element-ios/Riot/Modules/KeyVerification/Device/ManuallyVerify/KeyVerificationManuallyVeri...

114 lines
3.6 KiB
Swift

// File created from ScreenTemplate
// $ createScreen.sh KeyVerification/Device/ManuallyVerify KeyVerificationManuallyVerify
/*
Copyright 2020 New Vector Ltd
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import Foundation
enum KeyVerificationManuallyVerifyViewModelError: Error {
case unknown
case deviceNotFound
}
final class KeyVerificationManuallyVerifyViewModel: KeyVerificationManuallyVerifyViewModelType {
// MARK: - Properties
// MARK: Private
private let session: MXSession
private let deviceId: String
private let userId: String
private var currentOperation: MXHTTPOperation?
// MARK: Public
weak var viewDelegate: KeyVerificationManuallyVerifyViewModelViewDelegate?
weak var coordinatorDelegate: KeyVerificationManuallyVerifyViewModelCoordinatorDelegate?
// MARK: - Setup
init(session: MXSession, deviceId: String, userId: String) {
self.session = session
self.deviceId = deviceId
self.userId = userId
}
deinit {
self.cancelOperations()
}
// MARK: - Public
func process(viewAction: KeyVerificationManuallyVerifyViewAction) {
switch viewAction {
case .loadData:
self.loadData()
case .verify:
self.verifyDevice()
case .cancel:
self.cancelOperations()
self.coordinatorDelegate?.keyVerificationManuallyVerifyViewModelDidCancel(self)
}
}
// MARK: - Private
private func loadData() {
guard let deviceInfo = self.session.crypto.device(withDeviceId: self.deviceId, ofUser: self.userId) else {
self.update(viewState: .error(KeyVerificationManuallyVerifyViewModelError.deviceNotFound))
return
}
var deviceKey: String?
if let deviceFingerprint = deviceInfo.fingerprint {
deviceKey = MXTools.addWhiteSpaces(to: deviceFingerprint, every: 4)
}
let viewData = KeyVerificationManuallyVerifyViewData(deviceId: self.deviceId, deviceName: deviceInfo.displayName, deviceKey: deviceKey)
self.update(viewState: .loaded(viewData))
}
private func update(viewState: KeyVerificationManuallyVerifyViewState) {
self.viewDelegate?.keyVerificationManuallyVerifyViewModel(self, didUpdateViewState: viewState)
}
private func verifyDevice() {
self.update(viewState: .loading)
self.session.crypto.setDeviceVerification(.verified, forDevice: self.deviceId, ofUser: self.userId, success: { [weak self] in
guard let self = self else {
return
}
self.coordinatorDelegate?.keyVerificationManuallyVerifyViewModel(self, didVerifiedDeviceWithId: self.deviceId, of: self.userId)
}, failure: { [weak self] (error) in
guard let self = self else {
return
}
let finalError = error ?? KeyVerificationManuallyVerifyViewModelError.unknown
self.update(viewState: .error(finalError))
})
}
private func cancelOperations() {
self.currentOperation?.cancel()
}
}