Business Objective
Core Modules
User Module
Register users
View user details
Link orders to users
Example users:
Karun Kumar – karunkumar02525@gmail.com
Bhanu Priya – priya02525@gmail.com
🌸 Product Module
Manage flower products as
ProductView product list
Update product details
Manage stock
Example products:
Red Rose Bouquet
White Lily
Orchid Flower Box
🛒 Order Module
Place orders
Calculate total amount
Reduce product stock
View user order history
Each order:
Belongs to a user
Contains multiple products
Has status (PLACED)
Application Flow
User registers ↓ User browses products ↓ User selects products & quantity ↓ User places order ↓ Order saved in database ↓ Product stock updated
Design Principles Used
Clean Architecture
Loose Coupling
Single Responsibility Principle
Dependency Inversion
Interface-based services
Technology-agnostic business logic
Backend Project Structure
controller → REST endpoints service → Business logic repository → Data access (MongoDB) model → Domain models
MongoDB is fully hidden behind repository abstractions.
📱 Client UI Overview
The mobile UI represents:
User list
Product list
Cart & order placement
Recent orders
The UI communicates with backend APIs via HTTP.
🧪 Testing & Dummy Data
Dummy users and products are provided
API can be tested using Postman
MongoDB collections:
usersproductsorders
Extensibility
This project can be easily extended with:
JWT authentication
Role-based access (Admin/User)
Cart persistence
Payment gateway
Order status tracking
Notifications
Summary
The Flower Shop Application is:
Simple but realistic
Cleanly architected
Easy to understand
Scalable for future enhancements