删除无用代码并且新增流程图相关内容

flowchart/views/__init__.py

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+# Views package

flowchart/views/oj.py

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+from utils.api import APIView
+from account.decorators import login_required
+from flowchart.models import FlowchartSubmission, FlowchartSubmissionStatus
+from flowchart.serializers import (
+    CreateFlowchartSubmissionSerializer,
+    FlowchartSubmissionSerializer,
+    FlowchartSubmissionListSerializer
+)
+from flowchart.tasks import evaluate_flowchart_task
+
+class FlowchartSubmissionAPI(APIView):
+    @login_required
+    def post(self, request):
+        """创建流程图提交"""
+        serializer = CreateFlowchartSubmissionSerializer(data=request.data)
+        if not serializer.is_valid():
+            return self.error(serializer.errors)
+        
+        data = serializer.validated_data
+        
+        # 验证题目存在
+        try:
+            from problem.models import Problem
+            problem = Problem.objects.get(_id=data['problem_id'])
+        except Problem.DoesNotExist:
+            return self.error("Problem doesn't exist")
+        
+        # 验证题目是否允许流程图提交
+        if not problem.allow_flowchart:
+            return self.error("This problem does not allow flowchart submission")
+        
+        # 创建提交记录
+        submission = FlowchartSubmission.objects.create(
+            user=request.user,
+            problem=problem,
+            mermaid_code=data['mermaid_code'],
+            flowchart_data=data.get('flowchart_data', {})
+        )
+        
+        # 启动AI评分任务
+        evaluate_flowchart_task.send(submission.id)
+        
+        return self.success({
+            'submission_id': submission.id,
+            'status': 'pending'
+        })
+    
+    @login_required
+    def get(self, request):
+        """获取流程图提交详情"""
+        submission_id = request.GET.get('id')
+        if not submission_id:
+            return self.error("submission_id is required")
+        
+        try:
+            submission = FlowchartSubmission.objects.get(id=submission_id)
+        except FlowchartSubmission.DoesNotExist:
+            return self.error("Submission doesn't exist")
+        
+        if not submission.check_user_permission(request.user):
+            return self.error("No permission for this submission")
+        
+        serializer = FlowchartSubmissionSerializer(submission)
+        return self.success(serializer.data)
+
+class FlowchartSubmissionListAPI(APIView):
+    @login_required
+    def get(self, request):
+        """获取流程图提交列表"""
+        user_id = request.GET.get('user_id')
+        problem_id = request.GET.get('problem_id')
+        offset = int(request.GET.get('offset', 0))
+        limit = int(request.GET.get('limit', 20))
+        
+        queryset = FlowchartSubmission.objects.select_related('user', 'problem')
+        
+        # 权限过滤
+        if not request.user.is_admin_role():
+            queryset = queryset.filter(user=request.user)
+        
+        # 其他过滤条件
+        if user_id:
+            queryset = queryset.filter(user_id=user_id)
+        if problem_id:
+            queryset = queryset.filter(problem_id=problem_id)
+        
+        total = queryset.count()
+        submissions = queryset[offset:offset + limit]
+        
+        serializer = FlowchartSubmissionListSerializer(submissions, many=True)
+        
+        return self.success({
+            'results': serializer.data,
+            'total': total
+        })
+
+
+class FlowchartSubmissionRetryAPI(APIView):
+    @login_required
+    def post(self, request):
+        """重新触发AI评分"""
+        submission_id = request.data.get('submission_id')
+        if not submission_id:
+            return self.error("submission_id is required")
+        
+        try:
+            submission = FlowchartSubmission.objects.get(id=submission_id)
+        except FlowchartSubmission.DoesNotExist:
+            return self.error("Submission doesn't exist")
+        
+        # 检查权限
+        if not submission.check_user_permission(request.user):
+            return self.error("No permission for this submission")
+        
+        # 检查是否可以重新评分
+        if submission.status not in [FlowchartSubmissionStatus.FAILED, FlowchartSubmissionStatus.COMPLETED]:
+            return self.error("Submission is not in a state that allows retry")
+        
+        # 重置状态并重新启动AI评分
+        submission.status = FlowchartSubmissionStatus.PENDING
+        submission.ai_score = None
+        submission.ai_grade = None
+        submission.ai_feedback = None
+        submission.ai_suggestions = None
+        submission.ai_criteria_details = {}
+        submission.processing_time = None
+        submission.evaluation_time = None
+        submission.save()
+        
+        # 重新启动AI评分任务
+        evaluate_flowchart_task.send(submission.id)
+        
+        return self.success({
+            'submission_id': submission.id,
+            'status': 'pending',
+            'message': 'AI evaluation restarted'
+        })
+