Wei's Windows & Doors
A comprehensive web application that digitized traditional business workflows, transforming them into a full-stack digital platform for customer management, scheduling, order processing, and administrative operations.
Technical Architecture
Frontend
- • Next.js 15 with App Router
- • React 19 with TypeScript
- • Tailwind CSS with Chakra UI
- • Responsive design optimized for mobile
Backend
- • Supabase (PostgreSQL) with RLS
- • Supabase Auth with email-based admin auth
- • Resend API for transactional emails
- • Vercel deployment with environment config
Core Features
Customer Portal
- • User registration with email verification
- • Multi-address management system
- • Interactive consultation scheduling with calendar integration
- • Real-time status tracking for consultations and tickets
- • Ticket claiming and payment processing
- • Mobile-responsive design for field operations
Administrative Dashboard
- • Comprehensive user management system
- • Consultation approval workflow with status transitions
- • Calendar view with color-coded consultation management
- • Ticket generation and payment tracking system
- • Order management with automatic numbering
- • Professional invoice generation with diagram creation
Business Process Automation
- • Email automation for confirmations, invoices, and welcome messages
- • Automatic ticket expiration system
- • Payment processing with partial/full payment support
- • Order creation workflow with external system integration
- • Real-time status updates across all business processes
Technical Achievements
Security Implementation
- • Email-based admin authorization system
- • Row-Level Security (RLS) policies for data isolation
- • Secure credential management for non-email users
- • Input validation and sanitization throughout
Testing Infrastructure
- • Comprehensive tests covering unit, workflow, and E2E scenarios
- • Mock database operations for reliable testing
- • Business logic validation across complete user journeys
- • Automated testing for critical payment and data integrity workflows
Business Impact
Transformed traditional business operations into a digital platform that:
- • Streamlines customer onboarding and consultation booking
- • Automates administrative workflows and reduces manual errors
- • Provides real-time visibility into business operations
- • Enables professional communication and invoice generation
- • Supports multiple payment methods and transaction tracking
- • Maintains data integrity and security across all operations