Esempio n. 1
0
def tabs_handler(request, tag=None, package_id=None, branch=None, version_guid=None, block=None):
    """
    The restful handler for static tabs.

    GET
        html: return page for editing static tabs
        json: not supported
    PUT or POST
        json: update the tab order. It is expected that the request body contains a JSON-encoded dict with entry "tabs".
        The value for "tabs" is an array of tab locators, indicating the desired order of the tabs.

    Creating a tab, deleting a tab, or changing its contents is not supported through this method.
    Instead use the general xblock URL (see item.xblock_handler).
    """
    locator = BlockUsageLocator(package_id=package_id, branch=branch, version_guid=version_guid, block_id=block)
    if not has_course_access(request.user, locator):
        raise PermissionDenied()

    old_location = loc_mapper().translate_locator_to_location(locator)
    store = get_modulestore(old_location)
    course_item = store.get_item(old_location)

    if 'application/json' in request.META.get('HTTP_ACCEPT', 'application/json'):
        if request.method == 'GET':
            raise NotImplementedError('coming soon')
        else:
            if 'tabs' in request.json:
                return reorder_tabs_handler(course_item, request)
            elif 'tab_id_locator' in request.json:
                return edit_tab_handler(course_item, request)
            else:
                raise NotImplementedError('Creating or changing tab content is not supported.')

    elif request.method == 'GET':  # assume html
        # get all tabs from the tabs list: static tabs (a.k.a. user-created tabs) and built-in tabs
        # present in the same order they are displayed in LMS

        tabs_to_render = []
        for tab in CourseTabList.iterate_displayable_cms(
                course_item,
                settings,
        ):
            if isinstance(tab, StaticTab):
                # static tab needs its locator information to render itself as an xmodule
                static_tab_loc = old_location.replace(category='static_tab', name=tab.url_slug)
                tab.locator = loc_mapper().translate_location(
                    course_item.location.course_id, static_tab_loc, False, True
                )
            tabs_to_render.append(tab)

        return render_to_response('edit-tabs.html', {
            'context_course': course_item,
            'tabs_to_render': tabs_to_render,
            'course_locator': locator,
            'lms_link': get_lms_link_for_item(course_item.location),
        })
    else:
        return HttpResponseNotFound()
Esempio n. 2
0
def tabs_handler(request, course_key_string):
    """
    The restful handler for static tabs.

    GET
        html: return page for editing static tabs
        json: not supported
    PUT or POST
        json: update the tab order. It is expected that the request body contains a JSON-encoded dict with entry "tabs".
        The value for "tabs" is an array of tab locators, indicating the desired order of the tabs.

    Creating a tab, deleting a tab, or changing its contents is not supported through this method.
    Instead use the general xblock URL (see item.xblock_handler).
    """
    course_key = CourseKey.from_string(course_key_string)
    if not has_course_access(request.user, course_key):
        raise PermissionDenied()

    course_item = modulestore().get_course(course_key)

    if 'application/json' in request.META.get('HTTP_ACCEPT',
                                              'application/json'):
        if request.method == 'GET':
            raise NotImplementedError('coming soon')
        else:
            if 'tabs' in request.json:
                return reorder_tabs_handler(course_item, request)
            elif 'tab_id_locator' in request.json:
                return edit_tab_handler(course_item, request)
            else:
                raise NotImplementedError(
                    'Creating or changing tab content is not supported.')

    elif request.method == 'GET':  # assume html
        # get all tabs from the tabs list: static tabs (a.k.a. user-created tabs) and built-in tabs
        # present in the same order they are displayed in LMS

        tabs_to_render = []
        for tab in CourseTabList.iterate_displayable_cms(
                course_item,
                settings,
        ):
            if isinstance(tab, StaticTab):
                # static tab needs its locator information to render itself as an xmodule
                static_tab_loc = course_key.make_usage_key(
                    'static_tab', tab.url_slug)
                tab.locator = static_tab_loc
            tabs_to_render.append(tab)

        return render_to_response(
            'edit-tabs.html', {
                'context_course': course_item,
                'tabs_to_render': tabs_to_render,
                'lms_link': get_lms_link_for_item(course_item.location),
            })
    else:
        return HttpResponseNotFound()
Esempio n. 3
0
def tabs_handler(request, course_key_string):
    """
    The restful handler for static tabs.

