示例#1
0
def details(request, slug):
    """
    The main view of the Django-CMS! Takes a request and a slug, renders the
    page.
    """
    # get the right model
    context = RequestContext(request)
    # Get a Page model object from the request
    page = get_page_from_request(request, use_path=slug)
    if not page:
        return _handle_no_page(request, slug)

    current_language = get_language_from_request(request)
    # Check that the current page is available in the desired (current) language
    available_languages = []
    page_languages = page.get_languages()
    user_languages = get_public_languages()
    if hasattr(request, 'user') and request.user.is_staff:
        user_languages = get_language_list()
    for frontend_lang in user_languages:
        if frontend_lang in page_languages:
            available_languages.append(frontend_lang)
    attrs = ''
    if 'edit' in request.GET:
        attrs = '?edit=1'
    elif 'preview' in request.GET:
        attrs = '?preview=1'
        if 'draft' in request.GET:
            attrs += '&draft=1'
    # Check that the language is in FRONTEND_LANGUAGES:
    if not current_language in user_languages:
        #are we on root?
        if not slug:
            #redirect to supported language
            languages = []
            for language in available_languages:
                languages.append((language, language))
            if languages:
                with SettingsOverride(LANGUAGES=languages, LANGUAGE_CODE=languages[0][0]):
                    #get supported language
                    new_language = translation.get_language_from_request(request)
                    if new_language in get_public_languages():
                        with force_language(new_language):
                            pages_root = reverse('pages-root')
                            return HttpResponseRedirect(pages_root + attrs)
            else:
                _handle_no_page(request, slug)
        else:
            return _handle_no_page(request, slug)
    if current_language not in available_languages:
        # If we didn't find the required page in the requested (current)
        # language, let's try to find a fallback
        found = False
        for alt_lang in get_fallback_languages(current_language):
            if alt_lang in available_languages:
                if get_redirect_on_fallback(current_language):
                    with force_language(alt_lang):
                        path = page.get_absolute_url(language=alt_lang, fallback=True)
                        # In the case where the page is not available in the
                    # preferred language, *redirect* to the fallback page. This
                    # is a design decision (instead of rendering in place)).
                    return HttpResponseRedirect(path + attrs)
                else:
                    found = True
        if not found:
            # There is a page object we can't find a proper language to render it
            _handle_no_page(request, slug)

    if apphook_pool.get_apphooks():
        # There are apphooks in the pool. Let's see if there is one for the
        # current page
        # since we always have a page at this point, applications_page_check is
        # pointless
        # page = applications_page_check(request, page, slug)
        # Check for apphooks! This time for real!
        try:
            app_urls = page.get_application_urls(current_language, False)
        except Title.DoesNotExist:
            app_urls = []
        if app_urls:
            app = apphook_pool.get_apphook(app_urls)
            pattern_list = []
            for urlpatterns in get_app_urls(app.urls):
                pattern_list += urlpatterns
            urlpatterns = patterns('', *pattern_list)
            try:
                context.current_app = page.reverse_id if page.reverse_id else app.app_name
                view, args, kwargs = resolve('/', tuple(urlpatterns))
                return view(request, *args, **kwargs)
            except Resolver404:
                pass
        # Check if the page has a redirect url defined for this language.
    redirect_url = page.get_redirect(language=current_language)
    if redirect_url:
        if (settings.USE_I18N and redirect_url[0] == "/"
            and not redirect_url.startswith('/%s/' % current_language)):
            # add language prefix to url
            redirect_url = "/%s/%s" % (current_language, redirect_url.lstrip("/"))
            # prevent redirect to self
        own_urls = [
            'http%s://%s%s' % ('s' if request.is_secure() else '', request.get_host(), request.path),
            '/%s' % request.path,
            request.path,
        ]
        if redirect_url not in own_urls:
            return HttpResponseRedirect(redirect_url + attrs)

    # permission checks
    if page.login_required and not request.user.is_authenticated():
        path = urlquote(request.get_full_path())
        tup = settings.LOGIN_URL, "next", path
        return HttpResponseRedirect('%s?%s=%s' % tup)

    template_name = get_template_from_request(request, page, no_current_page=True)
    # fill the context 
    context['lang'] = current_language
    context['current_page'] = page
    context['has_change_permissions'] = page.has_change_permission(request)
    context['has_view_permissions'] = page.has_view_permission(request)

    if not context['has_view_permissions']:
        return _handle_no_page(request, slug)

    return render_to_response(template_name, context_instance=context)
示例#2
0
文件: views.py 项目: Carzeh/sparrow
def details(request, slug):
    """
    The main view of the Django-CMS! Takes a request and a slug, renders the
    page.
    """
    # get the right model
    context = RequestContext(request)
    # Get a Page model object from the request
    page = get_page_from_request(request, use_path=slug)

    if not page:
        return _handle_no_page(request, slug)

    current_language = get_language_from_request(request)

