6761a87bfb
- Updated styling on date in the top left corner - Added horizontal line between updates - Removed ability to toggle updates on and off - Cleaned up code to always show all updates:
97 lines
3.6 KiB
Python
97 lines
3.6 KiB
Python
"""
|
|
Views that handle course updates.
|
|
"""
|
|
from datetime import datetime
|
|
|
|
from django.contrib.auth.decorators import login_required
|
|
from django.core.context_processors import csrf
|
|
from django.core.urlresolvers import reverse
|
|
from django.template.loader import render_to_string
|
|
from django.utils.decorators import method_decorator
|
|
from django.views.decorators.cache import cache_control
|
|
from opaque_keys.edx.keys import CourseKey
|
|
from web_fragments.fragment import Fragment
|
|
|
|
from courseware.courses import get_course_info_section_module, get_course_with_access
|
|
from lms.djangoapps.courseware.views.views import CourseTabView
|
|
from openedx.core.djangoapps.plugin_api.views import EdxFragmentView
|
|
from openedx.features.course_experience import default_course_url_name
|
|
|
|
|
|
class CourseUpdatesView(CourseTabView):
|
|
"""
|
|
The course updates page.
|
|
"""
|
|
|
|
@method_decorator(login_required)
|
|
@method_decorator(cache_control(no_cache=True, no_store=True, must_revalidate=True))
|
|
def get(self, request, course_id, **kwargs):
|
|
"""
|
|
Displays the home page for the specified course.
|
|
"""
|
|
return super(CourseUpdatesView, self).get(request, course_id, 'courseware', **kwargs)
|
|
|
|
def render_to_fragment(self, request, course=None, tab=None, **kwargs):
|
|
course_id = unicode(course.id)
|
|
updates_fragment_view = CourseUpdatesFragmentView()
|
|
return updates_fragment_view.render_to_fragment(request, course_id=course_id, **kwargs)
|
|
|
|
|
|
class CourseUpdatesFragmentView(EdxFragmentView):
|
|
"""
|
|
A fragment to render the home page for a course.
|
|
"""
|
|
STATUS_VISIBLE = 'visible'
|
|
STATUS_DELETED = 'deleted'
|
|
|
|
def render_to_fragment(self, request, course_id=None, **kwargs):
|
|
"""
|
|
Renders the course's home page as a fragment.
|
|
"""
|
|
course_key = CourseKey.from_string(course_id)
|
|
course = get_course_with_access(request.user, 'load', course_key, check_if_enrolled=True)
|
|
course_url_name = default_course_url_name(request)
|
|
course_url = reverse(course_url_name, kwargs={'course_id': unicode(course.id)})
|
|
|
|
# Fetch all of the updates individually
|
|
info_module = get_course_info_section_module(request, request.user, course, 'updates')
|
|
ordered_updates = self.order_updates(info_module.items)
|
|
|
|
# Older implementations and a few tests store a single html object representing all the updates
|
|
plain_html_updates = info_module.data
|
|
|
|
# Render the course home fragment
|
|
context = {
|
|
'csrf': csrf(request)['csrf_token'],
|
|
'course': course,
|
|
'course_url': course_url,
|
|
'updates': ordered_updates,
|
|
'plain_html_updates': plain_html_updates,
|
|
'disable_courseware_js': True,
|
|
'uses_pattern_library': True,
|
|
}
|
|
html = render_to_string('course_experience/course-updates-fragment.html', context)
|
|
return Fragment(html)
|
|
|
|
@classmethod
|
|
def order_updates(self, updates):
|
|
"""
|
|
Returns any course updates in reverse chronological order.
|
|
"""
|
|
sorted_updates = [update for update in updates if update.get('status') == self.STATUS_VISIBLE]
|
|
sorted_updates.sort(
|
|
key=lambda item: (self.safe_parse_date(item['date']), item['id']),
|
|
reverse=True
|
|
)
|
|
return sorted_updates
|
|
|
|
@staticmethod
|
|
def safe_parse_date(date):
|
|
"""
|
|
Since this is used solely for ordering purposes, use today's date as a default
|
|
"""
|
|
try:
|
|
return datetime.strptime(date, '%B %d, %Y')
|
|
except ValueError: # occurs for ill-formatted date values
|
|
return datetime.today()
|