diff --git a/LAB4/LAB4/__init__.py b/LAB4/LAB4/__init__.py
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diff --git a/LAB4/LAB4/asgi.py b/LAB4/LAB4/asgi.py
new file mode 100644
index 00000000..10d559d8
--- /dev/null
+++ b/LAB4/LAB4/asgi.py
@@ -0,0 +1,16 @@
+"""
+ASGI config for LAB4 project.
+
+It exposes the ASGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/4.0/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'LAB4.settings')
+
+application = get_asgi_application()
diff --git a/LAB4/LAB4/settings.py b/LAB4/LAB4/settings.py
new file mode 100644
index 00000000..9f5476ff
--- /dev/null
+++ b/LAB4/LAB4/settings.py
@@ -0,0 +1,125 @@
+"""
+Django settings for LAB4 project.
+
+Generated by 'django-admin startproject' using Django 4.0.6.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/4.0/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/4.0/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/4.0/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = 'django-insecure-ts05**w9$68e^qmf&tt-l&ys%jr6&nz=dvl_9or6pxfa9peo9k'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = []
+
+
+# Application definition
+
+INSTALLED_APPS = [
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    'rest_framework',
+    'orm'
+]
+
+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 = 'LAB4.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        '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 = 'LAB4.wsgi.application'
+
+
+# Database
+# https://docs.djangoproject.com/en/4.0/ref/settings/#databases
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': BASE_DIR / 'db.sqlite3',
+    }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/4.0/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/4.0/topics/i18n/
+
+LANGUAGE_CODE = 'en-us'
+
+TIME_ZONE = 'UTC'
+
+USE_I18N = True
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/4.0/howto/static-files/
+
+STATIC_URL = 'static/'
+
+# Default primary key field type
+# https://docs.djangoproject.com/en/4.0/ref/settings/#default-auto-field
+
+DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
diff --git a/LAB4/LAB4/urls.py b/LAB4/LAB4/urls.py
new file mode 100644
index 00000000..b9ef90e4
--- /dev/null
+++ b/LAB4/LAB4/urls.py
@@ -0,0 +1,23 @@
+"""LAB4 URL Configuration
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/4.0/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  path('', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.urls import include, path
+    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
+"""
+from django.contrib import admin
+from django.urls import path, include
+
+
+urlpatterns = [
+    path('admin/', admin.site.urls),
+    path('brand/', include('orm.urls'))
+]
diff --git a/LAB4/LAB4/wsgi.py b/LAB4/LAB4/wsgi.py
new file mode 100644
index 00000000..68bbdb37
--- /dev/null
+++ b/LAB4/LAB4/wsgi.py
@@ -0,0 +1,16 @@
+"""
+WSGI config for LAB4 project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/4.0/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'LAB4.settings')
+
+application = get_wsgi_application()
diff --git a/LAB4/db.sqlite3 b/LAB4/db.sqlite3
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diff --git a/LAB4/manage.py b/LAB4/manage.py
new file mode 100644
index 00000000..9e123e7a
--- /dev/null
+++ b/LAB4/manage.py
@@ -0,0 +1,22 @@
+#!/usr/bin/env python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+
+def main():
+    """Run administrative tasks."""
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'LAB4.settings')
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/LAB4/orm/__init__.py b/LAB4/orm/__init__.py
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diff --git a/LAB4/orm/__pycache__/views.cpython-310.pyc b/LAB4/orm/__pycache__/views.cpython-310.pyc
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diff --git a/LAB4/orm/admin.py b/LAB4/orm/admin.py
new file mode 100644
index 00000000..8c38f3f3
--- /dev/null
+++ b/LAB4/orm/admin.py
@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.
diff --git a/LAB4/orm/apps.py b/LAB4/orm/apps.py
new file mode 100644
index 00000000..54bea84e
--- /dev/null
+++ b/LAB4/orm/apps.py
@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class OrmConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'orm'
diff --git a/LAB4/orm/migrations/0001_initial.py b/LAB4/orm/migrations/0001_initial.py
new file mode 100644
index 00000000..c1a52708
--- /dev/null
+++ b/LAB4/orm/migrations/0001_initial.py
@@ -0,0 +1,38 @@
+# Generated by Django 4.0.6 on 2022-07-31 16:18
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Brand',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=50)),
+                ('description', models.TextField()),
+                ('established_at', models.DateField()),
+                ('city', models.CharField(max_length=50)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Product',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=40)),
+                ('description', models.TextField()),
+                ('image_url', models.URLField()),
+                ('price', models.FloatField()),
+                ('quantity', models.IntegerField()),
+                ('is_active', models.BooleanField()),
+                ('brand', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='orm.brand')),
+            ],
+        ),
+    ]
diff --git a/LAB4/orm/migrations/__init__.py b/LAB4/orm/migrations/__init__.py
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index 00000000..e69de29b
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diff --git a/LAB4/orm/models.py b/LAB4/orm/models.py
new file mode 100644
index 00000000..06e5949d
--- /dev/null
+++ b/LAB4/orm/models.py
@@ -0,0 +1,20 @@
+from django.db import models
+
+
+# Create your models here.
