feat: 站内信 (#6183)

* 添加站内信

* s

* s

* 添加接口

* fix

* fix

* 重构了一些

* 完成

* 完善

* s

* s

* s

* s

* s

* s

* 测试ok

* 替换业务中发送消息的方式

* 修改

* s

* 去掉 update 兼容 create

* 添加 unread total 接口

* 调整json字段

Co-authored-by: xinwen <coderWen@126.com>

apps/notifications/api/site_msgs.py

@@ -0,0 +1,59 @@
+from rest_framework.response import Response
+from rest_framework.mixins import ListModelMixin, RetrieveModelMixin
+from rest_framework.decorators import action
+
+from common.permissions import IsValidUser
+from common.const.http import GET, PATCH, POST
+from common.drf.api import JmsGenericViewSet
+from ..serializers import (
+    SiteMessageListSerializer, SiteMessageRetrieveSerializer, SiteMessageIdsSerializer,
+    SiteMessageSendSerializer,
+)
+from ..site_msg import SiteMessage
+
+__all__ = ('SiteMessageViewSet', )
+
+
+class SiteMessageViewSet(ListModelMixin, RetrieveModelMixin, JmsGenericViewSet):
+    permission_classes = (IsValidUser,)
+    serializer_classes = {
+        'retrieve': SiteMessageRetrieveSerializer,
+        'unread': SiteMessageListSerializer,
+        'list': SiteMessageListSerializer,
+        'mark_as_read': SiteMessageIdsSerializer,
+        'send': SiteMessageSendSerializer,
+    }
+
+    def get_queryset(self):
+        user = self.request.user
+        msgs = SiteMessage.get_user_all_msgs(user.id)
+        return msgs
+
+    @action(methods=[GET], detail=False)
+    def unread(self, request, **kwargs):
+        user = request.user
+        msgs = SiteMessage.get_user_unread_msgs(user.id)
+        msgs = self.filter_queryset(msgs)
+        return self.get_paginated_response_with_query_set(msgs)
+
+    @action(methods=[GET], detail=False, url_path='unread-total')
+    def unread_total(self, request, **kwargs):
+        user = request.user
+        msgs = SiteMessage.get_user_unread_msgs(user.id)
+        return Response(data={'total': msgs.count()})
+
+    @action(methods=[PATCH], detail=False)
+    def mark_as_read(self, request, **kwargs):
+        user = request.user
+        seri = self.get_serializer(data=request.data)
+        seri.is_valid(raise_exception=True)
+        ids = seri.validated_data['ids']
+        SiteMessage.mark_msgs_as_read(user.id, ids)
+        return Response({'detail': 'ok'})
+
+    @action(methods=[POST], detail=False)
+    def send(self, request, **kwargs):
+        seri = self.get_serializer(data=request.data)
+        seri.is_valid(raise_exception=True)
+        SiteMessage.send_msg(**seri.validated_data, sender=request.user)
+        return Response({'detail': 'ok'})