youtube link
https://www.youtube.com/watch?v=Ae7nc1EGv-A&t=246s&ab_channel=VeryAcademy




from django.db import models
from django.db.models.deletion import CASCADE, DO_NOTHING
from django.contrib.auth.models import AbstractBaseUser,PermissionsMixin,BaseUserManager
from django.utils.translation import gettext_lazy as _





class CustomAccountManager(BaseUserManager):

    def create_superuser(self, email, user_name, first_name,last_name,phone_number, password, **other_fields):

        other_fields.setdefault('is_staff', True)
        other_fields.setdefault('is_superuser', True)
        other_fields.setdefault('verified_email', True)

        if other_fields.get('is_staff') is not True:
            raise ValueError(
                'Superuser must be assigned to is_staff=True.')
        if other_fields.get('is_superuser') is not True:
            raise ValueError(
                'Superuser must be assigned to is_superuser=True.')

        return self.create_user(email, user_name, first_name,last_name,phone_number, password, **other_fields)

    def create_user(self, email, user_name, first_name,last_name,phone_number, password, **other_fields):

        if not email:
            raise ValueError(_('You must provide an email address'))

        email = self.normalize_email(email)
        user = self.model(email=email, user_name=user_name,
                          first_name=first_name,last_name=last_name,phone_number=phone_number **other_fields)
        user.set_password(password)
        user.save()
        return user


class lecture(models.Model):
    name = models.CharField(max_length=50)
    video = models.FileField(upload_to='videos/')

class course_section(models.Model):
    name = models.CharField(max_length=50)
    description  = models.CharField(max_length=50)
    lectures = models.ForeignKey(lecture,on_delete=models.SET_NULL,related_name="course_section",null=True)

class course(models.Model):
    name = models.CharField(max_length=50)
    description  = models.CharField(max_length=500)
    price = models.IntegerField()
    course_img = models.ImageField(upload_to="images")
    course_sections = models.ManyToManyField(course_section)

    def __str__(self) -> str:
        return f"{self.name} - {self.price}$"

class semester(models.Model):
    name = models.CharField(max_length=50)
    semester_courses = models.ForeignKey(course,on_delete=models.SET_NULL,related_name="semester",null=True)



class degree(models.Model):
    name = models.CharField(max_length=50)
    semesters = models.ForeignKey(semester,on_delete=models.SET_NULL,related_name="degree",null=True)
    university = models.CharField(max_length=50)




class NewUser(AbstractBaseUser, PermissionsMixin):

    email = models.EmailField(_('email address'), unique=True)
    user_name = models.CharField(max_length=150, unique=True)
    first_name = models.CharField(max_length=150, blank=True)

    verified_email = models.BooleanField(default=False)
    last_name = models.CharField(max_length=50)
    user_image = models.ImageField(upload_to="images",null=True)
    phone_number = models.CharField(max_length=12)
    user_degree = models.ForeignKey(degree,on_delete=models.SET_NULL,related_name="users",null=True)
    writen_courses = models.ForeignKey(course,related_name='author',on_delete=models.SET_NULL,null=True)
    purchased_courses = models.ManyToManyField(course,related_name='course_users')

    is_staff = models.BooleanField(default=False)

    objects = CustomAccountManager()

    USERNAME_FIELD = user_name
    REQUIRED_FIELDS = ['user_name', 'first_name']
    def __str__(self):
        return self.user_name



from django.contrib import admin

# Register your models here.
from.models import NewUser,degree,semester,course_section,course,lecture
from django.contrib import admin
from .models import NewUser
from django.contrib.auth.admin import UserAdmin
from django.forms import TextInput, Textarea


admin.site.register(degree)

admin.site.register(semester)

admin.site.register(course_section)

admin.site.register(course)

admin.site.register(lecture)

class UserAdminConfig(UserAdmin):

    ordering = ('email')
    model = NewUser
    search_fields = ('email', 'user_name',)
    list_filter = ('email', 'verified_email', 'is_staff')
    list_display = ('email', 'user_name', 'phone_number',
                    'verified_email')
    fieldsets = (
        (None, {'fields': ('email', 'user_name', 'first_name','last_name','phone_number')}),
        ('Permissions', {'fields': ('is_staff', 'verified_email')}),
    )
    add_fieldsets = (
        (None, {
            'classes': ('wide',),
            'fields': ('email', 'user_name', 'first_name', 'password1', 'password2', 'verified_email', 'is_staff','last_name','phone_number','user_degree')}
         ),
    )


admin.site.register(NewUser, UserAdminConfig)



"""
Django settings for ben_gurion_bkal project.

Generated by 'django-admin startproject' using Django 3.2.6.

For more information on this file, see
https://docs.djangoproject.com/en/3.2/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/3.2/ref/settings/
"""

from pathlib import Path

# Build paths inside the project like this: BASE_DIR / 'subdir'.
BASE_DIR = Path(__file__).resolve().parent.parent


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/3.2/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = 'django-insecure-k@q#fs40xdi%cmy5dg*4_27&56#42u=ag&a4ws13o((6@80w2l'

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True

ALLOWED_HOSTS = []


# Application definition

INSTALLED_APPS = [
    'main_website',
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

ROOT_URLCONF = 'ben_gurion_bkal.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [BASE_DIR/"templates"],
        'APP_DIRS': True,
        'OPTIONS': {
            'context_processors': [
                'django.template.context_processors.debug',
                'django.template.context_processors.request',
                'django.contrib.auth.context_processors.auth',
                'django.contrib.messages.context_processors.messages',
            ],
        },
    },
]

WSGI_APPLICATION = 'ben_gurion_bkal.wsgi.application'


# Database
# https://docs.djangoproject.com/en/3.2/ref/settings/#databases

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': BASE_DIR / 'db.sqlite3',
    }
}


# Password validation
# https://docs.djangoproject.com/en/3.2/ref/settings/#auth-password-validators

AUTH_PASSWORD_VALIDATORS = [
    {
        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
    },
]


# Internationalization
# https://docs.djangoproject.com/en/3.2/topics/i18n/

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_L10N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/3.2/howto/static-files/

STATIC_URL = '/static/'

STATICFILES_DIRS = [
    BASE_DIR/"static"

]


# Default primary key field type
# https://docs.djangoproject.com/en/3.2/ref/settings/#default-auto-field

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

AUTH_USER_MODEL = 'main.website.NewUser'


from django.urls import path
from . import views


urlpatterns = [
    path("",views.main_website_page,name="main_website_page"),
    path("courses",views.all_courses_page,name="all_courses"),

    #need to implement
    path("courses/enrolled",views.my_courses_page,name="all_courses"), #my courses
    path("courses/enrolled/<int:id>",views.my_courses_page,name="all_courses"), #spesefic course preview
    path("courses/semester/<int:semester>",views.my_courses_page,name="all_courses"), #my courses
    path("courses/author/<slug:slug>",views.my_courses_page,name="all_courses"), #my courses
    path("courses/<int:id>",views.course_page,name="course_page"), #spesefic course
    path("courses/<int:course_id>/lectures/<int:lecture_id>",views.course_page,name="course_page"), #spesefic lecture in a course
    #need to implement



    path("register",views.register,name="register"),
    path("login",views.login_page,name="login"),
    path("logout",views.logoutUser,name="logout"),

]