taler-ios

iOS apps for GNU Taler (wallet)
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WalletBackendError.swift (2128B)

      1 /*
      2  * This file is part of GNU Taler, ©2022-25 Taler Systems S.A.
      3  * See LICENSE.md
      4  */
      5 /**
      6  * @author Marc Stibane
      7  * @author Iván Ávalos
      8  */
      9 import Foundation
     10 import taler_swift
     11 
     12 /// Errors for `WalletBackend`.
     13 enum WalletBackendError: Error {
     14     /// An error that prevented the wallet from being initialized occurred.
     15     case initializationError
     16     case serializationError
     17     case deserializationError
     18     case walletCoreError(WalletBackendResponseError?)
     19 }
     20 
     21 /// Information supplied by the backend describing an error.
     22 struct WalletBackendResponseError: Codable {
     23     /// Numeric error code defined below (-1..-4)
     24     var code: Int
     25     // all other fields are optional:
     26     var when: Timestamp?
     27     /// English description of the error code.
     28     var hint: String?
     29     /// English diagnostic message that can give details for the instance of the error.
     30     var message: String?
     31 
     32 //    var requestUrl: String?
     33 //    var httpStatusCode: Int?
     34 //    var requestMethod: String?
     35 
     36     var errorResponse: TalerErrorDetail?
     37 
     38     var insufficientBalanceDetails: PaymentInsufficientBalanceDetails? = nil
     39 }
     40 
     41 extension WalletCore {
     42     static func serializeRequestError() -> WalletBackendResponseError {
     43         return WalletBackendResponseError(code: -1, when: Timestamp.now(),
     44                                           hint: "Could not serialize request.", message: EMPTYSTRING)
     45     }
     46     
     47     static func parseResponseError() -> WalletBackendResponseError {
     48         return WalletBackendResponseError(code: -2, when: Timestamp.now(),
     49                                           hint: "Could not parse response.", message: EMPTYSTRING)
     50     }
     51     
     52     static func parseFailureError() -> WalletBackendResponseError {
     53         return WalletBackendResponseError(code: -3, when: Timestamp.now(),
     54                                           hint: "Could not parse error detail.", message: EMPTYSTRING)
     55     }
     56 
     57     static func walletError() -> WalletBackendResponseError {
     58         return WalletBackendResponseError(code: -4, when: Timestamp.now(),
     59                                           hint: "Error detail.", message: EMPTYSTRING)
     60     }
     61 }