Ejemplo n.º 1
0
def share_collection(request, collection_id=None):
    """
    Share a collection with users by creating a temporary url for authorized
    users to use in order to add themselves into the collection's authorized
    users list
    """
    role_bucket = services.get_or_update_role_bucket(request)
    course_collections = LTIService(request).getCourseCollections()
    collection_list = queries.getCollectionList(
        role_bucket, collection_ids=course_collections)

    collection = Collection.objects.get(id=collection_id)
    collection_share_form = CollectionShareForm()
    context = {
        'share_form': collection_share_form,
        'nav_collections': collection_list,
        'collection': collection,
    }

    if request.POST:
        collection_share_form = CollectionShareForm(request.POST)
        if collection_share_form.is_valid():
            expired_in = str(collection_share_form.cleaned_data['expired_in'])

            # This creates an array of the share data (collection id and expiration data
            # for the url).  Random data is appended/prepended to "obfuscate" the url.
            # This isn't intended to be secure by any means, just make it harder to guess.
            # The assumption is that a share URL will only grant a user student-level
            # access, so they can't do any damage if they "guess" the URL. If that
            # assumption changes, then this implementation should be revisited to make it
            # more secure and tamper-proof.
            share_data = [collection_id, expired_in]
            share_data.insert(0, utils.generate_random_id(3))
            share_data.append(utils.generate_random_id(3))
            share_key = '!!'.join(share_data)

            # This pads the share key so that the base64 encoded string doesn't include
            # base64 padding, which is typically the equals sign ("=").  The equals sign
            # must be percent encoded as %3D which looks bad.  Since 3 ascii characters (8
            # bits) are encoded with 4 base64 characters (6 bits each) this should ensure
            # that the share_key is always a multiple of 3.
            if (len(share_key) % 3) > 0:
                share_key = share_key + utils.generate_random_id(
                    3 - (len(share_key) % 3))

            secret_share_key = base64.urlsafe_b64encode(
                share_key.encode("ascii", "ignore"))

            context['share_form'] = collection_share_form
            context['secret_share_key'] = secret_share_key
            log.info('URL generated to share collection %s.' % collection_id,
                     extra={'user': request.user})
            analytics.track(actor=request.user,
                            verb=analytics.VERBS.shared,
                            object=analytics.OBJECTS.collection,
                            context={"collection_id": collection_id})
        else:
            context['share_form'] = collection_share_form

    return render(request, 'collections/share.html', context)
Ejemplo n.º 2
0
def deck_view_helper(request, current_collection, deck_cards):

    role_bucket = services.get_or_update_role_bucket(request)
    canvas_course_collections = LTIService(request).getCourseCollections()
    collection_list = queries.getCollectionList(role_bucket, collection_ids=canvas_course_collections)

    is_quiz_mode = request.GET.get('mode') == 'quiz'
    is_deck_admin = current_collection.id in (set(role_bucket['ADMINISTRATOR']) | set(role_bucket['INSTRUCTOR']))
    card_id = request.GET.get('card_id', '')
    cards = []
    for dcard in deck_cards:
        card_fields = {'show':[],'reveal':[]}
        for cfield in dcard.card.cards_fields_set.all():
            if cfield.field.display:
                bucket = 'show'
            else:
                bucket = 'reveal'
            card_fields[bucket].append({
                'type': cfield.field.field_type,
                'label': cfield.field.label,
                'show_label': cfield.field.show_label,
                'value': cfield.value,
                })
        cards.append({
            'card_id': dcard.card.id,
            'color': dcard.card.color,
            'fields': card_fields
            })
    return [cards, collection_list, is_quiz_mode, is_deck_admin, card_id]
Ejemplo n.º 3
0
def deck_view_helper(request, current_collection, deck_cards):

    role_bucket = services.get_or_update_role_bucket(request)
    canvas_course_collections = LTIService(request).getCourseCollections()
    collection_list = queries.getCollectionList(
        role_bucket, collection_ids=canvas_course_collections)

