Step3: 用类视图实现首页 API

Author: zmrenwu

README.md

@@ -190,7 +190,8 @@ $ git clone https://github.com/HelloGitHub-Team/HelloDjango-REST-framework-tutor
 1. [开篇](https://www.zmrenwu.com/courses/django-rest-framework-tutorial/)
 2. [django-rest-framework 是什么鬼？](https://www.zmrenwu.com/courses/django-rest-framework-tutorial/materials/91/)
 3. [初始化 RESTful API 风格的博客系统](https://www.zmrenwu.com/courses/django-rest-framework-tutorial/materials/92/)
-4. [实现博客首页文章列表 API](https://www.zmrenwu.com/courses/django-rest-framework-tutorial/materials/92/)
+4. [实现博客首页文章列表 API](https://www.zmrenwu.com/courses/django-rest-framework-tutorial/materials/93/)
+5. [用类视图实现首页 API](https://www.zmrenwu.com/courses/django-rest-framework-tutorial/materials/94/)
 
 ## 公众号
 <p align="center">

blog/urls.py

@@ -11,5 +11,5 @@
     ),
     path("categories/<int:pk>/", views.CategoryView.as_view(), name="category"),
     path("tags/<int:pk>/", views.TagView.as_view(), name="tag"),
-    path("api/index/", views.index),
+    path("api/index/", views.IndexPostListAPIView.as_view()),
 ]

blog/views.py

@@ -4,6 +4,9 @@
 from django.views.generic import DetailView, ListView
 from rest_framework import status
 from rest_framework.decorators import api_view
+from rest_framework.generics import ListAPIView
+from rest_framework.pagination import PageNumberPagination
+from rest_framework.permissions import AllowAny
 from rest_framework.response import Response
 
 from pure_pagination.mixins import PaginationMixin
@@ -64,8 +67,8 @@ def get(self, request, *args, **kwargs):
         return response
 
 
-@api_view(http_method_names=["GET"])
-def index(request):
-    post_list = Post.objects.all().order_by("-created_time")
-    serializer = PostListSerializer(post_list, many=True)
-    return Response(serializer.data, status=status.HTTP_200_OK)
+class IndexPostListAPIView(ListAPIView):
+    serializer_class = PostListSerializer
+    queryset = Post.objects.all()
+    pagination_class = PageNumberPagination
+    permission_classes = [AllowAny]

blogproject/settings/common.py

@@ -131,3 +131,9 @@
 HAYSTACK_CUSTOM_HIGHLIGHTER = "blog.utils.Highlighter"
 # HAYSTACK_DEFAULT_OPERATOR = 'AND'
 # HAYSTACK_FUZZY_MIN_SIM = 0.1
+
+# django-rest-framework
+# ------------------------------------------------------------------------------
+REST_FRAMEWORK = {
+    "PAGE_SIZE": 10,
+}