✨ Feat: [#32] project crud 관련 로직 구현

projects/views.py

@@ -1,3 +1,141 @@
-from django.shortcuts import render
+from django.shortcuts import get_object_or_404
 
-# Create your views here.
+from rest_framework.views import APIView
+from rest_framework.response import Response
+from rest_framework import status
+
+from .models import *
+
+from django_filters.rest_framework import DjangoFilterBackend
+from rest_framework.filters import OrderingFilter
+from rest_framework.generics import ListAPIView
+from .serializers import ProjectListViewSerializer, ProjectCreateSerializer, ProjectTeamSerializer
+from .paginations import ProjectPagination
+from .filters import ProjectFilter
+from .services import ProjectStateChangeService, ProjectBeforeRelCheckService
+
+from django.db import transaction
+
+
+class ProjectListView(ListAPIView):
+    queryset = Project.objects.filter(is_published=True).order_by('-created_at')
+    serializer_class = ProjectListViewSerializer
+    pagination_class = ProjectPagination
+    filterset_class = ProjectFilter
+    filter_backends = [DjangoFilterBackend, OrderingFilter]
+    ordering_fields = ['view_count', 'like_count', 'scrap_count', 'created_at']  # 허용할 필드 추천순 제외
+    ordering = ['-created_at']  # 기본 정렬은 최신순
+
+class ProjectCreateAPIView(APIView):
+    @transaction.atomic
+    def post(self, request):
+        serializer = ProjectCreateSerializer(data=request.data, context={"request": request})
+        if serializer.is_valid():
+            serializer.save()
+            return Response({"message": "create project success"}, status=status.HTTP_200_OK)
+        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
+    
+class ProjectTeamManageAPIView(APIView):
+    # 팀원 초대
+    @transaction.atomic
+    def post(self, request, pk):
+        user = request.user
+        project = get_object_or_404(Project, id=pk)
+        if user != project.owner:
+            return Response({"message": "Not owner"}, status=status.HTTP_403_FORBIDDEN)
+        nickname = request.data.get('nickname')
+        new_member = get_object_or_404(User, nickname=nickname)
+        if ProjectTeamList.objects.filter(project=project, user=new_member).exists():
+            return Response({"message": "already team member"}, status=status.HTTP_400_BAD_REQUEST)
+        serializer = ProjectTeamSerializer(data={'user':new_member.id, 'project':project.id})
+        if serializer.is_valid():
+            serializer.save()
+            return Response({"message": "invite success"}, status=status.HTTP_200_OK)
+        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
+    
+    # 팀원 추방
+    @transaction.atomic
+    def delete(self, request, pk):
+        user = request.user
+        project = get_object_or_404(Project, id=pk)
+        if user != project.owner:
+            return Response({"message": "Not owner"}, status=status.HTTP_403_FORBIDDEN)
+        nickname = request.data.get('nickname')
+        member = get_object_or_404(User, nickname=nickname)
+        user_in_project = get_object_or_404(ProjectTeamList, project=project, user=member)
+        user_in_project.delete()
+        return Response({"message": "delete user in project success"})
+    
+class ProjectDeleteAPIView(APIView):
+    @transaction.atomic
+    def delete(self, request, pk):
+        user = request.user
+        project = get_object_or_404(Project, id=pk)
+        if user != project.owner:
+            return Response({"message": "Not owner"}, status=status.HTTP_403_FORBIDDEN)
+        project.delete()
+        return Response({"message": "delete success"}, status=status.HTTP_200_OK)
+        
+class ProjectSetRepresentAPIView(APIView):
+    @transaction.atomic
+    def patch(self, request, pk):
+        user = request.user
+        project = get_object_or_404(Project, id=pk)
+        if user != project.owner:
+            return Response({"message": "Not owner"}, status=status.HTTP_403_FORBIDDEN)
+        if before_represent := Project.objects.filter(owner=user, is_represent=True).first():
+            before_represent.is_represent = False
+        project.is_represent = True
+        return Response({"message": "change represent success"}, status=status.HTTP_200_OK)
+
+
+class ProjectSetPublishAPIView(APIView):
+    @transaction.atomic
+    def patch(self, request, pk):
+        user = request.user
+        project = get_object_or_404(Project, id=pk)
+        if user != project.owner:
+            return Response({"message": "Not owner"}, status=status.HTTP_403_FORBIDDEN)
+        project.is_published = True
+        project.save()
+        return Response({"message": "publish success"}, status=status.HTTP_200_OK)
+
+class ProjectChangeState(APIView):
+    @transaction.atomic
+    def patch(self, request, pk):
+        project = get_object_or_404(Project, pk=pk)
+        user = request.user
+        action_type = request.query_params.get('type')
+        try:
+            if ProjectBeforeRelCheckService.check_user_project_rel(action_type, project, user):
+                return Response({"message": "already done"}, status=status.HTTP_400_BAD_REQUEST)
+        except ValueError as e:
+            return Response({'message': str(e)}, status=status.HTTP_400_BAD_REQUEST)
+        return self._handle_action(action_type, project, user, add=True)
+
+    @transaction.atomic
+    def delete(self, request, pk):
+        project = get_object_or_404(Project, pk=pk)
+        user = request.user
+        action_type = request.query_params.get('type')
+        try:
+            if not ProjectBeforeRelCheckService.check_user_project_rel(action_type, project, user):
+                return Response({"message": "never done before"}, status=status.HTTP_400_BAD_REQUEST)
+        except ValueError as e:
+            return Response({'message': str(e)}, status=status.HTTP_400_BAD_REQUEST)
+        return self._handle_action(action_type, project, user, add=False)
+
+    def _handle_action(self, action_type, project, user, add=True):
+        if not action_type:
+            return Response({'message': 'Missing action type'}, status=status.HTTP_400_BAD_REQUEST)
+
+        try:
+            ProjectStateChangeService.change_user_project_rel(action_type, project, user, add)
+            ProjectStateChangeService.change_count_project_state(action_type, project, add)
+        except ValueError as e:
+            return Response({'message': str(e)}, status=status.HTTP_400_BAD_REQUEST)
+
+        return Response({
+            'message': f'{action_type} {"added" if add else "removed"}'
+        }, status=status.HTTP_200_OK)
+