    is_quiz_mode = request.GET.get('mode') == 'quiz'
    is_deck_admin = current_collection.id in (set(role_bucket['ADMINISTRATOR'])
                                              | set(role_bucket['INSTRUCTOR']))
    card_id = request.GET.get('card_id', '')
    cards = []
    for dcard in deck_cards:
        card_fields = {'show': [], 'reveal': []}
        for cfield in dcard.card.cards_fields_set.all():
            if cfield.field.display:
                bucket = 'show'
            else:
                bucket = 'reveal'
            card_fields[bucket].append({
                'type': cfield.field.field_type,
                'label': cfield.field.label,
                'show_label': cfield.field.show_label,
                'value': cfield.value,
            })
        cards.append({
            'card_id': dcard.card.id,
            'color': dcard.card.color,
            'fields': card_fields
        })
    return [cards, collection_list, is_quiz_mode, is_deck_admin, card_id]
Ejemplo n.º 4
0
def create(request):
    """Creates a collection."""
    role_bucket = services.get_or_update_role_bucket(request)
    course_collections = LTIService(request).getCourseCollections()
    collection_filters = dict(
        collection_ids=course_collections,
        can_filter=not queries.is_superuser_or_staff(request.user))
    collection_list = queries.getCollectionList(role_bucket,
                                                **collection_filters)

    if request.method == 'POST':
        lti_req = LTIService(request)
        published = not lti_req.isTeacher()
        request.POST = request.POST.copy()
        request.POST['published'] = published
        collection_form = CollectionForm(request.POST)

        card_template_id = collection_form.data['card_template']
        if collection_form.is_valid():
            collection = collection_form.save()
            lti_req.associateCourse(collection.id)
            services.add_user_to_collection(
                user=request.user,
                collection=collection,
                role=Users_Collections.ADMINISTRATOR)
            #update role_bucket to add admin permission to the user for this newly created collection
            services.get_or_update_role_bucket(
                request, collection.id,
                Users_Collections.role_map[Users_Collections.ADMINISTRATOR])
            log.info('Collection %s created.' % collection.id,
                     extra={'user': request.user})
            analytics.track(actor=request.user,
                            verb=analytics.VERBS.created,
                            object=analytics.OBJECTS.collection,
                            context={"custom": False})
            return redirect(collection)
    else:
        rel_templates = CardTemplate.objects.filter(
            Q(owner__isnull=True) | Q(owner=request.user))
        initial = {'card_template': '1'}
        card_template_id = initial['card_template']
        collection_form = CollectionForm(query_set=rel_templates,
                                         initial=initial)

    # Pre-populate the "preview" of the card template
    # This view is also called via AJAX on the page.
    prev_request = HttpRequest()
    prev_request.method = 'GET'
    prev_request.GET['card_template_id'] = card_template_id
    prev_response = card_template.preview(prev_request)
    card_template_preview_html = prev_response.content

    context = {
        "nav_collections": collection_list,
        "active_collection": None,
        "collection_form": collection_form,
        "card_template_preview_html": card_template_preview_html
    }

    return render(request, 'collections/create.html', context)
Ejemplo n.º 5
0
def share_collection(request, collection_id=None):
    """
    Share a collection with users by creating a temporary url for authorized
    users to use in order to add themselves into the collection's authorized
    users list
    """
    role_bucket = services.get_or_update_role_bucket(request)
    course_collections = LTIService(request).getCourseCollections()
    collection_list = queries.getCollectionList(role_bucket, collection_ids=course_collections)

    collection = Collection.objects.get(id=collection_id)
    collection_share_form = CollectionShareForm()
    context = {
            'share_form': collection_share_form,
            'nav_collections': collection_list,
            'collection': collection,
             }

    if request.POST:
        collection_share_form = CollectionShareForm(request.POST)
        if collection_share_form.is_valid():
            expired_in = str(collection_share_form.cleaned_data['expired_in'])

