Codebase for Preemly Platform at platform.preemly.eu

Preemly

Preemly is an AI-driven event management platform designed to save event teams time, streamline workflows, and deliver advanced tools for organizing events of all sizes.

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🚀 Features

1. AI Assistant – PreemBot

   • Create events by simply chatting with our AI assistant.
   • PreemBot helps you define event details like title, time, venue, and description.

2. Attendance Management

   • QR code-based check-ins for guests.
   • Attendance tracking updated in real-time.

3. Guest Management

   • Bulk upload guests via CSV or manual inputs.
   • Automatically send personalized event tickets with QR codes via email.

4. Customizable Event Posters

   • Upload event posters or use provided templates.

5. Dashboard & Analytics

   • View event stats, guest attendance, and event distribution.
   • Clean, interactive visualizations for better insights.

6. AI-Powered Invoice Analysis

   • Extract data from invoice PDFs automatically.
   • Categorize expenses and generate financial insights.
   • Track budget, analyze spending patterns, and identify cost-saving opportunities.
   • Compare expenses across events for better financial planning.

7. Welcome Screen for Attendees

   • Show personalized welcome messages as attendees arrive.

8. Multi-platform Ready

   • Web-based solution with plans for tablet and mobile support.

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🛠️ Tech Stack

Frontend:

• React.js with TypeScript
• Styled-components
• React-router
• Chart.js (for analytics)

Backend:

• Node.js (Express.js)
• Sequelize ORM with PostgreSQL
• AWS SES / Mailgun (for email delivery)
• OpenAI API (for PreemBot functionality)
• QR Code generation (Node libraries)

AI & Data Processing:

• Python with Flask for invoice analysis API
• CrewAI for orchestrating AI agents
• PyMuPDF for PDF extraction
• OpenAI GPT-4o for advanced text analysis
• LangChain for AI workflow management

Tools & Integrations:

• Auth0 for Authentication
• Mailgun for email services
• AWS for hosting future resources
• Docker-ready (future integration)

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📈 Roadmap

Upcoming Features:

• AI-driven agenda creation.
• Multimodal attendance: Face recognition and fingerprints.
• Event mobile stations for real-time analytics and communication.
• Stripe integration for ticket payments.
• Multi-language support.

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📝 License

This project is licensed under the MIT License.

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🧠 Invoice Analysis System

The AI-powered invoice analysis system helps event managers track and analyze expenses by automatically extracting data from invoice PDFs.

Setup & Running

1. Prerequisites

   • Python 3.8+ with pip
   • Node.js and npm
   • OpenAI API key

2. Installation

   # Install Python dependencies
   pip install -r backend/scripts/requirements.txt
   
   # Set your OpenAI API key
   export OPENAI_API_KEY=your_openai_api_key
   

3. Running the System

   # Start all services with one command
   ./start_invoice_analysis.sh
   

   Or start each component separately:

   # Start the Python API
   ./backend/scripts/run_invoice_api.sh
   
   # Start the Node.js backend
   cd backend && npm run dev
   
   # Start the frontend
   cd frontend && npm run dev
   

4. Using the Feature

   • Navigate to an event in the frontend
   • Go to the Budget & Invoices section
   • Upload a PDF invoice
   • Click "Analyze with AI" on any invoice
   • View the analysis results and budget dashboard