add part of get image

back/api/urls.py

@@ -30,6 +30,7 @@ router.register(r'api/inventory', views.InventoryItemViewSet)
 router.register(r'api/tmc/fields', tmc_views.BaseCustomFieldViewSet)
 router.register(r'api/tmc/items', tmc_views.CustomTableViewSet)
 router.register(r'api/tgbot', tgbot_views.TgItemViewSet)
+router.register(r'api/tgbot/items', tgbot_views.TmcFieldViewset)
 
 urlpatterns = [
     path('', include(router.urls)),

back/tgbot/serializers.py

@@ -9,4 +9,10 @@ logger = logging.getLogger("root")
 class TgItemSerializer(serializers.ModelSerializer):
     class Meta:
         model = TgItem
-        fields = '__all__'
+        fields = "__all__"
+        depth = 3
+
+class TmcFieldSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = TgItem
+        fields = "__all__"

back/tgbot/views.py

@@ -10,7 +10,7 @@ from rest_framework.decorators import action
 from .tgbot import TgBot
 from .apps import TgBotUpdater
 from .models import TgItem, TmcElement, TmcField
-from .serializers import TgItemSerializer
+from .serializers import TgItemSerializer, TmcFieldSerializer
 
 import logging
 
@@ -29,3 +29,17 @@ class TgItemViewSet(viewsets.ModelViewSet):
         )
         return Response({"result": "ok"})
         # return super().create(request, *args, **kwargs)
+
+
+class TmcFieldViewset(viewsets.ModelViewSet):
+    queryset = TmcField.objects.all()
+    serializer_class = TmcFieldSerializer
+    http_method_names = ["get"]
+
+    @action(detail=False, methods=["get"], url_path=r"get_image/(?P<field_id>[^/.]+)")
+    def get_image(self, request, field_id):
+        if TmcField.objects.filter(id=field_id).exists():
+            field = TmcField.objects.get(id=field_id)
+            return Response({"fileId": field.text})
+        else:
+            raise (FileNotFoundError())