'''

Inspired by https://stackoverflow.com/a/36289332

'''

from django_filters.rest_framework import (BaseInFilter, Filter, FilterSet,

                                           UUIDFilter)

from ..models import Note, Session

class ExtIdFilter(BaseInFilter, UUIDFilter):

    pass

class CoreFilterSet(FilterSet):

    ext_id__in = ExtIdFilter(name='ext_id')

class SessionFilterSet(CoreFilterSet):

    class Meta:

        model = Session

        fields = ['ext_id__in']

class NoteFilterSet(CoreFilterSet):

    class Meta:

        model = Note

        fields = ['ext_id__in']