUntil, $isRebroadcast)
     {
-        $start = $showDay["first_show"]." ".$showDay["start_time"];
+        $start = $showDay->getDbFirstShow()." ".$showDay->getDbStartTime();
 
         list($utcStartDateTime, $utcEndDateTime) = $this->service_show->createUTCStartEndDateTime(
-            $start, $showDay["duration"], $showDay["timezone"]);
+            $start, $showDay->getDbDuration(), $showDay->getDbTimezone());
 
         if ($utcStartDateTime->getTimestamp() < $populateUntil->getTimestamp()) {
             $ccShowInstance = new CcShowInstances();
-            $ccShowInstance->setDbShowId($showDay["show_id"]);
+            $ccShowInstance->setDbShowId($showDay->getDbShowId());
             $ccShowInstance->setDbStarts($utcStartDateTime);
             $ccShowInstance->setDbEnds($utcEndDateTime);
-            $ccShowInstance->setDbRecord($showDay["record"]);
+            $ccShowInstance->setDbRecord($showDay->getDbRecord());
             $ccShowInstance->save();
 
             if ($isRebroadcast) {
@@ -89,15 +89,15 @@ class Application_Service_ShowInstanceService
     private function createWeeklyRepeatingShowInstances($showDay, $populateUntil,
         $repeatInterval, $isRebroadcast)
     {
-        $show_id       = $showDay["show_id"];
+        $show_id       = $showDay->getDbShowId();
-        $next_pop_date = $showDay["next_pop_date"];
+        $next_pop_date = $showDay->getDbNextPopDate();
-        $first_show    = $showDay["first_show"]; //non-UTC
+        $first_show    = $showDay->getDbFirstShow(); //non-UTC
-        $last_show     = $showDay["last_show"]; //non-UTC
+        $last_show     = $showDay->getDbLastShow(); //non-UTC
-        $start_time    = $showDay["start_time"]; //non-UTC
+        $start_time    = $showDay->getDbStartTime(); //non-UTC
-        $duration      = $showDay["duration"];
+        $duration      = $showDay->getDbDuration();
-        $day           = $showDay["day"];
+        $day           = $showDay->getDbDay();
-        $record        = $showDay["record"];
+        $record        = $showDay->getDbRecord();
-        $timezone      = $showDay["timezone"];
+        $timezone      = $showDay->getDbTimezone();
 
         $currentUtcTimestamp = gmdate("Y-m-d H:i:s");
 
@@ -229,4 +229,220 @@ SQL;
 
