f

2026-09-19 11:43:07 +03:00
commit 0e11a41d29
47 changed files with 1631 additions and 0 deletions
@@ -0,0 +1 @@
+# init
@@ -0,0 +1,94 @@
+from django.contrib import admin
+from unfold.admin import ModelAdmin, StackedInline
+from django.db import models
+from django.forms import widgets
+from .models import Subject, Assignment, Submission, Question, Answer
+
+@admin.register(Subject)
+class SubjectAdmin(ModelAdmin):
+    list_display = ('name',)
+    list_display_links = ('name',)
+
+class QuestionInline(StackedInline):
+    model = Question
+    extra = 1
+
+    class Media:
+        js = ('js/admin_assignment.js',)
+
+@admin.register(Assignment)
+class AssignmentAdmin(ModelAdmin):
+    list_display = ('title', 'subject', 'created_at')
+    list_display_links = ('title',)
+    list_filter = ('subject',)
+    search_fields = ('title', 'description')
+    exclude = ('created_by',)
+    inlines = [QuestionInline]
+    actions = ['delete_selected_assignments']
+
+    @admin.action(description="Удалить выбранные задания")
+    def delete_selected_assignments(self, request, queryset):
+        deleted_count = 0
+        for obj in queryset:
+            if self.has_delete_permission(request, obj):
+                obj.delete()
+                deleted_count += 1
+        self.message_user(request, f"Успешно удалено {deleted_count} заданий.")
+
+    def get_queryset(self, request):
+        qs = super().get_queryset(request)
+        if request.user.is_superuser or request.user.role == 'ADMIN':
+            return qs
+        return qs.filter(created_by=request.user)
+
+    def save_model(self, request, obj, form, change):
+        if getattr(obj, 'created_by_id', None) is None:
+            obj.created_by = request.user
+        super().save_model(request, obj, form, change)
+
+    def has_delete_permission(self, request, obj=None):
+        if request.user.is_superuser or request.user.role == 'ADMIN':
+            return True
+        if request.user.role == 'TEACHER':
+            if obj is not None and obj.created_by != request.user:
+                return False
+            return True
+        return False
+
+from django.utils.html import format_html
+
+class AnswerInline(StackedInline):
+    model = Answer
+    extra = 0
+    readonly_fields = ('question', 'get_student_answer')
+    fields = ('question', 'get_student_answer', 'is_correct', 'points', 'comment')
+    
+    def get_student_answer(self, obj):
+        if not obj or not obj.pk:
+            return ""
+        if obj.question.question_type == 'TEXT_AUTO':
+            return obj.text_answer or "Нет ответа"
+        else:
+            if obj.file_answer:
+                return format_html('<a href="{}" target="_blank">Скачать файл</a>', obj.file_answer.url)
+            return "Файл не прикреплен"
+    get_student_answer.short_description = 'Ответ ученика'
+    
+    def has_add_permission(self, request, obj=None):
+        return False
+
+@admin.register(Submission)
+class SubmissionAdmin(ModelAdmin):
+    change_list_template = "admin/lms/submission/change_list.html"
+    list_display = ('assignment', 'student', 'status', 'grade', 'submitted_at')
+    list_filter = ('status', 'assignment__subject', 'student')
+    search_fields = ('student__username', 'assignment__title')
+    inlines = [AnswerInline]
+
+    def get_queryset(self, request):
+        qs = super().get_queryset(request)
+        if request.user.is_superuser or request.user.role == 'ADMIN':
+            return qs
+        if request.user.role == 'TEACHER':
+            return qs.filter(assignment__created_by=request.user)
+        return qs.filter(student=request.user)
@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+class LmsConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'lms'
+    verbose_name = 'Обучение (LMS)'
@@ -0,0 +1,41 @@
+from django import forms
+class AnswersForm(forms.Form):
+    def __init__(self, *args, **kwargs):
+        questions = kwargs.pop('questions', [])
+        super().__init__(*args, **kwargs)
+        for q in questions:
+            if q.question_type == 'TEXT_AUTO':
+                self.fields[f'answer_{q.id}'] = forms.CharField(
+                    label='Ответ:',
+                    required=False,
+                    widget=forms.Textarea(attrs={
+                        'class': 'w-full px-4 py-2 border rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500',
+                        'rows': 3,
+                        'placeholder': 'Введите ваш ответ здесь...'
