删除无用代码并且新增流程图相关内容

flowchart/serializers.py

@@ -0,0 +1,60 @@
+from rest_framework import serializers
+from .models import FlowchartSubmission
+
+
+class CreateFlowchartSubmissionSerializer(serializers.Serializer):
+    problem_id = serializers.IntegerField()
+    mermaid_code = serializers.CharField()
+    flowchart_data = serializers.JSONField(required=False, default=dict)
+
+    def validate_mermaid_code(self, value):
+        if not value.strip():
+            raise serializers.ValidationError("Mermaid代码不能为空")
+        return value
+
+
+class FlowchartSubmissionSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = FlowchartSubmission
+        fields = [
+            "id",
+            "user",
+            "problem",
+            "mermaid_code",
+            "flowchart_data",
+            "status",
+            "create_time",
+            "ai_score",
+            "ai_grade",
+            "ai_feedback",
+            "ai_suggestions",
+            "ai_criteria_details",
+            "ai_provider",
+            "ai_model",
+            "processing_time",
+            "evaluation_time",
+        ]
+        read_only_fields = ["id", "create_time", "evaluation_time"]
+
+
+class FlowchartSubmissionListSerializer(serializers.ModelSerializer):
+    """用于列表显示的简化序列化器"""
+
+    username = serializers.CharField(source="user.username")
+    problem_title = serializers.CharField(source="problem.title")
+
+    class Meta:
+        model = FlowchartSubmission
+        fields = [
+            "id",
+            "username",
+            "problem_title",
+            "status",
+            "create_time",
+            "ai_score",
+            "ai_grade",
+            "ai_provider",
+            "ai_model",
+            "processing_time",
+            "evaluation_time",
+        ]