def _get_resume_course_info(self, request, course_id): """ Returns information relevant to resume course functionality. Returns a tuple: (has_visited_course, resume_course_url) has_visited_course: True if the user has ever completed a block, False otherwise. resume_course_url: The URL of the 'resume course' block if the user has completed a block, otherwise the URL of the first block to start the course. """ course_outline_root_block = get_course_outline_block_tree( request, course_id, request.user) resume_block = get_resume_block( course_outline_root_block) if course_outline_root_block else None has_visited_course = bool(resume_block) if resume_block: resume_course_url = resume_block['lms_web_url'] else: start_block = get_start_block( course_outline_root_block ) if course_outline_root_block else None resume_course_url = start_block[ 'lms_web_url'] if start_block else None return has_visited_course, resume_course_url
def get(self, request, *args, **kwargs): course_key_string = kwargs.get('course_key_string') course_key = CourseKey.from_string(course_key_string) course_usage_key = modulestore().make_course_usage_key(course_key) if not course_home_mfe_outline_tab_is_active(course_key): raise Http404 # Enable NR tracing for this view based on course monitoring_utils.set_custom_attribute('course_id', course_key_string) monitoring_utils.set_custom_attribute('user_id', request.user.id) monitoring_utils.set_custom_attribute('is_staff', request.user.is_staff) course = get_course_with_access(request.user, 'load', course_key, check_if_enrolled=False) masquerade_object, request.user = setup_masquerade( request, course_key, staff_access=has_access(request.user, 'staff', course_key), reset_masquerade_data=True, ) user_is_masquerading = is_masquerading( request.user, course_key, course_masquerade=masquerade_object) course_overview = CourseOverview.get_from_id(course_key) enrollment = CourseEnrollment.get_enrollment(request.user, course_key) allow_anonymous = COURSE_ENABLE_UNENROLLED_ACCESS_FLAG.is_enabled( course_key) allow_public = allow_anonymous and course.course_visibility == COURSE_VISIBILITY_PUBLIC allow_public_outline = allow_anonymous and course.course_visibility == COURSE_VISIBILITY_PUBLIC_OUTLINE # User locale settings user_timezone_locale = user_timezone_locale_prefs(request) user_timezone = user_timezone_locale['user_timezone'] dates_tab_link = request.build_absolute_uri( reverse('dates', args=[course.id])) if course_home_mfe_dates_tab_is_active(course.id): dates_tab_link = get_learning_mfe_home_url(course_key=course.id, view_name='dates') # Set all of the defaults access_expiration = None course_blocks = None course_goals = {'goal_options': [], 'selected_goal': None} course_tools = CourseToolsPluginManager.get_enabled_course_tools( request, course_key) dates_widget = { 'course_date_blocks': [], 'dates_tab_link': dates_tab_link, 'user_timezone': user_timezone, } enroll_alert = { 'can_enroll': True, 'extra_text': None, } handouts_html = None offer_data = None resume_course = { 'has_visited_course': False, 'url': None, } welcome_message_html = None is_enrolled = enrollment and enrollment.is_active is_staff = bool(has_access(request.user, 'staff', course_key)) show_enrolled = is_enrolled or is_staff if show_enrolled: course_blocks = get_course_outline_block_tree( request, course_key_string, request.user) date_blocks = get_course_date_blocks(course, request.user, request, num_assignments=1) dates_widget['course_date_blocks'] = [ block for block in date_blocks if not isinstance(block, TodaysDate) ] handouts_html = get_course_info_section(request, request.user, course, 'handouts') welcome_message_html = get_current_update_for_user(request, course) offer_data = generate_offer_data(request.user, course_overview) access_expiration = get_access_expiration_data( request.user, course_overview) # Only show the set course goal message for enrolled, unverified # users in a course that allows for verified statuses. is_already_verified = CourseEnrollment.is_enrolled_as_verified( request.user, course_key) if not is_already_verified and has_course_goal_permission( request, course_key_string, {'is_enrolled': is_enrolled}): course_goals = { 