+                    })
+                )
+            else:
+                self.fields[f'file_{q.id}'] = forms.FileField(
+                    label='Прикрепить файл:',
+                    required=False,
+                    widget=forms.ClearableFileInput(attrs={
+                        'class': 'block w-full text-sm text-gray-500 file:mr-4 file:py-2 file:px-4 file:rounded-full file:border-0 file:text-sm file:font-semibold file:bg-blue-50 file:text-blue-700 hover:file:bg-blue-100'
+                    })
+                )
+
+from django.contrib.auth import get_user_model
+from django.contrib.auth.forms import UserCreationForm
+
+User = get_user_model()
+
+class StudentRegistrationForm(UserCreationForm):
+    class Meta(UserCreationForm.Meta):
+        model = User
+        fields = ('username', 'first_name')
+    
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        for field in self.fields.values():
+            field.widget.attrs.update({
+                'class': 'w-full px-4 py-3 rounded-xl border border-gray-300 focus:ring-2 focus:ring-blue-500 focus:border-blue-500 outline-none transition shadow-sm text-gray-800'
+            })
@@ -0,0 +1,44 @@
+# Generated by Django 5.1.1 on 2026-09-18 18:49
+
+import lms.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Assignment',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=255)),
+                ('description', models.TextField()),
+                ('deadline', models.DateTimeField(blank=True, null=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Subject',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=100)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Submission',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('text_answer', models.TextField(blank=True, null=True)),
+                ('file_answer', models.FileField(blank=True, null=True, upload_to='submissions/%Y/%m/%d/', validators=[lms.validators.validate_file_extension])),
+                ('grade', models.CharField(blank=True, max_length=10, null=True)),
+                ('teacher_feedback', models.TextField(blank=True, null=True)),
+                ('status', models.CharField(choices=[('PENDING', 'Pending'), ('GRADED', 'Graded')], default='PENDING', max_length=20)),
+                ('submitted_at', models.DateTimeField(auto_now_add=True)),
+            ],
+        ),
+    ]
@@ -0,0 +1,38 @@
+# Generated by Django 5.1.1 on 2026-09-18 18:49
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('lms', '0001_initial'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='assignment',
+            name='created_by',
+            field=models.ForeignKey(limit_choices_to={'role__in': ['TEACHER', 'ADMIN']}, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL),
+        ),
+        migrations.AddField(
+            model_name='assignment',
+            name='subject',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='lms.subject'),
+        ),
+        migrations.AddField(
+            model_name='submission',
+            name='assignment',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='submissions', to='lms.assignment'),
+        ),
+        migrations.AddField(
+            model_name='submission',
+            name='student',
+            field=models.ForeignKey(limit_choices_to={'role': 'STUDENT'}, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL),
+        ),
+    ]
@@ -0,0 +1,104 @@
+# Generated by Django 5.1.1 on 2026-09-18 18:59
+
+import django.db.models.deletion
+import lms.validators
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('lms', '0002_initial'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='assignment',
+            options={'verbose_name': 'Задание', 'verbose_name_plural': 'Задания'},
+        ),
+        migrations.AlterModelOptions(
+            name='subject',
+            options={'verbose_name': 'Предмет', 'verbose_name_plural': 'Предметы'},
+        ),
+        migrations.AlterModelOptions(
+            name='submission',
+            options={'verbose_name': 'Ответ ученика', 'verbose_name_plural': 'Ответы учеников'},
+        ),
+        migrations.AlterField(
+            model_name='assignment',
+            name='created_at',
+            field=models.DateTimeField(auto_now_add=True, verbose_name='Дата создания'),
+        ),
+        migrations.AlterField(
+            model_name='assignment',
+            name='created_by',
+            field=models.ForeignKey(limit_choices_to={'role__in': ['TEACHER', 'ADMIN']}, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL, verbose_name='Кем создано'),
+        ),
+        migrations.AlterField(
+            model_name='assignment',
+            name='deadline',
+            field=models.DateTimeField(blank=True, null=True, verbose_name='Срок сдачи (Дедлайн)'),
+        ),
+        migrations.AlterField(
+            model_name='assignment',
+            name='description',
+            field=models.TextField(verbose_name='Описание задания'),
+        ),
+        migrations.AlterField(
+            model_name='assignment',
+            name='subject',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='lms.subject', verbose_name='Предмет'),
+        ),
+        migrations.AlterField(
+            model_name='assignment',
+            name='title',
+            field=models.CharField(max_length=255, verbose_name='Название задания'),
+        ),
+        migrations.AlterField(
+            model_name='subject',
+            name='name',
+            field=models.CharField(max_length=100, verbose_name='Название предмета'),
+        ),
+        migrations.AlterField(
+            model_name='submission',
+            name='assignment',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='submissions', to='lms.assignment', verbose_name='Задание'),
+        ),
+        migrations.AlterField(
+            model_name='submission',
+            name='file_answer',
+            field=models.FileField(blank=True, null=True, upload_to='submissions/%Y/%m/%d/', validators=[lms.validators.validate_file_extension], verbose_name='Файл с ответом'),
+        ),
+        migrations.AlterField(
+            model_name='submission',
+            name='grade',
+            field=models.CharField(blank=True, max_length=10, null=True, verbose_name='Оценка'),
+        ),
+        migrations.AlterField(
+            model_name='submission',
+            name='status',
+            field=models.CharField(choices=[('PENDING', 'Ожидает проверки'), ('GRADED', 'Проверено')], default='PENDING', max_length=20, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='submission',
+            name='student',
+            field=models.ForeignKey(limit_choices_to={'role': 'STUDENT'}, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL, verbose_name='Ученик'),
+        ),
+        migrations.AlterField(
+            model_name='submission',
+            name='submitted_at',
+            field=models.DateTimeField(auto_now_add=True, verbose_name='Дата отправки'),
+        ),
+        migrations.AlterField(
+            model_name='submission',
+            name='teacher_feedback',
+            field=models.TextField(blank=True, null=True, verbose_name='Комментарий учителя'),
+        ),
+        migrations.AlterField(
+            model_name='submission',
+            name='text_answer',
+            field=models.TextField(blank=True, null=True, verbose_name='Текстовый ответ'),
+        ),
+    ]
@@ -0,0 +1,24 @@
+# Generated by Django 5.1.1 on 2026-09-18 20:40
+
+import lms.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('lms', '0003_alter_assignment_options_alter_subject_options_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='assignment',
+            name='attached_file',
+            field=models.FileField(blank=True, null=True, upload_to='assignments/', validators=[lms.validators.validate_file_extension], verbose_name='Файл с заданием'),
+        ),
+        migrations.AddField(
+            model_name='assignment',
+            name='correct_answer',
+            field=models.TextField(blank=True, null=True, verbose_name='Правильный ответ'),
+        ),
+    ]
@@ -0,0 +1,63 @@
+# Generated by Django 5.1.1 on 2026-09-18 20:47
+
+import django.db.models.deletion
+import lms.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('lms', '0004_assignment_attached_file_assignment_correct_answer'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='assignment',
+            name='attached_file',
+        ),
+        migrations.RemoveField(
+            model_name='assignment',
+            name='correct_answer',
+        ),
+        migrations.RemoveField(
+            model_name='submission',
+            name='file_answer',
+        ),
+        migrations.RemoveField(
