make root user and the test for the model students

api/serializers.py

@@ -1,5 +1,6 @@
+from dataclasses import fields
 from rest_framework import serializers
-from backend.models import Event, Student
+from backend.models import Event, Mainuser, Student
 
 class EventSerializer(serializers.ModelSerializer):
     class Meta:
@@ -10,6 +11,10 @@ class Meta:
 
 class StudentSerializer(serializers.ModelSerializer):
     class Meta:
-        model = Student
-        fields = ('id', 'first_name','last_name','email')
+        model = Mainuser 
+        fields = ('__all__')
 
+class MainSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Student
+        fields = ('__all__')

backend/admin.py

@@ -14,5 +14,6 @@ class EventAdmin(admin.ModelAdmin):
 admin.site.register(models.Category)
 # Register your models here.
 
-admin.site.register(models.Student)
+admin.site.register(models.Mainuser)
 
+admin.site.register(models.Student)

backend/migrations/0002_mainuser_student.py

@@ -0,0 +1,34 @@
+# Generated by Django 4.1.2 on 2023-08-25 17:28
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('backend', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Mainuser',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('fullname', models.CharField(max_length=100)),
+                ('username', models.CharField(max_length=200, unique=True)),
+                ('password', models.CharField(max_length=250)),
+                ('email', models.EmailField(max_length=254, unique=True)),
+                ('jnumber', models.IntegerField()),
+                ('role', models.CharField(max_length=100)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Student',
+            fields=[
+                ('mainuser_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, to='backend.mainuser')),
+                ('student_id', models.AutoField(primary_key=True, serialize=False)),
+            ],
+            bases=('backend.mainuser',),
+        ),
+    ]

backend/models.py

@@ -20,27 +20,24 @@
 #     is_superuser = models.BooleanField(default=False)
 #     name = models.CharField(max_length=100, blank=False, null=True)
 #     phone = models.CharField(max_length=20, blank=True, null=True)
-
-
-class Rootuser(models.Model):
-    name = models.CharField(max_length=100)
-
 class Category(models.Model):
     name = models.CharField(max_length=100)
 
     def __str__(self):
         return self.name
 
-class Student(models.Model):
+class Mainuser(models.Model):
 
-    first_name = models.CharField(max_length=100)
-    last_name = models.CharField(max_length=100)
+    fullname = models.CharField(max_length=100)
+    username = models.CharField(max_length=200,unique=True)
+    password = models.CharField(max_length=250)
     email = models.EmailField(unique=True)
+    jnumber = models.IntegerField()
+    role = models.CharField(max_length=100)
 
-
-    def __str__(self):
-        return f"{self.first_name} {self.last_name}"
-
+class Student(Mainuser):
+
+    student_id = models.AutoField(primary_key=True)
 # # create a model with two different user
 # class Mentor(models.Model):
 #     user = models.OneToOneField(User, on_delete=models.CASCADE, primary_key=True, related_name='mentor')
@@ -52,6 +49,7 @@ def __str__(self):
 #     user = models.OneToOneField(User, on_delete=models.CASCADE, primary_key=True, related_name='student')
 #     category = models.ManyToManyField(Category)
 #     def __str__(self):
+
 #         return self.user.username
 
 # Create Event model with title, content, date_posted, student, mentor, start_date, end_date, category, status

backend/tests/test_models.py

@@ -42,10 +42,9 @@ def test_event_content(self):
         self.assertEqual(str(category), 'django')
 
     def test_student(self):
-        test_user = Student.objects.create(first_name='Robera',last_name='Melaek',email='[email protected]')
+        test_user = Student.objects.create(fullname='Robera',username='Melaek',email='[email protected]',jnumber=1,role='teacher')
         username = Student.objects.get(id=1)
-        assert(username.first_name,'Robera')
-
+        self.assertEqual(f'{username.username}','Melaek')