Test assignment

04/2020

Requirements

https://gist.github.com/soxjke/2f5e3b1d1b0ca560dbe18df6144195f4

Installation

Run Tons.xcworkspace No additional instalation needed. It's treated as production release. Therefore there is Pods included in that repository.

Features

• Product's list:

  • Shows product's collection(image, name and price)
  • API fetch
  • Paging
  • Selectable. Adds new product into cart. If product already is in the cart increases it's quantity. User is notified by cart's badge that cart is change
  • Image lazy load
  • Image placeholder
  • Abaptable UI

• Cart:

  • Shows cart's items
  • API fetch
  • API update
  • Changes a product's quantity.
  • Removes product from the cart if quantity is zero
  • Resets cart's badge
  • Use identifierForVendor as cart id. Cart DO NOT survive application reinstall. It's simplification coz iOS simulator won't work with DeviceCheck API

• API

  • Cancalable POST requests
  • Pagination
  • Flexible request configuration
  • Flexible host configuration

• Testability

  • Basic preparation for Unit Tests. Model can moved into module. Public protocols presented.

Tech

• [CocoaPods] - Dependency manager
• [Alamofire] - Common networking library. Manage requests and it's canceling
• [AlamofireImage] - Image lazy loading
• [MVC] - Basic Apple's MVC arcitecture has been choosen. It's quite simple and quick solution for that kind of project. NotificationCenter is used as main source of Model->Controller communication. It's old(before SwiftUI) Apple's recomendations. It's implementation should demonstrate basic iOS developing skils.
• [storyboards UI] - The fastest way to implement UI. should demonstrate deep knowlage in impleneting UI with storyboadrs.

Todos

• Unit Tests.
  • Cover model's public protocols ~4h
  • Cover model's internal methods ~4h
  • Cover ViewControllers
  • Run to 100% coverage
• UI
  • Optimistic UI features
  • Empty states
  • Prodgress indication
  • Pull to Refresh
  • Error handling

Spent

• developmention ~13h
• docomentation ~2h