Files
vontor-cz/backend/social/chat/serializers.py
2026-04-20 00:04:15 +02:00

75 lines
2.6 KiB
Python

from rest_framework import serializers
from .models import Chat, Message, MessageFile, MessageHistory, MessageReaction
class MessageFileSerializer(serializers.ModelSerializer):
class Meta:
model = MessageFile
fields = ['id', 'file', 'media_type', 'uploaded_at']
read_only_fields = ['uploaded_at']
class MessageReactionSerializer(serializers.ModelSerializer):
class Meta:
model = MessageReaction
fields = ['id', 'user', 'emoji', 'created_at']
read_only_fields = ['user', 'created_at']
class MessageHistorySerializer(serializers.ModelSerializer):
class Meta:
model = MessageHistory
fields = ['id', 'old_content', 'archived_at']
read_only_fields = ['archived_at']
class MessageSerializer(serializers.ModelSerializer):
media_files = MessageFileSerializer(many=True, read_only=True)
reactions = MessageReactionSerializer(many=True, read_only=True)
class Meta:
model = Message
fields = [
'id', 'chat', 'sender', 'reply_to',
'content', 'is_edited', 'edited_at',
'created_at', 'updated_at',
'media_files', 'reactions',
]
read_only_fields = ['sender', 'chat', 'reply_to', 'is_edited', 'edited_at', 'created_at', 'updated_at']
class MessageSendSerializer(serializers.Serializer):
"""Used for the HTTP send endpoint (text + optional files)."""
chat = serializers.PrimaryKeyRelatedField(queryset=Chat.objects.all())
content = serializers.CharField(required=False, allow_blank=True, default='')
reply_to = serializers.PrimaryKeyRelatedField(
queryset=Message.objects.all(), required=False, allow_null=True
)
# files come via request.FILES - declared here for schema documentation only
files = serializers.ListField(
child=serializers.FileField(allow_empty_file=False, use_url=False),
required=False,
default=list,
write_only=True,
)
def validate(self, attrs):
if not attrs.get('content') and not attrs.get('files'):
raise serializers.ValidationError('A message must have content or at least one file.')
return attrs
class ChatSerializer(serializers.ModelSerializer):
class Meta:
model = Chat
fields = [
'id', 'chat_type', 'owner', 'name',
'icon', 'banner', 'members', 'moderators',
'hub', 'created_at', 'updated_at',
]
read_only_fields = ['owner', 'created_at', 'updated_at']
class ChatMemberSerializer(serializers.Serializer):
user_id = serializers.IntegerField(help_text='PK of the user to add or remove.')