FEAT: 상황에 따른 에러 핸들링 #16
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| // | ||
| // Error.swift | ||
| // 24HANE | ||
| // | ||
| // Created by Katherine JANG on 5/10/24. | ||
| // | ||
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| import Foundation | ||
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| enum CustomError: Error { | ||
| case tokenExpired | ||
| case wrongQueryType | ||
| case networkDisconnected | ||
| case unAuthorized | ||
| case internalServer | ||
| case responseBodyEmpty | ||
| case decodeFailed | ||
| case invalidURL | ||
| case unknownError(String) | ||
| case none | ||
| } | ||
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| extension CustomError: LocalizedError { | ||
| public var errorDescription: String? { | ||
| switch self { | ||
| case .tokenExpired: | ||
| return "사용자 토큰이 만료되었습니다" | ||
| case .wrongQueryType: | ||
| return "잘못된 요청입니다" | ||
| case .networkDisconnected: | ||
| return "네트워크 상태가 원활하지 않습니다" | ||
| case .unAuthorized: | ||
| return "알 수 없는 사용자입니다" | ||
| case .internalServer: | ||
| return "서버 에러 발생" | ||
| case .responseBodyEmpty: | ||
| return "내부 에러 발생" | ||
| case .decodeFailed: | ||
| return "내부 에러 발생" | ||
| case .invalidURL: | ||
| return "잘못된 접근입니다" | ||
| case .unknownError: | ||
| return "원인을 알 수 없는 에러 발생" | ||
| case .none: | ||
| return nil | ||
| } | ||
| } | ||
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| public var recoverySuggestion: String? { | ||
| switch self { | ||
| case .tokenExpired: | ||
| return "다시 로그인해주세요" | ||
| case .wrongQueryType: | ||
| return "다시 시도해주세요" | ||
| case .networkDisconnected: | ||
| return "Wi-Fi 혹은 데이터 확인 후 다시 시도해주세요" | ||
| case .unAuthorized: | ||
| return "로그인 정보를 다시 확인해주세요" | ||
| case .internalServer: | ||
| return "개발팀에게 문의해주세요" | ||
| case .responseBodyEmpty: | ||
| return "개발팀에게 문의해주세요" | ||
| case .decodeFailed: | ||
| return "개발팀에게 문의해주세요" | ||
| case .invalidURL: | ||
| return "개발팀에게 문의해주세요" | ||
| case .unknownError: | ||
| return "개발팀에게 문의해주세요" | ||
| case .none: | ||
| return nil | ||
| } | ||
| } | ||
| } | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| // | ||
| // ErrorHandler.swift | ||
| // 24HANE | ||
| // | ||
| // Created by Katherine JANG on 5/10/24. | ||
| // | ||
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| import Foundation | ||
| import SwiftUI | ||
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| class ErrorHandler: ObservableObject { | ||
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| static let shared = ErrorHandler() | ||
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| var errorType: CustomError = .none | ||
| var occurredError: Error? = nil | ||
| @Published var showAlert: Bool = false | ||
| @Published var signInRequired: Bool = false | ||
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| private init() { } | ||
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| func errorFromHttpRequest(_ statusCode: Int?) throws { | ||
| switch statusCode { | ||
| case 400: | ||
| throw CustomError.wrongQueryType | ||
| case 401: | ||
| throw CustomError.unAuthorized | ||
| case 500: | ||
| throw CustomError.internalServer | ||
| default: | ||
| throw CustomError.unknownError("\(statusCode)") | ||
| } | ||
| } | ||
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| @MainActor | ||
| func updateErrorView() { | ||
| switch self.errorType { | ||
| case .tokenExpired, .unAuthorized: | ||
| self.signInRequired = true | ||
| case .wrongQueryType, .networkDisconnected, .internalServer, .responseBodyEmpty, | ||
| .decodeFailed, .unknownError, .invalidURL: | ||
| self.showAlert = true | ||
| case .none: | ||
| break | ||
| } | ||
| } | ||
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| func verifyError(_ error: Error) async { | ||
| switch error { | ||
| case DecodingError.dataCorrupted: | ||
| self.errorType = .decodeFailed | ||
| case URLError.timedOut: | ||
| self.errorType = .networkDisconnected | ||
| case URLError.networkConnectionLost: | ||
| self.errorType = .networkDisconnected | ||
| case is CustomError: | ||
| self.errorType = error as? CustomError ?? .none | ||
| default: | ||
| self.errorType = .unknownError(error.localizedDescription.description) | ||
| } | ||
| } | ||
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There was a problem hiding this comment. 이 코드가 클라이언트 에러를 구분하는 책임을 맡은 만큼 함수 이름에서도 errorFromHttpRequest처럼 그 부분이 보였으면 좋겠습니다. |
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| @MainActor | ||
| func handleError(_ error: Error) { | ||
| Task { | ||
| await self.verifyError(error) | ||
| self.updateErrorView() | ||
| } | ||
| } | ||
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| } | ||
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만약 좀 더 발전시킨다면 에러가 일어나면 개발진 슬랙이나 이메일, 구글 스프레드에 바로 올려버리는 것도 좋아보이네요