+
+class Brand(models.Model):
+    title = models.CharField(max_length=50)
+    description = models.TextField()
+    established_at = models.DateField()
+    city = models.CharField(max_length=50)
+
+
+class Product(models.Model):
+    brand = models.ForeignKey(Brand, on_delete=models.CASCADE)
+    name = models.CharField(max_length=40)
+    description = models.TextField()
+    image_url = models.URLField()
+    price = models.FloatField()
+    quantity = models.IntegerField()
+    is_active = models.BooleanField()
diff --git a/LAB4/orm/serializers.py b/LAB4/orm/serializers.py
new file mode 100644
index 00000000..ee1fd348
--- /dev/null
+++ b/LAB4/orm/serializers.py
@@ -0,0 +1,19 @@
+from dataclasses import field, fields
+from rest_framework import serializers
+
+from .models import Brand, Product
+
+
+class BrandSerializer(serializers.ModelSerializer):
+
+    class Meta:
+        model = Brand
+        fields = '__all__'
+
+
+class ProductSerializer(serializers.ModelSerializer):
+
+    class Meta:
+        model = Product
+        fields = '__all__'
+
diff --git a/LAB4/orm/tests.py b/LAB4/orm/tests.py
new file mode 100644
index 00000000..7ce503c2
--- /dev/null
+++ b/LAB4/orm/tests.py
@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.
diff --git a/LAB4/orm/urls.py b/LAB4/orm/urls.py
new file mode 100644
index 00000000..e37c0495
--- /dev/null
+++ b/LAB4/orm/urls.py
@@ -0,0 +1,17 @@
+from django.urls import path
+from . import views
+
+app_name = 'orm'
+
+urlpatterns = [
+    path('add/', views.add_brand, name='add_brand'),
+    path('list/', views.list_brand, name='list_brand'),
+    path('update/<brand_id>/', views.update_brand, name='update_brand'),
+    path('delete/<brand_id>/', views.remove_brand , name='remove_brand'),
+    path('search/', views.search_brand, name='search_brand'),
+    path('products/add/', views.add_product, name='add_product'),
+    path('products/list/', views.list_product, name='list_products'),
+    path('products/update/<product_id>/', views.update_product, name='update_product'),
+    path('products/delete/<product_id>/', views.delete_product, name='delete_product'),
+    path('products/specified_list/', views.list_products_of_brand, name='list products of brand')
+]
\ No newline at end of file
diff --git a/LAB4/orm/views.py b/LAB4/orm/views.py
new file mode 100644
index 00000000..1b2105a5
--- /dev/null
+++ b/LAB4/orm/views.py
@@ -0,0 +1,168 @@
+from turtle import title
+from django.urls import is_valid_path
+from rest_framework.decorators import api_view
+from rest_framework.request import Request
+from rest_framework.response import Response
+from .models import Brand, Product
+from .serializers import BrandSerializer, ProductSerializer
+from rest_framework import status
+
+# Create your views here.
+
+                       # ------------------- CRUD Process For Brand ----------------------- #
+
+# ----------------------- Add Brand ---------------------------#
+
+@api_view(['POST'])
+def add_brand(request : Request):
+    
+    brand_serializer = BrandSerializer(data=request.data)
+
+    if brand_serializer.is_valid():
+        brand_serializer.save()
+    else:
+        return Response({'msg' : 'could not add a brand', 'errors': brand_serializer.errors}, status=status.HTTP_403_FORBIDDEN)
+    
+
+    return Response({'msg' : 'brand added successfully!'}, status=status.HTTP_201_CREATED)
+
+# ---------------------------- List All Brands ------------------- #
+
+@api_view(['GET'])
+def list_brand(request: Request):
+
+    skip = int(request.query_params.get('skip',0))
+    get = int(request.query_params.get('get', 3))
+    
+    brands = Brand.objects.all()
+    brands_list = BrandSerializer(instance=brands, many=True).data[skip:get] #.data to convert object of serializer to json obj.
