feat: add generation API endpoints

apps/api/views.py

@@ -1,9 +1,20 @@
 from rest_framework.exceptions import AuthenticationFailed
 from rest_framework.permissions import IsAuthenticated
+from rest_framework.response import Response
+from rest_framework import status
 from rest_framework.views import APIView
 
 from apps.api.authentication import ApiKeyAuthentication
 from apps.api.errors import api_error
+from apps.api.generation import (
+    ApiRequestError,
+    generate_image_response,
+    generate_title_response,
+)
+from apps.api.serializers import (
+    GenerateImageRequestSerializer,
+    GenerateTitleRequestSerializer,
+)
 
 
 class ExternalApiView(APIView):
@@ -14,3 +25,42 @@ class ExternalApiView(APIView):
         if request.authenticators and not request.successful_authenticator:
             raise AuthenticationFailed(api_error("unauthorized", "缺失或无效 API Key"))
         super().permission_denied(request, message=message, code=code)
+
+
+class GenerateTitleView(ExternalApiView):
+    def post(self, request):
+        serializer = GenerateTitleRequestSerializer(data=request.data)
+        if not serializer.is_valid():
+            return Response(
+                api_error("bad_request", "参数错误"),
+                status=status.HTTP_400_BAD_REQUEST,
+            )
+        try:
+            data = generate_title_response(
+                user=request.user,
+                api_key=request.auth,
+                request_data=serializer.validated_data,
+            )
+        except ApiRequestError as exc:
+            return Response(exc.as_response_data(), status=exc.http_status)
+        return Response(data, status=status.HTTP_200_OK)
+
+
+class GenerateImageView(ExternalApiView):
+    def post(self, request):
+        serializer = GenerateImageRequestSerializer(data=request.data)
+        if not serializer.is_valid():
+            return Response(
+                api_error("bad_request", "参数错误"),
+                status=status.HTTP_400_BAD_REQUEST,
+            )
+        try:
+            data = generate_image_response(
+                user=request.user,
+                api_key=request.auth,
+                request=request,
+                request_data=serializer.validated_data,
+            )
+        except ApiRequestError as exc:
+            return Response(exc.as_response_data(), status=exc.http_status)
+        return Response(data, status=status.HTTP_200_OK)