Dear Diary 📝

⚠️ WORK IN PROGRESS: This project is currently under active development and is not yet ready for production use.

🧪 LEARNING PROJECT: This is a testing/learning project built to explore The Composable Architecture (TCA) and modern iOS development practices.

Dear Diary is an iOS application that serves as your personal AI-powered diary companion. Built with SwiftUI and The Composable Architecture (TCA).

Trying to decide how to integrate SwiftData with TCA

Features

• 🤖 AI-powered diary companion
• 🔐 Multiple authentication methods:
  • Email/Password
  • Google Sign-In
  • Apple Sign-In
• 💭 Personalized diary interactions
• 🎨 Clean and modern UI design
• 🏞️ Snapshot Testing

Dependencies

Install external 3rd-party dependencies with Tuist and cache them. Allows for quicker build times. (~50s to ~8s for initial builds)

tuist install
...
tuist cache

Tech Stack

• SwiftUI
• SwiftData
• The Composable Architecture (TCA) 1.15.2
• Firebase Authentication
• Google Sign-In
• Apple Sign-In
• Tuist (Project Generation)
• Moya (Networking) Lighter dependency

Project Structure

DearDiary/
├── Projects/
│ ├── App/ # Main application target
│ ├── Features/ # Feature modules
│ ├── DesignSystem/ # UI components and assets
│ ├── Utility/ # Shared utilities
│ └── ExternalDependencies/ # Third-party dependencies
└── Tuist/ # Tuist configuration and plugins

Requirements

• iOS 18.0+
• Xcode 15.0+
• Tuist 4.27.0
• mise (for tooling version management)

Project Architecture

The project follows a modular architecture using Tuist for project generation and dependency management. It's built using The Composable Architecture (TCA) for state management and follows a feature-first organization approach.

Key Components

• App: Main application target and entry point
• Features: Contains feature modules
• InternalDependencies: Infrastructure management
• DesignSystem: Shared UI components and styling
• ExternalDependencies: Third-party dependency management
• Utility: Shared utilities and helpers