[Framework] Feed Item coordinator (#17)

This PR contains the work done to implement the `FeedItemCoordinator` coordinator in the `Feed` framework.

Reviewed-on: rock-n-code/app-reviews#17
Co-authored-by: Javier Cicchelli <javier@rock-n-code.com>
Co-committed-by: Javier Cicchelli <javier@rock-n-code.com>

Frameworks/Feed/Bundle/Sources/Logic/Models/Review.swift

@@ -8,7 +8,7 @@
 
 import Foundation
 
-struct Review {
+public struct Review {
     
     // MARK: Constants
     let author: String

Frameworks/Feed/Bundle/Sources/Logic/Structs/FeedListConfiguration.swift

@@ -0,0 +1,29 @@
+//
+//  FeedListConfiguration.swift
+//  ReviewsFeed
+//
+//  Created by Javier Cicchelli on 21/03/2024.
+//  Copyright © 2024 Röck+Cöde. All rights reserved.
+//
+
+import Foundation
+
+public struct FeedListConfiguration {
+    
+    // MARK: Constants
+    let appID: String
+    let countryCode: String
+    let session: URLSessionConfiguration
+    
+    // MARK: Initialisers
+    public init(
+        appID: String = "474495017",
+        countryCode: String = "nl",
+        session: URLSessionConfiguration = .ephemeral
+    ) {
+        self.appID = appID
+        self.countryCode = countryCode
+        self.session = session
+    }
+    
+}

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

@@ -13,11 +13,8 @@ import ReviewsiTunesKit
 extension FeedListViewController {
     final class ViewModel: ObservableObject {
         
-        // MARK: Type aliases
-        typealias Configuration = FeedListViewController.Configuration
-        
         // MARK: Constants
-        private let configuration: Configuration
+        private let configuration: FeedListConfiguration
         
         private let filterWords: FilterWordsUseCase = .init()
         private let topWords: TopWordsUseCase = .init()
@@ -30,18 +27,24 @@ extension FeedListViewController {
 
         var items: [Review] = []
         var words: [TopWord] = []
-        
+
         private var reviewsAll: [Review] = []
         private var reviewsFiltered: FilteredReviews = [:]
         private var reviewsTopWords: TopWordsReviews = [:]
         
+        private weak var coordination: FeedListCoordination?
+        
         lazy private var iTunesService: iTunesService = {
             .init(configuration: .init(session: configuration.session))
         }()
 
         // MARK: Initialisers
-        init(configuration: Configuration = .init()) {
+        init(
+            configuration: FeedListConfiguration = .init(),
+            coordination: FeedListCoordination? = nil
+        ) {
             self.configuration = configuration
+            self.coordination = coordination
         }
         
         // MARK: Computed
@@ -114,6 +117,12 @@ extension FeedListViewController {
                 ? items[index - 1]
                 : items[index]
         }
+        
+        func openItem(at index: Int) {
+            guard let item = item(for: index) else { return }
+            
+            coordination?.open(item)
+        }
 
     }
 }