UnisKB/apps/chat/serializers/chat_record.py

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2025-06-23 12:19:32 +00:00
# coding=utf-8
"""
@project: MaxKB
@Author虎虎
@file chat_record.py
@date2025/6/23 11:16
@desc:
"""
from typing import Dict
from django.db import transaction
from django.db.models import QuerySet
from django.utils.translation import gettext_lazy as _, gettext
from rest_framework import serializers
from application.models import VoteChoices, ChatRecord
from common.exception.app_exception import AppApiException
from common.utils.lock import try_lock, un_lock
class VoteRequest(serializers.Serializer):
vote_status = serializers.ChoiceField(choices=VoteChoices.choices,
label=_("Bidding Status"))
class VoteSerializer(serializers.Serializer):
chat_id = serializers.UUIDField(required=True, label=_("Conversation ID"))
chat_record_id = serializers.UUIDField(required=True,
label=_("Conversation record id"))
@transaction.atomic
def vote(self, instance: Dict, with_valid=True):
if with_valid:
self.is_valid(raise_exception=True)
VoteRequest(data=instance).is_valid(raise_exception=True)
if not try_lock(self.data.get('chat_record_id')):
raise AppApiException(500,
gettext(
"Voting on the current session minutes, please do not send repeated requests"))
try:
chat_record_details_model = QuerySet(ChatRecord).get(id=self.data.get('chat_record_id'),
chat_id=self.data.get('chat_id'))
if chat_record_details_model is None:
raise AppApiException(500, gettext("Non-existent conversation chat_record_id"))
vote_status = instance.get("vote_status")
if chat_record_details_model.vote_status == VoteChoices.UN_VOTE:
if vote_status == VoteChoices.STAR:
# 点赞
chat_record_details_model.vote_status = VoteChoices.STAR
if vote_status == VoteChoices.TRAMPLE:
# 点踩
chat_record_details_model.vote_status = VoteChoices.TRAMPLE
chat_record_details_model.save()
else:
if vote_status == VoteChoices.UN_VOTE:
# 取消点赞
chat_record_details_model.vote_status = VoteChoices.UN_VOTE
chat_record_details_model.save()
else:
raise AppApiException(500, gettext("Already voted, please cancel first and then vote again"))
finally:
un_lock(self.data.get('chat_record_id'))
return True