'goal_options': valid_course_goals_ordered(include_unsure=True), 'selected_goal': None } selected_goal = get_course_goal(request.user, course_key) if selected_goal: course_goals['selected_goal'] = { 'key': selected_goal.goal_key, 'text': get_course_goal_text(selected_goal.goal_key), } try: resume_block = get_key_to_last_completed_block( request.user, course.id) resume_course['has_visited_course'] = True resume_path = reverse('jump_to', kwargs={ 'course_id': course_key_string, 'location': str(resume_block) }) resume_course['url'] = request.build_absolute_uri(resume_path) except UnavailableCompletionData: start_block = get_start_block(course_blocks) resume_course['url'] = start_block['lms_web_url'] elif allow_public_outline or allow_public or user_is_masquerading: course_blocks = get_course_outline_block_tree( request, course_key_string, None) if allow_public or user_is_masquerading: handouts_html = get_course_info_section( request, request.user, course, 'handouts') if not show_enrolled: if CourseMode.is_masters_only(course_key): enroll_alert['can_enroll'] = False enroll_alert['extra_text'] = _( 'Please contact your degree administrator or ' 'edX Support if you have questions.') elif course.invitation_only: enroll_alert['can_enroll'] = False data = { 'access_expiration': access_expiration, 'course_blocks': course_blocks, 'course_goals': course_goals, 'course_tools': course_tools, 'dates_widget': dates_widget, 'enroll_alert': enroll_alert, 'handouts_html': handouts_html, 'has_ended': course.has_ended(), 'offer': offer_data, 'resume_course': resume_course, 'welcome_message_html': welcome_message_html, } context = self.get_serializer_context() context['course_overview'] = course_overview context['enable_links'] = show_enrolled or allow_public context['enrollment'] = enrollment serializer = self.get_serializer_class()(data, context=context) return Response(serializer.data)
def get(self, request, *args, **kwargs): course_key_string = kwargs.get('course_key_string') course_key = CourseKey.from_string(course_key_string) course_usage_key = modulestore().make_course_usage_key(course_key) if course_home_legacy_is_active(course_key): raise Http404 # Enable NR tracing for this view based on course monitoring_utils.set_custom_attribute('course_id', course_key_string) monitoring_utils.set_custom_attribute('user_id', request.user.id) monitoring_utils.set_custom_attribute('is_staff', request.user.is_staff) course = get_course_with_access(request.user, 'load', course_key, check_if_enrolled=False) masquerade_object, request.user = setup_masquerade( request, course_key, staff_access=has_access(request.user, 'staff', course_key), reset_masquerade_data=True, ) user_is_masquerading = is_masquerading( request.user, course_key, course_masquerade=masquerade_object) course_overview = CourseOverview.get_from_id(course_key) enrollment = CourseEnrollment.get_enrollment(request.user, course_key) allow_anonymous = COURSE_ENABLE_UNENROLLED_ACCESS_FLAG.is_enabled( course_key) allow_public = allow_anonymous and course.course_visibility == COURSE_VISIBILITY_PUBLIC allow_public_outline = allow_anonymous and course.course_visibility == COURSE_VISIBILITY_PUBLIC_OUTLINE # User locale settings user_timezone_locale = user_timezone_locale_prefs(request) user_timezone = user_timezone_locale['user_timezone'] if course_home_legacy_is_active(course.id): dates_tab_link = request.build_absolute_uri( reverse('dates', args=[course.id])) else: dates_tab_link = get_learning_mfe_home_url(course_key=course.id, view_name='dates') # Set all of the defaults access_expiration = None cert_data = None course_blocks = None course_goals = {'goal_options': [], 'selected_goal': None} course_tools = CourseToolsPluginManager.get_enabled_course_tools( request, course_key) dates_widget = { 'course_date_blocks': [], 'dates_tab_link': dates_tab_link, 'user_timezone': user_timezone, } enroll_alert = { 'can_enroll': True, 'extra_text': None, } handouts_html = None offer_data = None resume_course = { 'has_visited_course': False, 'url': None, } welcome_message_html = None is_enrolled = enrollment and enrollment.is_active is_staff = bool(has_access(request.user, 'staff', course_key)) show_enrolled = is_enrolled or is_staff