/**
* The constructor
* Initialize some local variables from the request
* @param int $idSite
* @param Piwik_Date $date ($this->date from controller)
* @throws Exception
*/
public function __construct($idSite, $date, $graphType = null)
{
$this->apiMethod = Piwik_Common::getRequestVar('apiMethod', '', 'string');
if (empty($this->apiMethod)) {
throw new Exception("Parameter apiMethod not set.");
}
$this->label = Piwik_Common::getRequestVar('label', '', 'string');
$this->label = Piwik_Common::unsanitizeInputValue($this->label);
if ($this->label === '') {
throw new Exception("Parameter label not set.");
}
$this->period = Piwik_Common::getRequestVar('period', '', 'string');
if (empty($this->period)) {
throw new Exception("Parameter period not set.");
}
$this->idSite = $idSite;
$this->graphType = $graphType;
if ($this->period != 'range') {
// handle day, week, month and year: display last X periods
$end = $date->toString();
list($this->date, $lastN) = Piwik_ViewDataTable_GenerateGraphHTML_ChartEvolution::getDateRangeAndLastN($this->period, $end);
}
$this->segment = Piwik_Common::getRequestVar('segment', '', 'string');
$this->loadEvolutionReport();
}
protected function getRequestString()
{
$string = parent::getRequestString();
foreach ($this->extraRequestParams as $param => $value) {
$string .= '&' . $param . '=' . urlencode($value);
}
return $string;
}
