Tinkoff Messenger

Educational project for Fintech Tinkoff iOS course.

1. Application and ViewController LifeCycle (to run in debug mode (with logs) select TinkoffMessengerDebug scheme, otherwise - TinkoffMessenger scheme)
2. Profile screen UI
3. Chat list and dialogue screen UI via UITableView
4. Memory Management playground (understanding how to work without retain cycles)
5. Read/Write data from files (profile picture, name, description) using GCD and Operation
6. Fetching/Adding data to Firebase, creating new channels
7. Save/Load profile data using CoreData
8. Channel and message caching via CoreData. NSFetchedResultsController - in process
9. Architecture (SOA, MVC) - ?
10. Ability to select avatars from the network via UICollectionView and URLSessionTask
11. SendButton state transition animations. (animation effect with Tinkoff logo during touching the screen in any area - not done)
12. Sorting channels Unit tests via XCTest