feat: add is_published flag to assignments

lmsege/lms/admin.py

@@ -18,14 +18,24 @@ class QuestionInline(StackedInline):
 
 @admin.register(Assignment)
 class AssignmentAdmin(ModelAdmin):
-    list_display = ('title', 'subject', 'created_at')
+    list_display = ('title', 'subject', 'is_published', 'created_at')
     list_display_links = ('title',)
-    list_filter = ('subject',)
+    list_filter = ('subject', 'is_published')
     search_fields = ('title', 'description')
     exclude = ('created_by',)
     filter_horizontal = ('assigned_students',)
     inlines = [QuestionInline]
-    actions = ['delete_selected_assignments']
+    actions = ['make_published', 'make_unpublished', 'delete_selected_assignments']
+
+    @admin.action(description="Опубликовать выбранные задания")
+    def make_published(self, request, queryset):
+        updated = queryset.update(is_published=True)
+        self.message_user(request, f"Опубликовано {updated} заданий.")
+
+    @admin.action(description="Скрыть выбранные задания (в черновик)")
+    def make_unpublished(self, request, queryset):
+        updated = queryset.update(is_published=False)
+        self.message_user(request, f"Скрыто {updated} заданий.")
 
     @admin.action(description="Удалить выбранные задания")
     def delete_selected_assignments(self, request, queryset):

lmsege/lms/models.py

@@ -17,6 +17,7 @@ class Assignment(models.Model):
     title = models.CharField('Название задания', max_length=255)
     description = RichTextUploadingField('Описание задания', blank=True, null=True)
     subject = models.ForeignKey(Subject, on_delete=models.CASCADE, verbose_name='Предмет')
+    is_published = models.BooleanField('Опубликовано', default=True, help_text='Снимите галочку, чтобы скрыть задание (как черновик).')
     assign_to_all = models.BooleanField('Назначить всем', default=True, help_text='Если включено, задание будет доступно всем ученикам.')
     assigned_students = models.ManyToManyField(settings.AUTH_USER_MODEL, related_name='assigned_assignments', verbose_name='Назначенные ученики', blank=True, limit_choices_to={'role': 'STUDENT'}, help_text='Выберите учеников, если задание не для всех.')
     created_by = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, limit_choices_to={'role__in': ['TEACHER', 'ADMIN']}, verbose_name='Кем создано')

lmsege/lms/views.py

@@ -36,7 +36,8 @@ def home(request):
 @user_passes_test(is_student, login_url='/login/')
 def dashboard(request):
     assignments = Assignment.objects.filter(
-        Q(assign_to_all=True) | Q(assigned_students=request.user)
+        Q(assign_to_all=True) | Q(assigned_students=request.user),
+        is_published=True
     ).distinct().order_by('-created_at')
     
     # Check which ones the student has submitted
@@ -52,7 +53,7 @@ def dashboard(request):
 @login_required
 @user_passes_test(is_student, login_url='/login/')
 def assignment_detail(request, pk):
-    assignment = get_object_or_404(Assignment, pk=pk)
+    assignment = get_object_or_404(Assignment, pk=pk, is_published=True)
     questions = assignment.questions.all()
     
     # Try to get existing submission