📊 Project Overview Deck: Group Villa Booking App
App Name (Placeholder): VillaSplit
Core Features
- Group Booking System: 6-bedroom villa, max 12 guests.
- Shared Invoice System: One invoice with split payment tracking.
- Real-Time Payment Tracking: Invoice updates immediately after each guest payment.
- Automated Notifications: Email all guests on payment events.
- Mobile Interface: iOS and Android apps with seamless UI/UX.
- Admin Dashboard: Manage bookings, payments, user access.
🛠️ System Architecture Overview
Frontend
- React Native (for iOS & Android)
- Responsive UI, real-time feedback, secure login.
Backend
- Node.js with Express.js
- RESTful API for bookings, users, payments, notifications.
- Real-time event handling with Socket.io
Database
- PostgreSQL or MongoDB
- User Profiles
- Booking Groups
- Payment Transactions
- Invoice Status
Cloud Infrastructure
- AWS / GCP / Azure
- EC2 (App Server)
- S3 (Storage)
- SES / SendGrid (Email)
- RDS (Relational DB)
- Lambda Functions (Notifications)
Payment Gateway
- Stripe or PayPal API
- Split billing
- Webhooks for real-time update events
🔁 Flowchart: Group Booking Logic
[Create Booking Group]
↓
[Add Villa Details → # of Guests]
↓
[Generate Shared Invoice w/ Split]
↓
[Guests Receive Invite Link via Email/SMS]
↓
[Each Guest Logs In & Pays Share]
↓
[Backend Receives Payment → Updates Invoice]
↓
[Email Sent to All Guests (Updated Total)]
↓
[Final Payment Made → Booking Confirmed]
🧱 Database Schema (Simplified)
Users Table
- user_id (UUID)
- name
- email
- phone
- password_hash
Bookings Table
- booking_id (UUID)
- villa_id
- group_name
- created_by (user_id)
- status (pending/confirmed)
Guests Table
- guest_id (UUID)
- booking_id (FK)
- user_id (FK)
- amount_due
- amount_paid
- status
Transactions Table
- txn_id
- guest_id (FK)
- amount
- timestamp
- payment_method
⏱️ Project Timeline (Agile, 12 Weeks)
| Week | Milestone |
|---|
| 1 | Requirements, System Architecture |
| 2 | UI/UX Wireframes, Database Design |
| 3-4 | Backend API Development |
| 5-6 | Frontend Development (React Native) |
| 7 | Integration: Frontend ↔ Backend |
| 8 | Stripe Payment Integration |
| 9 | Real-time Notifications via Webhooks/Email |
| 10 | QA Testing, Bug Fixes |
| 11 | Deployment: Staging |
| 12 | Launch to Production (iOS & Android) |
🧠 Software Engineering Design Highlights
- Modular Architecture: Maintainable, scalable services for bookings, users, payments, and notifications.
- Microservices Ready: Option to split payments, emails, user management into separate services later.
- Secure: JWT Auth, 256-bit encryption, payment tokenization.
- Real-time Email Engine: Trigger emails via event listeners (e.g., guest makes payment → event fires → email all).
🧪 Technologies Stack
| Area | Tech Stack |
|---|
| Frontend | React Native, Redux, TailwindCSS |
| Backend | Node.js, Express, Socket.io |
| Database | PostgreSQL / MongoDB |
| Cloud | AWS/GCP, Docker, Terraform (infra) |
| Payments | Stripe or PayPal API |
| Email | SendGrid / AWS SES |
| Versioning | GitHub / GitLab |
| CI/CD | GitHub Actions, Firebase/App Store |
✅ Key Deliverables
- Fully responsive iOS & Android mobile app
- Real-time billing and email system
- Multi-guest shared invoice capability
- Admin dashboard for villa managers (optional v2)
Would you like me to:
- Create a pitch deck presentation (PDF or PowerPoint)?
- Generate UI wireframes or prototypes for mobile design?
- Write sample code for the backend API or front-end components?