new

backend/community/serializers.py

@@ -41,7 +41,7 @@ class TopicSerializer(serializers.ModelSerializer):
     class Meta:
         model = Topic
         fields = [
-            'id', 'title', 'content', 'author', 'author_info', 
+            'id', 'title', 'category', 'content', 'author', 'author_info', 
             'related_product', 'product_info', 
             'related_service', 'service_info',
             'related_course', 'course_info',

backend/community/views.py

@@ -1,4 +1,5 @@
-from rest_framework import viewsets, status, mixins, parsers
+from rest_framework import viewsets, status, mixins, parsers, filters
+from django_filters.rest_framework import DjangoFilterBackend
 from rest_framework.decorators import action
 from rest_framework.response import Response
 from rest_framework import serializers
@@ -68,6 +69,11 @@ class TopicViewSet(viewsets.ModelViewSet):
     """
     queryset = Topic.objects.all()
     serializer_class = TopicSerializer
+    filter_backends = [filters.SearchFilter, filters.OrderingFilter, DjangoFilterBackend]
+    search_fields = ['title', 'content']
+    filterset_fields = ['category', 'is_pinned']
+    ordering_fields = ['created_at', 'view_count']
+    ordering = ['-is_pinned', '-created_at']
 
     def perform_create(self, serializer):
         user = get_current_wechat_user(self.request)

backend/populate_db.py

@@ -7,9 +7,14 @@ django.setup()
 from shop.models import ESP32Config
 
 def populate():
+    # 检查数据库是否已有数据，如果有则跳过，避免每次构建都重置
+    if ESP32Config.objects.exists():
+        print("ESP32Config data already exists, skipping population.")
+        return
+
     # 清除旧数据，避免重复累积
     # 注意：在生产环境中慎用 delete
-    ESP32Config.objects.all().delete()
+    # ESP32Config.objects.all().delete()
     
     configs = [
         {