SocialFeedApp

SocialFeedApp is a lightweight iOS application. It showcases a vertically scrollable video feed similar to TikTok or Instagram Reels, where each video is full-screen and autoplayed when visible.

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✅ Assessment Requirements

The app implements the following functionality as outlined in the task:

1. Feed UI

   • Displays a scrollable vertical list of short videos.
   • Videos are loaded from a mock API (videos.json file).
   • Supports pagination: videos are fetched in batches of 20.

2. Each video item includes:

   • 👤 Creator avatar and name (top-left).
   • 🎞️ Autoplaying video (centered and full-screen).
   • 💬 Action buttons (like, dislike, comment) using SF Symbols.
   • 📝 Video description displayed at the bottom.

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🚀 Key Features

• SwiftUI + MVVM + Clean Architecture
  Modular and testable project structure following best practices.

• Swift Concurrency (async/await)
  Ensures smooth UI updates and scalable data loading.

• Clear Namespace Structure
  Organized into API, Domain, and UI layers.

• Local Mock API
  Loads video feed from a videos.json file bundled within the app.

• Unit Testing
  ViewModel and UseCase layers are covered with unit tests using XCTest.

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📱 Requirements

• Swift 5.9 or later
• Xcode 16.0 or later
• iOS 17.0 or later

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📦 Installation

1. Clone the repository:

   git clone git@github.com:usman-pucit/SocialFeedApp.git 
   cd SocialFeedApp

   Or download the ZIP file and extract it manually.

2. Open the project in Xcode:

   open SocialFeedApp.xcodeproj

   (Use SocialFeedApp.xcworkspace instead if you add CocoaPods or SwiftPM later.)

3. Build and run the project using a simulator or real device.

4. Make sure your device or simulator is connected to the internet if you later switch from local to remote video URLs.

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🧪 Testing

Run unit tests by selecting the SocialFeedAppTests scheme and pressing Cmd + U in Xcode.