metatext-app-ios-iphone-ipad/Shared/View Models/RootViewModel.swift

83 lines
2.8 KiB
Swift

// Copyright © 2020 Metabolist. All rights reserved.
import Foundation
import Combine
class RootViewModel: ObservableObject {
@Published private(set) var mainNavigationViewModel: MainNavigationViewModel?
// swiftlint:disable weak_delegate
private let appDelegate: AppDelegate
// swiftlint:enable weak_delegate
private let identitiesService: IdentitiesService
private let userNotificationService: UserNotificationService
private var cancellables = Set<AnyCancellable>()
init(appDelegate: AppDelegate,
identitiesService: IdentitiesService,
userNotificationService: UserNotificationService) {
self.appDelegate = appDelegate
self.identitiesService = identitiesService
self.userNotificationService = userNotificationService
newIdentitySelected(id: identitiesService.mostRecentlyUsedIdentityID)
userNotificationService.isAuthorized()
.filter { $0 }
.zip(appDelegate.registerForRemoteNotifications())
.map { $1 }
.flatMap(identitiesService.updatePushSubscriptions(deviceToken:))
.sink { _ in } receiveValue: { _ in }
.store(in: &cancellables)
}
}
extension RootViewModel {
func newIdentitySelected(id: UUID?) {
guard let id = id else {
mainNavigationViewModel = nil
return
}
let identityService: IdentityService
do {
identityService = try identitiesService.identityService(id: id)
} catch {
return
}
identityService.observationErrors
.receive(on: RunLoop.main)
.map { [weak self] _ in self?.identitiesService.mostRecentlyUsedIdentityID }
.sink(receiveValue: newIdentitySelected(id:))
.store(in: &cancellables)
identityService.updateLastUse()
.sink { _ in } receiveValue: { _ in }
.store(in: &cancellables)
userNotificationService.isAuthorized()
.filter { $0 }
.zip(appDelegate.registerForRemoteNotifications())
.filter { identityService.identity.lastRegisteredDeviceToken != $1 }
.map { ($1, identityService.identity.pushSubscriptionAlerts) }
.flatMap(identityService.createPushSubscription(deviceToken:alerts:))
.sink { _ in } receiveValue: { _ in }
.store(in: &cancellables)
mainNavigationViewModel = MainNavigationViewModel(identityService: identityService)
}
func deleteIdentity(_ identity: Identity) {
identitiesService.deleteIdentity(identity)
.sink { _ in } receiveValue: { _ in }
.store(in: &cancellables)
}
func addIdentityViewModel() -> AddIdentityViewModel {
AddIdentityViewModel(identitiesService: identitiesService)
}
}