feat: allow assigning tasks to specific students or everyone

lmsege/lms/admin.py

@@ -23,6 +23,7 @@ class AssignmentAdmin(ModelAdmin):
     list_filter = ('subject',)
     search_fields = ('title', 'description')
     exclude = ('created_by',)
+    filter_horizontal = ('assigned_students',)
     inlines = [QuestionInline]
     actions = ['delete_selected_assignments']
 

lmsege/lms/models.py

@@ -17,6 +17,8 @@ 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')
+    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')
     created_at = models.DateTimeField('Дата создания', auto_now_add=True)
     

lmsege/lms/views.py

@@ -1,4 +1,5 @@
 from django.shortcuts import render, get_object_or_404, redirect
+from django.db.models import Q
 from django.contrib.auth.decorators import login_required, user_passes_test
 from django.utils.html import strip_tags
 from .models import Assignment, Submission, Answer
@@ -34,9 +35,9 @@ def home(request):
 @login_required
 @user_passes_test(is_student, login_url='/login/')
 def dashboard(request):
-    # Fetch assignments (could be all, or specific to student's classes)
-    # For now, let's fetch all assignments.
-    assignments = Assignment.objects.all().order_by('-created_at')
+    assignments = Assignment.objects.filter(
+        Q(assign_to_all=True) | Q(assigned_students=request.user)
+    ).distinct().order_by('-created_at')
     
     # Check which ones the student has submitted
     submissions = Submission.objects.filter(student=request.user)