refactor

backend/api/serializers/support.py

@@ -0,0 +1,40 @@
+from rest_framework import serializers
+
+from api.models import Ticket, TicketMessage
+from api.serializers._helpers import absolute_image_url
+
+
+class TicketMessageSerializer(serializers.ModelSerializer):
+    username = serializers.CharField(source="user.username", read_only=True)
+    is_admin = serializers.BooleanField(source="user.is_superuser", read_only=True)
+
+    class Meta:
+        model = TicketMessage
+        fields = ["id", "username", "text", "created_at", "is_admin"]
+
+
+class TicketSerializer(serializers.ModelSerializer):
+    username = serializers.CharField(source="user.username", read_only=True)
+    user_email = serializers.EmailField(source="user.email", read_only=True)
+    user_avatar = serializers.SerializerMethodField()
+    messages = TicketMessageSerializer(many=True, read_only=True)
+
+    class Meta:
+        model = Ticket
+        fields = [
+            "id",
+            "user",
+            "username",
+            "user_email",
+            "user_avatar",
+            "subject",
+            "description",
+            "status",
+            "created_at",
+            "updated_at",
+            "messages",
+        ]
+        read_only_fields = ["status", "user"]
+
+    def get_user_avatar(self, obj: Ticket) -> str | None:
+        return absolute_image_url(self, obj.user.avatar)