from constants.blood_const import BloodGroup,Rh

def get_blood_group(text):
    if text == None or text.lower()=='none':
        return None
    else:
        return BloodGroup(text.upper()).value
    
def get_rh(text):
    if text == None or text.lower()=='none':
        return None
    else:
        return Rh(text.upper()).value