feat: room list optimization

chats/apps/api/v1/accounts/serializers.py

@@ -14,21 +14,15 @@ class Meta:
 
 
 class UserSerializer(serializers.ModelSerializer):
-    status = serializers.SerializerMethodField()
-
     class Meta:
         model = User
         fields = [
             "first_name",
             "last_name",
             "email",
-            "status",
         ]
         ref_name = None
 
-    def get_status(self, user: User):
-        return ""
-
 
 class UserNameSerializer(serializers.ModelSerializer):
     class Meta:

chats/apps/api/v1/projects/viewsets.py

@@ -1,9 +1,12 @@
 import json
+
 from django.core.exceptions import ObjectDoesNotExist, ValidationError
+from django.db.models import CharField, Value
+from django.db.models.functions import Concat
 from django_filters.rest_framework import DjangoFilterBackend
 from drf_yasg import openapi
 from drf_yasg.utils import swagger_auto_schema
-from rest_framework import status, viewsets, mixins
+from rest_framework import filters, mixins, status, viewsets
 from rest_framework.decorators import action
 from rest_framework.pagination import LimitOffsetPagination
 from rest_framework.permissions import IsAuthenticated
@@ -426,10 +429,15 @@ def partial_update(self, request, uuid=None):
 
 
 class ProjectPermissionViewset(viewsets.ReadOnlyModelViewSet):
-    queryset = ProjectPermission.objects.all()
+    queryset = ProjectPermission.objects.all().annotate(
+        full_name=Concat(
+            "user__first_name", Value(" "), "user__last_name", output_field=CharField()
+        )
+    )
     serializer_class = ProjectPermissionReadSerializer
     permission_classes = []
-    filter_backends = [DjangoFilterBackend]
+    filter_backends = [DjangoFilterBackend, filters.SearchFilter]
+    search_fields = ["user__email", "full_name"]
     filterset_fields = ["project", "role", "status"]
     lookup_field = "uuid"
 

chats/apps/api/v1/rooms/serializers.py

@@ -3,7 +3,10 @@
 
 from chats.apps.accounts.models import User
 from chats.apps.api.v1.accounts.serializers import UserSerializer
-from chats.apps.api.v1.contacts.serializers import ContactRelationsSerializer
+from chats.apps.api.v1.contacts.serializers import (
+    ContactRelationsSerializer,
+    ContactSimpleSerializer,
+)
 from chats.apps.api.v1.queues.serializers import QueueSerializer
 from chats.apps.api.v1.sectors.serializers import DetailSectorTagSerializer
 from chats.apps.queues.models import Queue
@@ -87,6 +90,57 @@ def get_can_edit_custom_fields(self, room: Room):
         return room.queue.sector.can_edit_custom_fields
 
 
+class ListRoomSerializer(serializers.ModelSerializer):
+    user = UserSerializer(many=False, read_only=True)
+    contact = ContactSimpleSerializer(many=False, read_only=True)
+    unread_msgs = serializers.SerializerMethodField()
+    last_message = serializers.SerializerMethodField()
+    is_waiting = serializers.SerializerMethodField()
+    is_24h_valid = serializers.SerializerMethodField()
+    last_interaction = serializers.DateTimeField(read_only=True)
+    can_edit_custom_fields = serializers.SerializerMethodField()
+
+    class Meta:
+        model = Room
+        fields = [
+            "uuid",
+            "user",
+            "contact",
+            "unread_msgs",
+            "last_message",
+            "is_waiting",
+            "is_24h_valid",
+            "last_interaction",
+            "can_edit_custom_fields",
+            "custom_fields",
+            "urn",
+            "transfer_history",
+            "protocol",
+            "service_chat",
+        ]
+
+    def get_is_24h_valid(self, room: Room) -> bool:
+        return room.is_24h_valid
+
+    def get_is_waiting(self, room: Room):
+        return room.get_is_waiting()
+
+    def get_unread_msgs(self, room: Room):
+        return room.messages.filter(seen=False).count()
+
+    def get_last_message(self, room: Room):
+        last_message = (
+            room.messages.order_by("-created_on")
+            .exclude(user__isnull=True, contact__isnull=True)
+            .exclude(text="")
+            .first()
+        )
+        return "" if last_message is None else last_message.text
+
+    def get_can_edit_custom_fields(self, room: Room):
+        return room.queue.sector.can_edit_custom_fields
+
+
 class TransferRoomSerializer(serializers.ModelSerializer):
     user = UserSerializer(many=False, required=False, read_only=True)
     user_email = serializers.SlugRelatedField(

chats/apps/api/v1/rooms/viewsets.py

@@ -15,6 +15,7 @@
 from chats.apps.api.v1.msgs.serializers import ChatCompletionSerializer
 from chats.apps.api.v1.rooms import filters as room_filters
 from chats.apps.api.v1.rooms.serializers import (
+    ListRoomSerializer,
     RoomMessageStatusSerializer,
     RoomSerializer,
     TransferRoomSerializer,
@@ -68,6 +69,8 @@ def get_queryset(self):
     def get_serializer_class(self):
         if "update" in self.action:
             return TransferRoomSerializer
+        elif "list" in self.action:
+            return ListRoomSerializer
         return super().get_serializer_class()
 
     @action(