Implemented the FeedViewModel view model in the Feed framework.

Frameworks/Feed/Bundle/Sources/Logic/View Models/FeedViewModel.swift

@@ -7,9 +7,63 @@
 //
 
 import Foundation
+import ReviewsiTunesKit
 
 extension FeedViewController {
     final class ViewModel: ObservableObject {
         
+        // MARK: Constants
+        private let iTunesService: iTunesService
+        
+        // MARK: Properties
+        @Published var loading: Bool = false
+        
+        var items: [Review] = []
+        
+        // MARK: Initialisers
+        init(_ configuration: Configuration = .init()) {
+            self.iTunesService = .init(configuration: .init(
+                session: configuration.session
+            ))
+        }
+        
+        // MARK: Functions
+        func fetch() {
+            Task {
+                loading = true
+                
+                do {
+                    let output = try await iTunesService.getReviews(.init(
+                        appID: "474495017",
+                        countryCode: "nl"
+                    ))
+                    
+                    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
+            }
+        }
+    }
+}
+
+// MARK: - Structs
+extension FeedViewController.ViewModel {
+    struct Configuration {
+        let session: URLSessionConfiguration = .ephemeral
     }
 }

Libraries/iTunes/Kit/Extensions/ServiceConfiguration+Inits.swift

@@ -13,7 +13,7 @@ import ReviewsFeedKit
 extension ServiceConfiguration {
     
     // MARK: Initialisers
-    init(session: URLSessionConfiguration = .ephemeral) {
+    public init(session: URLSessionConfiguration = .ephemeral) {
         self.init(
             host: .iTunes,
             session: session,