/** * The constructor * Initialize some local variables from the request * @param int $idSite * @param Date $date ($this->date from controller) * @param null|string $graphType * @throws Exception */ public function __construct($idSite, $date, $graphType = null) { $this->apiMethod = Common::getRequestVar('apiMethod', '', 'string'); if (empty($this->apiMethod)) { throw new Exception("Parameter apiMethod not set."); } $this->label = ResponseBuilder::getLabelFromRequest($_GET); if (!is_array($this->label)) { throw new Exception("Expected label to be an array, got instead: " . $this->label); } $this->label = $this->label[0]; if ($this->label === '') { throw new Exception("Parameter label not set."); } $this->period = Common::getRequestVar('period', '', 'string'); if (empty($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, $lastN) = EvolutionViz::getDateRangeAndLastN($this->period, $end); } $this->segment = \Piwik\API\Request::getRawSegmentFromRequest(); $this->loadEvolutionReport(); }