feat: 5XX 오류시 ErrorViewController를 띄움

Author: hgjwilly-koreatech

Koin/Apps/SceneDelegate.swift

@@ -12,6 +12,11 @@ class SceneDelegate: UIResponder, UIWindowSceneDelegate {
     var window: UIWindow?
     var urlParameters: [String: String]?
 
+    override init() {
+        super.init()
+        NotificationCenter.default.addObserver(self, selector: #selector(presentErrorViewController), name: NSNotification.Name("ServerError"), object: nil)
+    }
+    
     func scene(_ scene: UIScene,
                willConnectTo session: UISceneSession,
                options connectionOptions: UIScene.ConnectionOptions) {
@@ -115,5 +120,18 @@ extension SceneDelegate {
         return viewController
     }
 
-    
+    @objc private func presentErrorViewController() {
+        
+        if let navigationController = window?.rootViewController as? UINavigationController {
+            
+            let homeViewController = makeHomeViewController()
+            let completion: ()->Void = {
+                navigationController.setViewControllers([homeViewController], animated: false)
+            }
+            let errorViewController = ErrorViewController(completion: completion).then {
+                $0.modalPresentationStyle = .fullScreen
+            }
+            navigationController.present(errorViewController, animated: true)
+        }
+    }
 }

Koin/Data/Service/Network/NetworkService.swift

@@ -19,7 +19,9 @@ final class NetworkService {
             .publishData()
             .value()
             .map { _ in }
-            .mapError { $0 as Error }
+            .mapError { error -> Error in
+                self.handleError(error)
+            }
             .eraseToAnyPublisher()
     }
 
@@ -53,9 +55,12 @@ final class NetworkService {
 
     func requestWithResponse<T: Decodable>(api: URLRequestConvertible) -> AnyPublisher<T, Error> {
         return AF.request(api, interceptor: interceptor)
+            .validate()
             .publishDecodable(type: T.self)
             .value()
-            .mapError { $0 as Error }
+            .mapError { error -> Error in
+                self.handleError(error)
+            }
             .eraseToAnyPublisher()
     }
 
@@ -156,8 +161,20 @@ extension NetworkService {
 
     private func handleError(_ error: Error) -> ErrorResponse {
         if let errorResponse = error as? ErrorResponse {
+            if let code = Int(errorResponse.code),
+               500..<600 ~= code {
+                NotificationCenter.default.post(name: NSNotification.Name("ServerError"), object: nil)
+            }
             return errorResponse
         }
         return ErrorResponse(code: "", message: "알 수 없는 에러")
     }
+    
+    private func handleError(_ error: AFError) -> Error {
+        if let code = error.responseCode,
+           500..<600 ~= code {
+            NotificationCenter.default.post(name: NSNotification.Name("ServerError"), object: nil)
+        }
+        return error as Error
+    }
 }