نموذج المستخدم المخصّص (Custom User Model)

python manage.py startapp accounts

# accounts/models.py
from django.contrib.auth.models import AbstractUser
from django.db import models

class CustomUser(AbstractUser):
    # كل حقول User الافتراضي موجودة تلقائيًا (username, email, password...)
    # أضف حقولك الخاصة هنا:
    phone = models.CharField(max_length=20, blank=True)
    bio = models.TextField(max_length=500, blank=True)

    def __str__(self):
        return self.username

# settings.py
AUTH_USER_MODEL = "accounts.CustomUser"

# accounts/forms.py
from django.contrib.auth.forms import UserCreationForm, UserChangeForm
from .models import CustomUser

class CustomUserCreationForm(UserCreationForm):
    class Meta(UserCreationForm.Meta):
        model = CustomUser
        fields = UserCreationForm.Meta.fields + ("email",)

class CustomUserChangeForm(UserChangeForm):
    class Meta(UserChangeForm.Meta):
        model = CustomUser

# accounts/admin.py
from django.contrib import admin
from django.contrib.auth.admin import UserAdmin
from .models import CustomUser
from .forms import CustomUserCreationForm, CustomUserChangeForm

class CustomUserAdmin(UserAdmin):
    add_form = CustomUserCreationForm
    form = CustomUserChangeForm
    model = CustomUser

admin.site.register(CustomUser, CustomUserAdmin)

python manage.py makemigrations accounts
python manage.py migrate

from django.conf import settings

# داخل نموذج آخر يشير للمستخدم:
class Post(models.Model):
    author = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
    # ✅ صحيح: يشير لأي نموذج مستخدم معرَّف بـ AUTH_USER_MODEL

# داخل view:
request.user.phone  # الوصول للحقل المخصّص مباشرة