Added comments

Author: kudoleh

ExampleMVVM/Data/PersistentStorages/CoreDataStorage/CoreDataStorage.swift

@@ -22,8 +22,8 @@ final class CoreDataStorage {
         let container = NSPersistentContainer(name: "CoreDataStorage")
         container.loadPersistentStores { _, error in
             if let error = error as NSError? {
-                // Log to Crashlytics
-                debugPrint("CoreDataStorage Unresolved error \(error), \(error.userInfo)")
+                // TODO: - Log to Crashlytics
+                assertionFailure("CoreDataStorage Unresolved error \(error), \(error.userInfo)")
             }
         }
         return container
@@ -36,8 +36,8 @@ final class CoreDataStorage {
             do {
                 try context.save()
             } catch {
-                // Log to Crashlytics
-                debugPrint("CoreDataStorage Unresolved error \(error), \((error as NSError).userInfo)")
+                // TODO: - Log to Crashlytics
+                assertionFailure("CoreDataStorage Unresolved error \(error), \((error as NSError).userInfo)")
             }
         }
     }

ExampleMVVM/Data/PersistentStorages/MoviesResponseStorage/CoreDataMoviesResponseStorage.swift

@@ -62,7 +62,7 @@ extension CoreDataMoviesResponseStorage: MoviesResponseStorage {
 
                 try context.save()
             } catch {
-                // Log to Crashlytics
+                // TODO: - Log to Crashlytics
                 debugPrint("CoreDataMoviesResponseStorage Unresolved error \(error), \((error as NSError).userInfo)")
             }
         }

ExampleMVVM/Presentation/MoviesScene/MoviesList/View/MoviesListTableView/MoviesListTableViewController.swift

@@ -55,7 +55,8 @@ extension MoviesListTableViewController {
 
     override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
         guard let cell = tableView.dequeueReusableCell(withIdentifier: MoviesListItemCell.reuseIdentifier, for: indexPath) as? MoviesListItemCell else {
-            fatalError("Cannot dequeue reusable cell \(MoviesListItemCell.self) with reuseIdentifier: \(MoviesListItemCell.reuseIdentifier)")
+            assertionFailure("Cannot dequeue reusable cell \(MoviesListItemCell.self) with reuseIdentifier: \(MoviesListItemCell.reuseIdentifier)")
+            return .init()
         }
 
         cell.fill(with: items[indexPath.row],

ExampleMVVM/Presentation/Utils/Extensions/UIViewController+AddBehaviors.swift

@@ -5,6 +5,9 @@
 //  Created by Oleh Kudinov on 03/04/2020.
 //
 // View controller lifecycle behaviors https://irace.me/lifecycle-behaviors
+// Behaviors are very useful to reuse logic for cases like Keyboard Behaviour.
+// Where ViewController on didLoad adds behaviour which observes keyboard frame
+// and scrollView content inset changes based on keyboard frame.
 
 import UIKit
 

README.md

@@ -23,6 +23,7 @@ iOS Project implemented with Clean Layered Architecture and MVVM. (Can be used a
 * [Flow Coordinator](ExampleMVVM/Presentation/MoviesScene/Flows/MoviesSearchFlowCoordinator.swift)
 * [Data Transfer Object (DTO)](https://github.com/kudoleh/iOS-Clean-Architecture-MVVM/blob/master/ExampleMVVM/Data/Network/DataMapping/MoviesResponseDTO%2BMapping.swift)
 * [Response Data Caching](https://github.com/kudoleh/iOS-Clean-Architecture-MVVM/blob/master/ExampleMVVM/Data/Repositories/DefaultMoviesRepository.swift)
+* [ViewController Lifecycle Behavior](https://github.com/kudoleh/iOS-Clean-Architecture-MVVM/blob/1fdcee6487c5930ff7888096318159a4e6490947/ExampleMVVM/Presentation/Utils/Extensions/UIViewController%2BAddBehaviors.swift#L7)
 * [SwiftUI and UIKit view](ExampleMVVM/Presentation/MoviesScene/MoviesQueriesList/View/SwiftUI/MoviesQueryListView.swift) implementations by reusing same [ViewModel](ExampleMVVM/Presentation/MoviesScene/MoviesQueriesList/ViewModel/MoviesQueryListViewModel.swift) (at least Xcode 11 required)
 * Error handling examples: in [ViewModel](https://github.com/kudoleh/iOS-Clean-Architecture-MVVM/blob/201de7759e2d5634e3bb4b5ad524c4242c62b306/ExampleMVVM/Presentation/MoviesScene/MoviesList/ViewModel/MoviesListViewModel.swift#L116), in [Networking](https://github.com/kudoleh/iOS-Clean-Architecture-MVVM/blob/201de7759e2d5634e3bb4b5ad524c4242c62b306/ExampleMVVM/Infrastructure/Network/NetworkService.swift#L84)
 * CI Pipeline ([Travis CI + Fastlane](.travis.yml))