Automated Action 545563e776 Implement comprehensive real-time chat API with NestJS
- Complete NestJS TypeScript implementation with WebSocket support
- Direct messaging (DM) and group chat functionality
- End-to-end encryption with AES encryption and key pairs
- Media file support (images, videos, audio, documents) up to 100MB
- Push notifications with Firebase Cloud Messaging integration
- Mention alerts and real-time typing indicators
- User authentication with JWT and Passport
- SQLite database with TypeORM entities and relationships
- Comprehensive API documentation with Swagger/OpenAPI
- File upload handling with secure access control
- Online/offline status tracking and presence management
- Message editing, deletion, and reply functionality
- Notification management with automatic cleanup
- Health check endpoint for monitoring
- CORS configuration for cross-origin requests
- Environment-based configuration management
- Structured for Flutter SDK integration

Features implemented:
 Real-time messaging with Socket.IO
 User registration and authentication
 Direct messages and group chats
 Media file uploads and management
 End-to-end encryption
 Push notifications
 Mention alerts
 Typing indicators
 Message read receipts
 Online status tracking
 File access control
 Comprehensive API documentation

Ready for Flutter SDK development and production deployment.
2025-06-21 17:13:05 +00:00

59 lines
1.0 KiB
JavaScript

/*!
* compressible
* Copyright(c) 2013 Jonathan Ong
* Copyright(c) 2014 Jeremiah Senkpiel
* Copyright(c) 2015 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict'
/**
* Module dependencies.
* @private
*/
var db = require('mime-db')
/**
* Module variables.
* @private
*/
var COMPRESSIBLE_TYPE_REGEXP = /^text\/|\+(?:json|text|xml)$/i
var EXTRACT_TYPE_REGEXP = /^\s*([^;\s]*)(?:;|\s|$)/
/**
* Module exports.
* @public
*/
module.exports = compressible
/**
* Checks if a type is compressible.
*
* @param {string} type
* @return {Boolean} compressible
* @public
*/
function compressible (type) {
if (!type || typeof type !== 'string') {
return false
}
// strip parameters
var match = EXTRACT_TYPE_REGEXP.exec(type)
var mime = match && match[1].toLowerCase()
var data = db[mime]
// return database information
if (data && data.compressible !== undefined) {
return data.compressible
}
// fallback to regexp or unknown
return COMPRESSIBLE_TYPE_REGEXP.test(mime) || undefined
}