+            model_name='submission',
+            name='text_answer',
+        ),
+        migrations.CreateModel(
+            name='Question',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('text', models.TextField(verbose_name='Текст задачи')),
+                ('attached_file', models.FileField(blank=True, null=True, upload_to='questions/', validators=[lms.validators.validate_file_extension], verbose_name='Файл (опционально)')),
+                ('question_type', models.CharField(choices=[('TEXT_AUTO', 'Краткий ответ (автопроверка)'), ('FILE_MANUAL', 'Файл/Развернутый ответ (ручная проверка)')], default='TEXT_AUTO', max_length=20, verbose_name='Тип ответа')),
+                ('correct_answer', models.TextField(blank=True, help_text='Оставьте пустым, если проверка ручная', null=True, verbose_name='Правильный ответ (для автопроверки)')),
+                ('order', models.PositiveIntegerField(default=0, verbose_name='Порядок')),
+                ('assignment', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='questions', to='lms.assignment', verbose_name='Задание')),
+            ],
+            options={
+                'verbose_name': 'Задача',
+                'verbose_name_plural': 'Задачи',
+                'ordering': ['order', 'id'],
+            },
+        ),
+        migrations.CreateModel(
+            name='Answer',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('text_answer', models.TextField(blank=True, null=True, verbose_name='Текстовый ответ')),
+                ('file_answer', models.FileField(blank=True, null=True, upload_to='answers/%Y/%m/%d/', validators=[lms.validators.validate_file_extension], verbose_name='Файл с ответом')),
+                ('is_correct', models.BooleanField(blank=True, null=True, verbose_name='Правильно?')),
+                ('submission', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='answers', to='lms.submission', verbose_name='Решение (Submission)')),
+                ('question', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='answers', to='lms.question', verbose_name='Задача')),
+            ],
+            options={
+                'verbose_name': 'Ответ на задачу',
+                'verbose_name_plural': 'Ответы на задачи',
+            },
+        ),
+    ]
@@ -0,0 +1,23 @@
+# Generated by Django 5.1.1 on 2026-09-18 20:59
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('lms', '0005_remove_assignment_attached_file_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='answer',
+            name='comment',
+            field=models.TextField(blank=True, null=True, verbose_name='Комментарий'),
+        ),
+        migrations.AddField(
+            model_name='answer',
+            name='points',
+            field=models.PositiveIntegerField(blank=True, null=True, verbose_name='Баллы'),
+        ),
+    ]
@@ -0,0 +1,29 @@
+# Generated by Django 5.1.1 on 2026-09-19 07:29
+
+import ckeditor_uploader.fields
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('lms', '0006_answer_comment_answer_points'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='assignment',
+            name='description',
+            field=ckeditor_uploader.fields.RichTextUploadingField(blank=True, null=True, verbose_name='Описание задания'),
+        ),
+        migrations.AlterField(
+            model_name='question',
+            name='correct_answer',
+            field=ckeditor_uploader.fields.RichTextUploadingField(blank=True, help_text='Оставьте пустым, если проверка ручная', null=True, verbose_name='Правильный ответ (для автопроверки)'),
+        ),
+        migrations.AlterField(
+            model_name='question',
+            name='text',
+            field=ckeditor_uploader.fields.RichTextUploadingField(verbose_name='Текст задачи'),
+        ),
+    ]
@@ -0,0 +1,18 @@
+# Generated by Django 5.1.1 on 2026-09-19 07:33
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('lms', '0007_alter_assignment_description_and_more'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='question',
+            name='correct_answer',
+            field=models.CharField(blank=True, help_text='Оставьте пустым, если проверка ручная', max_length=255, null=True, verbose_name='Правильный ответ (для автопроверки)'),
+        ),
+    ]
@@ -0,0 +1,17 @@
+# Generated by Django 5.1.1 on 2026-09-19 07:38
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('lms', '0008_alter_question_correct_answer'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='assignment',
+            name='deadline',
+        ),
+    ]
@@ -0,0 +1 @@
+# init
@@ -0,0 +1,83 @@
+from django.db import models
+from django.conf import settings
+from .validators import validate_file_extension
+from ckeditor_uploader.fields import RichTextUploadingField
+
+class Subject(models.Model):
+    name = models.CharField('Название предмета', max_length=100)
+    
+    class Meta:
+        verbose_name = 'Предмет'
+        verbose_name_plural = 'Предметы'
+
+    def __str__(self):
+        return self.name
+
+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')
+    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)
+    
+    class Meta:
+        verbose_name = 'Задание'
+        verbose_name_plural = 'Задания'
+
+    def __str__(self):
+        return f"{self.title} ({self.subject})"
+
+class Question(models.Model):
+    TYPE_CHOICES = (
+        ('TEXT_AUTO', 'Краткий ответ (автопроверка)'),
+        ('FILE_MANUAL', 'Файл/Развернутый ответ (ручная проверка)'),
+    )
+    assignment = models.ForeignKey(Assignment, on_delete=models.CASCADE, related_name='questions', verbose_name='Задание')
+    text = RichTextUploadingField('Текст задачи')
+    attached_file = models.FileField('Файл (опционально)', upload_to='questions/', blank=True, null=True, validators=[validate_file_extension])
+    question_type = models.CharField('Тип ответа', max_length=20, choices=TYPE_CHOICES, default='TEXT_AUTO')
+    correct_answer = models.CharField('Правильный ответ (для автопроверки)', max_length=255, blank=True, null=True, help_text='Оставьте пустым, если проверка ручная')
+    order = models.PositiveIntegerField('Порядок', default=0)
+
+    class Meta:
+        verbose_name = 'Задача'
+        verbose_name_plural = 'Задачи'
+        ordering = ['order', 'id']
+
+    def __str__(self):
+        return f"Задача {self.id} к {self.assignment.title}"
+
+class Submission(models.Model):
+    STATUS_CHOICES = (
+        ('PENDING', 'Ожидает проверки'),
+        ('GRADED', 'Проверено'),
+    )
+    assignment = models.ForeignKey(Assignment, on_delete=models.CASCADE, related_name='submissions', verbose_name='Задание')
+    student = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, limit_choices_to={'role': 'STUDENT'}, verbose_name='Ученик')
+    grade = models.CharField('Оценка', max_length=10, blank=True, null=True)
+    teacher_feedback = models.TextField('Комментарий учителя', blank=True, null=True)
+    status = models.CharField('Статус', max_length=20, choices=STATUS_CHOICES, default='PENDING')
+    submitted_at = models.DateTimeField('Дата отправки', auto_now_add=True)
+
+    class Meta:
+        verbose_name = 'Ответ ученика'
+        verbose_name_plural = 'Ответы учеников'
+
+    def __str__(self):
+        return f"Ответ от {self.student.username} на {self.assignment.title}"
+
+class Answer(models.Model):
+    submission = models.ForeignKey(Submission, on_delete=models.CASCADE, related_name='answers', verbose_name='Решение (Submission)')
+    question = models.ForeignKey(Question, on_delete=models.CASCADE, related_name='answers', verbose_name='Задача')
+    text_answer = models.TextField('Текстовый ответ', blank=True, null=True)
+    file_answer = models.FileField('Файл с ответом', upload_to='answers/%Y/%m/%d/', blank=True, null=True, validators=[validate_file_extension])
+    is_correct = models.BooleanField('Правильно?', null=True, blank=True)
+    points = models.PositiveIntegerField('Баллы', blank=True, null=True)
+    comment = models.TextField('Комментарий', blank=True, null=True)
+
+    class Meta:
+        verbose_name = 'Ответ на задачу'
+        verbose_name_plural = 'Ответы на задачи'
+
+    def __str__(self):
+        return f"Ответ на {self.question}"
@@ -0,0 +1,66 @@
+document.addEventListener('DOMContentLoaded', function() {
+    function toggleCorrectAnswer(row) {
+        const typeSelect = row.querySelector('select[name$="-question_type"]');
+        const correctAnswerInput = row.querySelector('[name$="-correct_answer"]');
+        
+        if (typeSelect && correctAnswerInput) {
+            let wrapper = row.querySelector('.field-correct_answer');
+            if (!wrapper) {
+                // Find a suitable parent div to hide. Unfold puts fields in divs, often with mb-4 or similar.
