notifications-admin/app/url_converters.py

from werkzeug.routing import BaseConverter

from app.models.feedback import (
    GENERAL_TICKET_TYPE,
    PROBLEM_TICKET_TYPE,
    QUESTION_TICKET_TYPE,
)
from app.models.service import Service


class TemplateTypeConverter(BaseConverter):

    regex = '(?:{})'.format('|'.join(Service.TEMPLATE_TYPES))


class TicketTypeConverter(BaseConverter):

    regex = f'(?:{PROBLEM_TICKET_TYPE}|{QUESTION_TICKET_TYPE}|{GENERAL_TICKET_TYPE})'


class LetterFileExtensionConverter(BaseConverter):

    regex = '(?:pdf|png)'


class SimpleDateTypeConverter(BaseConverter):
    regex = r'([12]\d{3}-(0[1-9]|1[0-2])-(0[1-9]|[12]\d|3[01]))'