    # Languages specific to page that the current user can see.
    available_languages = get_languages_for_page_user(page=page, user=request.user)

    attrs = ''
    if 'edit' in request.GET:
        attrs = '?edit=1'
    elif 'preview' in request.GET:
        attrs = '?preview=1'
        if 'draft' in request.GET:
            attrs += '&draft=1'

    # Check that the user has access to this language
    # which is defined in FRONTEND_LANGUAGES:
    if not current_language in get_languages_for_user(user=request.user):
        #are we on root?
        if not slug and available_languages:
            #redirect to supported language
            languages = [(language, language) for language in available_languages]
            with SettingsOverride(LANGUAGES=languages, LANGUAGE_CODE=languages[0][0]):
                # get supported language
                new_language = get_language_from_request(request)
                if new_language in get_public_languages():
                    with force_language(new_language):
                        pages_root = reverse('pages-root')
                        return HttpResponseRedirect(pages_root + attrs)
        else:
            return _handle_no_page(request, slug)

    if current_language not in available_languages:
        fallback_languages = get_fallback_languages_for_page(page, current_language, request.user)
        if fallback_languages:
            if get_redirect_on_fallback(current_language):
                fallback_language = fallback_languages[0]
                with force_language(fallback_language):
                    path = page.get_absolute_url(language=fallback_language, fallback=True) + attrs
                    return HttpResponseRedirect(path)
        else:
            # There is a page object we can't find a proper language to render it
            return _handle_no_page(request, slug)
    else:
        page_path = page.get_absolute_url(language=current_language)
        page_slug = page.get_path(language=current_language) or page.get_slug(language=current_language)
        if slug and slug != page_slug and request.path[:len(page_path)] != page_path:
            # The current language does not match it's slug.
            # Redirect to the current language.
            return HttpResponseRedirect(page_path + attrs)

    if apphook_pool.get_apphooks():
        # There are apphooks in the pool. Let's see if there is one for the
        # current page
        # since we always have a page at this point, applications_page_check is
        # pointless
        # page = applications_page_check(request, page, slug)
        # Check for apphooks! This time for real!
        try:
            app_urls = page.get_application_urls(current_language, False)
        except Title.DoesNotExist:
            app_urls = []
        if app_urls:
            app = apphook_pool.get_apphook(app_urls)
            pattern_list = []
            for urlpatterns in get_app_urls(app.urls):
                pattern_list += urlpatterns
            urlpatterns = patterns('', *pattern_list)
            try:
                context.current_app = page.reverse_id if page.reverse_id else app.app_name
                view, args, kwargs = resolve('/', tuple(urlpatterns))
                return view(request, *args, **kwargs)
            except Resolver404:
                pass
        # Check if the page has a redirect url defined for this language.
    redirect_url = page.get_redirect(language=current_language)
    if redirect_url:
        if (is_language_prefix_patterns_used() and redirect_url[0] == "/"
            and not redirect_url.startswith('/%s/' % current_language)):
            # add language prefix to url
            redirect_url = "/%s/%s" % (current_language, redirect_url.lstrip("/"))
            # prevent redirect to self
        own_urls = [
            'http%s://%s%s' % ('s' if request.is_secure() else '', request.get_host(), request.path),
            '/%s' % request.path,
            request.path,
        ]
        if redirect_url not in own_urls:
            return HttpResponseRedirect(redirect_url + attrs)

    # permission checks
    if page.login_required and not request.user.is_authenticated():
        return redirect_to_login(urlquote(request.get_full_path()), settings.LOGIN_URL)

    template_name = get_template_from_request(request, page, no_current_page=True)

    has_view_permissions = page.has_view_permission(request)

    # fill the context
    context['lang'] = current_language
    context['current_page'] = page
    context['has_change_permissions'] = page.has_change_permission(request)
    context['has_view_permissions'] = has_view_permissions

    if not has_view_permissions:
        return _handle_no_page(request, slug)
    return render_to_response(template_name, context_instance=context)