            # This creates an array of the share data (collection id and expiration data
            # for the url).  Random data is appended/prepended to "obfuscate" the url.
            # This isn't intended to be secure by any means, just make it harder to guess.
            # The assumption is that a share URL will only grant a user student-level
            # access, so they can't do any damage if they "guess" the URL. If that
            # assumption changes, then this implementation should be revisited to make it
            # more secure and tamper-proof.
            share_data = [collection_id, expired_in]
            share_data.insert(0, utils.generate_random_id(3))
            share_data.append(utils.generate_random_id(3))
            share_key = '!!'.join(share_data)

            # This pads the share key so that the base64 encoded string doesn't include
            # base64 padding, which is typically the equals sign ("=").  The equals sign
            # must be percent encoded as %3D which looks bad.  Since 3 ascii characters (8
            # bits) are encoded with 4 base64 characters (6 bits each) this should ensure
            # that the share_key is always a multiple of 3.
            if (len(share_key) % 3) > 0:
                share_key = share_key + utils.generate_random_id(3 - (len(share_key) % 3))

            secret_share_key = base64.urlsafe_b64encode(share_key.encode("ascii", "ignore"))

            context['share_form'] = collection_share_form
            context['secret_share_key'] = secret_share_key
            log.info('URL generated to share collection %s.' %collection_id, extra={'user': request.user})
            analytics.track(
                actor=request.user,
                verb=analytics.VERBS.shared,
                object=analytics.OBJECTS.collection,
                context={"collection_id": collection_id}
            )
        else:
            context['share_form'] = collection_share_form

    return render(request, 'collections/share.html', context)
Ejemplo n.º 6
0
def index(request, collection_id=None):
    """Displays a set of collections to the user depending on whether
    or not the collections are private or public and whether or not the
    user has permission."""

    if collection_id is not None:
        collection_id = int(collection_id)

    role_bucket = services.get_or_update_role_bucket(request)
    lti_req = LTIService(request)
    course_collections = lti_req.getCourseCollections()

    is_teacher = lti_req.isTeacher() or queries.is_superuser_or_staff(
        request.user)
    collection_admin_perms = []
    for r in (Users_Collections.ADMINISTRATOR, Users_Collections.INSTRUCTOR):
        role_name = Users_Collections.role_map[r]
        collection_admin_perms.extend(role_bucket[role_name])

    copy_collections = queries.getCopyCollectionList(request.user)
    collection_filters = dict(
        collection_ids=course_collections,
        can_filter=not queries.is_superuser_or_staff(request.user))
    collection_list = queries.getCollectionList(role_bucket,
                                                **collection_filters)
    display_collections = queries.groupCollectionsByList(collection_list)

    context = {
        "nav_collections": collection_list,
        "display_collections": display_collections,
        "copy_collections": copy_collections,
        "active_collection": None,
        "user_collection_role": role_bucket,
        "collection_admin_perms": collection_admin_perms,
        "is_teacher": is_teacher,
    }

    if collection_id:
        try:
            cur_collection = Collection.objects.get(id=collection_id)
        except Collection.DoesNotExist:
            raise Http404
        filtered_collection_list = [
            c for c in collection_list if c['id'] == cur_collection.id
        ]
        if len(filtered_collection_list) == 0:
            raise Http404
        context['active_collection'] = filtered_collection_list[0]

    analytics.track(actor=request.user,
                    verb=analytics.VERBS.viewed,
                    object=analytics.OBJECTS.collection,
                    context={"collection_id": collection_id})

    return render(request, 'collections/index.html', context)
Ejemplo n.º 7
0
def create_edit_card(request, deck_id=None):
    """Create a new card or edit an existing one from the collection card template."""

    deck = Deck.objects.get(id=deck_id)
    current_collection = deck.collection
    card_color_select = widgets.Select(attrs=None, choices=Card.COLOR_CHOICES)

    role_bucket = services.get_or_update_role_bucket(request)
    canvas_course_collections = LTIService(request).getCourseCollections()
    collection_list = queries.getCollectionList(
        role_bucket, collection_ids=canvas_course_collections)

