Real-Time Chat App

A lightweight real-time chat application built with SwiftUI, Combine, and WebSocket integration using PieSocket.

Features

• Real-time messaging with socket connection (PieSocket)
• Offline message queuing and automatic retry when the network restored
• Dynamic chat list with unread message counts
• Socket reconnects when the app returns from the background
• Timestamps for each message (formatted display)
• Smart sorting: recent active chats float to the top
• Real-time network monitoring using NWPathMonitor
• Clean MVVM structure using Combine for reactive updates
• Dummy users and quick login options for testing

Technologies

• Swift 5+
• SwiftUI
• Combine
• NWPathMonitor
• PieSocket WebSocket SDK

Setup

1. Clone the repository:

   git clone https://github.com/isandeepj/RealTimeChatApp-SwiftUI.git
   cd RealTimeChat

2. Open in Xcode:

   open RealTimeChat.xcodeproj

3. Build and Run:

   • Select a Simulator or your iOS Device (iOS 17+).
   • Press Cmd + R.

Note: The app connects to PieSocket's WebSocket server for real-time updates. No server setup needed.

Project Structure

• ViewModels/: ChatViewModel manages sockets and chats
• Views/: SwiftUI screens for login, chat list, chat detail
• Models/: User, Chat, Message, Payload structures
• Networking/: PieSocket WebSocket manager abstraction