mirror of
https://github.com/vector-im/element-ios.git
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168 lines
7.5 KiB
Swift
168 lines
7.5 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 SwiftUI
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import Combine
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import CoreLocation
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typealias LocationSharingViewModelType = StateStoreViewModel<LocationSharingViewState,
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Never,
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LocationSharingViewAction>
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class LocationSharingViewModel: LocationSharingViewModelType, LocationSharingViewModelProtocol {
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// MARK: - Properties
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// MARK: Private
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private let locationSharingService: LocationSharingServiceProtocol
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// MARK: Public
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var completion: ((LocationSharingViewModelResult) -> Void)?
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// MARK: - Setup
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init(mapStyleURL: URL, avatarData: AvatarInputProtocol, isLiveLocationSharingEnabled: Bool = false, service: LocationSharingServiceProtocol) {
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self.locationSharingService = service
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let viewState = LocationSharingViewState(mapStyleURL: mapStyleURL,
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userAvatarData: avatarData,
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annotations: [],
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highlightedAnnotation: nil,
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showsUserLocation: true,
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isLiveLocationSharingEnabled: isLiveLocationSharingEnabled)
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super.init(initialViewState: viewState)
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state.errorSubject.sink { [weak self] error in
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guard let self = self else { return }
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self.processError(error)
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}.store(in: &cancellables)
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}
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// MARK: - Public
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override func process(viewAction: LocationSharingViewAction) {
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switch viewAction {
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case .cancel:
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completion?(.cancel)
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case .share:
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// Share current user location
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guard let location = state.bindings.userLocation else {
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processError(.failedLocatingUser)
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return
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}
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completion?(.share(latitude: location.latitude, longitude: location.longitude, coordinateType: .user))
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case .sharePinLocation:
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guard let pinLocation = state.bindings.pinLocation else {
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processError(.failedLocatingUser)
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return
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}
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completion?(.share(latitude: pinLocation.latitude, longitude: pinLocation.longitude, coordinateType: .pin))
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case .goToUserLocation:
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state.showsUserLocation = true
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state.isPinDropSharing = false
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case .startLiveSharing:
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self.startLiveLocationSharing()
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case .shareLiveLocation(let timeout):
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state.bindings.showingTimerSelector = false
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completion?(.shareLiveLocation(timeout: timeout.rawValue))
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case .userDidPan:
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state.showsUserLocation = false
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state.isPinDropSharing = true
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}
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}
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// MARK: - LocationSharingViewModelProtocol
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public func startLoading() {
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state.showLoadingIndicator = true
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}
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func stopLoading(error: LocationSharingAlertType?) {
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state.showLoadingIndicator = false
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if let error = error {
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state.bindings.alertInfo = AlertInfo(id: error,
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title: VectorL10n.locationSharingPostFailureTitle,
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message: VectorL10n.locationSharingPostFailureSubtitle(AppInfo.current.displayName),
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primaryButton: (VectorL10n.ok, nil))
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}
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}
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// MARK: - Private
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private func processError(_ error: LocationSharingViewError) {
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guard state.bindings.alertInfo == nil else {
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return
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}
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let primaryButtonCompletion = { [weak self] () -> Void in
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self?.completion?(.cancel)
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}
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switch error {
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case .failedLoadingMap:
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state.bindings.alertInfo = AlertInfo(id: .mapLoadingError,
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title: VectorL10n.locationSharingLoadingMapErrorTitle(AppInfo.current.displayName),
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primaryButton: (VectorL10n.ok, primaryButtonCompletion))
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case .failedLocatingUser:
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state.bindings.alertInfo = AlertInfo(id: .userLocatingError,
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title: VectorL10n.locationSharingLocatingUserErrorTitle(AppInfo.current.displayName),
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primaryButton: (VectorL10n.ok, primaryButtonCompletion))
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case .invalidLocationAuthorization:
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state.bindings.alertInfo = AlertInfo(id: .authorizationError,
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title: VectorL10n.locationSharingInvalidAuthorizationErrorTitle(AppInfo.current.displayName),
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primaryButton: (VectorL10n.locationSharingInvalidAuthorizationNotNow, primaryButtonCompletion),
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secondaryButton: (VectorL10n.locationSharingInvalidAuthorizationSettings, {
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UIApplication.shared.vc_openSettings()
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}))
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default:
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break
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}
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}
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private func startLiveLocationSharing() {
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self.locationSharingService.requestAuthorization { [weak self] authorizationStatus in
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guard let self = self else {
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return
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}
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switch authorizationStatus {
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case .unknown, .denied:
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// Show error alert
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self.state.bindings.alertInfo = AlertInfo(id: .userLocatingError,
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title: VectorL10n.locationSharingLocatingUserErrorTitle(AppInfo.current.displayName),
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primaryButton: (VectorL10n.ok, { UIApplication.shared.vc_openSettings()
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}))
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case .authorizedInForeground:
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// When user only authorized location in foreground, advize to use background location
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self.state.bindings.alertInfo = AlertInfo(id: .userLocatingError,
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title: VectorL10n.locationSharingAllowBackgroundLocationTitle,
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message: VectorL10n.locationSharingAllowBackgroundLocationMessage,
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primaryButton: (VectorL10n.locationSharingAllowBackgroundLocationCancelAction, { [weak self] in self?.state.bindings.showingTimerSelector = true }),
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secondaryButton: (VectorL10n.locationSharingAllowBackgroundLocationValidateAction, { UIApplication.shared.vc_openSettings() }))
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case .authorizedAlways:
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self.state.bindings.showingTimerSelector = true
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}
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}
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}
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}
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