+    
+    return Response({'msg' : 'List of all brands!', 'brands' : brands_list})
+
+# ------------------------ Update a Brand ---------------------- #
+
+@api_view(['PUT'])
+def update_brand(request: Request, brand_id):
+
+    try:
+        brand = Brand.objects.get(id=brand_id)
+    except Exception as e:
+        return Response({'msg' : 'brand not found'}, status=status.HTTP_404_NOT_FOUND)
+
+    brand_updated = BrandSerializer(instance=brand, data=request.data)
+
+    if brand_updated.is_valid():
+        brand_updated.save()
+    else:
+        return Response({'msg' : 'could not update a brand!', 'errors': BrandSerializer.errors}, status=status.HTTP_403_FORBIDDEN)
+    
+    return Response({'msg' : 'a brand updated successfully!'}, status=status.HTTP_202_ACCEPTED)
+
+# ---------------------------- Delete a Brand ------------------- #
+
+@api_view(['DELETE'])
+def remove_brand(request: Request, brand_id):
+    
+    try:
+        brand = Brand.objects.get(id=brand_id)
+        brand.delete()
+    except Exception as e:
+        return Response({'msg' : 'could not find a brand!'}, status=status.HTTP_404_NOT_FOUND)
+
+    
+    return Response({'msg' : 'brand deleted successfully!'}, status=status.HTTP_302_FOUND)
+
+@api_view(['GET'])
+def search_brand(request: Request):
+    
+    if 'search' in request.query_params:
+        search_phrase = request.query_params['search']
+        brand = Brand.objects.filter(title__contains=search_phrase).all()
+        
+    else:
+        return Response({'msg' : 'No brand found!'})
+
+    brand_found = BrandSerializer(instance=brand, many=True).data
+    
+    return Response({'msg': 'Brand found!', 'brand' : brand_found})
+
+
+
+
+                         #--------------------------- CRUD Process For Product ----------------- #
+
+# ---------------------------- Add Product --------------------------- #
+
+@api_view(['POST'])
+def add_product(request: Request):
+    
+    product_serializer = ProductSerializer(data=request.data)
+
+    if product_serializer.is_valid():
+        product_serializer.save()
+    else:
+        return Response({'msg' : 'could not add a product', 'errors': ProductSerializer.errors}, status=status.HTTP_403_FORBIDDEN)
+    
+    return Response({'msg': 'product added successfully!'}, status=status.HTTP_201_CREATED)
+
+# ------------------------------ List All Products ------------------------ #
+
+@api_view(['GET'])
+def list_product(request: Request):
+
+    skip = int(request.query_params.get('skip',0))
+    get = int(request.query_params.get('get', 3))
+    
+    products = Product.objects.all()
+    product_list = ProductSerializer(instance=products, many=True).data[skip:get] #.data to convert list of Serializer obj to JSON obj
+
+    return Response({'msg' : 'List of products', 'products': product_list}, status=status.HTTP_200_OK)
+
+# --------------------------- Update a Product -------------------------- #
+
+@api_view(['PUT'])
+def update_product(request: Request, product_id):
+    
+    try:
+        product = Product.objects.get(id=product_id)
+    except Exception as e:
+        return Response({'msg' : 'could not find a product1'}, status=status.HTTP_404_NOT_FOUND)
+    
+    product_updated = ProductSerializer(instance=product, data=request.data)
+
+    if product_updated.is_valid():
+        product_updated.save()
+    else:
+        return Response({'msg' : 'could not update a product!', 'errors' : ProductSerializer.errors}, status=status.HTTP_403_FORBIDDEN)
+    
+    return Response({'msg' : 'product updated successfully!'}, status=status.HTTP_202_ACCEPTED)
+
+
+# -------------------------- Delete a product ----------------------- #
+
+@api_view(['DELETE'])
+def delete_product(request: Request, product_id):
+    
+    try:
+        product = Product.objects.get(id=product_id)
+        product.delete()
+    except Exception as e:
+        return Response({'msg' : 'could not find a product'}, status=status.HTTP_404_NOT_FOUND)
+    
+    return Response({'msg' : 'product deleted successfull!'}, status=status.HTTP_202_ACCEPTED)
+
+@api_view(['GET'])
+def list_products_of_brand(request: Request):
+
+    if 'search' in request.query_params:
+        search_id = int(request.query_params.get('search'))
+        all_products = Product.objects.filter(brand_id=search_id)
+    else:
+        return Response({'msg' : 'No products found for this brand!'})# This doesn't appear when there are no products in a given brand
+    
+    products = ProductSerializer(instance=all_products, many=True).data
+
+    return Response({'msg': 'list products of specific brand', 'products': products})
+
+
+