if show_enrolled: course_blocks = get_course_outline_block_tree( request, course_key_string, request.user) date_blocks = get_course_date_blocks(course, request.user, request, num_assignments=1) dates_widget['course_date_blocks'] = [ block for block in date_blocks if not isinstance(block, TodaysDate) ] handouts_html = get_course_info_section(request, request.user, course, 'handouts') welcome_message_html = get_current_update_for_user(request, course) offer_data = generate_offer_data(request.user, course_overview) access_expiration = get_access_expiration_data( request.user, course_overview) cert_data = get_cert_data(request.user, course, enrollment.mode) if is_enrolled else None # Only show the set course goal message for enrolled, unverified # users in a course that allows for verified statuses. is_already_verified = CourseEnrollment.is_enrolled_as_verified( request.user, course_key) if not is_already_verified and has_course_goal_permission( request, course_key_string, {'is_enrolled': is_enrolled}): course_goals = { 'goal_options': valid_course_goals_ordered(include_unsure=True), 'selected_goal': None } selected_goal = get_course_goal(request.user, course_key) if selected_goal: course_goals['selected_goal'] = { 'key': selected_goal.goal_key, 'text': get_course_goal_text(selected_goal.goal_key), } try: resume_block = get_key_to_last_completed_block( request.user, course.id) resume_course['has_visited_course'] = True resume_path = reverse('jump_to', kwargs={ 'course_id': course_key_string, 'location': str(resume_block) }) resume_course['url'] = request.build_absolute_uri(resume_path) except UnavailableCompletionData: start_block = get_start_block(course_blocks) resume_course['url'] = start_block['lms_web_url'] elif allow_public_outline or allow_public or user_is_masquerading: course_blocks = get_course_outline_block_tree( request, course_key_string, None) if allow_public or user_is_masquerading: handouts_html = get_course_info_section( request, request.user, course, 'handouts') if not show_enrolled: if CourseMode.is_masters_only(course_key): enroll_alert['can_enroll'] = False enroll_alert['extra_text'] = _( 'Please contact your degree administrator or ' 'edX Support if you have questions.') elif course.invitation_only: enroll_alert['can_enroll'] = False # Sometimes there are sequences returned by Course Blocks that we # don't actually want to show to the user, such as when a sequence is # composed entirely of units that the user can't access. The Learning # Sequences API knows how to roll this up, so we use it determine which # sequences we should remove from course_blocks. # # The long term goal is to remove the Course Blocks API call entirely, # so this is a tiny first step in that migration. if course_blocks and learning_sequences_api_available( course_key, request.user): user_course_outline = get_user_course_outline( course_key, request.user, datetime.now(tz=timezone.utc)) available_seq_ids = { str(usage_key) for usage_key in user_course_outline.sequences } # course_blocks is a reference to the root of the course, so we go # through the chapters (sections) to look for sequences to remove. for chapter_data in course_blocks['children']: chapter_data['children'] = [ seq_data for seq_data in chapter_data['children'] if (seq_data['id'] in available_seq_ids or # Edge case: Sometimes we have weird course structures. # We expect only sequentials here, but if there is # another type, just skip it (don't filter it out). seq_data['type'] != 'sequential') ] if 'children' in chapter_data else [] data = { 'access_expiration': access_expiration, 'cert_data': cert_data, 'course_blocks': course_blocks, 'course_goals': course_goals, 'course_tools': course_tools, 'dates_widget': dates_widget, 'enroll_alert': enroll_alert, 'handouts_html': handouts_html, 'has_ended': course.has_ended(), 'offer': offer_data, 'resume_course': resume_course, 'welcome_message_html': welcome_message_html, } context = self.get_serializer_context() context['course_overview'] = course_overview context['enable_links'] = show_enrolled or allow_public context['enrollment'] = enrollment serializer = self.get_serializer_class()(data, context=context) return Response(serializer.data)