public function find_in_db() { $toMatch = ['docset_filename' => $this->docset_filename, 'page_path' => $this->page_path]; if ($this->docset_filename == "Mono" && !empty($this->httrack_source)) { $toMatch = ['docset_filename' => $this->docset_filename, 'httrack_source' => $this->httrack_source]; } return Identifier::where($toMatch)->first(); }