CC-4661: Listener Statistics

- enhancement on flot
- data point reduction

airtime_mvc/application/configs/navigation.php

@@ -87,7 +87,7 @@ $pages = array(
                 'resource'   => 'playouthistory'
             ),
             array(
-                'label'      => 'Listener Stat',
+                'label'      => 'Listener Stats',
                 'module'     => 'default',
                 'controller' => 'listenerstat',
                 'action'     => 'index',

airtime_mvc/application/controllers/ListenerstatController.php

@@ -18,6 +18,7 @@ class ListenerstatController extends Zend_Controller_Action
         $baseUrl = $request->getBaseUrl();
     
         $this->view->headScript()->appendFile($baseUrl.'/js/flot/jquery.flot.js?'.$CC_CONFIG['airtime_version'],'text/javascript');
+        $this->view->headScript()->appendFile($baseUrl.'/js/flot/jquery.flot.crosshair.js?'.$CC_CONFIG['airtime_version'],'text/javascript');
         $this->view->headScript()->appendFile($baseUrl.'/js/airtime/listenerstat/listenerstat.js?'.$CC_CONFIG['airtime_version'],'text/javascript');
         
         $offset = date("Z") * -1;

airtime_mvc/application/models/ListenerStat.php

@@ -7,25 +7,44 @@ class Application_Model_ListenerStat
     
     public static function getDataPointsWithinRange($p_start, $p_end) {
         $sql = <<<SQL
-SELECT lc.id, ts.timestamp, lc.listener_count, mn.mount_name
+SELECT mount_name, count(*)
     FROM cc_listener_count AS lc
     INNER JOIN cc_timestamp AS ts ON (lc.timestamp_id = ts.ID)
     INNER JOIN cc_mount_name AS mn ON (lc.mount_name_id = mn.ID)
-WHERE (ts.timestamp >=:p1 AND ts.timestamp <= :p2)
+WHERE (ts.timestamp >=:p1 AND ts.timestamp <=:p2)
-    ORDER BY mount_name, timestamp
+group by mount_name
 SQL;
         $data = Application_Common_Database::prepareAndExecute($sql,
-            array('p1'=>$p_start, 'p2'=>$p_end));
+                array('p1'=>$p_start, 'p2'=>$p_end));
         
         $out = array();
         foreach ($data as $d) {
-            $t = new DateTime($d['timestamp'], new DateTimeZone("UTC"));
+            $jump = intval($d['count']/1000);
-            $t->setTimezone(new DateTimeZone(date_default_timezone_get()));
+            $jump = max(1, $jump);
-            // tricking javascript so it thinks the server timezone is in UTC
+            $remainder = $jump == 1?0:1;
-            $dt = new DateTime($t->format("Y-m-d H:i:s"), new DateTimeZone("UTC"));
             
-            $d['timestamp'] = $dt->format("U");
+            $sql = <<<SQL
-            $out[$d['mount_name']][] = $d;
+SELECT *
+FROM
+    (SELECT lc.id, ts.timestamp, lc.listener_count, mn.mount_name,
+        ROW_NUMBER() OVER (ORDER BY timestamp) as rownum
+    FROM cc_listener_count AS lc
+    INNER JOIN cc_timestamp AS ts ON (lc.timestamp_id = ts.ID)
+    INNER JOIN cc_mount_name AS mn ON (lc.mount_name_id = mn.ID)
+    WHERE (ts.timestamp >=:p1 AND ts.timestamp <= :p2) AND mount_name=:p3) as temp
+WHERE (temp.rownum%:p4) = :p5;
+SQL;
+            $result = Application_Common_Database::prepareAndExecute($sql,
+                    array('p1'=>$p_start, 'p2'=>$p_end, 'p3'=>$d['mount_name'], 'p4'=>$jump, 'p5'=>$remainder));
+            foreach ($result as $r) {
+                $t = new DateTime($r['timestamp'], new DateTimeZone("UTC"));
+                $t->setTimezone(new DateTimeZone(date_default_timezone_get()));
+                // tricking javascript so it thinks the server timezone is in UTC
+                $dt = new DateTime($t->format("Y-m-d H:i:s"), new DateTimeZone("UTC"));
+                
+                $r['timestamp'] = $dt->format("U");
+                $out[$r['mount_name']][] = $r;
+            }
         }
         return $out;
     }

airtime_mvc/application/views/scripts/listenerstat/index.phtml

@@ -1,5 +1,5 @@
 <div id="listenerstat_content" class="ui-widget ui-widget-content block-shadow alpha-block padded">
-    Timestamp vs Listener Count<br>
+    Listener Count Over Time<br>
     <div id="flot_placeholder" style="width:600px;height:300px;margin:0px 50px 0px 50px"></div>
     <div id="legend" style="width:600px;height:70px;margin:0px 50px 0px 50px"></div>
     <?php echo $this->date_form; ?>

airtime_mvc/public/js/airtime/listenerstat/listenerstat.js

@@ -35,6 +35,7 @@ function getDataAndPlot(startTimestamp, endTimestamp){
 }
 
 function plot(datasets){
+    var plot;
     data = null;
     function plotByChoice(doAll)
     {
@@ -81,9 +82,20 @@ function plot(datasets){
         numOfTicks = 10;
         tickSize = (lastTimestamp.getTime() - firstTimestamp.getTime())/1000/numOfTicks;
         
-        $.plot($("#flot_placeholder"), data, {
+        plot = $.plot($("#flot_placeholder"), data, {
             yaxis: { min: 0, tickDecimals: 0 },
             xaxis: { mode: "time", timeformat:"%y/%m/%0d %H:%M", tickSize: [tickSize, "second"] },
+            grid: {
+                hoverable: true,
+                backgroundColor: { colors: ["#888888", "#999999"] }
+            },
+            series: {
+                lines: {
+                    show: true,
+                    fill: 0.3
+                },
+                points: { show: true }
+            },
             legend: {
                 container: $('#legend'),
                 noColumns: 5,
@@ -99,6 +111,45 @@ function plot(datasets){
             }
         });
         
+        function showTooltip(x, y, contents) {
+            $('<div id="tooltip">' + contents + '</div>').css( {
+                position: 'absolute',
+                display: 'none',
+                top: y + 5,
+                left: x + 5,
+                border: '1px solid #fdd',
+                padding: '2px',
+                'background-color': '#fee',
+                opacity: 0.80
+            }).appendTo("body").fadeIn(200);
+        }
+
+        var previousPoint = null;
+        $("#flot_placeholder").bind("plothover", function (event, pos, item) {
+            if (item) {
+                if (previousPoint != item.dataIndex) {
+                    previousPoint = item.dataIndex;
+                    
+                    $("#tooltip").remove();
+                    var y = item.datapoint[1].toFixed(2);
+                    
+                    showTooltip(item.pageX, item.pageY,
+                                "Listener Count on '"+item.series.label + "': " + Math.floor(y));
+                }
+            }
+            else {
+                $("#tooltip").remove();
+                previousPoint = null;
+            }
+        });
+
+        $("#placeholder").bind("plotclick", function (event, pos, item) {
+            if (item) {
+                $("#clickdata").text("You clicked point " + item.dataIndex + " in " + item.series.label + ".");
+                plot.highlight(item.series, item.datapoint);
+            }
+        });
+        
         $('#legend').find("input").click(function(){setTimeout(plotByChoice,100);});
     }