Refactor: Move repeated check into its own function.
Refactor: Move repeated check into its own function.

peterjanes/dosage,webcomics/dosage,wummel/dosage,blade2005/dosage,wummel/dosage,blade2005/dosage,Freestila/dosage,Freestila/dosage,webcomics/dosage,peterjanes/dosage,mbrandis/dosage,mbrandis/dosage