/**
* (non-PHPdoc)
* @see app/code/core/Mage/Adminhtml/Block/Dashboard/Mage_Adminhtml_Block_Dashboard_Graph#getChartUrl($directUrl = true)
*/
public function getChartUrl($directUrl = true)
{
// check if google chart API should be used or internal chart library
if (Mage::getStoreConfig('piwik/piwik_chart/google')) {
return parent::getChartUrl($directUrl);
}
// load the data for the series
$this->_allSeries = $this->getRowsData($this->_dataRows);
// initialize the axis labels
foreach ($this->_axisMaps as $axis => $attr) {
$this->setAxisLabels($axis, $this->getRowsData($attr, true));
}
// load the start and the end date
list($dateStart, $dateEnd) = Mage::getResourceModel('reports/order_collection')->getDateRange($this->getDataHelper()->getParam('period'), '', '', true);
// initialize the arrays for the data
$dates = array();
$datas = array();
// assemble the arrays with the data and the dates
while ($dateStart->compare($dateEnd) < 0) {
switch ($this->getDataHelper()->getParam('period')) {
case '24h':
$d = $dateStart->toString('yyyy-MM-dd HH:00');
$dateStart->addHour(1);
break;
case '7d':
case '1m':
$d = $dateStart->toString('yyyy-MM-dd');
$dateStart->addDay(1);
break;
case '1y':
case '2y':
$d = $dateStart->toString('yyyy-MM');
$dateStart->addMonth(1);
break;
}
foreach ($this->getAllSeries() as $index => $serie) {
if (in_array($d, $this->_axisLabels['x'])) {
$datas[$index][] = (double) array_shift($this->_allSeries[$index]);
} else {
$datas[$index][] = 0;
}
}
$dates[] = $d;
}
// initialize the array for the assembled data
$params = array();
// iterate over the dates
foreach ($dates as $key => $date) {
// format the date
switch ($this->getDataHelper()->getParam('period')) {
case '24h':
$date = $this->formatTime($date, 'short', false);
break;
case '7d':
case '1m':
$date = $this->formatDate($date);
break;
case '1y':
case '2y':
$formats = Mage::app()->getLocale()->getTranslationList('datetime');
$format = isset($formats['yyMM']) ? $formats['yyMM'] : 'MM/yyyy';
$format = str_replace(array("yyyy", "yy", "MM"), array("Y", "y", "m"), $format);
$date = date($format, strtotime($date));
break;
}
// assemble the date and the apropriate data
foreach ($datas as $name => $values) {
$params[] = array($date, $key, $datas[$name][$key]);
}
}
// return the encoded data
if ($directUrl) {
$p = array();
foreach ($params as $name => $value) {
$p[] = $name . '=' . urlencode($value);
}
return self::API_URL . '?' . implode('&', $p);
} else {
$gaData = urlencode(base64_encode(serialize($params)));
$gaHash = Mage::helper('piwik')->getChartDataHash($gaData);
$params = array('ga' => $gaData, 'h' => $gaHash);
return $this->getUrl('piwik/adminhtml_dashboard/tunnel', array('_query' => $params));
}
}
public function testGetChartUrl()
{
$this->assertStringStartsWith('http://chart.apis.google.com/chart', $this->_block->getChartUrl());
}