    # Only has card_id if we are editing a card
    card_id = request.GET.get('card_id', '')
    if card_id:
        card = Card.objects.get(id=card_id)
        card_color = card.color
    else:
        card_color = Card.DEFAULT_COLOR

    if card_id:
        field_list = [{
            "id": cfield.field.id,
            "type": cfield.field.field_type,
            "label": cfield.field.label,
            "bucket": "show" if cfield.field.display else "reveal",
            "show_label": cfield.field.show_label,
            "value": cfield.value
        } for cfield in card.cards_fields_set.all()]
    else:
        field_list = [{
            "id": field.id,
            "type": field.field_type,
            "bucket": "show" if field.display else "reveal",
            "label": field.label,
            "show_label": field.show_label,
            "value": ""
        } for field in current_collection.card_template.fields.all()]

    card_fields = {'show': [], 'reveal': []}
    for field in field_list:
        card_fields[field['bucket']].append(field)
    is_all_cards = request.GET.get('is_all_cards', 0)
    context = {
        "is_all_cards": int(is_all_cards),
        "deck": deck,
        "card_id": card_id if card_id else '',
        "collection": current_collection,
        "nav_collections": collection_list,
        "card_fields": card_fields,
        "card_color_select": card_color_select.render("card_color", card_color)
    }

    return render(request, 'decks/edit_card.html', context)
Ejemplo n.º 8
0
def create_edit_card(request, deck_id=None):
    """Create a new card or edit an existing one from the collection card template."""

    deck = Deck.objects.get(id=deck_id)
    current_collection = deck.collection
    card_color_select = widgets.Select(attrs=None, choices=Card.COLOR_CHOICES)

    role_bucket = services.get_or_update_role_bucket(request)
    canvas_course_collections = LTIService(request).getCourseCollections()
    collection_list = queries.getCollectionList(role_bucket, collection_ids=canvas_course_collections)

    # Only has card_id if we are editing a card
    card_id = request.GET.get('card_id', '')
    if card_id:
        card = Card.objects.get(id=card_id)
        card_color = card.color
    else:
        card_color = Card.DEFAULT_COLOR

    if card_id:
        field_list = [{
            "id":cfield.field.id,
            "type": cfield.field.field_type,
            "label": cfield.field.label,
            "bucket": "show" if cfield.field.display else "reveal",
            "show_label": cfield.field.show_label,
            "value": cfield.value
        } for cfield in card.cards_fields_set.all()]
    else:
        field_list = [{
            "id": field.id,
            "type": field.field_type,
            "bucket": "show" if field.display else "reveal",
            "label": field.label,
            "show_label": field.show_label,
            "value": ""
        } for field in current_collection.card_template.fields.all()]

    card_fields = {'show':[], 'reveal':[]}
    for field in field_list:
        card_fields[field['bucket']].append(field)
    is_all_cards = request.GET.get('is_all_cards', 0)
    context = {
        "is_all_cards": int(is_all_cards),
        "deck": deck,
        "card_id": card_id if card_id else '',
        "collection": current_collection,
        "nav_collections": collection_list,
        "card_fields": card_fields,
        "card_color_select":  card_color_select.render("card_color", card_color)
    }

    return render(request, 'decks/edit_card.html', context)
Ejemplo n.º 9
0
def create(request):
    """Creates a collection."""
    role_bucket = services.get_or_update_role_bucket(request)
    course_collections = LTIService(request).getCourseCollections()
    collection_filters = dict(collection_ids=course_collections, can_filter=not queries.is_superuser_or_staff(request.user))
    collection_list = queries.getCollectionList(role_bucket, **collection_filters)

    if request.method == 'POST':
        lti_req = LTIService(request)
        published = not lti_req.isTeacher()
        request.POST = request.POST.copy()
        request.POST['published'] = published
        collection_form = CollectionForm(request.POST)