+                // We go up to the closest field group container.
+                wrapper = correctAnswerInput.closest('.form-row') || correctAnswerInput.parentElement.parentElement;
+            }
+            if (wrapper) {
+                if (typeSelect.value === 'FILE_MANUAL') {
+                    wrapper.style.display = 'none';
+                } else {
+                    wrapper.style.display = '';
+                }
+            }
+        }
+    }
+
+    function updateOrder() {
+        const rows = document.querySelectorAll('.inline-related:not(.empty-form)');
+        let counter = 1;
+        rows.forEach(row => {
+            const deleteInput = row.querySelector('input[name$="-DELETE"]');
+            if (deleteInput && deleteInput.checked) return;
+            
+            if (row.style.display !== 'none') {
+                const orderInput = row.querySelector('input[name$="-order"]');
+                if (orderInput) {
+                    orderInput.value = counter++;
+                    let wrapper = row.querySelector('.field-order');
+                    if (!wrapper) {
+                         wrapper = orderInput.closest('.form-row') || orderInput.parentElement.parentElement;
+                    }
+                    if (wrapper) wrapper.style.display = 'none';
+                }
+            }
+        });
+    }
+
+    document.body.addEventListener('change', function(e) {
+        if (e.target && e.target.matches('select[name$="-question_type"]')) {
+            const row = e.target.closest('.inline-related');
+            if (row) toggleCorrectAnswer(row);
+        }
+        if (e.target && e.target.matches('input[name$="-DELETE"]')) {
+            setTimeout(updateOrder, 50);
+        }
+    });
+
+    function initAll() {
+        const rows = document.querySelectorAll('.inline-related:not(.empty-form)');
+        rows.forEach(row => {
+            toggleCorrectAnswer(row);
+        });
+        updateOrder();
+    }
+
+    initAll();
+    
+    // Aggressive fallback for dynamically added inline rows in Unfold
+    setInterval(initAll, 1000);
+});
@@ -0,0 +1,85 @@
+{% extends "admin/change_list.html" %}
+{% load i18n admin_urls static admin_list unfold_list %}
+
+{% block result_list %}
+    {% if actions_on_top %}
+        {% if cl.search_fields or action_form or cl.has_filters %}
+            <div class="bg-gray-50 flex flex-col gap-3 mb-4 p-3 rounded-md lg:flex-row dark:bg-gray-800">
+                {% block search %}
+                    {% search_form cl %}
+                {% endblock %}
+
+                {% block filters %}
+                    {% if cl.has_filters %}
+                        <a class="{% if cl.has_active_filters %}bg-primary-600 border-primary-600 text-white{% else %}bg-white dark:bg-gray-900 dark:border-gray-700{% endif %} border cursor-pointer flex font-medium group items-center px-3 py-2 rounded-md shadow-sm text-sm lg:ml-auto md:mt-0 {% if not cl.model_admin.list_filter_sheet %}2xl:hidden{% endif %}" x-on:click="filterOpen = true" x-on:keydown.escape.window="filterOpen = false">
+                            {% trans "Filters" %}
+
+                            <span class="material-symbols-outlined md-18 ml-auto -mr-1 pl-4 {% if cl.has_active_filters %}text-white{% else %}text-gray-400 group-hover:text-gray-500 dark:group-hover:text-gray-400 dark:text-gray-500{% endif %}">filter_list</span>
+                        </a>
+                    {% endif %}
+                {% endblock %}
+            </div>
+        {% endif %}
+    {% endif %}
+
+    <div class="grid grid-cols-1 md:grid-cols-2 gap-6 mt-4 pb-8">
+        <!-- PENDING COLUMN -->
+        <div class="bg-gray-50 dark:bg-gray-800 rounded-lg p-4 shadow-sm border border-gray-200 dark:border-gray-700">
+            <h2 class="font-bold text-lg mb-4 text-gray-700 dark:text-gray-300 flex items-center">
+                <span class="w-3 h-3 bg-yellow-400 rounded-full mr-2"></span>
+                Ожидает проверки
+            </h2>
+            <div class="flex flex-col gap-3">
+                {% for result in cl.result_list %}
+                    {% if result.status == 'PENDING' %}
+                        <div class="bg-white dark:bg-gray-900 border border-gray-200 dark:border-gray-700 p-4 rounded-lg shadow-sm hover:shadow-md transition-shadow relative overflow-hidden group">
+                            <div class="absolute top-0 left-0 w-1 h-full bg-yellow-400"></div>
+                            <h3 class="font-semibold text-gray-900 dark:text-white text-base pl-2">{{ result.assignment.title }}</h3>
+                            <div class="mt-2 text-sm text-gray-600 dark:text-gray-400 pl-2">
+                                <p class="flex items-center gap-1 mb-1"><span class="material-symbols-outlined text-[16px]">person</span> {{ result.student.first_name|default:result.student.username }}</p>
+                                <p class="flex items-center gap-1"><span class="material-symbols-outlined text-[16px]">schedule</span> {{ result.submitted_at|date:"d M Y, H:i" }}</p>
+                            </div>
+                            <div class="mt-4 pl-2">
+                                <a href="{% url 'admin:lms_submission_change' result.pk %}" class="inline-flex items-center px-3 py-1.5 border border-transparent text-xs font-medium rounded text-white bg-primary-600 hover:bg-primary-700 transition">
+                                    Проверить &rarr;
+                                </a>
+                            </div>
+                        </div>
+                    {% endif %}
+                {% endfor %}
+            </div>
+        </div>
+
+        <!-- GRADED COLUMN -->
+        <div class="bg-gray-50 dark:bg-gray-800 rounded-lg p-4 shadow-sm border border-gray-200 dark:border-gray-700">
+            <h2 class="font-bold text-lg mb-4 text-gray-700 dark:text-gray-300 flex items-center">
+                <span class="w-3 h-3 bg-green-500 rounded-full mr-2"></span>
+                Проверено
+            </h2>
+            <div class="flex flex-col gap-3">
