school: user configurable locale support

cloud/settings.py

@@ -92,6 +92,7 @@ TEMPLATE_LOADERS = (
 MIDDLEWARE_CLASSES = (
     'django.middleware.common.CommonMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.locale.LocaleMiddleware',
     'django.middleware.csrf.CsrfViewMiddleware',
     'django.middleware.transaction.TransactionMiddleware',
     'django.contrib.auth.middleware.AuthenticationMiddleware',

cloud/urls.py

@@ -35,4 +35,5 @@ urlpatterns = patterns('',
      url(r'^ajax/store/newFolder$', 'store.views.ajax_new_folder', name='store_ajax_new_folder'),
      url(r'^ajax/store/quota$', 'store.views.ajax_quota', name='store_ajax_quota'),
      url(r'^ajax/store/rename$', 'store.views.ajax_rename', name='store_ajax_rename'),
+     url(r'^language/(?P<lang>[-A-Za-z]+)/$', 'school.views.language', name='language'),
 )

one/templates/base.html

@@ -31,14 +31,11 @@
                {% else %}
                    <a href="/login/">Bejelentkezés</a>.
                {% endif %}
-               <!--{% if lang == 'hu' %}
-               <a href="/language/en-US/">In English</a>.
+               {% if lang == 'hu' %}
+               <a href="/language/en/">In English</a>.
                {% else %}
                <a href="/language/hu/">Magyarul</a>.
-                   {% if autolang %}
-                   <p style="position: absolute; top: 40px; right: 1em;" class="triangle-border top">Böngészője kifejezetten angol tartalmat kért.<br/>A <a href="/language/hu/">magyar változat</a> részletesebb és frissebb!</p>
                {% endif %}
-               {% endif %}-->
                </p>
            </div>
         {% endblock %}

school/views.py

@@ -114,3 +114,24 @@ def login(request):
     response = redirect(redirect_to)
     response.set_cookie(settings.LANGUAGE_COOKIE_NAME, p.language, 10*365*24*3600)
     return response
+
+def language(request, lang):
+    cname = settings.LANGUAGE_COOKIE_NAME
+    if not cname:
+        cname = 'django_language'
+    redirect_to = request.META['HTTP_REFERER']
+    r = redirect(redirect_to)
+    if not redirect_to:
+        redirect_to = "/"
+
+    try:
+        p = Person.objects.get(user=request.user)
+        p.language = lang
+        p.save()
+    except ValidationError as e:
+        messages.error(e)
+    except:
+        messages.error(_("Could not found Person object."))
+    r.set_cookie(cname, lang, 10*365*24*3600)
+    return r
+