chore: restructured project

services/backend/api/v1/clients/views.py

@@ -0,0 +1,63 @@
+from collections import defaultdict
+from http import HTTPStatus as status
+from uuid import UUID
+
+from django.db import transaction
+from django.http import HttpRequest
+from django.shortcuts import get_object_or_404
+from ninja import Router
+
+from api.v1 import schemas as global_schemas
+from api.v1.clients import schemas
+from apps.client.models import Client
+
+router = Router(tags=["clients"])
+
+
+@router.post(
+    "/bulk",
+    response={
+        status.CREATED: list[schemas.Client],
+        status.BAD_REQUEST: global_schemas.BadRequestError,
+    },
+)
+def bulk_create_or_update(
+    request: HttpRequest, data: list[schemas.Client]
+) -> tuple[status, list[Client]]:
+    latest_clients = defaultdict(lambda: None)
+
+    for item in reversed(data):
+        Client(id=item.client_id, **item.dict(exclude={"client_id"})).validate(
+            validate_unique=False,
+            validate_constraints=False,
+        )
+        if latest_clients[item.client_id] is None:
+            latest_clients[item.client_id] = item
+
+    unique_clients = reversed(list(latest_clients.values()))
+
+    result = []
+
+    with transaction.atomic():
+        for client in unique_clients:
+            client_instance, _ = Client.objects.update_or_create(
+                id=client.client_id,
+                defaults={**dict(client)},
+            )
+            result.append(client_instance)
+
+    return status.CREATED, result
+
+
+@router.get(
+    "/{client_id}",
+    response={
+        status.OK: schemas.Client,
+        status.BAD_REQUEST: global_schemas.BadRequestError,
+        status.NOT_FOUND: global_schemas.NotFoundError,
+    },
+)
+def get_client(
+    request: HttpRequest, client_id: UUID
+) -> tuple[status, schemas.Client]:
+    return status.OK, get_object_or_404(Client, id=client_id)