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76 lines
2.3 KiB
Swift
76 lines
2.3 KiB
Swift
//
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// Copyright 2021 New Vector Ltd
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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 Combine
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import SwiftUI
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typealias AuthenticationQRLoginScanViewModelType = StateStoreViewModel<AuthenticationQRLoginScanViewState, AuthenticationQRLoginScanViewAction>
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class AuthenticationQRLoginScanViewModel: AuthenticationQRLoginScanViewModelType, AuthenticationQRLoginScanViewModelProtocol {
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// MARK: - Properties
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// MARK: Private
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private let qrLoginService: QRLoginServiceProtocol
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// MARK: Public
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var callback: ((AuthenticationQRLoginScanViewModelResult) -> Void)?
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// MARK: - Setup
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init(qrLoginService: QRLoginServiceProtocol) {
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self.qrLoginService = qrLoginService
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super.init(initialViewState: .init(canShowDisplayQRButton: qrLoginService.canDisplayQR(),
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serviceState: .initial))
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qrLoginService.callbacks.sink { callback in
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switch callback {
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case .didUpdateState:
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self.processServiceState(qrLoginService.state)
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case .didScanQR(let data):
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self.callback?(.qrScanned(data))
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}
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}
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.store(in: &cancellables)
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processServiceState(qrLoginService.state)
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qrLoginService.startScanning()
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}
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// MARK: - Public
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override func process(viewAction: AuthenticationQRLoginScanViewAction) {
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switch viewAction {
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case .goToSettings:
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callback?(.goToSettings)
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case .displayQR:
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callback?(.displayQR)
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}
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}
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// MARK: - Private
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private func processServiceState(_ state: QRLoginServiceState) {
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switch state {
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case .scanningQR:
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self.state.scannerView = qrLoginService.scannerView()
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default:
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break
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}
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self.state.serviceState = state
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}
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}
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