"""Utils app serializer."""
from rest_framework import serializers

from utils.models import PlatformMixin


class EmptySerializer(serializers.Serializer):
    """Empty Serializer"""


class SourceSerializerMixin(serializers.Serializer):
    """Base authorization serializer mixin"""
    source = serializers.ChoiceField(choices=PlatformMixin.SOURCES,
                                     default=PlatformMixin.WEB,
                                     write_only=True)