チャット送信エラー時にダイアログを表示

Seilassist/Sailassist/Chat/View/ChatInputView.swift

@@ -10,7 +10,10 @@ import SwiftUI
 struct ChatInputView: View {
     @EnvironmentObject private var sceneDelegate: SceneDelegate
     @ObservedObject var sessionUploadImage: SessionUploadImage = SessionUploadImage()
+    @ObservedObject var msg = SharingData.message
     @State var inputText = ""
+    @State private var isChatAlert: Bool = false
+    @State private var isPhotAlert: Bool = false
     @State private var selectionValue = 3
     @State var isCamera: Bool = false
     @State var isPhoto: Bool = false
@@ -85,10 +88,7 @@ struct ChatInputView: View {
                 .padding(.leading, 20)
 
                 Button{
-                    isKeyboard = false
-                    let signalRService = SignalR()
-                    signalRService.chatMessage(message: inputText)
-                    inputText = ""
+                    sendChatMessage(message: inputText)
                 } label: {
                     Image("send")
                         .resizable()
@@ -128,8 +128,21 @@ struct ChatInputView: View {
             }
         }
         .frame(maxHeight: 55)
+        .alert("Error", isPresented: $isChatAlert) {
+            Button("OK") {}
+        } message: {
+            Text("The message could not be sent.")
+        }
+        .alert("Error", isPresented: $isPhotAlert) {
+            Button("OK") {}
+        } message: {
+            Text("The Image could not be sent.")
+        }
     }
 
+    /**
+     * イメージレスポンス
+     */
     func responseUploadImage(result: Result<Data, APIError>) {
         print(debug: "calld")
         switch result {
@@ -139,9 +152,32 @@ struct ChatInputView: View {
 
         case .failure(let errorCode):
             print(debug: errorCode)
+            isPhotAlert = true
             break
         }
     }
+
+    /**
+     * チャット送信
+     */
+    func sendChatMessage(message: String) {
+        let signalRService = SignalR()
+        signalRService.chatMessage(message: inputText, completion: responseChatMessage)
+    }
+
+    /**
+     * チャットレスポンス
+     */
+    func responseChatMessage(error: Error?) {
+        if let e = error {
+            print(debug: "Error:\(e)")
+            msg.messages.removeLast()        //最後に追加したメッセージを削除
+            isChatAlert = true
+        } else {
+            isKeyboard = false
+            inputText = ""
+        }
+    }
 }
 
 #Preview {

Seilassist/Sailassist/SailassistApp.swift

@@ -215,7 +215,7 @@ class AppDelegate: NSObject, UIApplicationDelegate ,MSNotificationHubDelegate, M
 class SignalR: NSObject {
     @ObservedObject var msg = SharingData.message
 
-    func chatMessage(message: String) {
+    func chatMessage(message: String, completion: @escaping (_ error: Error?) -> Void) {
         var request = ReqMessage(shipId: Preferences.shipId, messageId: UUID().uuidString.lowercased())
         request.type = 0                    //0:テキスト, 1:スタンプ
         request.time = DateTextLib.Date2ISO8601Text(Date())
@@ -226,15 +226,12 @@ class SignalR: NSObject {
         request.stampId = 0                 //スタンプ番号 0:Fire～
 
         if message != "" {
-            connection!.invoke(method: "chatMessage", request) { error in
-                if let e = error {
-                    print(debug: "Error:\(e)")
-                }
+            connection!.invoke(method: "chatMessage", request, invocationDidComplete: completion)
+
             let ownMsg = ChatMessage(shipId: request.shipId, messageId: request.messageId, type: request.type, time: request.time, location: request.location, from: request.from, message: request.message, stampId: request.stampId, viewer: [])
             self.msg.messages.append(ownMsg)
         }
     }
-    }
 
     func ackMessage(messageId: String) {
         var request = ReqAckMessage(shipId: Preferences.shipId, messageId: messageId)

Seilassist/Sailassist/ServerSession/ServerSession.swift

@@ -106,12 +106,15 @@ class ServerSession{
             do{
                 if error != nil{
 //                    print(debug: "clientError: \(error)")
+                    completion(.failure(.unknown))
                     throw APIError.clientError
                 }
                 guard let indata = data, let inresponse = response as? HTTPURLResponse else {
+                    completion(.failure(.unknown))
                     throw APIError.responseError
                 }
                 if inresponse.statusCode != 200 {
+                    completion(.failure(.unknown))
 //                    let statusCode = inresponse.statusCode
 //                    print(debug: "serverError: \(statusCode)")
                     throw APIError.serverError
@@ -151,12 +154,16 @@ class ServerSession{
             do{
                 if error != nil{
 //                    print(debug: "clientError: \(error)")
+                    completion(.failure(.unknown))
                     throw APIError.clientError
                 }
+
                 guard let indata = data, let inresponse = response as? HTTPURLResponse else {
+                    completion(.failure(.unknown))
                     throw APIError.responseError
                 }
                 if inresponse.statusCode != 200 {
+                    completion(.failure(.unknown))
 //                    let statusCode = inresponse.statusCode
 //                    print(debug: "serverError: \(statusCode)")
                     throw APIError.serverError