u

lms/accounts/middleware.py

@@ -0,0 +1,35 @@
+from django.contrib.auth import get_user_model
+
+
+User = get_user_model()
+
+class TransitionManager:
+    def __init__(self, get_response):
+        self.get_response = get_response
+
+    def __call__(self, request):
+        # هذه الخطوة تتم قبل وصول الطلب إلى الفيو
+        print("قبل معالجة الطلب")
+
+        # تمرير الطلب إلى الفيو والحصول على الاستجابة
+        response = self.get_response(request)
+
+        # التحقق من وجود المستخدم
+        try:
+            user = User.objects.get(email=request.user.email)
+            match user.role:
+                case "student":
+                    print("طالب")
+                case "instructor":
+                    print("instructor")
+                case "admin":
+                    print("مشرف")
+                case _:
+                    print("القيمة غير معروفة")
+        except User.DoesNotExist:
+            print("المستخدم غير موجود")
+        
+        print("بعد معالجة الطلب")
+
+        return response
+

lms/accounts/migrations/0008_customuser_image.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.0.10 on 2025-01-12 14:39
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('accounts', '0007_remove_customuser_username_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='customuser',
+            name='image',
+            field=models.ImageField(blank=True, null=True, upload_to='account/profile_image/'),
+        ),
+    ]

lms/accounts/models.py

@@ -19,27 +19,25 @@ class CustomUserManager(BaseUserManager):
 
 
 class CustomUser(AbstractUser):
-    # إزالة الحقل username من AbstractUser
+    ROLE_CHOICES = {
+        'student': 'Student',
+        'instructor': 'Instructor',
+        'admin': 'Admin',
+    }
     username = None  
     first_name = None  
     last_name = None  
 
-    # الحقول الخاصة بالمستخدم المخصص
     email = models.EmailField(unique=True)
     full_name = models.CharField(max_length=255, null=True, blank=True)
-    ROLE_CHOICES = [
-        ('student', 'Student'),
-        ('instructor', 'Instructor'),
-        ('admin', 'Admin'),
-    ]
+    image = models.ImageField(upload_to="account/profile_image/", null=True, blank=True)
+
     role = models.CharField(max_length=20, choices=ROLE_CHOICES, null=True, blank=True)
 
-    # تخصيص مدير المستخدم
     objects = CustomUserManager()
 
-    # تحديد الحقول الأساسية
     USERNAME_FIELD = 'email'
-    REQUIRED_FIELDS = []  # قائمة الحقول المطلوبة لإنشاء مستخدم عبر createsuperuser
+    REQUIRED_FIELDS = []  
 
     def __str__(self):
         return self.email

lms/app/migrations/0002_course_image.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.0.10 on 2025-01-12 10:03
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('app', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='course',
+            name='image',
+            field=models.ImageField(null=True, upload_to='courses/image'),
+        ),
+    ]

lms/app/migrations/0003_course_is_paid_course_price.py

@@ -0,0 +1,23 @@
+# Generated by Django 5.0.10 on 2025-01-12 10:16
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('app', '0002_course_image'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='course',
+            name='is_paid',
+            field=models.BooleanField(default=False),
+        ),
+        migrations.AddField(
+            model_name='course',
+            name='price',
+            field=models.DecimalField(blank=True, decimal_places=2, max_digits=10, null=True),
+        ),
+    ]

lms/app/migrations/0004_course_rating.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.0.10 on 2025-01-12 14:39
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('app', '0003_course_is_paid_course_price'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='course',
+            name='rating',
+            field=models.PositiveSmallIntegerField(blank=True, null=True),
+        ),
+    ]

lms/app/models.py

@@ -1,7 +1,7 @@
 from django.db import models
 from uuid import uuid4
 from django.contrib.auth import get_user_model
-
+from rest_framework.exceptions import ValidationError
 
 User = get_user_model()
 
@@ -10,12 +10,24 @@ class Course(models.Model):
     id = models.UUIDField(primary_key=True, default=uuid4, editable=False)
     title = models.CharField(max_length=255, verbose_name="Course Title")
     description = models.TextField(verbose_name="Course Description")
-    instructor = models.ForeignKey(User, on_delete=models.CASCADE, related_name='courses_taught', verbose_name="Instructor")           
+    image = models.ImageField(upload_to="courses/image", null=True)
+    is_paid = models.BooleanField(default=False)
+    price = models.DecimalField(max_digits=10, decimal_places=2, null=True, blank=True)
+    instructor = models.ForeignKey(User, on_delete=models.CASCADE, related_name='courses_taught', verbose_name="Instructor")      
+    rating = models.PositiveSmallIntegerField(null=True, blank=True)  
     created_at = models.DateTimeField(auto_now_add=True, verbose_name="Created At")
     updated_at = models.DateTimeField(auto_now=True, verbose_name="Updated At")
 
     def str(self):
         return self.title
+    
+    def clean(self):
+        if self.is_paid and (self.price is None or self.price <= 0):
+            raise ValidationError({'price': 'Price must be set and greater than 0 for paid products.'})  
+        
+        if not self.is_paid and self.price:
+            raise ValidationError({'price': 'Price must be empty for free products.'})
+
 
