/**
* Parses the data to make the chart with
*/
private function parseChartData()
{
$maxYAxis = 2;
$metrics = array('visitors', 'pageviews');
$graphData = array();
$metricsPerDay = BackendAnalyticsModel::getMetricsPerDay($metrics, $this->startTimestamp, $this->endTimestamp);
foreach ($metrics as $i => $metric) {
$graphData[$i] = array();
$graphData[$i]['title'] = $metric;
$graphData[$i]['label'] = SpoonFilter::ucfirst(BL::lbl(SpoonFilter::toCamelCase($metric)));
$graphData[$i]['i'] = $i + 1;
$graphData[$i]['data'] = array();
foreach ($metricsPerDay as $j => $data) {
// cast SimpleXMLElement to array
$data = (array) $data;
// build array
$graphData[$i]['data'][$j]['date'] = (int) $data['timestamp'];
$graphData[$i]['data'][$j]['value'] = (string) $data[$metric];
}
}
// loop the metrics
foreach ($graphData as $metric) {
foreach ($metric['data'] as $data) {
// get the maximum value
if ((int) $data['value'] > $maxYAxis) {
$maxYAxis = (int) $data['value'];
}
}
}
$this->tpl->assign('maxYAxis', $maxYAxis);
$this->tpl->assign('tickInterval', $maxYAxis == 2 ? '1' : '');
$this->tpl->assign('graphData', $graphData);
}
