[Framework] Feed list view in the Feed framework (#9)

This PR contains the work done to provide the existing `FeedViewController` view controller with real life data by integrating the `iTunesService` service into its view model. In addition, the list item cell has been design has been updated, and re-implemented using the `SwiftUI` framework. Reviewed-on: rock-n-code/app-reviews#9 Co-authored-by: Javier Cicchelli <javier@rock-n-code.com> Co-committed-by: Javier Cicchelli <javier@rock-n-code.com>
2024-03-19 08:31:13 +00:00
parent 26c2c0c581
commit 09df006ab9
16 changed files with 664 additions and 166 deletions
@@ -0,0 +1,69 @@
+//
+//  FeedViewModel.swift
+//  ReviewsFeed
+//
+//  Created by Javier Cicchelli on 18/03/2024.
+//  Copyright © 2024 Röck+Cöde. All rights reserved.
+//
+
+import Foundation
+import ReviewsiTunesKit
+
+extension FeedViewController {
+    final class ViewModel: ObservableObject {
+        
+        // MARK: Type aliases
+        typealias Configuration = FeedViewController.Configuration
+        
+        // MARK: Constants
+        private let configuration: Configuration
+
+        // MARK: Properties
+        @Published var loading: Bool = false
+        
+        var items: [Review] = []
+        
+        // MARK: Initialisers
+        init(configuration: Configuration = .init()) {
+            self.configuration = configuration
+        }
+        
+        // MARK: Computed
+        lazy private var iTunesService: iTunesService = {
+            .init(configuration: .init(session: configuration.session))
+        }()
+        
+        // MARK: Functions
+        func fetch() {
+            Task {
+                loading = true
+                
+                do {
+                    let output = try await iTunesService.getReviews(.init(
+                        appID: configuration.appID,
+                        countryCode: configuration.countryCode
+                    ))
+                    
+                    items = output.reviews
+                        .map { review -> Review in
+                            .init(
+                                author: review.author,
+                                comment: review.content,
+                                id: review.id,
+                                rating: .init(
+                                    stars: review.rating,
+                                    appVersion: review.version
+                                ),
+                                title: review.title
+                            )
+                        }
+                } catch {
+                    // TODO: handle this error gracefully.
+                }
+
+                loading = false
+            }
+        }
+
+    }
+}