+                {% for result in cl.result_list %}
+                    {% if result.status == 'GRADED' %}
+                        <div class="bg-white dark:bg-gray-900 border border-gray-200 dark:border-gray-700 p-4 rounded-lg shadow-sm hover:shadow-md transition-shadow relative overflow-hidden group">
+                            <div class="absolute top-0 left-0 w-1 h-full bg-green-500"></div>
+                            <h3 class="font-semibold text-gray-900 dark:text-white text-base pl-2">{{ result.assignment.title }}</h3>
+                            <div class="mt-2 text-sm text-gray-600 dark:text-gray-400 pl-2">
+                                <p class="flex items-center gap-1 mb-1"><span class="material-symbols-outlined text-[16px]">person</span> {{ result.student.first_name|default:result.student.username }}</p>
+                                <p class="flex items-center gap-1 font-medium text-green-600 dark:text-green-400"><span class="material-symbols-outlined text-[16px]">done_all</span> Оценка: {{ result.grade|default:"-" }}</p>
+                                <p class="flex items-center gap-1 mt-1 text-xs"><span class="material-symbols-outlined text-[14px]">event</span> {{ result.submitted_at|date:"d M Y, H:i" }}</p>
+                            </div>
+                            <div class="mt-4 pl-2">
+                                <a href="{% url 'admin:lms_submission_change' result.pk %}" class="inline-flex items-center px-3 py-1.5 border border-gray-300 dark:border-gray-600 text-xs font-medium rounded text-gray-700 dark:text-gray-300 bg-white dark:bg-gray-800 hover:bg-gray-50 dark:hover:bg-gray-700 transition">
+                                    Посмотреть &rarr;
+                                </a>
+                            </div>
+                        </div>
+                    {% endif %}
+                {% endfor %}
+            </div>
+        </div>
+    </div>
+
+    {% block pagination %}
+        {% pagination cl %}
+    {% endblock %}
+{% endblock %}
@@ -0,0 +1,108 @@
+{% extends 'lms/base.html' %}
+
+{% block title %}{{ assignment.title }} | ЕГЭ LMS{% endblock %}
+
+{% block content %}
+<div class="mb-8">
+    <a href="{% url 'lms:dashboard' %}" class="text-blue-600 hover:underline mb-4 inline-block">&larr; Назад к списку</a>
+    <h1 class="text-3xl font-bold text-gray-900">{{ assignment.title }}</h1>
+    <div class="mt-2 text-sm text-gray-500 flex gap-4">
+        <span>Предмет: {{ assignment.subject.name }}</span>
+    </div>
+</div>
+
+<div class="bg-white rounded-2xl shadow-sm border border-gray-100 p-6 mb-8">
+    <h3 class="text-xl font-semibold mb-4">Описание задания</h3>
+    <div class="prose max-w-none text-gray-700">
+        {{ assignment.description|safe }}
+    </div>
+
+</div>
+
+<div class="bg-white rounded-2xl shadow-sm border border-gray-100 p-6">
+    <h3 class="text-xl font-semibold mb-4">Ваш ответ</h3>
+    
+    {% if submission %}
+        <div class="mb-6 p-4 rounded-lg border {% if submission.status == 'GRADED' %}bg-green-50 text-green-800 border-green-200{% else %}bg-yellow-50 text-yellow-800 border-yellow-200{% endif %}">
+            {% if submission.status == 'GRADED' %}
+                <h4 class="font-bold mb-2">Оценка: {{ submission.grade|default:"Не выставлена" }}</h4>
+            {% else %}
+                <p>Ваша работа отправлена и ожидает проверки.</p>
+            {% endif %}
+            
+            {% if submission.teacher_feedback %}
+                <p class="mt-2"><strong>Общий комментарий:</strong> {{ submission.teacher_feedback }}</p>
+            {% endif %}
+        </div>
+        
+        <h4 class="font-bold mb-4 text-gray-800">Ваши ответы на задачи:</h4>
+        <div class="space-y-4">
+            {% for answer in submission.answers.all %}
+            <div class="p-4 bg-gray-50 border rounded-lg">
+                <h5 class="font-medium text-sm text-gray-500 mb-2">Задача {{ forloop.counter }}: {{ answer.question.text|striptags|truncatewords:10 }}</h5>
+                {% if answer.question.question_type == 'TEXT_AUTO' %}
+                    <p class="text-gray-800"><strong>Ваш ответ:</strong> {{ answer.text_answer|default:"Нет" }}</p>
+                    <p class="text-sm mt-1 {% if answer.is_correct %}text-green-600{% elif answer.is_correct == False %}text-red-600{% else %}text-gray-500{% endif %}">
+                        {% if answer.is_correct %}
+                            <span class="material-icons text-[14px] align-middle">check_circle</span> Верно
+                        {% elif answer.is_correct == False %}
+                            <span class="material-icons text-[14px] align-middle">cancel</span> Неверно
+                        {% else %}
+                            <span class="material-icons text-[14px] align-middle">help_outline</span> Ожидает проверки
+                        {% endif %}
+                    </p>
+                {% else %}
+                    {% if answer.file_answer %}
+                        <p class="text-gray-800"><strong>Прикрепленный файл:</strong> <a href="{{ answer.file_answer.url }}" class="text-blue-600 hover:underline">Скачать</a></p>
+                    {% else %}
+                        <p class="text-gray-500">Файл не прикреплен</p>
+                    {% endif %}
+                {% endif %}
+                
+                {% if answer.points is not None %}
+                    <p class="mt-2 text-sm text-blue-800 font-medium">Баллы: {{ answer.points }}</p>
+                {% endif %}
+                {% if answer.comment %}
+                    <p class="mt-1 text-sm text-gray-700 bg-white p-2 rounded border"><strong>Комментарий:</strong> {{ answer.comment }}</p>
+                {% endif %}
+            </div>
+            {% endfor %}
+        </div>
+    {% else %}
+        <form method="post" enctype="multipart/form-data" class="space-y-6">
+            {% csrf_token %}
+            
+            {% for q, field in question_fields %}
+            <div class="p-5 border rounded-xl bg-gray-50 border-gray-200">
