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MVVM directory structure for larger project

Published at

1/15/2025

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pheak_pheasa

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MVVM directory structure for larger project

Key Additions:
1. Modularization: Break the app into separate modules (e.g., UserModule, ProductModule) to improve scalability and collaboration in large teams.
2. DependencyInjection: Using DI frameworks (like Swinject) to handle dependencies across the app, improving testability and flexibility.
3. Managers: More specific app-wide managers like PushNotificationManager, AnalyticsManager for cross-functional management.
4. Tests: Better structured tests with different types of testing (e.g., unit tests, UI tests, integration tests).
5. Documentation: More extensive documentation covering architecture, APIs, and other design considerations.

MyApp/
│
├── Models/                        # Data models representing app entities
│   ├── User.swift
│   ├── Product.swift
│   └── ...
│
├── Views/                         # UI components (Views)
│   ├── MainView.swift
│   ├── UserView.swift
│   ├── ProductView.swift
│   └── ...
│
├── ViewModels/                    # ViewModels responsible for data-binding and logic
│   ├── MainViewModel.swift
│   ├── UserViewModel.swift
│   ├── ProductViewModel.swift
│   └── ...
│
├── Services/                      # Layer for API calls, data handling, etc.
│   ├── NetworkService.swift
│   ├── AuthService.swift
│   ├── ImageService.swift
│   └── ...
│
├── Persistence/                   # Local data storage, CoreData, SQLite, etc.
│   ├── CoreDataManager.swift
│   ├── DatabaseMigration.swift
│   └── PersistenceService.swift
│
├── Helpers/                       # Reusable utilities or helper methods
│   ├── Extensions/
│   ├── DateFormatterHelper.swift
│   ├── NetworkingHelper.swift
│   └── ...
│
├── Resources/                     # Images, JSON, etc.
│   ├── Images/
│   ├── Localizations/
│   ├── Fonts/
│   └── ...
│
├── Supporting Files/              # Configurations, AppDelegate, SceneDelegate, etc.
│   ├── AppDelegate.swift
│   ├── SceneDelegate.swift
│   ├── Info.plist
│   └── Assets.xcassets
│
├── UI/                            # UI-specific components (e.g., custom buttons, loaders)
│   ├── CustomButton.swift
│   ├── LoadingIndicator.swift
│   ├── CustomView.swift
│   └── ...
│
├── Coordinators/                  # Responsible for navigation flow
│   ├── MainCoordinator.swift
│   ├── UserCoordinator.swift
│   └── FlowCoordinator.swift
│
├── Network/                       # Network layer, handling API calls, caching, etc.
│   ├── APIClient.swift
│   ├── APIConstants.swift
│   ├── ResponseHandler.swift
│   └── ...
│
├── Managers/                      # Handles app-wide management logic
│   ├── SessionManager.swift
│   ├── PushNotificationManager.swift
│   └── AnalyticsManager.swift
│
├── Utils/                         # Miscellaneous utilities
│   ├── AppUtils.swift
│   └── Logging.swift
│
├── Modularization/                # For large projects, consider splitting into modules
│   ├── UserModule/                # Example of separate feature module
│   │   ├── UserModels/
│   │   ├── UserViews/
│   │   ├── UserViewModels/
│   │   ├── UserServices/
│   │   └── UserCoordinator.swift
│   └── ProductModule/             # Another example
│       ├── ProductModels/
│       ├── ProductViews/
│       ├── ProductViewModels/
│       ├── ProductServices/
│       └── ProductCoordinator.swift
│
├── DependencyInjection/           # Dependency Injection setup (e.g., using Swinject)
│   ├── DIContainer.swift
│   ├── ServicesAssembly.swift
│   └── ViewModelsAssembly.swift
│
├── Tests/                          # Unit and UI tests
│   ├── ViewModelsTests/
│   ├── ServicesTests/
│   ├── PersistenceTests/
│   ├── UITests/
│   └── ...
│
└── Documentation/                 # Project-related documentation
    ├── README.md
    ├── API_Documentation.md
    └── Architecture.md

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