 # Table for modules (Module)
 class Module(models.Model):

lms/app/serializers.py

@@ -7,79 +7,15 @@ from allauth.account.models import EmailAddress
 from dj_rest_auth.registration.serializers import RegisterSerializer
 
 
-class CustomLoginSerializer(LoginSerializer):
-    email = serializers.EmailField(required=True)
-    password = serializers.CharField(style={'input_type': 'password'})
-
-    def validate(self, attrs):
-        email = attrs.get('email')
-        password = attrs.get('password')
-
-        if not email or not password:
-            raise serializers.ValidationError("Please enter both email and password.")
-
-        User = get_user_model()
-        users = User.objects.filter(email=email)
-
-        if not users.exists():
-            raise serializers.ValidationError("Incorrect email.")
-
-        if users.count() > 1:
-            raise serializers.ValidationError("Multiple users found with this email. Please contact support.")
-
-        user = users.first()
-
-        if not user.check_password(password):
-            raise serializers.ValidationError("Incorrect password.")
-
-        if not self.is_email_verified(user):
-            raise serializers.ValidationError("Email not verified. Please verify your email first.")
-
-        attrs['user'] = user
-        return attrs
-
-
-    def is_email_verified(self, user):
-        if hasattr(user, 'email_verified'):
-            return user.email_verified
-        else:
-            try:
-                email_address = EmailAddress.objects.get(user=user, email=user.email)
-                return email_address.verified
-            except EmailAddress.DoesNotExist:
-                return False
 
 
 
-
-class CustomRegisterSerializer(RegisterSerializer):
-    full_name = serializers.CharField(required=True)
-
-    def save(self, request):
-        user = super().save(request)
-        user.full_name = self.data.get('full_name', '')
-        user.save()
-        return user
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-class CourseSerializer(serializers.HyperlinkedModelSerializer):
+class CourseSerializer(serializers.ModelSerializer):
     instructor_name = serializers.CharField(source='instructor.username', read_only=True)
     class Meta:
         model = Course
-        fields = ['url', 'id', 'title', 'description', 'instructor_name', 'created_at', 'updated_at']
+        fields = ['id', 'title', 'description', 'is_paid', 'price', 'image', 'instructor_name', 'created_at', 'updated_at']
+        read_only_fields = ['created_at', 'updated_at']
 
 class ModuleSerializer(serializers.HyperlinkedModelSerializer):
     class Meta:

lms/app/urls.py

@@ -3,6 +3,7 @@ from .views import *
 from rest_framework.routers import DefaultRouter
 
 router = DefaultRouter()
+router.register(r'courses-read', CourseRead, basename='course-read')
 router.register(r'courses', CourseViewSet, basename='course')
 router.register(r'modules', ModuleViewSet, basename='modules')
 router.register(r'lessons', LessonViewSet, basename='lessons')

lms/app/views.py

@@ -1,25 +1,44 @@
 from django.shortcuts import render
 from .serializers import *
 from .models import *
-from rest_framework.viewsets import ModelViewSet
+from rest_framework.viewsets import ModelViewSet, ReadOnlyModelViewSet
 from rest_framework.response import Response
 from rest_framework import status
 from rest_framework.permissions import IsAuthenticated, BasePermission
 from .permissions import IsInstructor, IsAdmin
 
+
+
+
+class CourseRead(ReadOnlyModelViewSet):
+    permission_classes = [IsAuthenticated]
+    serializer_class = CourseSerializer
+    queryset = Course.objects.all()
+
+
+
 class CourseViewSet(ModelViewSet):
     """
     A ViewSet for viewing and editing Course instances.
     """
     permission_classes = [IsAuthenticated,]
-    queryset = Course.objects.all()
     serializer_class = CourseSerializer
+    
+    def get_queryset(self):
+        """
+        Return courses belonging to the authenticated user.
+        """
+        user = self.request.user
+        return Course.objects.filter(instructor=user)
 
     def perform_create(self, serializer):
         """
         Save the post data when creating a new course.
         """
-        serializer.save(instructor=self.request.user)
+        user = self.request.user
+
+
+        serializer.save(instructor=user)
 
     def perform_update(self, serializer):
         """
@@ -44,6 +63,14 @@ class CourseViewSet(ModelViewSet):
             )
         instance.delete()
 
+
+
+
+
+
+
+
+
 class ModuleViewSet(ModelViewSet):
     """
     ViewSet for managing modules.