NetNewsWire/Frameworks/Account/CloudKit/CloudKitZoneResult.swift

82 lines
2.1 KiB
Swift

//
// CloudKitResult.swift
// Account
//
// Created by Maurice Parker on 3/26/20.
// Copyright © 2020 Ranchero Software, LLC. All rights reserved.
//
import Foundation
import CloudKit
enum CloudKitZoneResult {
case success
case retry(afterSeconds: Double)
case limitExceeded
case changeTokenExpired
case partialFailure(errors: [AnyHashable: CKError])
case serverRecordChanged
case zoneNotFound
case userDeletedZone
case failure(error: Error)
static func resolve(_ error: Error?) -> CloudKitZoneResult {
guard error != nil else { return .success }
guard let ckError = error as? CKError else {
return .failure(error: error!)
}
switch ckError.code {
case .serviceUnavailable, .requestRateLimited, .zoneBusy:
if let retry = ckError.userInfo[CKErrorRetryAfterKey] as? NSNumber {
return .retry(afterSeconds: retry.doubleValue)
} else {
return .failure(error: CloudKitError(ckError))
}
case .zoneNotFound:
return .zoneNotFound
case .userDeletedZone:
return .userDeletedZone
case .changeTokenExpired:
return .changeTokenExpired
case .serverRecordChanged:
return .serverRecordChanged
case .partialFailure:
if let partialErrors = ckError.userInfo[CKPartialErrorsByItemIDKey] as? [AnyHashable: CKError] {
if let zoneResult = anyRequestErrors(partialErrors) {
return zoneResult
} else {
return .partialFailure(errors: partialErrors)
}
} else {
return .failure(error: CloudKitError(ckError))
}
case .limitExceeded:
return .limitExceeded
default:
return .failure(error: CloudKitError(ckError))
}
}
}
private extension CloudKitZoneResult {
static func anyRequestErrors(_ errors: [AnyHashable: CKError]) -> CloudKitZoneResult? {
if errors.values.contains(where: { $0.code == .changeTokenExpired } ) {
return .changeTokenExpired
}
if errors.values.contains(where: { $0.code == .zoneNotFound } ) {
return .zoneNotFound
}
if errors.values.contains(where: { $0.code == .userDeletedZone } ) {
return .userDeletedZone
}
return nil
}
}