library_views.py 文件源码

def sort(request):
    """
    Returns data sorted data depending on criterion.
    """
    if request.is_ajax():
        sort_form = SortForm(request.GET)

        if sort_form.is_valid():
            criterion_dict = {'book_name': Book.sort_by_book_name,
                              'author': Book.sort_by_author,
                              'estimation': Book.sort_by_estimation,
                              'most_readable': Book.sort_by_readable}

            category = Category.objects.get(id=sort_form.cleaned_data['category'])
            books = criterion_dict[sort_form.cleaned_data['criterion']](request.user, category)

            for book in books:
                book['name'] = escape(book['name'])
                book['author'] = escape(book['author'])

            return HttpResponse(json.dumps(books), content_type='application/json')
    else:
        return HttpResponse(status=404)


# ----------------------------------------------------------------------------------------------------------------------