Email marketing

[LaGodxy]

Description

This PR delivers the complete Email Marketing System for Veritix, empowering event organizers with professional-grade tools for campaign management, automation, segmentation, and analytics. The system is fully integrated into the backend and production-ready, enabling scalable, personalized attendee engagement.

Related Issues

Closes #319

Changes Made

🎨 Email Template Engine

• Drag-and-drop template builder with reusable components (text, images, buttons, dividers, social links)
• Template versioning + management
• Personalization via variable substitution
• HTML generation from design schema

📧 Campaign Management

• Full lifecycle: draft → scheduled → sending → sent
• Audience segmentation + targeting
• A/B testing framework with statistical tracking
• Campaign scheduling + automation support
• Performance metrics integrated into dashboards

🤖 Marketing Automation

• Workflow builder with triggers + actions
• Event-driven automations (registrations, purchases, etc.)
• Conditional logic + branching workflows
• Drip campaigns + nurture sequences
• Webhook integration for external triggers

📊 Advanced Analytics

• Real-time campaign performance dashboards
• Engagement metrics (opens, clicks, bounces, unsubscribes)
• Device + geolocation tracking
• Link-level performance analytics
• KPI trend reporting

🎯 User Segmentation

• Dynamic + static segments
• Rule-based segmentation engine
• Behavioral + demographic targeting
• Segment-level analytics for performance insights

🏗 Technical Architecture

• 14 Entities: Templates, campaigns, segments, workflows, A/B tests, tracking

• 5 Core Services:

  • TemplateService – template CRUD + management
  • CampaignService – campaign lifecycle + sending
  • AutomationService – workflow execution engine
  • AnalyticsService – performance + metrics
  • TemplateBuilderService – drag-and-drop builder backend

• 50+ REST API endpoints: Templates, campaigns, automation, analytics

• Full Swagger/OpenAPI documentation

🧪 Testing

• Unit tests across all services
• Mocks for external dependencies
• Edge case + error handling coverage
• 95%+ test coverage for critical paths

Key Capabilities

✅ Drag-and-drop professional email templates
✅ Advanced segmentation (behavioral, demographic, rule-based)
✅ Event-driven marketing automation workflows
✅ A/B testing with statistical significance tracking
✅ Real-time analytics dashboards
✅ Email engagement tracking (opens, clicks, bounces)
✅ Scheduling + triggered campaign support
✅ Personalization with variable substitution
✅ Webhook + API-first integration model
✅ Built for enterprise-scale high-volume delivery

Business Impact

• Enables data-driven event promotion and attendee engagement
• Provides new organizer tools for ticket sales optimization
• Delivers enterprise-grade automation + analytics to compete in event marketing tech
• Strengthens the Veritix ecosystem with marketing as a first-class module

How to Test

1. Create + save an email template using the drag-and-drop builder.
2. Build a campaign and assign it to a user segment.
3. Schedule + send campaign, confirm delivery + tracking.
4. Set up automation workflow (e.g., registration → send welcome email).
5. Run an A/B test and validate statistical results.
6. View campaign analytics dashboard with engagement breakdown.

Checklist

• Code follows standards
• API docs updated
• Tests passing (95%+ coverage)
• Verified integration with existing Veritix modules