比赛

backend/competition/serializers.py

@@ -0,0 +1,72 @@
+from rest_framework import serializers
+from .models import Competition, CompetitionEnrollment, ScoreDimension, Project, ProjectFile, Score, Comment
+from shop.serializers import WeChatUserSerializer
+
+class ScoreDimensionSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = ScoreDimension
+        fields = ['id', 'name', 'description', 'weight', 'max_score', 'order']
+
+class CompetitionSerializer(serializers.ModelSerializer):
+    score_dimensions = ScoreDimensionSerializer(many=True, read_only=True)
+    
+    class Meta:
+        model = Competition
+        fields = ['id', 'title', 'description', 'rule_description', 'condition_description', 
+                  'cover_image', 'start_time', 'end_time', 'status', 'is_active', 
+                  'score_dimensions', 'created_at']
+
+class CompetitionEnrollmentSerializer(serializers.ModelSerializer):
+    user = WeChatUserSerializer(read_only=True)
+    
+    class Meta:
+        model = CompetitionEnrollment
+        fields = ['id', 'competition', 'user', 'role', 'status', 'created_at']
+        read_only_fields = ['status']
+
+class ProjectFileSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = ProjectFile
+        fields = ['id', 'project', 'file_type', 'file', 'file_url', 'name', 'created_at']
+
+    def validate_file(self, value):
+        if not value:
+            return value
+        # 50MB limit
+        limit_mb = 50
+        if value.size > limit_mb * 1024 * 1024:
+            raise serializers.ValidationError(f"文件大小不能超过 {limit_mb}MB")
+        return value
+
+class ProjectSerializer(serializers.ModelSerializer):
+    files = ProjectFileSerializer(many=True, read_only=True)
+    contestant_info = serializers.SerializerMethodField()
+    
+    class Meta:
+        model = Project
+        fields = ['id', 'competition', 'contestant', 'title', 'description', 'team_info', 
+                  'cover_image', 'status', 'final_score', 'files', 'contestant_info', 'created_at']
+        read_only_fields = ['final_score', 'contestant']
+
+    def get_contestant_info(self, obj):
+        return {
+            "nickname": obj.contestant.user.nickname,
+            "avatar_url": obj.contestant.user.avatar_url
+        }
+
+class ScoreSerializer(serializers.ModelSerializer):
+    judge_name = serializers.CharField(source='judge.user.nickname', read_only=True)
+    dimension_name = serializers.CharField(source='dimension.name', read_only=True)
+    
+    class Meta:
+        model = Score
+        fields = ['id', 'project', 'judge', 'dimension', 'score', 'judge_name', 'dimension_name', 'created_at']
+        read_only_fields = ['judge']
+
+class CommentSerializer(serializers.ModelSerializer):
+    judge_name = serializers.CharField(source='judge.user.nickname', read_only=True)
+    
+    class Meta:
+        model = Comment
+        fields = ['id', 'project', 'judge', 'content', 'judge_name', 'created_at']
+        read_only_fields = ['judge']