Source code for mezzanine.blog.views
from __future__ import unicode_literals
from future.builtins import str, int
from calendar import month_name
from django.contrib.auth import get_user_model
from django.http import Http404
from django.shortcuts import get_object_or_404
from django.template.response import TemplateResponse
from django.utils.translation import ugettext_lazy as _
from mezzanine.blog.models import BlogPost, BlogCategory
from mezzanine.blog.feeds import PostsRSS, PostsAtom
from mezzanine.conf import settings
from mezzanine.generic.models import Keyword
from mezzanine.utils.views import paginate
User = get_user_model()
[docs]def blog_post_list(request, tag=None, year=None, month=None, username=None,
category=None, template="blog/blog_post_list.html",
extra_context=None):
"""
Display a list of blog posts that are filtered by tag, year, month,
author or category. Custom templates are checked for using the name
``blog/blog_post_list_XXX.html`` where ``XXX`` is either the
category slug or author's username if given.
"""
templates = []
blog_posts = BlogPost.objects.published(for_user=request.user)
if tag is not None:
tag = get_object_or_404(Keyword, slug=tag)
blog_posts = blog_posts.filter(keywords__keyword=tag)
if year is not None:
blog_posts = blog_posts.filter(publish_date__year=year)
if month is not None:
blog_posts = blog_posts.filter(publish_date__month=month)
try:
month = _(month_name[int(month)])
except IndexError:
raise Http404()
if category is not None:
category = get_object_or_404(BlogCategory, slug=category)
blog_posts = blog_posts.filter(categories=category)
templates.append(u"blog/blog_post_list_%s.html" %
str(category.slug))
author = None
if username is not None:
author = get_object_or_404(User, username=username)
blog_posts = blog_posts.filter(user=author)
templates.append(u"blog/blog_post_list_%s.html" % username)
prefetch = ("categories", "keywords__keyword")
blog_posts = blog_posts.select_related("user").prefetch_related(*prefetch)
blog_posts = paginate(blog_posts, request.GET.get("page", 1),
settings.BLOG_POST_PER_PAGE,
settings.MAX_PAGING_LINKS)
context = {"blog_posts": blog_posts, "year": year, "month": month,
"tag": tag, "category": category, "author": author}
context.update(extra_context or {})
templates.append(template)
return TemplateResponse(request, templates, context)
[docs]def blog_post_detail(request, slug, year=None, month=None, day=None,
template="blog/blog_post_detail.html",
extra_context=None):
""". Custom templates are checked for using the name
``blog/blog_post_detail_XXX.html`` where ``XXX`` is the blog
posts's slug.
"""
blog_posts = BlogPost.objects.published(
for_user=request.user).select_related()
blog_post = get_object_or_404(blog_posts, slug=slug)
related_posts = blog_post.related_posts.published(for_user=request.user)
context = {"blog_post": blog_post, "editable_obj": blog_post,
"related_posts": related_posts}
context.update(extra_context or {})
templates = [u"blog/blog_post_detail_%s.html" % str(slug), template]
return TemplateResponse(request, templates, context)
[docs]def blog_post_feed(request, format, **kwargs):
"""
Blog posts feeds - maps format to the correct feed view.
"""
try:
return {"rss": PostsRSS, "atom": PostsAtom}[format](**kwargs)(request)
except KeyError:
raise Http404()