    GET
        html: return page for editing static tabs
        json: not supported
    PUT or POST
        json: update the tab order. It is expected that the request body contains a JSON-encoded dict with entry "tabs".
        The value for "tabs" is an array of tab locators, indicating the desired order of the tabs.

    Creating a tab, deleting a tab, or changing its contents is not supported through this method.
    Instead use the general xblock URL (see item.xblock_handler).
    """
    course_key = CourseKey.from_string(course_key_string)
    if not has_course_access(request.user, course_key):
        raise PermissionDenied()

    course_item = modulestore().get_course(course_key)

    if 'application/json' in request.META.get('HTTP_ACCEPT', 'application/json'):
        if request.method == 'GET':
            raise NotImplementedError('coming soon')
        else:
            if 'tabs' in request.json:
                return reorder_tabs_handler(course_item, request)
            elif 'tab_id_locator' in request.json:
                return edit_tab_handler(course_item, request)
            else:
                raise NotImplementedError('Creating or changing tab content is not supported.')

    elif request.method == 'GET':  # assume html
        # get all tabs from the tabs list: static tabs (a.k.a. user-created tabs) and built-in tabs
        # present in the same order they are displayed in LMS

        tabs_to_render = []
        for tab in CourseTabList.iterate_displayable_cms(
                course_item,
                settings,
        ):
            if isinstance(tab, StaticTab):
                # static tab needs its locator information to render itself as an xmodule
                static_tab_loc = course_key.make_usage_key('static_tab', tab.url_slug)
                tab.locator = static_tab_loc
            tabs_to_render.append(tab)

        return render_to_response('edit-tabs.html', {
            'context_course': course_item,
            'tabs_to_render': tabs_to_render,
            'lms_link': get_lms_link_for_item(course_item.location),
        })
    else:
        return HttpResponseNotFound()
Esempio n. 4
0
def tabs_handler(request, tag=None, package_id=None, branch=None, version_guid=None, block=None):
    """
    The restful handler for static tabs.

    GET
        html: return page for editing static tabs
        json: not supported
    PUT or POST
        json: update the tab order. It is expected that the request body contains a JSON-encoded dict with entry "tabs".
        The value for "tabs" is an array of tab locators, indicating the desired order of the tabs.

    Creating a tab, deleting a tab, or changing its contents is not supported through this method.
    Instead use the general xblock URL (see item.xblock_handler).
    """
    locator = BlockUsageLocator(package_id=package_id, branch=branch, version_guid=version_guid, block_id=block)
    if not has_course_access(request.user, locator):
        raise PermissionDenied()

    old_location = loc_mapper().translate_locator_to_location(locator)
    store = get_modulestore(old_location)
    course_item = store.get_item(old_location)

    if 'application/json' in request.META.get('HTTP_ACCEPT', 'application/json'):
        if request.method == 'GET':
            raise NotImplementedError('coming soon')
        else:
            if 'tabs' in request.json:
                def get_location_for_tab(tab):
                    """  Returns the location (old-style) for a tab. """
                    return loc_mapper().translate_locator_to_location(BlockUsageLocator(tab))

                tabs = request.json['tabs']

                # get list of existing static tabs in course
                # make sure they are the same lengths (i.e. the number of passed in tabs equals the number
                # that we know about) otherwise we will inadvertently drop some!
                existing_static_tabs = [t for t in course_item.tabs if t['type'] == 'static_tab']
                if len(existing_static_tabs) != len(tabs):
                    return JsonResponse(
                        {"error": "number of tabs must be {}".format(len(existing_static_tabs))}, status=400
                    )

                # load all reference tabs, return BadRequest if we can't find any of them
                tab_items = []
                for tab in tabs:
                    item = modulestore('direct').get_item(get_location_for_tab(tab))
                    if item is None:
                        return JsonResponse(
                            {"error": "no tab for found location {}".format(tab)}, status=400
                        )

                    tab_items.append(item)

