Scalr\Stats\CostAnalytics\Usage::isLead PHP Метод

    public function isLead($email)
    {
        $isLead = $this->db->GetOne("\n            SELECT pp.project_id\n            FROM project_properties pp\n            JOIN projects p ON p.project_id = pp.project_id\n            WHERE pp.name = ?\n            AND pp.value = ?\n            AND p.archived = ?\n\n            UNION\n\n            SELECT cp.cc_id\n            FROM cc_properties cp\n            JOIN ccs c ON c.cc_id = cp.cc_id\n            WHERE cp.name = ?\n            AND cp.value = ?\n            AND c.archived = ?\n        ", [ProjectPropertyEntity::NAME_LEAD_EMAIL, $email, ProjectEntity::NOT_ARCHIVED, CostCentrePropertyEntity::NAME_LEAD_EMAIL, $email, CostCentreEntity::NOT_ARCHIVED]);
        return $isLead ? true : false;
    }