        card_template_id = collection_form.data['card_template']
        if collection_form.is_valid():
            collection = collection_form.save()
            lti_req.associateCourse(collection.id)
            services.add_user_to_collection(user=request.user, collection=collection, role=Users_Collections.ADMINISTRATOR)
            #update role_bucket to add admin permission to the user for this newly created collection
            services.get_or_update_role_bucket(request, collection.id, Users_Collections.role_map[Users_Collections.ADMINISTRATOR])
            log.info('Collection %s created.' %collection.id, extra={'user': request.user})
            analytics.track(
                actor=request.user,
                verb=analytics.VERBS.created,
                object=analytics.OBJECTS.collection,
                context={"custom": False}
            )
            return redirect(collection)
    else:
        rel_templates = CardTemplate.objects.filter(Q(owner__isnull=True) | Q(owner=request.user))
        initial = {'card_template': '1'}
        card_template_id = initial['card_template']
        collection_form = CollectionForm(query_set=rel_templates,initial=initial)


    # Pre-populate the "preview" of the card template
    # This view is also called via AJAX on the page.
    prev_request = HttpRequest()
    prev_request.method = 'GET'
    prev_request.GET['card_template_id'] = card_template_id
    prev_response = card_template.preview(prev_request)
    card_template_preview_html = prev_response.content

    context = {
        "nav_collections": collection_list,
        "active_collection": None,
        "collection_form": collection_form,
        "card_template_preview_html": card_template_preview_html
    }

    return render(request, 'collections/create.html', context)
Ejemplo n.º 10
0
def index(request, collection_id=None):
    """Displays a set of collections to the user depending on whether
    or not the collections are private or public and whether or not the
    user has permission."""

    if collection_id is not None:
        collection_id = int(collection_id)

    role_bucket = services.get_or_update_role_bucket(request)
    lti_req = LTIService(request)
    course_collections = lti_req.getCourseCollections()

    is_teacher = lti_req.isTeacher() or queries.is_superuser_or_staff(request.user)
    collection_admin_perms = []
    for r in (Users_Collections.ADMINISTRATOR, Users_Collections.INSTRUCTOR):
        role_name = Users_Collections.role_map[r]
        collection_admin_perms.extend(role_bucket[role_name])

    copy_collections = queries.getCopyCollectionList(request.user)
    collection_filters = dict(collection_ids=course_collections, can_filter=not queries.is_superuser_or_staff(request.user))
    collection_list = queries.getCollectionList(role_bucket, **collection_filters)
    display_collections = queries.groupCollectionsByList(collection_list)

    context = {
        "nav_collections": collection_list,
        "display_collections": display_collections,
        "copy_collections": copy_collections,
        "active_collection": None,
        "user_collection_role": role_bucket,
        "collection_admin_perms": collection_admin_perms,
        "is_teacher": is_teacher,
    }

    if collection_id:
        try:
            cur_collection = Collection.objects.get(id=collection_id)
        except Collection.DoesNotExist:
            raise Http404
        filtered_collection_list = [c for c in collection_list if c['id'] == cur_collection.id]
        if len(filtered_collection_list) == 0:
            raise Http404
        context['active_collection'] = filtered_collection_list[0]

    analytics.track(
        actor=request.user,
        verb=analytics.VERBS.viewed,
        object=analytics.OBJECTS.collection,
        context={"collection_id": collection_id}
    )

    return render(request, 'collections/index.html', context)
Ejemplo n.º 11
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def custom_create(request):
    """
    Creates a collection with custom template.
    """
    upload_error = ''
    course_name = ''
    role_bucket = services.get_or_update_role_bucket(request)
    lti_req = LTIService(request)
    course_collections = lti_req.getCourseCollections()
    collection_filters = dict(
        collection_ids=course_collections,
        can_filter=not queries.is_superuser_or_staff(request.user))
    collection_list = queries.getCollectionList(role_bucket,
                                                **collection_filters)
    if request.method == 'POST':
        d = {'user': request.user}
        log.info('The user is uploading a custom deck.', extra=d)

