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/moderation/serializers.py

@@ -0,0 +1,92 @@
+from rest_framework import serializers
+from .models import (
+    ModeratorApplication,
+    ModeratorPermission,
+    ModeratorSupport,
+    PermissionRestriction
+)
+
+
+class ModeratorApplicationSerializer(serializers.ModelSerializer):
+    """Serializer for ModeratorApplication model."""
+
+    status_display = serializers.CharField(source='get_status_display', read_only=True)
+    rank_display = serializers.CharField(source='get_rank_display', read_only=True)
+    applicant_username = serializers.CharField(source='applicant.username', read_only=True)
+    region_name = serializers.CharField(source='region.name', read_only=True)
+    region_path = serializers.SerializerMethodField()
+    is_expired = serializers.BooleanField(read_only=True)
+
+    class Meta:
+        model = ModeratorApplication
+        fields = ('id', 'applicant', 'applicant_username', 'region', 'region_name', 'region_path',
+                  'support_count', 'deadline', 'status', 'status_display', 'rank',
+                  'is_expired', 'reviewed_by', 'reviewed_at', 'created_at')
+        read_only_fields = ('id', 'created_at', 'reviewed_by', 'reviewed_at')
+
+    def get_region_path(self, obj):
+        return obj.region.get_full_path()
+
+
+class ModeratorApplicationCreateSerializer(serializers.ModelSerializer):
+    """Serializer for creating moderator applications."""
+
+    class Meta:
+        model = ModeratorApplication
+        fields = ('region', 'rank', 'deadline')
+
+    def create(self, validated_data):
+        validated_data['applicant'] = self.context['request'].user
+        return super().create(validated_data)
+
+
+class ModeratorPermissionSerializer(serializers.ModelSerializer):
+    """Serializer for ModeratorPermission model."""
+
+    status_display = serializers.CharField(source='get_status_display', read_only=True)
+    rank_display = serializers.CharField(source='get_rank_display', read_only=True)
+    moderator_username = serializers.CharField(source='moderator.username', read_only=True)
+    region_name = serializers.CharField(source='region.name', read_only=True)
+    is_active = serializers.BooleanField(read_only=True)
+
+    class Meta:
+        model = ModeratorPermission
+        fields = ('id', 'moderator', 'moderator_username', 'region', 'region_name',
+                  'rank', 'rank_display', 'status', 'status_display', 'is_active',
+                  'restricted_until', 'created_at')
+        read_only_fields = ('id', 'created_at')
+
+
+class ModeratorSupportSerializer(serializers.ModelSerializer):
+    """Serializer for ModeratorSupport model."""
+
+    supporter_username = serializers.CharField(source='supporter.username', read_only=True)
+    application_region_name = serializers.CharField(source='application.region.name', read_only=True)
+
+    class Meta:
+        model = ModeratorSupport
+        fields = ('id', 'supporter', 'supporter_username', 'application',
+                  'application_region_name', 'created_at')
+        read_only_fields = ('id', 'created_at')
+
+    def create(self, validated_data):
+        validated_data['supporter'] = self.context['request'].user
+        # Increment support count
+        application = validated_data['application']
+        application.support_count += 1
+        application.save()
+        return super().create(validated_data)
+
+
+class PermissionRestrictionSerializer(serializers.ModelSerializer):
+    """Serializer for PermissionRestriction model."""
+
+    restriction_type_display = serializers.CharField(source='get_restriction_type_display', read_only=True)
+    operator_username = serializers.CharField(source='operator.username', read_only=True)
+    target_moderator_username = serializers.CharField(source='target_moderator.username', read_only=True)
+
+    class Meta:
+        model = PermissionRestriction
+        fields = ('id', 'operator', 'operator_username', 'target_moderator', 'target_moderator_username',
+                  'restriction_type', 'restriction_type_display', 'start_time', 'end_time', 'created_at')
+        read_only_fields = ('id', 'created_at')