                # now just go through the existing course_tabs and re-order the static tabs
                reordered_tabs = []
                static_tab_idx = 0
                for tab in course_item.tabs:
                    if tab['type'] == 'static_tab':
                        reordered_tabs.append(
                            {'type': 'static_tab',
                             'name': tab_items[static_tab_idx].display_name,
                             'url_slug': tab_items[static_tab_idx].location.name,
                            }
                        )
                        static_tab_idx += 1
                    else:
                        reordered_tabs.append(tab)

                # OK, re-assemble the static tabs in the new order
                course_item.tabs = reordered_tabs
                modulestore('direct').update_item(course_item, request.user.id)
                return JsonResponse()
            else:
                raise NotImplementedError('Creating or changing tab content is not supported.')
    elif request.method == 'GET':  # assume html
        # see tabs have been uninitialized (e.g. supporting courses created before tab support in studio)
        if course_item.tabs is None or len(course_item.tabs) == 0:
            initialize_course_tabs(course_item, request.user)

        # first get all static tabs from the tabs list
        # we do this because this is also the order in which items are displayed in the LMS
        static_tabs_refs = [t for t in course_item.tabs if t['type'] == 'static_tab']

        static_tabs = []
        for static_tab_ref in static_tabs_refs:
            static_tab_loc = old_location.replace(category='static_tab', name=static_tab_ref['url_slug'])
            static_tabs.append(modulestore('direct').get_item(static_tab_loc))

        components = [
            loc_mapper().translate_location(
                course_item.location.course_id, static_tab.location, False, True
            )
            for static_tab
            in static_tabs
        ]

        return render_to_response('edit-tabs.html', {
            'context_course': course_item,
            'components': components,
            'course_locator': locator
        })
    else:
        return HttpResponseNotFound()
Esempio n. 5
0
def tabs_handler(request,
                 tag=None,
                 package_id=None,
                 branch=None,
                 version_guid=None,
                 block=None):
    """
    The restful handler for static tabs.

    GET
        html: return page for editing static tabs
        json: not supported
    PUT or POST
        json: update the tab order. It is expected that the request body contains a JSON-encoded dict with entry "tabs".
        The value for "tabs" is an array of tab locators, indicating the desired order of the tabs.

    Creating a tab, deleting a tab, or changing its contents is not supported through this method.
    Instead use the general xblock URL (see item.xblock_handler).
    """
    locator = BlockUsageLocator(package_id=package_id,
                                branch=branch,
                                version_guid=version_guid,
                                block_id=block)
    if not has_course_access(request.user, locator):
        raise PermissionDenied()

    old_location = loc_mapper().translate_locator_to_location(locator)
    store = get_modulestore(old_location)
    course_item = store.get_item(old_location)

    if 'application/json' in request.META.get('HTTP_ACCEPT',
                                              'application/json'):
        if request.method == 'GET':
            raise NotImplementedError('coming soon')
        else:
            if 'tabs' in request.json:

                def get_location_for_tab(tab):
                    """  Returns the location (old-style) for a tab. """
                    return loc_mapper().translate_locator_to_location(
                        BlockUsageLocator(tab))

                tabs = request.json['tabs']

                # get list of existing static tabs in course
                # make sure they are the same lengths (i.e. the number of passed in tabs equals the number
                # that we know about) otherwise we will inadvertently drop some!
                existing_static_tabs = [
                    t for t in course_item.tabs if t['type'] == 'static_tab'
                ]
                if len(existing_static_tabs) != len(tabs):
                    return JsonResponse(
                        {
                            "error":
                            "number of tabs must be {}".format(
                                len(existing_static_tabs))
                        },
                        status=400)

                # load all reference tabs, return BadRequest if we can't find any of them
                tab_items = []
                for tab in tabs:
                    item = modulestore('direct').get_item(
                        get_location_for_tab(tab))
                    if item is None:
                        return JsonResponse(
                            {
                                "error":
                                "no tab for found location {}".format(tab)
                            },
                            status=400)

                    tab_items.append(item)

