Calendar Application

A desktop calendar application with Go backend and Qt C++ frontend. The system provides functionality for event management, notifications, chats, and file handling.

Project Architecture

Backend Services

• API Server (Go) - main REST API server
• Notifier (Go) - notification service
• PostgreSQL - primary data storage
• MongoDB - storage for chats and messages
• MinIO - object storage for files and attachments
• RabbitMQ - message broker for asynchronous tasks

Frontend

• Qt C++ - desktop client application

API Endpoints

Users (/users)

• POST /users/login - user authentication
• POST /users/register - user registration
• POST /users/{uid}/update - update user data
• POST /users/{uid}/changepass - change password
• GET /users/{uid}/profile - get user profile

Events (/events)

• POST /events/add - create event
• GET /events/{uid}/month - get events by month
• GET /events/{uid}/week - get events by week
• GET /events/{uid}/day - get events by day
• DELETE /events/{uid}/delete - delete event
• POST /events/update - update event
• POST /events/{eventID}/{uid} - change participant status
• GET /events/{eventID}/parts - get event participants
• GET /events/{uid} - get all user events
• POST /events/{eventID}/notify - configure notifications
• GET /events/one/{eventID} - get specific event

Chats (/chats)

• POST /chats/{eventID} - send message
• GET /chats/{eventID} - get chat messages

Attachments (/attachs)

• POST /attachs/{eventID} - upload file
• GET /attachs/{eventID} - get attachments

Docker Compose Services

• PostgreSQL:14.8
• MongoDB:6.0
• MinIO
• RabbitMQ:3.12
• API Server
• Notifier Service

Core Features

• Event management (create, edit, delete)
• Calendar views (day/week/month)
• Event participants system
• Per-event chat functionality
• File upload and storage
• Notification system
• Authentication and profile management