posts/views.py - master - gojuon/api_alex_math

posts/views.py
95 строк5 KB
Alexei Petrash
Сделан API для настроек блога
16 ноя 2025, 19:03
16 ноя 2025, 19:03128ee34
from django.http import JsonResponse
from django.shortcuts import get_object_or_404
from django.views.generic import ListView, DetailView
from django.db.models import F
from .models import Tag, Category, Post

def post_category_list_json(request, category, start=0, records=5):
    if request.method == 'OPTIONS':
        response = JsonResponse('', status=200, safe=False)
        response['Access-Control-Allow-Origin'] = '*'
        response['Access-Control-Allow-Headers'] = 'X-API-KEY, Origin, X-Requested-With, Content-Type, Accept, Access-Control-Request-Method, Access-Control-Request-Headers, Authorization'
    elif request.method == 'GET':
        qs = Post.objects.filter(category_post__slug=category).order_by('-created_at')
        total = len(qs)
        records = 5 if records not in (5, 10, 15) else records
        res = []
        for q in qs[start:start + records]:
            res.append( {'title': q.title, 'slug': q.slug, 'intro': q.short_description, 'hits': q.hits, 'created_at': q.created_at,
                   'category':  {'name': q.category_post.category_name, 'slug': q.category_post.slug},'tags': list(q.tags.all().annotate(name=F('tag_name')).values('name', 'slug'))})

        response = JsonResponse({"total": total, 'data': res}, status=201)
        response['Access-Control-Allow-Origin'] = '*'
        response['Access-Control-Allow-Methods'] = 'GET, OPTIONS'
        response['Access-Control-Allow-Headers'] = 'Origin, X-Requested-With, Content-Type, Accept'

    return response

def post_tag_list_json(request, slug, start=0, records=5):
    if request.method == 'OPTIONS':
        response = JsonResponse('', status=200, safe=False)
        response['Access-Control-Allow-Origin'] = '*'
        response['Access-Control-Allow-Headers'] = 'X-API-KEY, Origin, X-Requested-With, Content-Type, Accept, Access-Control-Request-Method, Access-Control-Request-Headers, Authorization'
    elif request.method == 'GET':
        qs = Post.objects.filter(tags__slug=slug).order_by('-created_at')    #.values('title', 'slug', 'intro', 'hits', 'created_at')
        total = len(qs)
        records = 5 if records not in (5, 10, 15) else records
        res = []
        for q in qs[start:start + records]:
            res.append( {'title': q.title, 'slug': q.slug, 'intro': q.short_description, 'hits': q.hits, 'created_at': q.created_at,
                   'tags': list(q.tags.all().annotate(name=F('tag_name')).values('name', 'slug')),
                         'category': {'name': q.category_post.category_name, 'slug': q.category_post.slug}})

        response = JsonResponse({"total": total, 'data': res}, status=201)
        response['Access-Control-Allow-Origin'] = '*'
        response['Access-Control-Allow-Methods'] = 'GET, OPTIONS'
        response['Access-Control-Allow-Headers'] = 'Origin, X-Requested-With, Content-Type, Accept'

    return response

def post_json(request, category, slug):
    if request.method == 'OPTIONS':
        response = JsonResponse('', status=200, safe=False)
        response['Access-Control-Allow-Origin'] = '*'
        response['Access-Control-Allow-Headers'] = 'X-API-KEY, Origin, X-Requested-With, Content-Type, Accept, Access-Control-Request-Method, Access-Control-Request-Headers, Authorization'
    elif request.method == 'GET':
        qs = Post.objects.filter(slug=slug).first()
        res = {}
        if qs:
            res = {'title': qs.title, 'slug': qs.slug, 'intro': qs.short_description, 'fulltext': qs.full_text, 'hits': qs.hits, 'created_at': qs.created_at,
                   'tags': list(qs.tags.all().annotate(name=F('tag_name')).values('name', 'slug')), 'category': {'name': qs.category_post.category_name, 'slug': qs.category_post.slug}}

        response = JsonResponse({ 'data': res}, status=201)
        response['Access-Control-Allow-Origin'] = '*'
        response['Access-Control-Allow-Methods'] = 'GET, OPTIONS'
        response['Access-Control-Allow-Headers'] = 'Origin, X-Requested-With, Content-Type, Accept'

    return response


class CategoryListView(ListView):
    context_object_name = 'posts'
    paginate_by = 5

    def get_queryset(self):
        self.category = get_object_or_404(Category, slug=self.kwargs['category'])
        return Post.objects.filter(category_post=self.category)

    def get_context_data(self, **kwargs):
        context = super(CategoryListView, self).get_context_data(**kwargs)
        context['category'] = self.category
        return context


class PostDetailView(DetailView):
    model = Post

    def get_context_data(self, **kwargs):
        post = self.get_object()
        Post.objects.filter(slug=post.slug).update(hits = F('hits') + 1)
        context = super().get_context_data(**kwargs)
        return context


class TagDetailView(DetailView):
    model = Tag