As part of our school project, we created a full-stack coffee delivery app for an existing business. The goal was to build a website where customers can order food online, track their orders, and pay seamlessly. We used a React JS frontend, MongoDB for database management, Express and Node JS for the backend, and Stripe for handling payments. Let’s walk through the main features of the app.

Project Overview:

The app is divided into four main subsystems:

1. Order Management
2. Inventory Management
3. Sales Management
4. User Management

We developed the Frontend (React JS), Admin Panel, and Backend server using Node JS, then deployed the entire application using Render.

Subsystem 1: Order Management

This subsystem allows customers to browse the menu, place orders, and track them in real-time.

Key Features:

1. Manage Products (Admin Panel): Admin can add new products and update the availability of items (e.g., a new smoothie or coffee). These changes reflect on the customer-facing menu instantly.

2. Order Placement: Customers can add products to their cart, choose between delivery or pick-up, and proceed to checkout. They can log in before completing the order.

1. Payment Integration (via Stripe and GCash): Customers can pay via credit card through the Stripe API or using GCash by scanning a QR code. After payment, the order is processed.

1. Order Tracking: Customers can track their order status (e.g., "Brewing your coffee" or "Out for delivery"). They can cancel an order if it’s still in the early stages.

2. Order Status Update (Admin/Employee Panel):
   
   Admins and employees can update the order status—marking it as "brewing," "out for delivery," or "ready for pick-up."

Subsystem 2: Inventory Management

This subsystem tracks stock levels and manages ingredient supplies to ensure smooth operations.

Key Features:

• Manage Ingredients: Admins can add, edit, or delete ingredients and supplies used in products.
• Stock Management: Track stock in and out, and get alerts when the stock is low. This ensures that the kitchen never runs out of key ingredients.

Subsystem 3: Sales Management

This subsystem helps monitor sales and track revenue.

Key Features:

• Sales Reports: Admins can generate sales reports, choose a date range, and export the data to a PDF for financial analysis. ---

Subsystem 4: User Management

This subsystem handles customer registration, login, and employee role management.

Key Features:

1. Customer Accounts:
   
   Customers can create an account, log in, and view their order history. They can also reset their password if they forget it.

2. Employee Accounts:
   
   Admins can create employee accounts with role-based access (e.g., rider, cashier, manager) to ensure the right people can access the necessary system features.

Technology Stack:

• Frontend: React JS for a dynamic and responsive user interface.
• Backend: Node.js and Express to handle server-side logic and API requests.
• Database: MongoDB for storing user data, orders, and inventory.
• Payment Gateway: Stripe API for processing credit card payments and GCash integration for mobile wallet payments.
• Deployment: Render for hosting the entire app.

Challenges & Learning Points:

• State Management in React: Using React Context and useState to manage the state across different components was essential, especially for handling cart details and order statuses.
• Real-Time Updates: Integrating WebSocket or Socket.io to provide real-time updates for order tracking was crucial.
• Payment Integration: The process of integrating Stripe and GCash required careful attention to security and handling payment flows correctly.

Conclusion:

This project helped us understand how to integrate different technologies into a full-stack application. It was an amazing learning experience, as we worked with everything from the frontend to the backend and managed the deployment process. Building a food delivery app also gave us insights into practical business workflows, such as order management, inventory tracking, and sales reporting.

If you're interested in building a similar project or just want to learn more about full-stack development, feel free to ask any questions in the comments!

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