CC-4661: Listener Statistics

-backend part working

airtime_mvc/application/controllers/ApiController.php

@@ -40,6 +40,8 @@ class ApiController extends Zend_Controller_Action
                 ->addActionContext('get-files-without-replay-gain' , 'json')
                 ->addActionContext('reload-metadata-group'         , 'json')
                 ->addActionContext('notify-webstream-data'         , 'json')
+                ->addActionContext('get-stream-parameters'         , 'json')
+                ->addActionContext('push-stream-stats'         , 'json')
                 ->initContext();
     }
 
@@ -957,4 +959,22 @@ class ApiController extends Zend_Controller_Action
         $this->view->media_id = $media_id;
     }
 
+    public function getStreamParametersAction() {
+        $streams = array("s1", "s2", "s3");
+        $stream_params = array();
+        foreach ($streams as $s) {
+            $stream_params[$s] = 
+                Application_Model_StreamSetting::getStreamDataNormalized($s);
+        }
+        $this->view->stream_params = $stream_params;
+    }
+
+    public function pushStreamStatsAction() {
+        $request = $this->getRequest();
+        $data = json_decode($request->getParam("data"), true);
+
+        Application_Model_ListenerStat::insertDataPoints($data);
+        $this->view->data = $data;
+    }
+
 }

airtime_mvc/application/models/ListenerStat.php

@@ -17,4 +17,25 @@ SQL;
         
         return $data;
     }
-}
+
+    public static function insertDataPoints($p_dataPoints) {
+
+
+        $timestamp_sql = "INSERT INTO cc_timestamp (timestamp) VALUES (:ts::TIMESTAMP) RETURNING id;";
+        $stats_sql = "INSERT INTO cc_listener_count (timestamp_id, listener_count)
+            VALUES (:timestamp_id, :listener_count)";
+        foreach ($p_dataPoints as $dp) {
+            $timestamp_id = Application_Common_Database::prepareAndExecute($timestamp_sql, 
+                array('ts'=> $dp['timestamp']), "column");
+
+            Application_Common_Database::prepareAndExecute($stats_sql,
+                array('timestamp_id' => $timestamp_id, 
+                'listener_count' => $dp["num_listeners"])
+            );
+        }
+
+    }
+
+
+
+}

airtime_mvc/application/models/StreamSetting.php

@@ -129,6 +129,35 @@ class Application_Model_StreamSetting
         return $data;
     }
 
+    /* Similar to getStreamData, but removes all sX prefixes to
+     * make data easier to iterate over */
+    public static function getStreamDataNormalized($p_streamId)
+    {
+        $con = Propel::getConnection();
+        $streamId = pg_escape_string($p_streamId);
+        $sql = "SELECT * "
+                ."FROM cc_stream_setting "
+                ."WHERE keyname LIKE '{$streamId}_%'";
+
+        $stmt = $con->prepare($sql);
+        
+        if ($stmt->execute()) {
+            $rows = $stmt->fetchAll();
+        } else {
+            $msg = implode(',', $stmt->errorInfo());
+            throw new Exception("Error: $msg");
+        }
+
+        $data = array();
+
+        foreach ($rows as $row) {
+            list($id, $key) = explode("_", $row["keyname"], 2);
+            $data[$key] = $row["value"];
+        }
+
+        return $data;
+    }
+
     public static function getStreamSetting()
     {
         $con = Propel::getConnection();