'Helper class method to look up a Survey Form, throw FormItemNotFound if it does not exists
in the database, unless throw_if_not_found=False then we return None'

@classmethod
def get(cls, name, throw_if_not_found=True):

    survey = None
    exists = SurveyForm.objects.filter(name=name).exists()
    if exists:
        survey = SurveyForm.objects.get(name=name)
    elif throw_if_not_found:
        raise SurveyFormNotFound()
    return survey
