feat: ADRF async views (phase1) + native async serializers (phase2) + async cache infra

apidirectory/serializers.py

@@ -1,23 +1,23 @@
-from rest_framework import serializers
+from adrf.serializers import ModelSerializer, CharField, SerializerMethodField
 from .models import ApiCategory, ApiItem, ApiFavorite
 
 
-class ApiCategorySerializer(serializers.ModelSerializer):
-    item_count = serializers.SerializerMethodField()
+class ApiCategorySerializer(ModelSerializer):
+    item_count = SerializerMethodField()
 
     class Meta:
         model = ApiCategory
         fields = ['id', 'name', 'icon', 'sort_order', 'item_count', 'created_at']
         read_only_fields = ['id', 'created_at']
 
-    def get_item_count(self, obj):
-        return obj.items.filter(is_enabled=True).count()
+    async def get_item_count(self, obj):
+        return await obj.items.filter(is_enabled=True).acount()
 
 
-class ApiItemSerializer(serializers.ModelSerializer):
-    category_name = serializers.CharField(source='category.name', read_only=True, default='')
-    favorites_count = serializers.SerializerMethodField()
-    is_favorited = serializers.SerializerMethodField()
+class ApiItemSerializer(ModelSerializer):
+    category_name = CharField(source='category.name', read_only=True, default='')
+    favorites_count = SerializerMethodField()
+    is_favorited = SerializerMethodField()
 
     class Meta:
         model = ApiItem
@@ -29,19 +29,19 @@ class ApiItemSerializer(serializers.ModelSerializer):
         ]
         read_only_fields = ['id', 'created_at', 'updated_at']
 
-    def get_favorites_count(self, obj):
-        return obj.favorites.count()
+    async def get_favorites_count(self, obj):
+        return await obj.favorites.acount()
 
-    def get_is_favorited(self, obj):
+    async def get_is_favorited(self, obj):
         request = self.context.get('request')
         if request and request.user.is_authenticated:
-            return obj.favorites.filter(user=request.user).exists()
+            return await obj.favorites.filter(user=request.user).aexists()
         return False
 
 
-class ApiFavoriteSerializer(serializers.ModelSerializer):
-    api_item_name = serializers.CharField(source='api_item.name', read_only=True)
-    api_item_url = serializers.CharField(source='api_item.url_path', read_only=True)
+class ApiFavoriteSerializer(ModelSerializer):
+    api_item_name = CharField(source='api_item.name', read_only=True)
+    api_item_url = CharField(source='api_item.url_path', read_only=True)
 
     class Meta:
         model = ApiFavorite