def display_news():
'''This routine displays the main news list page.'''
return display_content(
breadcrumbs=get_breadcrumbs('news'),
title='Computing News',
primaryList=create_full_news_list(News.read_units()),
primaryListHr=True,
editable=True,
editableUrl=url_for('web.display_admin_news')
)
def display_news_article(name):
'''This routine displays a single news article.'''
article = check_unit(News.read_unit(name))
return display_content(
breadcrumbs=get_breadcrumbs('news', name),
title=article.get('title'),
subtitle=article.get('date').strftime('%B %d, %Y'),
primary='<p>' + article.get('content') + '</p>',
current=get_name('news', name),
editable=True,
editableUrl=url_for('web.update_news_article', name=name)
)
def display_admin_news():
'''This routine displays the administration tools for news.
We'll eventually use CIT's news tools.
'''
return display_content(
breadcrumbs=get_breadcrumbs('admin', 'news'),
title='Administration: News Articles',
primary=create_hyperlink(url_for('web.create_news_article'),
'Create a news article'),
primaryList=create_newsarticle_list(News.read_units()),
primaryListHr=True,
editable=False
)
def display_index():
'''Configure and display the main index page, with an appropriate image,
the department short description and a list of current news articles.
'''
department = check_unit(Departments.read_unit('cs'))
return display_content(
image=Images.read_tagged_unit('departments.cs'),
title=department.get('title'),
subtitle=department.get('tagline'),
primary=department.get('shortDescription'),
sideTitle='Computing News',
sideList=create_brief_news_list(News.read_units(limit=2 + TechNews.TECH_NEWS_LIMIT)),
editable=True,
editableUrl=url_for('web.update_department', name='cs')
)
def update_news_article(name):
'''This routine does one of two things: if the user has asked to edit a
news article (GET), it displays an editing form for the given article
id, populated with the current database content; if the user has filled
and submitted the editing form (POST), it writes the (modified) form
contents into the database entry for the given article id.
'''
form = News()
if form.is_submitted():
if form.validate() and request.form.get('submit'):
News.update_unit(form)
return redirect(url_for('web.display_news_article', name=name))
else:
article = News.read_unit(name)
if article:
form.initialize(action='edit', unit=article)
return display_content(
form=form,
title='Edit: ' + name,
breadcrumbs=get_breadcrumbs('news', name, 'edit')
)
return redirect(url_for('web.display_admin_news'))
def create_news_article():
'''This routine does one of two things: if the user has asked to create a
news article (GET), it displays an empty form for the user to use to
create the new article; if the user has filled and submitted the creation
form (POST), it writes the (new) form contents into the database entry
under a new, unique id.
'''
form = News()
if form.is_submitted():
if form.validate() and request.form.get('submit'):
name = News.create_unit(form)
return redirect(url_for('web.display_news_article', name=name))
else:
return redirect(url_for('web.display_admin_news'))
else:
form.initialize(action='create')
return display_content(
form=form,
title='Create Article',
breadcrumbs=get_breadcrumbs('news', 'create')
)
def delete_news_article(name):
'''This routine deletes the given news article. This is not restful;
the system should accept only DELETE requests on /news/<name>.
'''
News.delete_unit(name)
return redirect(url_for('web.display_admin_news'))
