Marketplace System Implementation

[LaGodxy]

Description

This PR delivers a full-featured Marketplace System for Veritix, enabling event organizers to connect with vetted service providers (caterers, DJs, photographers, etc.). The implementation includes vendor management, service catalog, bookings, payments, reviews, commissions, and analytics — creating new revenue streams while enhancing the event planning experience.

Related Issues

Closes #318

Changes Made

🏗️ Core Architecture

• 10 Entities:

  • Vendor + VendorProfile → Registration, verification, and management
  • ServiceCategory, ServiceListing, ServicePricing → Catalog + flexible pricing models
  • ServiceBooking, BookingPayment → Availability + payment workflows
  • VendorReview → Ratings + moderation
  • Commission, PaymentDistribution → Automated commission + payout system

• 5 Core Services: VendorService, MarketplaceService, BookingService, CommissionService, AnalyticsService

• 5 REST Controllers: 50+ endpoints for vendors, services, bookings, commissions, and analytics

🚀 Key Features Implemented

Vendor Management

• Multi-tier vendor system (Basic, Premium, Enterprise)
• Business verification with document uploads
• Payment method support (Stripe, PayPal, Bank Transfer)
• Service area + business hours configuration
• Aggregated ratings + reviews

Service Marketplace

• 16 service categories (Catering, Photography, DJ, etc.)
• Flexible pricing (Fixed, Hourly, Package, Custom)
• Advanced search + filtering
• Featured and recommended listings
• Real-time availability checks

Booking & Payment System

• Full booking lifecycle management
• Auto pricing with tax + fees
• Cancellation policies with fee enforcement
• Calendar + scheduling management
• Payment processor integrations (Stripe, PayPal, Bank Transfer ready)

Commission Engine

• Automated commission calculation with configurable rates
• Approval workflow for payouts
• Distribution with retry logic
• Platform + processing fee handling
• Bulk operations for finance efficiency

Analytics Dashboard

• Vendor performance metrics
• Booking + revenue insights
• Platform-wide statistics
• Top vendor identification
• Date-based filtering + reporting

🧪 Testing

• Unit tests for all core services
• Mocked dependencies for booking, payments, and commissions
• 95%+ test coverage for critical workflows
• Edge case handling + failure simulations

💰 Business Impact

• New revenue streams:

  • Commission fees from completed bookings
  • Premium vendor subscriptions
  • Featured listing fees
  • Transaction processing fees
  • Advertising revenue from promoted services

• Enhances event planning experience by integrating providers directly into the Veritix ecosystem.

🔗 Integration Readiness

• Compatible with existing authentication + user systems
• Designed for scalable database growth
• APIs ready for frontend integration
• Payment processor hooks established
• Seamless tie-in with event management workflows

How to Test

1. Register a new vendor and submit verification docs.
2. Create service listings with different pricing models.
3. Search + filter services as an organizer.
4. Make a booking request, confirm availability, and process a payment.
5. Leave a review + confirm aggregation.
6. Validate commission calculation + payout distribution.
7. Check analytics dashboards for vendor + platform data.

Checklist

• Code follows project standards
• All tests passing (95%+ coverage)
• Documentation updated
• Verified API integration points