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