Initial commit: React + Django 城市手册项目

- Django 4.2 + DRF + JWT + GraphQL
- React 18 + MobX + styled-components
- PostgreSQL 数据库
- Docker + Docker Compose + Nginx
- 完整的功能模块（用户、版块、文章、服务、交互、版主管理）
- 完整的文档（需求、部署、测试）

backend/apps/articles/serializers.py

@@ -0,0 +1,65 @@
+from rest_framework import serializers
+from .models import Article
+
+
+class ArticleSerializer(serializers.ModelSerializer):
+    """Serializer for Article model."""
+
+    article_type_display = serializers.CharField(source='get_article_type_display', read_only=True)
+    status_display = serializers.CharField(source='get_publish_status_display', read_only=True)
+    moderator_status_display = serializers.CharField(source='get_moderator_status_display', read_only=True)
+    ai_status_display = serializers.CharField(source='get_ai_status_display', read_only=True)
+    author_username = serializers.CharField(source='author.username', read_only=True)
+    region_name = serializers.CharField(source='region.name', read_only=True)
+
+    class Meta:
+        model = Article
+        fields = ('id', 'title', 'content', 'region', 'region_name', 'article_type', 'article_type_display',
+                  'author', 'author_username', 'moderator_status', 'moderator_status_display',
+                  'moderator_reviewer', 'moderator_reviewed_at', 'moderator_rejection_reason',
+                  'ai_status', 'ai_status_display', 'ai_reviewed_at', 'ai_rejection_reason',
+                  'publish_status', 'status_display', 'published_at', 'created_at', 'updated_at')
+        read_only_fields = ('id', 'author', 'moderator_reviewer', 'moderator_reviewed_at',
+                          'ai_reviewed_at', 'published_at', 'created_at', 'updated_at')
+
+
+class ArticleCreateSerializer(serializers.ModelSerializer):
+    """Serializer for creating articles."""
+
+    class Meta:
+        model = Article
+        fields = ('title', 'content', 'region', 'article_type')
+
+    def create(self, validated_data):
+        validated_data['author'] = self.context['request'].user
+        return super().create(validated_data)
+
+
+class ArticleUpdateSerializer(serializers.ModelSerializer):
+    """Serializer for updating articles."""
+
+    class Meta:
+        model = Article
+        fields = ('title', 'content', 'article_type')
+
+
+class ArticleReviewSerializer(serializers.Serializer):
+    """Serializer for article review actions."""
+
+    action = serializers.ChoiceField(choices=['approve', 'reject'])
+    reason = serializers.CharField(required=False, allow_blank=True)
+
+
+class ArticleListSerializer(serializers.ModelSerializer):
+    """Simplified serializer for article list."""
+
+    article_type_display = serializers.CharField(source='get_article_type_display', read_only=True)
+    author_username = serializers.CharField(source='author.username', read_only=True)
+    region_name = serializers.CharField(source='region.name', read_only=True)
+
+    class Meta:
+        model = Article
+        fields = ('id', 'title', 'article_type', 'article_type_display',
+                  'author', 'author_username', 'region', 'region_name',
+                  'publish_status', 'created_at')
+        read_only_fields = ('id', 'created_at')