'django.middleware.cache.FetchFromCacheMiddleware',
     'fnpdjango.middleware.SetRemoteAddrFromXRealIP',
     'pybb.middleware.PybbMiddleware',
-    'forum.middleware.ForumMiddleware'
+    'forum.middleware.ForumMiddleware',
+    'wtem.middleware.ThreadLocalMiddleware'
 ) if x is not None)
 
 from django.core.urlresolvers import reverse
 
 from .models import Submission, Assignment
+from .middleware import get_current_request
 
 
 f = file(os.path.dirname(__file__) + '/fixtures/exercises.json')
 
 
 class SubmissionAdmin(admin.ModelAdmin):
+    list_display = ('__unicode__', 'todo',)
     readonly_fields = readonly_fields
 
     def get_form(self, request, obj, **kwargs):
     submitted_by.allow_tags = True
     submitted_by.short_description = "Zgłoszony/a przez"
 
+    def todo(self, submission):
+        user = get_current_request().user
+        user_exercises = get_user_exercises(user)
+        user_marks = submission.marks.get(str(user.id), {})
+        return ','.join([str(e['id']) for e in user_exercises if str(e['id']) not in user_marks.keys()])
+
     def save_model(self, request, submission, form, change):
         for name, value in form.cleaned_data.items():
             if name.startswith('markof_'):
 
--- /dev/null
+try:
+    from threading import local
+except ImportError:
+    from django.utils._threading_local import local
+
+
+_thread_locals = local()
+
+def get_current_request():
+    return getattr(_thread_locals, 'request', None)
+
+
+class ThreadLocalMiddleware:
+    def process_request(self, request):
+        _thread_locals.request = request
\ No newline at end of file