SAAS-223: Airtime Usage Metric: Amount of time spent broadcasting

-calculated scheduled broadcasting

airtime_mvc/application/models/LiveLog.php

@@ -22,7 +22,43 @@ class Application_Model_LiveLog
                 array_push($rows, $last_row);
             }
 
-            $duration = self::GetDuration($rows);
+            //$duration = self::GetDuration($rows);
+            $hours = 0;
+            $minutes = 0;
+            $seconds = 0;
+
+            foreach ($rows as $row) {
+                $end = new DateTime($row['end_time']);
+                $start = new DateTime($row['start_time']);
+                $duration = $start->diff($end);
+                $duration = $duration->format("%H:%i:%s");
+                $intervals = explode(":", $duration);
+                // Trim milliseconds (DateInteral does not support)
+                $sec = explode(".", $intervals[2]);
+                $intervals[2] = $sec[0];
+
+                $seconds += $intervals[2];
+                if ($seconds / 60 >= 1) {
+                    $minutes += 1;
+                    $seconds -= 60;
+                }
+
+                $minutes += $intervals[1];
+                if ($minutes / 60 >= 1) {
+                    $hours += 1;
+                    $minutes -= 60;
+                }
+
+                $hours += $intervals[0];
+
+                // Delete data we just used to start a new log history
+                $sql_delete = "DELETE FROM CC_LIVE_LOG"
+                            ." WHERE id = '{$row['id']}'";
+                $con->exec($sql_delete);
+            }
+            $seconds = explode(".", $seconds);
+            $duration = new DateInterval("PT". $hours . "H" . $minutes . "M" . $seconds[0] ."S");
+            return $duration->format("%H:%i:%s");
             return $duration;
         } catch (Exception $e) {
             header('HTTP/1.0 503 Service Unavailable');
@@ -50,57 +86,98 @@ class Application_Model_LiveLog
                 array_push($rows, $last_row);
             }
 
-            $duration = new DateTime("00:00:00");
+            $hours = 0;
+            $minutes = 0;
+            $seconds = 0;
 
-            /* Get all tracks from cc_schedule that played
+            /* Get all shows and tracks from cc_schedule that played
              * during a scheduled state
              */
             foreach ($rows as $row) {
-                //Get all show instances
-                $sql_get_shows = "SELECT * FROM cc_show_instances"
-                               ." WHERE starts >= '{$row['start_time']}'"
-                	           ." AND ends < '{$row['end_time']}'";
-                $shows = $con->query($sql_get_shows)->fetchAll();
-                	
-                //Get all tracks from each show and calculate total duration
-                foreach ($shows as $show) {
                 $sql_get_tracks = "SELECT * FROM cc_schedule"
-                                    ." WHERE starts >= '{$show['starts']}'"
+                                ." WHERE starts >= '{$row['start_time']}'"
-                                    ." AND starts < '{$show['ends']}'"
+                                ." AND starts < '{$row['end_time']}'"
                                 ." AND file_id IS NOT NULL"
-                                    ." AND media_item_played IS TRUE"
+                                ." AND media_item_played IS TRUE";
-                                    ." AND instance_id = '{$show['show_id']}'";
                 $tracks = $con->query($sql_get_tracks)->fetchAll();
-                    $last_track = array_pop($tracks);
                 foreach ($tracks as $track) {
-                       	$track_start = new DateTime($track['starts']);
+                    if ($track['ends'] > $row['end_time']) {
-                       	$track_end = new DateTime($track['ends']);
+                        $scheduled_ends = new DateTime($row['end_time']);
-                        $duration->add($track_start->diff($track_end));   
+                        $track_ends = new DateTime($track['ends']);
-                    }
+                        $extra_time = $scheduled_ends->diff($track_ends);
-                    if ($last_track['ends'] > $show['ends']) {
-                        /*
-                        $show_end = new DateTime($show['ends']);
-                        $last_track_start = new DateTime($last_track['starts']);
-                        $last_track_end = new DateTime($last_track['ends']);
 