+                <h4 class="font-semibold text-lg mb-2 text-gray-800">Задача {{ forloop.counter }}</h4>
+                <div class="prose max-w-none text-gray-700 mb-4">
+                    {{ q.text|safe }}
+                </div>
+                
+                {% if q.attached_file %}
+                <div class="mb-4">
+                    <a href="{{ q.attached_file.url }}" class="inline-flex items-center px-3 py-1.5 bg-white border text-gray-700 rounded hover:bg-gray-50 transition text-sm" target="_blank">
+                        <span class="material-icons mr-1 text-[16px]">attach_file</span> Скачать файл к задаче
+                    </a>
+                </div>
+                {% endif %}
+                
+                <div class="bg-white p-4 rounded-lg border border-gray-200">
+                    <label for="{{ field.id_for_label }}" class="block text-sm font-medium text-gray-700 mb-2">{{ field.label }}</label>
+                    {{ field }}
+                    {% if field.errors %}
+                    <p class="mt-1 text-sm text-red-600">{{ field.errors.0 }}</p>
+                    {% endif %}
+                </div>
+            </div>
+            {% endfor %}
+            
+            <div class="pt-4">
+                <button type="submit" class="px-6 py-3 bg-blue-600 text-white rounded-lg hover:bg-blue-700 transition font-medium">
+                    Отправить ответ
+                </button>
+            </div>
+        </form>
+    {% endif %}
+</div>
+{% endblock %}
@@ -0,0 +1,47 @@
+<!DOCTYPE html>
+<html lang="ru">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>{% block title %}ЕГЭ LMS{% endblock %}</title>
+    <script src="https://cdn.tailwindcss.com"></script>
+    <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
+    <style>
+        body { font-family: 'Inter', sans-serif; background-color: #f8fafc; }
+    </style>
+</head>
+<body class="text-gray-800 antialiased h-screen flex flex-col">
+    
+    <!-- Navbar -->
+    <nav class="bg-white border-b border-gray-200 shadow-sm">
+        <div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
+            <div class="flex justify-between h-16">
+                <div class="flex items-center">
+                    <a href="/" class="flex-shrink-0 flex items-center gap-2">
+                        <span class="material-icons text-blue-600">school</span>
+                        <span class="font-bold text-xl tracking-tight text-gray-900">ЕГЭ LMS</span>
+                    </a>
+                </div>
+                <div class="flex items-center gap-4">
+                    {% if user.is_authenticated %}
+                        <span class="text-sm text-gray-600">Привет, <b>{{ user.first_name|default:user.username }}</b></span>
+                        <form action="{% url 'lms:logout' %}" method="post" class="inline">
+                            {% csrf_token %}
+                            <button type="submit" class="text-sm font-medium text-red-600 hover:text-red-800 transition">Выйти</button>
+                        </form>
+                    {% else %}
+                        <a href="{% url 'lms:login' %}" class="text-sm font-medium text-blue-600 hover:text-blue-800 transition">Войти</a>
+                    {% endif %}
+                </div>
+            </div>
+        </div>
+    </nav>
+
+    <!-- Main Content -->
+    <main class="flex-1 max-w-7xl w-full mx-auto px-4 sm:px-6 lg:px-8 py-8">
+        {% block content %}
+        {% endblock %}
+    </main>
+
+</body>
+</html>
@@ -0,0 +1,72 @@
+{% extends 'lms/base.html' %}
+{% load lms_tags %}
+
+{% block title %}Мои задания | ЕГЭ LMS{% endblock %}
+
+{% block content %}
+<div class="mb-8 flex justify-between items-end border-b pb-4">
+    <div>
+        <h1 class="text-3xl font-bold text-gray-900">Мои задания</h1>
+        <p class="text-gray-500 mt-1">Список всех доступных заданий для выполнения.</p>
+    </div>
+</div>
+
+{% if assignments %}
+<div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
+    {% for assignment in assignments %}
+        {% get_submission submissions assignment.id as sub %}
+        <div class="bg-white rounded-2xl shadow-sm hover:shadow-md border border-gray-100 transition-all duration-200 overflow-hidden flex flex-col">
+            <div class="p-6 flex-1">
+                <div class="flex justify-between items-start mb-4">
+                    <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-blue-100 text-blue-800">
+                        {{ assignment.subject.name }}
+                    </span>
+                    
+                    {% if sub %}
+                        {% if sub.status == 'GRADED' %}
+                            <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-green-100 text-green-800">
+                                <span class="material-icons text-[12px] mr-1">done_all</span> Проверено ({{ sub.grade|default:"-" }})
+                            </span>
+                        {% else %}
+                            <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-yellow-100 text-yellow-800">
+                                <span class="material-icons text-[12px] mr-1">schedule</span> Ожидает проверки
+                            </span>
+                        {% endif %}
+                    {% else %}
+                        <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-gray-100 text-gray-800">
+                            Не сдано
+                        </span>
+                    {% endif %}
+                </div>
+                
+                <h3 class="text-xl font-semibold text-gray-900 mb-2 line-clamp-2">
+                    {{ assignment.title }}
+                </h3>
+                <p class="text-gray-500 text-sm line-clamp-3 mb-4">
+                    {{ assignment.description|striptags|truncatewords:20 }}
+                </p>
+                
+                <div class="text-xs text-gray-400 mt-auto flex flex-col gap-1">
+                    <span class="flex items-center gap-1">