        course_name = request.POST.get('course', '')
        if course_name == '' or 'file' not in request.FILES:
            if course_name == '' and 'file' not in request.FILES:
                upload_error = "Course name needed. No file selected."
            elif course_name != '' and 'file' not in request.FILES:
                upload_error = 'No file selected'
            else:
                upload_error = 'Course name needed.'
        else:
            try:
                is_teacher = lti_req.isTeacher()
                deck = services.handle_custom_file(request.FILES['file'],
                                                   course_name, request.user,
                                                   is_teacher)

                lti_req.associateCourse(deck.collection.id)
                log.info(
                    'Custom deck %(d)s successfully added to the new collection %(c)s.'
                    % {
                        'c': str(deck.collection.id),
                        'd': str(deck.id)
                    },
                    extra=d)
                return redirect(deck)
            except Exception, e:
                upload_error = str(e)
        msg = 'The following error occurred when the user tried uploading a deck: '
        log.error(msg + upload_error, extra=d)
Ejemplo n.º 12
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def edit(request, collection_id=None):
    """Edits a collection."""

    collection = Collection.objects.get(id=collection_id)

    role_bucket = services.get_or_update_role_bucket(request)
    course_collections = LTIService(request).getCourseCollections()
    collection_filters = dict(
        collection_ids=course_collections,
        can_filter=not queries.is_superuser_or_staff(request.user))
    collection_list = queries.getCollectionList(role_bucket,
                                                **collection_filters)

    if request.method == 'POST':
        collection_form = CollectionForm(request.POST, instance=collection)
        if collection_form.is_valid():
            collection = collection_form.save()
            response = redirect(collection)
            response['Location'] += '?instructor=edit'
            analytics.track(actor=request.user,
                            verb=analytics.VERBS.modified,
                            object=analytics.OBJECTS.collection,
                            context={"collection_id": collection_id})
            return response
    else:
        collection_form = CollectionForm(instance=collection)

    collection_decks = []
    for c in collection_list:
        if c['id'] == collection.id:
            collection_decks = c['decks']
            break

    print collection_decks

    context = {
        "collection_form": collection_form,
        "nav_collections": collection_list,
        "collection": collection,
        "collection_decks": collection_decks,
    }

    return render(request, 'collections/edit.html', context)
Ejemplo n.º 13
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def edit(request, collection_id=None):
    """Edits a collection."""

    collection = Collection.objects.get(id=collection_id)

    role_bucket = services.get_or_update_role_bucket(request)
    course_collections = LTIService(request).getCourseCollections()
    collection_filters = dict(collection_ids=course_collections, can_filter=not queries.is_superuser_or_staff(request.user))
    collection_list = queries.getCollectionList(role_bucket, **collection_filters)

    if request.method == 'POST':
        collection_form = CollectionForm(request.POST, instance=collection)
        if collection_form.is_valid():
            collection = collection_form.save()
            response = redirect(collection)
            response['Location'] += '?instructor=edit'
            analytics.track(
                actor=request.user,
                verb=analytics.VERBS.modified,
                object=analytics.OBJECTS.collection,
                context={"collection_id": collection_id}
            )
            return response
    else:
        collection_form = CollectionForm(instance=collection)

    collection_decks = []
    for c in collection_list:
        if c['id'] == collection.id:
            collection_decks = c['decks']
            break

    print collection_decks

    context = {
        "collection_form": collection_form,
        "nav_collections": collection_list,
        "collection": collection,
        "collection_decks": collection_decks,
    }

    return render(request, 'collections/edit.html', context)
Ejemplo n.º 14
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def upload_deck(request, deck_id=None):
    '''
    Imports a deck of cards from an excel spreadsheet.
    '''
    upload_error = ''
    deck = Deck.objects.get(id=deck_id)
    current_collection = deck.collection

    role_bucket = services.get_or_update_role_bucket(request)
    canvas_course_collections = LTIService(request).getCourseCollections()
    collection_list = queries.getCollectionList(
        role_bucket, collection_ids=canvas_course_collections)

