time-tracker/docu/general_overview.md

General Overview

Technology Stack

Backend

• Go with fp-go
• PostgreSQL with ORM (GORM or Bun)
• Swagger/OpenAPI
• JWT-based Authentication

Frontend

• Next.js with fp-ts
• React and Tailwind CSS
• Responsive Webdesign
• Progressive Web App (PWA)

Multi-Tenancy & Roles

• Multi-Tenancy: Isolation of data per company (tenant).
• Roles: Admin, Company-Admin, Manager, Auditor, User.

Data Models

• Company (Tenant)
• User (with roles, hourly rate)
• Customer
• Project (with customer reference)
• Activity (billing rate)
• Booking (time, user, project, activity, optional description, billability 0-100%)

Functional Requirements

Version 1

• Master data management (customers, projects, activities, users)
• Time tracking with start/stop function and parameter inheritance from the last booking
• Clear dashboard with recent bookings and tracker
• Aggregated reports by period, project, customer, employee with PDF export
• Graphical dashboards (diagrams)

Version 2

• Project management with sprints, tasks
• Kanban boards for task management
• Direct linking of tasks with time bookings