Piwik\Plugins\Insights\API::generateOverviewReport PHP Method

    private function generateOverviewReport($method, $idSite, $period, $date, $segment, array $defaultParams)
    {
        $tableManager = DataTable\Manager::getInstance();
        /** @var DataTable[] $tables */
        $tables = array();
        foreach ($this->getOverviewReports() as $reportId => $reportParams) {
            if (!empty($reportParams)) {
                foreach ($defaultParams as $key => $defaultParam) {
                    if (!array_key_exists($key, $reportParams)) {
                        $reportParams[$key] = $defaultParam;
                    }
                }
            }
            $firstTableId = $tableManager->getMostRecentTableId();
            $table = $this->requestApiMethod($method, $idSite, $period, $date, $reportId, $segment, $reportParams);
            $reportTableIds[] = $table->getId();
            $tableManager->deleteTablesExceptIgnored($reportTableIds, $firstTableId);
            $tables[] = $table;
        }
        $map = new DataTable\Map();
        foreach ($tables as $table) {
            $map->addTable($table, $table->getMetadata('reportName'));
        }
        return $map;
    }