Project Setup

python -m venv venv
venv\Scripts\activate    # Windows এ
# অথবা source venv/bin/activate  # Mac/Linux

pip install django djangorestframework django-cors-headers rest-framework-simplejwt pillow stripe

django-admin startproject campaign_project
cd campaign_project
python manage.py startapp campaign_app

mkdir campaign_app/api
touch campaign_app/api/__init__.py
touch campaign_app/api/serializers.py
touch campaign_app/api/views.py
touch campaign_app/api/urls.py

from django.db import models
from django.contrib.auth.models import AbstractBaseUser, BaseUserManager, PermissionsMixin
from django.utils import timezone
import uuid

# ✅ 1. Custom User Manager
class UserManager(BaseUserManager):
    def create_user(self, email, password=None, **extra_fields):
        """সাধারণ user তৈরি করে"""
        if not email:
            raise ValueError("Email দিতে হবে!")
        email = self.normalize_email(email)  # lowercase করে
        user = self.model(email=email, **extra_fields)
        user.set_password(password)  # password hash করে
        user.save(using=self._db)
        return user

    def create_superuser(self, email, password=None, **extra_fields):
        """Superuser তৈরি করে (admin panel এর জন্য)"""
        extra_fields.setdefault('is_super_admin', True)
        extra_fields.setdefault('is_active', True)
        extra_fields.setdefault('is_admin', True)

        return self.create_user(email, password, **extra_fields)


# ✅ 2. Main Custom User Model
class User(AbstractBaseUser, PermissionsMixin):
    # Basic Info
    email = models.EmailField(unique=True)  # এটাই login এর username হবে
    business_owner_name = models.CharField(max_length=255)
    business_name = models.CharField(max_length=255)
    industry_type = models.CharField(max_length=100, blank=True)
    mobile_number = models.CharField(max_length=20, blank=True)

    # Address
    address = models.TextField(blank=True)
    address_line_2 = models.TextField(blank=True, null=True)
    city = models.CharField(max_length=100, blank=True)
    state = models.CharField(max_length=100, blank=True)
    zipcode = models.CharField(max_length=20, blank=True)

    # Media
    profile_photo = models.ImageField(upload_to='profile_photos/', blank=True, null=True)

    # Status flags
    is_active = models.BooleanField(default=True)
    is_admin = models.BooleanField(default=False)
    is_super_admin = models.BooleanField(default=False)

    # Payment related
    stripe_customer_id = models.CharField(max_length=255, blank=True)

    # Timestamps
    created_at = models.DateTimeField(auto_now_add=True)
    updated_at = models.DateTimeField(auto_now=True)

    # ✅ Manager attach করা
    objects = UserManager()

    # ✅ কোন field দিয়ে login হবে? → email
    USERNAME_FIELD = 'email'

    # ✅ createsuperuser কমান্ড চালালে কোন কোন field চাইবে?
    REQUIRED_FIELDS = ['business_owner_name', 'business_name']

    def __str__(self):
        return self.email


# ✅ 3. Password Reset Token Model
class PasswordResetToken(models.Model):
    user = models.OneToOneField(User, on_delete=models.CASCADE)
    token = models.UUIDField(default=uuid.uuid4, unique=True)
    created_at = models.DateTimeField(default=timezone.now)


# ✅ 4. Invitation Model (Team member invite)
class Invitation(models.Model):
    user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='invitations')
    email = models.EmailField()
    token = models.UUIDField(default=uuid.uuid4, unique=True)
    is_accepted = models.BooleanField(default=False)
    created_at = models.DateTimeField(auto_now_add=True)

INSTALLED_APPS = [
    # ... default গুলো
    'rest_framework',
    'rest_framework_simplejwt',
    'corsheaders',
    'campaign_app',
]

MIDDLEWARE = [
    'corsheaders.middleware.CorsMiddleware',  # সবার উপরে
    # ... বাকি গুলো
]

AUTH_USER_MODEL = 'campaign_app.User'  # ← এটা সবচেয়ে গুরুত্বপূর্ণ!

CORS_ALLOW_ALL_ORIGINS = True  # Development এ

REST_FRAMEWORK = {
    'DEFAULT_AUTHENTICATION_CLASSES': (
        'rest_framework_simplejwt.authentication.JWTAuthentication',
    ),
}

SIMPLE_JWT = {
    'ACCESS_TOKEN_LIFETIME': timedelta(days=1),
    'REFRESH_TOKEN_LIFETIME': timedelta(days=7),
}

MEDIA_URL = '/media/'
MEDIA_ROOT = BASE_DIR / 'media'

from django.contrib import admin
from django.urls import path, include
from django.conf import settings
from django.conf.urls.static import static

urlpatterns = [
    path('admin/', admin.site.urls),
    path('api/', include('campaign_app.api.urls')),  # পরে API গুলো এখানে আসবে
] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)

python manage.py makemigrations
python manage.py migrate
python manage.py createsuperuser  # ← এখানে দেখবে email + password + business_owner_name + business_name চাইছে
python manage.py runserver