ac9d2bfd30
- render reset dates banner in webview for mobile app. - improve banner redirect mechanism
109 lines
4.5 KiB
Python
109 lines
4.5 KiB
Python
"""
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Fragment for rendering the course dates sidebar.
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"""
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from django.http import Http404
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from django.template.loader import render_to_string
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from django.urls import reverse
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from django.utils.decorators import method_decorator
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from django.views.decorators.csrf import ensure_csrf_cookie
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from django.utils.translation import get_language_bidi
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from opaque_keys.edx.keys import CourseKey
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from web_fragments.fragment import Fragment
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from openedx.features.course_experience import RELATIVE_DATES_FLAG
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from openedx.features.course_experience.utils import reset_deadlines_banner_should_display
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from lms.djangoapps.courseware.courses import get_course_date_blocks, get_course_with_access
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from openedx.core.djangoapps.plugin_api.views import EdxFragmentView
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class CourseDatesFragmentView(EdxFragmentView):
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"""
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A fragment to important dates within a course.
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"""
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template_name = 'course_experience/course-dates-fragment.html'
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def render_to_fragment(self, request, course_id=None, **kwargs):
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"""
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Render the course dates fragment.
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"""
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course_key = CourseKey.from_string(course_id)
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course = get_course_with_access(request.user, 'load', course_key, check_if_enrolled=False)
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course_date_blocks = get_course_date_blocks(course, request.user, request, num_assignments=2)
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context = {
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'course_date_blocks': [block for block in course_date_blocks if block.title != 'current_datetime']
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}
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html = render_to_string(self.template_name, context)
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dates_fragment = Fragment(html)
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self.add_fragment_resource_urls(dates_fragment)
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return dates_fragment
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class CourseDatesFragmentMobileView(CourseDatesFragmentView):
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"""
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A course dates fragment to show dates on mobile apps.
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Mobile apps uses WebKit mobile client to create and maintain a session with
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the server for authenticated requests, and it hasn't exposed any way to find
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out either session was created with the server or not so mobile app uses a
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mechanism to automatically create/recreate session with the server for all
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authenticated requests if the server returns 404.
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"""
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template_name = 'course_experience/mobile/course-dates-fragment.html'
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@method_decorator(ensure_csrf_cookie)
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def get(self, request, *args, **kwargs):
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if not request.user.is_authenticated:
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raise Http404
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return super(CourseDatesFragmentMobileView, self).get(request, *args, **kwargs)
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def css_dependencies(self):
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"""
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Returns list of CSS files that this view depends on.
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The helper function that it uses to obtain the list of CSS files
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works in conjunction with the Django pipeline to ensure that in development mode
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the files are loaded individually, but in production just the single bundle is loaded.
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"""
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if get_language_bidi():
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return self.get_css_dependencies('style-mobile-rtl')
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else:
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return self.get_css_dependencies('style-mobile')
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def render_to_fragment(self, request, course_id=None, **kwargs):
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"""
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Render the course dates fragment.
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"""
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from lms.urls import RESET_COURSE_DEADLINES_NAME
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from openedx.features.course_experience.urls import COURSE_DATES_FRAGMENT_VIEW_NAME
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course_key = CourseKey.from_string(course_id)
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course = get_course_with_access(request.user, 'load', course_key, check_if_enrolled=False)
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course_date_blocks = get_course_date_blocks(course, request.user, request, num_assignments=2)
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display_reset_dates_banner = False
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if RELATIVE_DATES_FLAG.is_enabled(course.id):
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display_reset_dates_banner = reset_deadlines_banner_should_display(course_key, request)
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reset_deadlines_url = reverse(RESET_COURSE_DEADLINES_NAME) if display_reset_dates_banner else None
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reset_deadlines_redirect_url_base = COURSE_DATES_FRAGMENT_VIEW_NAME if (
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reset_deadlines_url) else None
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context = {
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'course_date_blocks': [block for block in course_date_blocks if block.title != 'current_datetime'],
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'display_reset_dates_banner': display_reset_dates_banner,
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'reset_deadlines_url': reset_deadlines_url,
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'reset_deadlines_redirect_url_base': reset_deadlines_redirect_url_base,
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'reset_deadlines_redirect_url_id_dict': {'course_id': course_id}
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}
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html = render_to_string(self.template_name, context)
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dates_fragment = Fragment(html)
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self.add_fragment_resource_urls(dates_fragment)
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return dates_fragment
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