    if request.method == 'POST':
        d = {'user': request.user}
        log.info('The user is uploading a new deck.', extra=d)
        deck_form = DeckImportForm(request.POST, request.FILES)
        if deck_form.is_valid():
            if 'file' in request.FILES:
                try:
                    services.handle_uploaded_deck_file(deck,
                                                       request.FILES['file'])
                    log.info(
                        'New deck successfully added to the collection %(c)s.'
                        % {'c': str(deck.collection.id)},
                        extra=d)
                    analytics.track(
                        actor=request.user,
                        verb=analytics.VERBS.uploaded,
                        object=analytics.OBJECTS.deck,
                        context={"deck_id": deck_id},
                    )
                    return redirect(deck)
                except Exception, e:
                    upload_error = str(e)
                    msg = 'The following error occurred when the user tried uploading a deck: '
                    log.error(msg + upload_error, extra=d)
            else:
                log.info('No file selected.', extra=d)
        else:
            log.error('Deck Form is not valid.', extra=d)
Ejemplo n.º 15
0
def upload_deck(request, deck_id=None):
    '''
    Imports a deck of cards from an excel spreadsheet.
    '''
    upload_error = ''
    deck = Deck.objects.get(id=deck_id)
    current_collection = deck.collection

    role_bucket = services.get_or_update_role_bucket(request)
    canvas_course_collections = LTIService(request).getCourseCollections()
    collection_list = queries.getCollectionList(role_bucket, collection_ids=canvas_course_collections)

    if request.method == 'POST':
        d = {'user': request.user}
        log.info('The user is uploading a new deck.', extra=d)
        deck_form = DeckImportForm(request.POST, request.FILES)
        if deck_form.is_valid():
            if 'file' in request.FILES:
                try:
                    services.handle_uploaded_deck_file(deck, request.FILES['file'])
                    log.info('New deck successfully added to the collection %(c)s.' %{'c': str(deck.collection.id)}, extra=d)
                    analytics.track(
                        actor=request.user,
                        verb=analytics.VERBS.uploaded,
                        object=analytics.OBJECTS.deck,
                        context={"deck_id": deck_id},
                    )
                    return redirect(deck)
                except Exception, e:
                    upload_error = str(e)
                    msg = 'The following error occurred when the user tried uploading a deck: '
                    log.error(msg + upload_error, extra=d)
            else:
                log.info('No file selected.', extra=d)
        else:
            log.error('Deck Form is not valid.', extra=d)
Ejemplo n.º 16
0
def custom_create(request):
    """
    Creates a collection with custom template.
    """
    upload_error = ''
    course_name = ''
    role_bucket = services.get_or_update_role_bucket(request)
    lti_req = LTIService(request)
    course_collections = lti_req.getCourseCollections()
    collection_filters = dict(collection_ids=course_collections, can_filter=not queries.is_superuser_or_staff(request.user))
    collection_list = queries.getCollectionList(role_bucket, **collection_filters)
    if request.method == 'POST':
        d = {'user': request.user}
        log.info('The user is uploading a custom deck.', extra=d)

        course_name = request.POST.get('course', '')
        if course_name == '' or 'file' not in request.FILES:
            if course_name == '' and 'file' not in request.FILES:
                upload_error = "Course name needed. No file selected."
            elif course_name != '' and 'file' not in request.FILES:
                upload_error = 'No file selected'
            else:
                upload_error = 'Course name needed.'
        else:
            try:
                is_teacher = lti_req.isTeacher()
                deck = services.handle_custom_file(request.FILES['file'], course_name, request.user, is_teacher)

                lti_req.associateCourse(deck.collection.id)
                log.info('Custom deck %(d)s successfully added to the new collection %(c)s.'
                         %{'c': str(deck.collection.id), 'd':str(deck.id)}, extra=d)
                return redirect(deck)
            except Exception, e:
                    upload_error = str(e)
        msg = 'The following error occurred when the user tried uploading a deck: '
        log.error(msg + upload_error , extra=d)