mirror of
https://github.com/vector-im/element-ios.git
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93 lines
3.1 KiB
Swift
93 lines
3.1 KiB
Swift
// File created from ScreenTemplate
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// $ createScreen.sh DeviceVerification/Loading DeviceVerificationDataLoading
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/*
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Copyright 2019 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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final class DeviceVerificationDataLoadingViewModel: DeviceVerificationDataLoadingViewModelType {
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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 otherUserId: String
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private let otherDeviceId: String
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// MARK: Public
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weak var viewDelegate: DeviceVerificationDataLoadingViewModelViewDelegate?
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weak var coordinatorDelegate: DeviceVerificationDataLoadingViewModelCoordinatorDelegate?
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// MARK: - Setup
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init(session: MXSession, otherUserId: String, otherDeviceId: String) {
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self.session = session
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self.otherUserId = otherUserId
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self.otherDeviceId = otherDeviceId
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self.loadData()
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}
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deinit {
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}
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// MARK: - Public
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func process(viewAction: DeviceVerificationDataLoadingViewAction) {
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switch viewAction {
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case .cancel:
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self.coordinatorDelegate?.deviceVerificationDataLoadingViewModelDidCancel(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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self.update(viewState: .loading)
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if let otherUser = self.session.user(withUserId: otherUserId) {
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self.session.crypto?.downloadKeys([self.otherUserId], forceDownload: false, success: { [weak self] (usersDevicesMap) in
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guard let sself = self else {
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return
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}
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sself.update(viewState: .loaded)
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if let otherDevice = usersDevicesMap?.object(forDevice: sself.otherDeviceId, forUser: sself.otherUserId) {
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sself.coordinatorDelegate?.deviceVerificationDataLoadingViewModel(sself, didLoadUser: otherUser, device: otherDevice)
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} else {
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sself.update(viewState: .errorMessage(VectorL10n.deviceVerificationErrorCannotLoadDevice))
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}
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}, failure: { [weak self] (error) in
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guard let sself = self, let error = error else {
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return
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}
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sself.update(viewState: .error(error))
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})
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} else {
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self.update(viewState: .errorMessage(VectorL10n.deviceVerificationErrorCannotLoadDevice))
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}
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}
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private func update(viewState: DeviceVerificationDataLoadingViewState) {
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self.viewDelegate?.deviceVerificationDataLoadingViewModel(self, didUpdateViewState: viewState)
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}
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}
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