def create_paste(paste: PasteRequestModel) -> Paste:
if not paste.text:
raise HTTPException(status_code=HTTP_400_BAD_REQUEST,
detail="Bad request.")
if not paste.title:
paste.title = paste.text[:30]
paste_obj = Paste.create(title=paste.title,
text=paste.text,
signature=paste.signature)
return paste_obj
