django-rest-framework学习之Relationships & Hyperlinked APIs--2017年4月17日至18日

from rest_framework.decorators import api_view
from rest_framework.response import Response
#reverse函数返回完全合格的URLs
from rest_framework.reverse import reverse
 
@api_view([‘GET‘])
def api_root(request,format=None):
    return Response({
        ‘users‘:reverse(‘user-list‘,request=request,format=format),
        ‘myLesson‘:reverse(‘myLesson-list‘,request=request,format=format)
    })

from rest_framework import renderers
 
class MyLessonHighlight(generics.GenericAPIView):
    queryset = MyLesson.objects.all()
    serializer_class = MyLessonSerializer
    renderer_classes = (renderers.StaticHTMLRenderer,)
    def get(self,request,*args,**kwargs):
        myLesson = self.get_object()
        return Response(myLesson.highlighted)

url(r‘^$‘, views.api_root),
url(r‘^myLesson/(?P<pk>[0-9]+)/highlight/$‘, views.MyLessonHighlight.as_view()),

from rest_framework import serializers
from myLesson.models import MyLesson
from django.contrib.auth.models import User
 
class MyLessonSerializer(serializers.HyperlinkedModelSerializer):
    owner = serializers.ReadOnlyField(source=‘owner.username‘)
    url = serializers.HyperlinkedIdentityField(view_name="myLesson-detail")
    highlight = serializers.HyperlinkedIdentityField(view_name=‘myLesson-highlight‘,format=‘html‘)
    class Meta:
        model = MyLesson
        fields = (‘url‘,‘id‘,‘highlight‘,‘owner‘,‘title‘,‘code‘,‘linenos‘,‘language‘,‘style‘)
 
 
class UserSerializer(serializers.HyperlinkedModelSerializer):
#    myLesson = serializers.PrimaryKeyRelatedField(many=True,queryset=MyLesson.objects.all())
    myLesson = serializers.HyperlinkedRelatedField(many=True,view_name=‘myLesson-detail‘,read_only=True)
    class Meta:        model = User
        fields = (‘url‘,‘id‘,‘username‘,‘myLesson‘)

from django.conf.urls import url,include
from myLesson import views
from rest_framework.urlpatterns import format_suffix_patterns
 
urlpatterns = [
    url(r‘^$‘,views.api_root),
    url(r‘^users/$‘,views.UserList.as_view(),name=‘user-list‘),
    url(r‘^users/(?P<pk>[0-9]+)/$‘,views.UserDetail.as_view(),name=‘user-detail‘),
    url(r‘^myLesson/$‘,views.MyLessonList.as_view(),name=‘myLesson-list‘),
    url(r‘^myLesson/(?P<pk>[0-9]+)/$‘,views.MyLessonDetail.as_view(),name=‘myLesson-detail‘),    url(r‘^myLesson/(?P<pk>[0-9]+)/highlight/$‘,views.MyLessonHighlight.as_view(),name=‘myLesson-highlight‘),]
 
urlpatterns = format_suffix_patterns(urlpatterns)

# myTest/settings.py
    REST_FRAMEWORK = {
        ‘PAGINATE_BY‘: 10
    }