-                        $last_track_length = new DateTime($last_track_start->diff($last_track_end));
+                        /* Get difference between clip_length
-                            
+                         * and the extra time. We need to subtract
-                        $trackdiff = new DateTime($show_end->diff($last_track_end));
+                         * this difference from the track's
-                           
+                         * clip length.
-                        $new_track_length = new DateTime($trackdiff->diff($last_track_length));
-                            
-                        $duration->add($new_track_length);
                          */
+                        $clip_length = $track['clip_length'];
+                        //Convert clip_length into seconds
+                        $clip_length_intervals = explode(":", $clip_length);
+                        $clip_length_seconds = $clip_length_intervals[0]*3600 + $clip_length_intervals[1]*60 + $clip_length_intervals[2];
+                         
+                        $extra_time = $extra_time->format("%H:%i:%s");
+                        //Convert extra_time into seconds;
+                        $extra_time_intervals = explode(":", $extra_time);
+                        $extra_time_seconds = $extra_time_intervals[0]*3600 + $extra_time_intervals[1]*60 + $extra_time_intervals[2];
+
+                        $clip_length_seconds -= $extra_time_seconds;
+                         
+                        //Convert new clip_length into "H-i-s" format
+                        $clip_length_arr = array();
+                        if ($clip_length_seconds / 3600 >= 1) {
+                            array_push($clip_length_arr, str_pad(floor($clip_length_seconds / 3600), 2, "0", STR_PAD_LEFT));
+                            $clip_length_seconds -= floor($clip_length_seconds / 3600);
                         }
                         else {
-                        $last_track_start = new DateTime($last_track['starts']);
+                            array_push($clip_length_arr, "00");
-                      	$last_track_end = new DateTime($last_track['ends']);
-                        $duration->add($last_track_start->diff($last_track_end));
                         }
+                        if ($clip_length_seconds / 60 >= 1) {
+                            array_push($clip_length_arr, str_pad(floor($clip_length_seconds / 60), 2, "0", STR_PAD_LEFT));
+                            $clip_length_seconds -= floor($clip_length_seconds / 60);
                         }
-            $duration = $duration->format("H:i:s");
+                        else {
-            return $duration;
+                            array_push($clip_length_arr, "00");
                         }
+
+                        array_push($clip_length_arr, str_pad($clip_length_seconds, 2, "0", STR_PAD_LEFT));
+                        $clip_length = implode(":", $clip_length_arr);
+                    }
+                    else {
+                        $clip_length = $track['clip_length'];
+                    }
+
+                    $intervals = explode(":", $clip_length);
+                    // Trim milliseconds (DateInteral does not support)
+                    $sec = explode(".", $intervals[2]);
+                    $intervals[2] = $sec[0];
+
+                    $seconds += $intervals[2];
+                    if ($seconds / 60 >= 1) {
+                        $minutes += 1;
+                        $seconds -= 60;
+                    }
+
+                    $minutes += $intervals[1];
+                    if ($minutes / 60 >= 1) {
+                        $hours += 1;
+                        $minutes -= 60;
+                    }
+
+                    $hours += $intervals[0];
+                }
+
+                //Delete row because we do not need data anymore
+                $sql_delete = "DELETE FROM CC_LIVE_LOG"
+                            ." WHERE id = '{$row['id']}'";
+                $con->exec($sql_delete);
+
+            }
+
+
+            $seconds = explode(".", $seconds);
+            $duration = new DateInterval("PT". $hours . "H" . $minutes . "M" . $seconds[0] ."S");
+            return $duration->format("%H:%i:%s");
         } catch (Exception $e) {
             header('HTTP/1.0 503 Service Unavailable');
             Logging::log("GetScheduledDuration - Could not connect to database.");
@@ -120,15 +197,17 @@ class Application_Model_LiveLog
     }
 
     public static function UpdateLastLogEndTime($log) {
+        if ($log['end_time'] == null) {
             $current_time = new DateTime("now", new DateTimeZone('UTC'));
             $log['end_time'] = $current_time;
             $log['end_time'] = $log['end_time']->format("Y-m-d H:i:s");
-        self::SetEndTime($log['state'], $current_time);
+            self::SetEndTime($log['state'], $current_time, true);
             self::SetNewLogTime($log['state'], $current_time);
+        }
         return $log;
     }
 
-    public static function SetNewLogTime($state, $dateTime, $end_scheduled=true){
+    public static function SetNewLogTime($state, $dateTime){
         try {
             $con = Propel::getConnection();
 
@@ -156,16 +235,14 @@ class Application_Model_LiveLog
         }
     }
 
-    public static function SetEndTime($state, $dateTime){
+    public static function SetEndTime($state, $dateTime, $override=false){
         try {
             $con = Propel::getConnection();
 
-            //if ($state == 'L') {
             $dj_live = Application_Model_Preference::GetSourceSwitchStatus('live_dj');
             $master_live = Application_Model_Preference::GetSourceSwitchStatus('master_dj');
-            //}
 
-            if (($dj_live=='off' && $master_live=='off') || $state == 'S') {
+            if (($dj_live=='off' && $master_live=='off') || $state == 'S' || $override) {
                 $sql = "SELECT id, state from cc_live_log"
                 ." where id in (select max(id) from cc_live_log)";
                 $row = $con->query($sql)->fetch();
@@ -176,13 +253,13 @@ class Application_Model_LiveLog
                 if ($row['state'] == $state) {
                     $update_sql = "UPDATE CC_LIVE_LOG"
                     ." SET end_time = '{$dateTime->format("Y-m-d H:i:s")}'"
-                                ." WHERE id = '$row[0]'";
+                    ." WHERE id = '{$row['id']}'";
                     $con->exec($update_sql);
                 }
 
                 //If live broadcasting is off, turn scheduled play on
                 $scheduled = Application_Model_Preference::GetSourceSwitchStatus('scheduled_play');
-                if ($state == 'L' && $scheduled=='on') {
+                if ($state == 'L' && $scheduled=='on' && !$override) {
                     self::SetNewLogTime('S', $dateTime);
                 }
             }