From 3e70186959d915587e0c62a01a4faca06ca241f0 Mon Sep 17 00:00:00 2001
From: Javier Cicchelli <javier@rock-n-code.com>
Date: Thu, 15 Dec 2022 01:51:21 +0100
Subject: [PATCH] Implemented the MessageView component for the Browse module.

---
 .../Resources/en.lproj/Localizable.strings    |  16 ++-
 .../Browse/UI/Components/MessageView.swift    | 134 ++++++++++++++++++
 2 files changed, 148 insertions(+), 2 deletions(-)
 create mode 100644 Modules/Sources/Browse/UI/Components/MessageView.swift

diff --git a/Modules/Sources/Browse/Resources/en.lproj/Localizable.strings b/Modules/Sources/Browse/Resources/en.lproj/Localizable.strings
index 7eaa1c0..d6f8df1 100644
--- a/Modules/Sources/Browse/Resources/en.lproj/Localizable.strings
+++ b/Modules/Sources/Browse/Resources/en.lproj/Localizable.strings
@@ -6,11 +6,23 @@
   Copyright © 2022 Röck+Cöde. All rights reserved.
 */
 
-// Loading
+// LoadingView
 
 "loading.loading_data.text" = "Loading data\nfrom the API...";
 
-// Browse
+// MessageView
+
+"message.type_no_credentials.text.first" = "No user credentials have been found in your device";
+"message.type_no_credentials.text.second" = "Please login again with your credentials to load this data.";
+"message.type_no_credentials.button.text" = "Log in";
+"message.type_empty.text.first" = "No data has been found for this folder";
+"message.type_empty.text.second" = "Please populate this folder by uploading some file from your device.";
+"message.type_empty.button.text" = "Upload a file";
+"message.type_error.text.first" = "An error occurred while loading this data";
+"message.type_error.text.second" = "Please try loading this data again at a later time.";
+"message.type_error.button.text" = "Try again";
+
+// BrowseView
 
 "browse.toolbar_item.menu.add_actions.text" = "Add file and/or folder";
 "browse.toolbar_item.button.add_folder.text" = "Create a new folder";
diff --git a/Modules/Sources/Browse/UI/Components/MessageView.swift b/Modules/Sources/Browse/UI/Components/MessageView.swift
new file mode 100644
index 0000000..eaa6356
--- /dev/null
+++ b/Modules/Sources/Browse/UI/Components/MessageView.swift
@@ -0,0 +1,134 @@
+//
+//  MessageView.swift
+//  Browse
+//
+//  Created by Javier Cicchelli on 15/12/2022.
+//  Copyright © 2022 Röck+Cöde. All rights reserved.
+//
+
+import DataModels
+import SwiftUI
+
+struct MessageView: View {
+    
+    // MARK: Properties
+    
+    let type: MessageType
+    let action: ActionClosure
+
+    // MARK: Body
+    
+    var body: some View {
+        VStack(spacing: 72) {
+            Image.warning
+                .resizable()
+                .scaledToFit()
+                .frame(width: 120, height: 120)
+            
+            VStack(spacing: 48) {
+                Text(
+                    type.firstText,
+                    bundle: .module
+                )
+                .font(.title)
+                .fontWeight(.semibold)
+                
+                Text(
+                    type.secondText,
+                    bundle: .module
+                )
+                .font(.title2)
+                .fontWeight(.regular)
+            }
+            .multilineTextAlignment(.center)
+            
+            Button(action: action) {
+                Text(
+                    type.button,
+                    bundle: .module
+                )
+                .font(.body)
+                .foregroundColor(.primary)
+                .frame(maxWidth: .infinity)
+            }
+            .tint(.red)
+            .buttonStyle(.borderedProminent)
+            .buttonBorderShape(.roundedRectangle(radius: 8))
+            .controlSize(.large)
+        }
+        .padding(.horizontal, 48)
+        .ignoresSafeArea()
+    }
+}
+
+// MARK: - Enumerations
+
+extension MessageView {
+    enum MessageType {
+        case noCredentials
+        case empty
+        case error
+    }
+}
+
+private extension MessageView.MessageType {
+    var firstText: LocalizedStringKey {
+        switch self {
+        case .noCredentials:
+            return "message.type_no_credentials.text.first"
+        case .empty:
+            return "message.type_empty.text.first"
+        case .error:
+            return "message.type_error.text.first"
+        }
+    }
+    
+    var secondText: LocalizedStringKey {
+        switch self {
+        case .noCredentials:
+            return "message.type_no_credentials.text.second"
+        case .empty:
+            return "message.type_empty.text.second"
+        case .error:
+            return "message.type_error.text.second"
+        }
+    }
+    
+    var button: LocalizedStringKey {
+        switch self {
+        case .noCredentials:
+            return "message.type_no_credentials.button.text"
+        case .empty:
+            return "message.type_empty.button.text"
+        case .error:
+            return "message.type_error.button.text"
+        }
+    }
+}
+
+// MARK: - Image+Constants
+
+private extension Image {
+    static let warning = Image(systemName: "exclamationmark.circle.fill")
+}
+
+// MARK: - Previews
+
+struct MessageView_Previews: PreviewProvider {
+    static var previews: some View {
+        MessageView(type: .noCredentials) {
+            // action closure.
+        }
+        .previewDisplayName("View of type no credentials")
+        
+        MessageView(type: .empty) {
+            // action closure.
+        }
+        .previewDisplayName("View of type empty")
+        
+        MessageView(type: .error) {
+            // action closure.
+        }
+        .previewDisplayName("View of type error")
+    }
+}