+                        <span class="material-icons text-[14px]">event</span> 
+                        Добавлено: {{ assignment.created_at|date:"d M Y" }}
+                    </span>
+                </div>
+            </div>
+            <div class="bg-gray-50 p-4 border-t border-gray-100">
+                <a href="{% url 'lms:assignment_detail' assignment.pk %}" class="w-full inline-flex justify-center items-center px-4 py-2 border border-transparent text-sm font-medium rounded-lg text-white bg-blue-600 hover:bg-blue-700 shadow-sm transition-colors">
+                    {% if sub %}Смотреть ответ{% else %}Выполнить задание{% endif %}
+                </a>
+            </div>
+        </div>
+    {% endfor %}
+</div>
+{% else %}
+<div class="text-center py-20">
+    <span class="material-icons text-gray-300 text-6xl mb-4">assignment_turned_in</span>
+    <h3 class="text-xl font-medium text-gray-900 mb-1">Пока заданий нет</h3>
+    <p class="text-gray-500">Учитель еще не добавил новые задания.</p>
+</div>
+{% endif %}
+
+{% endblock %}
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html lang="ru">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Платформа ЕГЭ LMS</title>
+    <script src="https://cdn.tailwindcss.com"></script>
+</head>
+<body class="bg-gray-50 flex items-center justify-center h-screen">
+    <div class="text-center p-8 bg-white shadow-lg rounded-xl max-w-md w-full">
+        <h1 class="text-3xl font-bold text-gray-800 mb-4">Платформа ЕГЭ</h1>
+        <p class="text-gray-600 mb-6">Добро пожаловать в систему для проверки домашних заданий.</p>
+        
+            <a href="{% url 'lms:login' %}" class="block w-full py-3 px-4 bg-blue-600 text-white rounded-lg font-medium hover:bg-blue-700 transition">
+                Войти в систему
+            </a>
+    </div>
+</body>
+</html>
@@ -0,0 +1,48 @@
+{% extends 'lms/base.html' %}
+
+{% block title %}Вход | ЕГЭ LMS{% endblock %}
+
+{% block content %}
+<div class="flex items-center justify-center h-[calc(100vh-8rem)]">
+    <div class="bg-white p-8 rounded-2xl shadow-lg max-w-md w-full border border-gray-100">
+        
+        <div class="text-center mb-8">
+            <span class="material-icons text-blue-600 text-5xl mb-2">lock</span>
+            <h2 class="text-2xl font-bold text-gray-900">Вход в систему</h2>
+            <p class="text-gray-500 text-sm mt-1">Пожалуйста, авторизуйтесь для доступа к заданиям</p>
+        </div>
+
+        <form method="post" class="space-y-6">
+            {% csrf_token %}
+            
+            {% if form.errors %}
+            <div class="bg-red-50 text-red-600 p-3 rounded-lg text-sm border border-red-200">
+                Имя пользователя или пароль введены неверно.
+            </div>
+            {% endif %}
+
+            <div>
+                <label for="id_username" class="block text-sm font-medium text-gray-700 mb-1">Имя пользователя</label>
+                <input type="text" name="username" id="id_username" required
+                       class="w-full px-4 py-3 rounded-xl border border-gray-300 focus:ring-2 focus:ring-blue-500 focus:border-blue-500 outline-none transition shadow-sm text-gray-800">
+            </div>
+
+            <div>
+                <label for="id_password" class="block text-sm font-medium text-gray-700 mb-1">Пароль</label>
+                <input type="password" name="password" id="id_password" required
+                       class="w-full px-4 py-3 rounded-xl border border-gray-300 focus:ring-2 focus:ring-blue-500 focus:border-blue-500 outline-none transition shadow-sm text-gray-800">
+            </div>
+
+            <button type="submit" 
+                    class="w-full bg-blue-600 hover:bg-blue-700 text-white font-semibold py-3 px-4 rounded-xl shadow-md hover:shadow-lg transition flex justify-center items-center gap-2">
+                Войти <span class="material-icons text-sm">login</span>
+            </button>
+            <input type="hidden" name="next" value="{{ next }}">
+        </form>
+
+        <div class="mt-6 text-center text-sm text-gray-500">
+            Нет аккаунта? <a href="{% url 'lms:register' %}" class="text-blue-600 hover:underline">Зарегистрироваться</a>
+        </div>
+    </div>
+</div>
+{% endblock %}
@@ -0,0 +1,49 @@
+{% extends 'lms/base.html' %}
+
+{% block title %}Регистрация | ЕГЭ LMS{% endblock %}
+
+{% block content %}
+<div class="flex items-center justify-center min-h-[calc(100vh-8rem)] py-8">
+    <div class="bg-white p-8 rounded-2xl shadow-lg max-w-md w-full border border-gray-100">
+        
+        <div class="text-center mb-8">
+            <span class="material-icons text-blue-600 text-5xl mb-2">person_add</span>
+            <h2 class="text-2xl font-bold text-gray-900">Регистрация ученика</h2>
+            <p class="text-gray-500 text-sm mt-1">Создайте аккаунт для доступа к заданиям</p>
+        </div>
+
+        <form method="post" class="space-y-6">
+            {% csrf_token %}
+            
+            {% if form.non_field_errors %}
+            <div class="bg-red-50 text-red-600 p-3 rounded-lg text-sm border border-red-200">
+                {{ form.non_field_errors }}
+            </div>
+            {% endif %}
+
+            {% for field in form %}
+            <div>
+                <label for="{{ field.id_for_label }}" class="block text-sm font-medium text-gray-700 mb-1">{{ field.label }}</label>
+                {{ field }}
+                {% if field.errors %}
+                <p class="text-red-500 text-xs mt-1">{{ field.errors.0 }}</p>
+                {% endif %}
+                {% if field.help_text %}
+                <p class="text-gray-400 text-xs mt-1">{{ field.help_text }}</p>
+                {% endif %}
+            </div>
+            {% endfor %}
+
+            <button type="submit" 
+                    class="w-full bg-blue-600 hover:bg-blue-700 text-white font-semibold py-3 px-4 rounded-xl shadow-md hover:shadow-lg transition flex justify-center items-center gap-2">
+                Зарегистрироваться <span class="material-icons text-sm">person_add</span>