                # now just go through the existing course_tabs and re-order the static tabs
                reordered_tabs = []
                static_tab_idx = 0
                for tab in course_item.tabs:
                    if tab['type'] == 'static_tab':
                        reordered_tabs.append({
                            'type':
                            'static_tab',
                            'name':
                            tab_items[static_tab_idx].display_name,
                            'url_slug':
                            tab_items[static_tab_idx].location.name,
                        })
                        static_tab_idx += 1
                    else:
                        reordered_tabs.append(tab)

                # OK, re-assemble the static tabs in the new order
                course_item.tabs = reordered_tabs
                modulestore('direct').update_item(course_item, request.user.id)
                return JsonResponse()
            else:
                raise NotImplementedError(
                    'Creating or changing tab content is not supported.')
    elif request.method == 'GET':  # assume html
        # see tabs have been uninitialized (e.g. supporting courses created before tab support in studio)
        if course_item.tabs is None or len(course_item.tabs) == 0:
            initialize_course_tabs(course_item, request.user)

        # first get all static tabs from the tabs list
        # we do this because this is also the order in which items are displayed in the LMS
        static_tabs_refs = [
            t for t in course_item.tabs if t['type'] == 'static_tab'
        ]

        static_tabs = []
        for static_tab_ref in static_tabs_refs:
            static_tab_loc = old_location.replace(
                category='static_tab', name=static_tab_ref['url_slug'])
            static_tabs.append(modulestore('direct').get_item(static_tab_loc))

        components = [
            loc_mapper().translate_location(course_item.location.course_id,
                                            static_tab.location, False, True)
            for static_tab in static_tabs
        ]

        return render_to_response(
            'edit-tabs.html', {
                'context_course': course_item,
                'components': components,
                'course_locator': locator
            })
    else:
        return HttpResponseNotFound()
Esempio n. 6
0
def tabs_handler(request,
                 tag=None,
                 package_id=None,
                 branch=None,
                 version_guid=None,
                 block=None):
    """
    The restful handler for static tabs.

    GET
        html: return page for editing static tabs
        json: not supported
    PUT or POST
        json: update the tab order. It is expected that the request body contains a JSON-encoded dict with entry "tabs".
        The value for "tabs" is an array of tab locators, indicating the desired order of the tabs.

    Creating a tab, deleting a tab, or changing its contents is not supported through this method.
    Instead use the general xblock URL (see item.xblock_handler).
    """
    locator = BlockUsageLocator(package_id=package_id,
                                branch=branch,
                                version_guid=version_guid,
                                block_id=block)
    if not has_course_access(request.user, locator):
        raise PermissionDenied()

    old_location = loc_mapper().translate_locator_to_location(locator)
    store = get_modulestore(old_location)
    course_item = store.get_item(old_location)

    if 'application/json' in request.META.get('HTTP_ACCEPT',
                                              'application/json'):
        if request.method == 'GET':
            raise NotImplementedError('coming soon')
        else:
            if 'tabs' in request.json:
                return reorder_tabs_handler(course_item, request)
            elif 'tab_id_locator' in request.json:
                return edit_tab_handler(course_item, request)
            else:
                raise NotImplementedError(
                    'Creating or changing tab content is not supported.')

    elif request.method == 'GET':  # assume html
        # get all tabs from the tabs list: static tabs (a.k.a. user-created tabs) and built-in tabs
        # present in the same order they are displayed in LMS

        tabs_to_render = []
        for tab in CourseTabList.iterate_displayable_cms(
                course_item,
                settings,
        ):
            if isinstance(tab, StaticTab):
                # static tab needs its locator information to render itself as an xmodule
                static_tab_loc = old_location.replace(category='static_tab',
                                                      name=tab.url_slug)
                tab.locator = loc_mapper().translate_location(
                    course_item.location.course_id, static_tab_loc, False,
                    True)
            tabs_to_render.append(tab)

        return render_to_response(
            'edit-tabs.html', {
                'context_course': course_item,
                'tabs_to_render': tabs_to_render,
                'course_locator': locator,
                'lms_link': get_lms_link_for_item(course_item.location),
            })
    else:
        return HttpResponseNotFound()