         return $show;
     }
+
+    /**
+     * This function is messy. But sometimes there is no easy way to do it.
+     * 
+     * When editing a show we may need to perform some actions to reflect the new specs:
+     * - Delete some show instances
+     * - Update duration
+     * - Update start and end time
+     * 
+     * @param $showData edit show form values in raw form
+     * @param $isRecorded value computed from the edit show form
+     * @param $repeatType value computed from the edit show form
+     */
+    public function updateShowInstances($showData, $isRecorded, $repeatType)
+    {
+        $showId = $showData["add_show_id"];
+
+        $this->service_showDays = new Application_Service_ShowDaysService($showId);
+        //ccShowDays object of the show being edited
+        $currentShowDay = $this->service_showDays->getCurrentShowDay();
+
+        $endDate = $this->service_showDays->calculateEndDate($showData);
+
+        //repeat option was toggled
+        if ($showData['add_show_repeats'] != $currentShowDay->isRepeating()) {
+            $this->deleteAllRepeatInstances($currentShowDay, $showId);
+        }
+
+        //duration has changed
+        if ($showData['add_show_duration'] != $currentShowDay->getDbDuration()) {
+            $this->updateDuration($showData);
+        }
+
+        if ($showData['add_show_repeats']) {
+
+            $localShowStart = $currentShowDay->getLocalStartDateAndTime();
+
+            //if the start date changes, these are the repeat types
+            //that require show instance deletion
+            $deleteRepeatTypes = array(REPEAT_BI_WEEKLY, REPEAT_MONTHLY_MONTHLY, 
+                REPEAT_MONTHLY_WEEKLY);
+
+            if (in_array($repeatType, $deleteRepeatTypes) &&
+                $showData["add_show_start_date"] != $localShowStart->format("Y-m-d")) {
+
+                //Start date has changed when repeat type is bi-weekly or monthly.
+                //This screws up the repeating positions of show instances, so lets
+                //we need to delete them (CC-2351)
+                $this->deleteAllInstances($showId);
+            }
+
+            if ($repeatType != $currentShowDay->getDbRepeatType()) {
+                //repeat type changed
+                $this->deleteAllInstances($showId);
+            } else {
+                //repeat type is the same, check if the days of the week are the same
+                $repeatingDaysChanged = false;
+                $ccShowDays = $this->service_showDays->getShowDays();
+                $showDays = array();
+                foreach ($ccShowDays as $day) {
+                    $showDays[] = $day->getDbDay();
+                }
+                if (count($showData['add_show_day_check']) == count($showDays)) {
+                    //same number of days checked, lets see if they are the same numbers
+                    $intersect = array_intersect($showData['add_show_day_check'], $showDays);
+                    if (count($intersect) != count($showData['add_show_day_check'])) {
+                        $repeatingDaysChanged = true;
+                    }
+                } else {
+                    $repeatingDaysChanged = true;
+                }
+
+                if ($repeatingDaysChanged) {
+                    $daysRemoved = array_diff($showDays, $showData['add_show_day_check']);
+
+                    if (count($daysRemoved) > 0) {
+                        //delete repeating show instances for the repeating
+                        //days that were removed
+                        $this->deleteRemovedShowDayInstances($daysRemoved,
+                            $ccShowDays, $showId);
+                    }
+                }
+
+                if ($showData['add_show_start_date'] != $localShowStart->format("Y-m-d")
+                    || $showData['add_show_start_time'] != $localShowStart->format("H:i:s")){
+
+                    //start date/time has changed
+                    if ($showData['add_show_start_date'] > $localShowStart->format("Y-m-d")) {
+                        $this->deleteInstancesBeforeDate($showData['add_show_start_date'], $showId);
+                    }
+
+                    /*$this->updateStartDateTime($showData, $p_endDate);*/
+                }
+            }
+/*
+            //Check if end date for the repeat option has changed. If so, need to take care
+            //of deleting possible invalid Show Instances.
+            if ((strlen($this->getRepeatingEndDate()) == 0) == $showData['add_show_no_end']) {
+                //show "Never Ends" option was toggled.
+                if ($showData['add_show_no_end']) {
+                } else {
+                    $this->removeAllInstancesFromDate($p_endDate);
+                }
+            }
+            if ($this->getRepeatingEndDate() != $showData['add_show_end_date']) {
+                //end date was changed.
+
+                $newDate = strtotime($showData['add_show_end_date']);
+                $oldDate = strtotime($this->getRepeatingEndDate());
+                if ($newDate < $oldDate) {
+                    $this->removeAllInstancesFromDate($p_endDate);
+                }
+            }*/
+        }
+    }
+
+    public function deleteAllRepeatInstances($currentShowDay, $showId)
+    {
+        $firstShow = $currentShowDay->getUTCStartDateAndTime();
+
+        $sql = <<<SQL
+DELETE
+FROM cc_show_instances
+WHERE starts > :timestamp::TIMESTAMP
+  AND show_id = :showId
+  AND date(starts) != :firstShow
+SQL;
+        Application_Common_Database::prepareAndExecute( $sql,
+            array( ':timestamp' => gmdate("Y-m-d H:i:s"),
+                   ':showId'    => $showId,
+                   ':firstShow' => $firstShow->format("Y-m-d")), 'execute');
+    }
+
+    public function deleteAllInstances($showId)
+    {
+        $sql = <<<SQL
+DELETE
+FROM cc_show_instances
+WHERE starts > :timestamp::TIMESTAMP
+  AND show_id = :showId
+SQL;
+        Application_Common_Database::prepareAndExecute( $sql,
+            array( ':timestamp' => gmdate("Y-m-d H:i:s"),
+                   ':showId'    => $showId), 'execute');
+    }
+
+    /**
+     * 
+     * Enter description here ...
+     * @param $daysRemoved array of days removed
+     *     (
+     * @param $showDays
+     * @param $showId
+     */
+    public function deleteRemovedShowDayInstances($daysRemoved, $showDays, $showId)
+    {
+        $daysRemovedUTC = array();
+
+        //convert the start day of the week to UTC
+        foreach ($showDays as $showDay) {
+            if (in_array($showDay->getDbDay(), $daysRemoved)) {
+               $showDay->reload();
+               $startDay = $showDay->getUTCStartDateAndTime();
+               $daysRemovedUTC[] = $startDay->format('w');
+            }
+        }
+
+        $uncheckedDays = pg_escape_string(implode(",", $daysRemovedUTC));
+
+        $sql = <<<SQL
+DELETE
+FROM cc_show_instances
+WHERE EXTRACT(DOW FROM starts) IN ($uncheckedDays)
+  AND starts > :timestamp::TIMESTAMP
+  AND show_id = :showId
+SQL;
+
+        Application_Common_Database::prepareAndExecute( $sql,
+            array(
+                ":timestamp" => gmdate("Y-m-d H:i:s"),
+                ":showId"    => $showId,
+            ), "execute");
+    }
+
+    public function deleteInstancesBeforeDate($newStartDate, $showId)
+    {
+        $sql = <<<SQL
+DELETE
+FROM cc_show_instances
+WHERE date(starts) < :newStartDate::DATE
+  AND starts > :timestamp::TIMESTAMP
+  AND show_id = :showId
+SQL;
+
+        Application_Common_Database::prepareAndExecute($sql, array(
+            ":newStartDate" => $newStartDate, ":timestamp" =>  gmdate("Y-m-d H:i:s"),
+            ":showId" => $showId), "execute");
+    }
+
+    public function updateDuration($showData)
+    {
+        $date = new Application_Common_DateHelper;
+        $timestamp = $date->getUtcTimestamp();
+
+        $sql = <<<SQL
+UPDATE cc_show_instances
+SET ends = starts + :add_show_duration::INTERVAL
+WHERE show_id = :show_id
+  AND ends > :timestamp::TIMESTAMP
+SQL;
+        
+        Application_Common_Database::prepareAndExecute( $sql, array(
+            ':add_show_duration' => $showData['add_show_duration'],
+            ':show_id' => $showData['add_show_id'],
+            ':timestamp' => $timestamp), "execute");
+    }
 }