Added Column Chart to Stats showing QSOs per Year

application/controllers/statistics.php

@@ -36,6 +36,8 @@ class Statistics extends CI_Controller {
 		$data['page_title'] = "Statistics"; 
 		
 		$data['total_digi'] = $this->logbook_model->total_digi();
+		
+		$data['totals_year'] = $this->logbook_model->totals_year();
 	
 		$data['page_title'] = "Statistics";
 

application/models/logbook_model.php

@@ -309,15 +309,23 @@ class Logbook_model extends CI_Model {
         return $query;
     }
   
-  function get_todays_qsos() {
+	function get_todays_qsos() {
+		$morning = date('Y-m-d 00:00:00');
+		$night = date('Y-m-d 23:59:59');
+		$query = $this->db->query('SELECT * FROM '.$this->config->item('table_name').' WHERE COL_TIME_ON between \''.$morning.'\' AND \''.$night.'\'');
+		return $query;
+	}
 
-    $morning = date('Y-m-d 00:00:00');
-    $night = date('Y-m-d 23:59:59');
-    $query = $this->db->query('SELECT * FROM '.$this->config->item('table_name').' WHERE COL_TIME_ON between \''.$morning.'\' AND \''.$night.'\'');
-
-    return $query;
-  }
-  
+	function totals_year() {
+		$query = $this->db->query('
+		SELECT DATE_FORMAT(COL_TIME_ON, \'%Y\') as \'year\',
+		COUNT(COL_PRIMARY_KEY) as \'total\'
+		FROM '.$this->config->item('table_name').'
+		GROUP BY DATE_FORMAT(COL_TIME_ON, \'%Y\')
+		');
+		return $query;
+	}
+	  
     /* Return total number of qsos */
      function total_qsos() {
         $query = $this->db->query('SELECT COUNT( * ) as count FROM '.$this->config->item('table_name').'');

application/views/statistics/index.php

@@ -73,6 +73,27 @@
 	}
 
 	</script>
+	<script type="text/javascript">
+	  google.setOnLoadCallback(barchart);
+	  function barchart() {
+		var data = google.visualization.arrayToDataTable([
+		  ['Year', 'QSO'],
+		  <?php foreach($totals_year->result() as $qso_numbers) { ?>
+		  ['<?php echo $qso_numbers->year; ?>',  <?php echo $qso_numbers->total; ?>],
+		  <?php } ?>
+		]);
+
+		var options = {
+		  title: 'Total QSOs Per Year',
+		  vAxis: {title: 'QSOs',  titleTextStyle: {color: 'black'}},
+		  hAxis: {title: 'Year', titleTextStyle: {color: 'black'}}
+
+		};
+
+		var chart = new google.visualization.ColumnChart(document.getElementById('totals_year'));
+		chart.draw(data, options);
+	  }
+	</script>
 
 <div id="container">
 
@@ -85,7 +106,8 @@
 	</ul>
 	 
 	<div class="pill-content">
-	  <div class="active" id="home"><div id="modechart_div"></div> <div id="bandchart_div"></div></div>
+	  <div class="active" id="home">
+	<div id="totals_year" style="width: 900px; height: 500px;"></div><div id="modechart_div"></div> <div id="bandchart_div"></div></div>
 	  <div id="space"><div id="satchart_div"></div></div>
 	</div>