def container_handler(request, usage_key_string): """ The restful handler for container xblock requests. GET html: returns the HTML page for editing a container json: not currently supported """ if 'text/html' in request.META.get('HTTP_ACCEPT', 'text/html'): try: usage_key = UsageKey.from_string(usage_key_string) except InvalidKeyError: # Raise Http404 on invalid 'usage_key_string' raise Http404 with modulestore().bulk_operations(usage_key.course_key): try: course, xblock, lms_link, preview_lms_link = _get_item_in_course( request, usage_key) except ItemNotFoundError: return HttpResponseBadRequest() component_templates = get_component_templates(course) ancestor_xblocks = [] parent = get_parent_xblock(xblock) action = request.GET.get('action', 'view') is_unit_page = is_unit(xblock) unit = xblock if is_unit_page else None is_first = True while parent: if unit is None and is_unit(parent): unit = parent elif parent.category != 'sequential': current_block = { 'block': parent, 'children': parent.get_children(), 'is_last': is_first } is_first = False ancestor_xblocks.append(current_block) parent = get_parent_xblock(parent) ancestor_xblocks.reverse() assert unit is not None, "Could not determine unit page" subsection = get_parent_xblock(unit) assert subsection is not None, "Could not determine parent subsection from unit " + six.text_type( unit.location) section = get_parent_xblock(subsection) assert section is not None, "Could not determine ancestor section from unit " + six.text_type( unit.location) # for the sequence navigator prev_url, next_url = get_sibling_urls(subsection) # these are quoted here because they'll end up in a query string on the page, # and quoting with mako will trigger the xss linter... prev_url = quote_plus(prev_url) if prev_url else None next_url = quote_plus(next_url) if next_url else None # Fetch the XBlock info for use by the container page. Note that it includes information # about the block's ancestors and siblings for use by the Unit Outline. xblock_info = create_xblock_info( xblock, include_ancestor_info=is_unit_page) if is_unit_page: add_container_page_publishing_info(xblock, xblock_info) # need to figure out where this item is in the list of children as the # preview will need this index = 1 for child in subsection.get_children(): if child.location == unit.location: break index += 1 return render_to_response( 'container.html', { 'language_code': request.LANGUAGE_CODE, 'context_course': course, # Needed only for display of menus at top of page. 'action': action, 'xblock': xblock, 'xblock_locator': xblock.location, 'unit': unit, 'is_unit_page': is_unit_page, 'subsection': subsection, 'section': section, 'position': index, 'prev_url': prev_url, 'next_url': next_url, 'new_unit_category': 'vertical', 'outline_url': '{url}?format=concise'.format( url=reverse_course_url('course_handler', course.id)), 'ancestor_xblocks': ancestor_xblocks, 'component_templates': component_templates, 'xblock_info': xblock_info, 'draft_preview_link': preview_lms_link, 'published_preview_link': lms_link, 'templates': CONTAINER_TEMPLATES }) else: return HttpResponseBadRequest("Only supports HTML requests")
def container_handler(request, usage_key_string): """ The restful handler for container xblock requests. GET html: returns the HTML page for editing a container json: not currently supported """ if 'text/html' in request.META.get('HTTP_ACCEPT', 'text/html'): try: usage_key = UsageKey.from_string(usage_key_string) except InvalidKeyError: # Raise Http404 on invalid 'usage_key_string' raise Http404 with modulestore().bulk_operations(usage_key.course_key): try: course, xblock, lms_link, preview_lms_link = _get_item_in_course( request, usage_key) except ItemNotFoundError: return HttpResponseBadRequest() component_templates = get_component_templates(course) ancestor_xblocks = [] parent = get_parent_xblock(xblock) action = request.GET.get('action', 'view') is_unit_page = is_unit(xblock) unit = xblock if is_unit_page else None while parent and parent.category != 'course': if unit is None and is_unit(parent): unit = parent ancestor_xblocks.append(parent) parent = get_parent_xblock(parent) ancestor_xblocks.reverse() assert unit is not None, "Could not determine unit page" subsection = get_parent_xblock(unit) assert subsection is not None, "Could not determine parent subsection from unit " + unicode( unit.location) section = get_parent_xblock(subsection) assert section is not None, "Could not determine ancestor section from unit " + unicode( unit.location) # Fetch the XBlock info for use by the container page. Note that it includes information # about the block's ancestors and siblings for use by the Unit Outline. xblock_info = create_xblock_info( xblock, include_ancestor_info=is_unit_page) if is_unit_page: add_container_page_publishing_info(xblock, xblock_info) # need to figure out where this item is in the list of children as the # preview will need this index = 1 for child in subsection.get_children(): if child.location == unit.location: break index += 1 return render_to_response( 'container.html', { 'context_course': course, # Needed only for display of menus at top of page. 'action': action, 'xblock': xblock, 'xblock_locator': xblock.location, 'unit': unit, 'is_unit_page': is_unit_page, 'subsection': subsection, 'section': section, 'new_unit_category': 'vertical', 'ancestor_xblocks': ancestor_xblocks, 'component_templates': component_templates, 'xblock_info': xblock_info, 'draft_preview_link': preview_lms_link, 'published_preview_link': lms_link, 'templates': CONTAINER_TEMPLATES }) else: return HttpResponseBadRequest("Only supports HTML requests")
def container_handler(request, usage_key_string): """ The restful handler for container xblock requests. GET html: returns the HTML page for editing a container json: not currently supported """ if 'text/html' in request.META.get('HTTP_ACCEPT', 'text/html'): try: usage_key = UsageKey.from_string(usage_key_string) except InvalidKeyError: # Raise Http404 on invalid 'usage_key_string' raise Http404 with modulestore().bulk_operations(usage_key.course_key): try: course, xblock, lms_link, preview_lms_link = _get_item_in_course(request, usage_key) except ItemNotFoundError: return HttpResponseBadRequest() component_templates = get_component_templates(course) ancestor_xblocks = [] parent = get_parent_xblock(xblock) action = request.REQUEST.get('action', 'view') is_unit_page = is_unit(xblock) unit = xblock if is_unit_page else None while parent and parent.category != 'course': if unit is None and is_unit(parent): unit = parent ancestor_xblocks.append(parent) parent = get_parent_xblock(parent) ancestor_xblocks.reverse() assert unit is not None, "Could not determine unit page" subsection = get_parent_xblock(unit) assert subsection is not None, "Could not determine parent subsection from unit " + unicode(unit.location) section = get_parent_xblock(subsection) assert section is not None, "Could not determine ancestor section from unit " + unicode(unit.location) # Fetch the XBlock info for use by the container page. Note that it includes information # about the block's ancestors and siblings for use by the Unit Outline. xblock_info = create_xblock_info(xblock, include_ancestor_info=is_unit_page) if is_unit_page: add_container_page_publishing_info(xblock, xblock_info) # need to figure out where this item is in the list of children as the # preview will need this index = 1 for child in subsection.get_children(): if child.location == unit.location: break index += 1 return render_to_response('container.html', { 'context_course': course, # Needed only for display of menus at top of page. 'action': action, 'xblock': xblock, 'xblock_locator': xblock.location, 'unit': unit, 'is_unit_page': is_unit_page, 'subsection': subsection, 'section': section, 'new_unit_category': 'vertical', 'ancestor_xblocks': ancestor_xblocks, 'component_templates': json.dumps(component_templates), 'xblock_info': xblock_info, 'draft_preview_link': preview_lms_link, 'published_preview_link': lms_link, 'keywords_supported': get_keywords_supported(), 'templates': CONTAINER_TEMPATES }) else: return HttpResponseBadRequest("Only supports HTML requests")