def create_blog(
title: str, text: str, status: str, source: str, img: str, author_id: int
) -> tuple:
"""创建文章。
Parameters
----------
title : str
标题
text : str
正文
status : str
文章状态，草稿、私密、公开等，由1个字母表示
source : str
转载源
img : str
封面图片地址
author_id : int
作者的账号
Returns
-------
tuple
文章、正文、文章信息 构成的三元组。
"""
blog = Blog(
title=title,
source=source is not None, # 布尔字段标明博客是否为转载而不用去查另一个表中的转载源
abstract=text[:255], # 摘要取前255个字
check='u', # 新提交的博客全是未审核的
author_id=author_id,
img=img,
status=status,
)
blog.save()
blog_text = BlogText(
id=blog.id,
text=text,
source=source
)
blog_info = BlogInfo(
id=blog.id
)
blog_text.save()
blog_info.save()
return blog, blog_text, blog_info
def blog_delete(request, blog):
blog_obj = Blog.get_by_key_name(blog)
# item not found
if blog_obj is None:
raise request.PAGE_NOT_FOUND
# delete blog
blog_obj.delete()
return request.redirect("go back")
def get_recent_blogs(self, context):
'''Get list of latest blog posts'''
collection = Blog.all().filter("active", True).order("-created").fetch(10)
if hasattr(self, "varname"):
context[self.varname] = collection
return ""
return render_to_string("blogs/block/blogs_list",
{"blogs": collection},
context_instance = context)
def blog_edit(request, blog):
blog_obj = Blog.get_by_key_name(blog)
# item not found
if blog_obj is None:
raise request.PAGE_NOT_FOUND
if request.POST:
# filled form
form = BlogEditForm(data=request.POST, instance=blog_obj)
if form.is_valid():
form.save()
return request.redirect("go back")
else:
# empty form with initial data
form = BlogEditForm(instance=blog_obj)
# render page
return request.render('blog/blog_edit', form = form)
def blogs_list(request):
blogs = Blog.all().order('-created')
# show not published blogs
if request.GET.get("show") == "unpublished" and request.user:
# show all blogs
blogs.filter('active', False)
# show only user blogs
if not request.user.is_admin:
blogs.filter('author', request.user)
# show only active blogs
else:
blogs.filter('active', True)
# render page
return request.render(
'blog/blogs_list',
blogs = Pagination(request, blogs, 20, "blogs_page"),
)
def entities_list(request, blog=None, tags=None):
blog_obj = blog and Blog.get_by_key_name(blog)
entities = Entity.all().order('-changed')
if blog_obj:
entities.filter('blog', blog_obj)
if tags:
entities.filter('tags IN', tags.strip().split(','))
# show not published entities
if request.GET.get("show") == "unpublished" and request.user:
# show all entities
entities.filter('active', False)
# show only user entities
if not request.user.is_admin:
entities.filter('author', request.user)
# show only active blogs
else:
entities.filter('active', True)
# render page
return request.render(
'blog/entities_list',
blog = blog_obj,
entities = Pagination(request, entities, 20, "entities_page"),
)