python
46 lines · 1 tab
Priya Sharma
Jan 2026
1 tab
from rest_framework import viewsets, status
from rest_framework.decorators import action
from rest_framework.response import Response
from blog.models import Post
from .serializers import PostSerializer
class PostViewSet(viewsets.ModelViewSet):
queryset = Post.objects.all()
serializer_class = PostSerializer
@action(detail=True, methods=['post'])
def publish(self, request, pk=None):
"""Publish a post."""
post = self.get_object()
post.status = 'published'
post.save()
return Response({'status': 'post published'})
@action(detail=True, methods=['post'])
def unpublish(self, request, pk=None):
"""Unpublish a post."""
post = self.get_object()
post.status = 'draft'
post.save()
return Response({'status': 'post unpublished'})
@action(detail=False, methods=['get'])
def recent(self, request):
"""Get recent posts."""
recent_posts = Post.objects.filter(
status='published'
).order_by('-published_at')[:10]
serializer = self.get_serializer(recent_posts, many=True)
return Response(serializer.data)
@action(detail=True, methods=['get'])
def stats(self, request, pk=None):
"""Get post statistics."""
post = self.get_object()
return Response({
'views': post.view_count,
'comments': post.comments.count(),
'likes': post.likes.count()
})
1 file · python
Explain with highlit
Custom actions extend viewsets beyond CRUD operations. I use @action decorator with detail=True/False for object-level or collection-level actions. This creates endpoints like /posts/1/publish/ or /posts/recent/. I specify HTTP methods, permissions, and serializers per action. Actions keep related logic together in one viewset. For complex operations not fitting REST patterns, actions provide flexibility. I use URL name from action for reverse(). This extends APIs naturally without new viewsets.
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