+            </button>
+            <input type="hidden" name="next" value="{{ next }}">
+        </form>
+
+        <div class="mt-6 text-center text-sm text-gray-500">
+            Уже есть аккаунт? <a href="{% url 'lms:login' %}" class="text-blue-600 hover:underline">Войти</a>
+        </div>
+    </div>
+</div>
+{% endblock %}
@@ -0,0 +1 @@
+# init
@@ -0,0 +1,7 @@
+from django import template
+
+register = template.Library()
+
+@register.simple_tag
+def get_submission(submissions_dict, assignment_id):
+    return submissions_dict.get(assignment_id)
@@ -0,0 +1,13 @@
+from django.urls import path
+from django.contrib.auth import views as auth_views
+from . import views
+
+app_name = 'lms'
+
+urlpatterns = [
+    path('register/', views.register, name='register'),
+    path('login/', auth_views.LoginView.as_view(template_name='lms/login.html', redirect_authenticated_user=True), name='login'),
+    path('logout/', auth_views.LogoutView.as_view(next_page='/'), name='logout'),
+    path('dashboard/', views.dashboard, name='dashboard'),
+    path('assignment/<int:pk>/', views.assignment_detail, name='assignment_detail'),
+]
@@ -0,0 +1,8 @@
+import os
+from django.core.exceptions import ValidationError
+
+def validate_file_extension(value):
+    ext = os.path.splitext(value.name)[1]
+    valid_extensions = ['.pdf', '.jpg', '.jpeg', '.png']
+    if not ext.lower() in valid_extensions:
+        raise ValidationError('Unsupported file extension. Only PDF, JPG, and PNG are allowed.')
@@ -0,0 +1,116 @@
+from django.shortcuts import render, get_object_or_404, redirect
+from django.contrib.auth.decorators import login_required, user_passes_test
+from django.utils.html import strip_tags
+from .models import Assignment, Submission, Answer
+from .forms import AnswersForm, StudentRegistrationForm
+from django.contrib.auth import login
+def register(request):
+    if request.user.is_authenticated:
+        return redirect('lms:dashboard')
+    if request.method == 'POST':
+        form = StudentRegistrationForm(request.POST)
+        if form.is_valid():
+            user = form.save(commit=False)
+            user.role = 'STUDENT'
+            user.save()
+            login(request, user)
+            return redirect('lms:dashboard')
+    else:
+        form = StudentRegistrationForm()
+    return render(request, 'lms/register.html', {'form': form})
+
+def is_student(user):
+    return user.is_authenticated and user.role == 'STUDENT'
+
+def home(request):
+    if request.user.is_authenticated:
+        if getattr(request.user, 'role', None) == 'STUDENT':
+            return redirect('lms:dashboard')
+        else:
+            return redirect('/admin/')
+    return render(request, 'lms/home.html')
+
+@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')
+    
+    # Check which ones the student has submitted
+    submissions = Submission.objects.filter(student=request.user)
+    submitted_assignment_ids = submissions.values_list('assignment_id', flat=True)
+
+    return render(request, 'lms/dashboard.html', {
+        'assignments': assignments,
+        'submitted_assignment_ids': submitted_assignment_ids,
+        'submissions': {sub.assignment_id: sub for sub in submissions}
+    })
+
+@login_required
+@user_passes_test(is_student, login_url='/login/')
+def assignment_detail(request, pk):
+    assignment = get_object_or_404(Assignment, pk=pk)
+    questions = assignment.questions.all()
+    
+    # Try to get existing submission
+    submission = Submission.objects.filter(assignment=assignment, student=request.user).first()
+
+    if submission:
+        if request.method == 'POST':
+            # Do not allow updating
+            return redirect('lms:dashboard')
+        form = None
+    else:
+        if request.method == 'POST':
+            form = AnswersForm(request.POST, request.FILES, questions=questions)
+            if form.is_valid():
+                submission = Submission.objects.create(assignment=assignment, student=request.user)
+                
+                all_auto = True
+                total_points = 0
+                max_points = 0
+                
+                for q in questions:
+                    answer_obj = Answer(submission=submission, question=q)
+                    if q.question_type == 'TEXT_AUTO':
+                        val = form.cleaned_data.get(f'answer_{q.id}', '')
+                        answer_obj.text_answer = val
+                        if q.correct_answer:
+                            correct = strip_tags(q.correct_answer).strip().lower()
+                            answer_obj.is_correct = (val.strip().lower() == correct)
+                            answer_obj.points = 1 if answer_obj.is_correct else 0
+                            total_points += answer_obj.points
+                        else:
+                            all_auto = False
+                        max_points += 1
+                    else:
+                        all_auto = False
+                        val = form.cleaned_data.get(f'file_{q.id}')
+                        if val:
+                            answer_obj.file_answer = val
+                    answer_obj.save()
+                    
+                if all_auto and max_points > 0:
+                    submission.status = 'GRADED'
+                    submission.grade = f"{total_points}/{max_points}"
+                else:
+                    submission.status = 'PENDING'
+                submission.save()
+                return redirect('lms:dashboard')
+        else:
+            form = AnswersForm(questions=questions)
+        
+    question_fields = []
+    if form:
+        for q in questions:
+            field = form[f'answer_{q.id}'] if q.question_type == 'TEXT_AUTO' else form[f'file_{q.id}']
+            question_fields.append((q, field))
+
+    return render(request, 'lms/assignment_detail.html', {
+        'assignment': assignment,
+        'form': form,
+        'submission': submission,
+        'questions': questions,
+        'question_fields': question_fields,
+    })