[Framework] Feed item view in the Feed framework (#10)

This PR contains the work done to implement the `FeedItemViewController` view controller, that shows in details a selected review from the `FeedListViewController` view controller.

Reviewed-on: rock-n-code/app-reviews#10
Co-authored-by: Javier Cicchelli <javier@rock-n-code.com>
Co-committed-by: Javier Cicchelli <javier@rock-n-code.com>

Libraries/UI/Kit/Sources/Components/FakeLabel.swift

@@ -0,0 +1,95 @@
+//
+//  FakeLabel.swift
+//  ReviewsUIKit
+//
+//  Created by Javier Cicchelli on 20/03/2024.
+//  Copyright © 2024 Röck+Cöde. All rights reserved.
+//
+
+import ReviewsFoundationKit
+import SwiftUI
+
+public struct FakeLabel: View {
+    
+    // MARK: Constants
+    private let systemIcon: String
+    private let title: String
+    
+    // MARK: Initialisers
+    public init(
+        systemIcon: String,
+        title: String
+    ) {
+        self.systemIcon = systemIcon
+        self.title = title
+    }
+    
+    // MARK: Body
+    public var body: some View {
+        HStack(
+            alignment: .bottom,
+            spacing: 8
+        ) {
+            iconOrQuestionMark
+            
+            Text(titleOrDash)
+                .font(.body)
+        }
+    }
+    
+}
+
+// MARK: - Helpers
+private extension FakeLabel {
+    
+    // MARK: Computed
+    var iconOrQuestionMark: Image {
+        .init(systemName: systemIcon.isEmpty
+              ? .Icon.questionMark
+              : systemIcon
+        )
+    }
+
+    var titleOrDash: String {
+        title.isEmpty
+            ? .Title.none
+            : title
+    }
+    
+}
+
+// MARK: - String+Constants
+private extension String {
+    enum Title {
+        static let none = "-"
+    }
+}
+
+// MARK: - Previews
+#Preview("Fake Label with system icon and title") {
+    FakeLabel(
+        systemIcon: .Icon.person,
+        title: "Some title goes here..."
+    )
+}
+
+#Preview("Fake Label with empty system icon and title") {
+    FakeLabel(
+        systemIcon: .empty,
+        title: "Some title goes here..."
+    )
+}
+
+#Preview("Fake Label with system icon and empty title") {
+    FakeLabel(
+        systemIcon: .Icon.person,
+        title: .empty
+    )
+}
+
+#Preview("Fake Label with both empty system icon and title") {
+    FakeLabel(
+        systemIcon: .empty,
+        title: .empty
+    )
+}

Libraries/UI/Kit/Sources/Components/StarRating.swift

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+//
+//  StarRating.swift
+//  ReviewsUIKit
+//
+//  Created by Javier Cicchelli on 19/03/2024.
+//  Copyright © 2024 Röck+Cöde. All rights reserved.
+//
+
+import SwiftUI
+
+public struct StarRating: View {
+    
+    // MARK: Constants
+    private let rating: Int
+    private let total: Int
+
+    // MARK: Initialisers
+    public init(
+        _ rating: Int,
+        of total: Int
+    ) {
+        self.rating = rating
+        self.total = total
+    }
+
+    // MARK: Body
+    public var body: some View {
+        HStack {
+            ForEach(
+                1...total,
+                id: \.self
+            ) { index in
+                if #available(iOS 15.0, *) {
+                    Image.Icon.star
+                        .symbolVariant(symbolVariant(for: index))
+                } else {
+                    image(for: index)
+                }
+            }
+        }
+    }
+    
+}
+
+// MARK: - Helpers
+private extension StarRating {
+    
+    // MARK: Functions
+    func image(for index: Int) -> Image {
+        index <= rating
+            ? .Icon.starFill
+            : .Icon.star
+    }
+
+    @available(iOS 15.0, *)
+    func symbolVariant(for index: Int) -> SymbolVariants {
+        index <= rating
+            ? .fill
+            : .none
+    }
+    
+}
+
+// MARK: - Image+Constants
+private extension Image {
+    enum Icon {
+        static let star: Image = .init(systemName: "star")
+        static let starFill: Image = .init(systemName: "star.fill")
+    }
+}
+
+// MARK: - Previews
+#Preview("Star Rating") {
+    VStack(spacing: 8) {
+        StarRating(1, of: 5)
+        StarRating(2, of: 5)
+        StarRating(3, of: 5)
+        StarRating(4, of: 5)
+        StarRating(5, of: 5)
+    }
+}

Libraries/UI/Kit/Sources/Extensions/String+Icons.swift

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+//
+//  String+Icons.swift
+//  ReviewsUIKit
+//
+//  Created by Javier Cicchelli on 20/03/2024.
+//  Copyright © 2024 Röck+Cöde VoF. All rights reserved.
+//
+
+public extension String {
+    enum Icon {
+        
+        // MARK: Constants
+        static let questionMark = "questionmark.circle.fill"
+        
+        public static let info = "info.circle.fill"
+        public static let person = "person.crop.circle.fill"
+    }
+}