metatext/View Models/PostingReadingPreferencesViewModel.swift
2020-08-26 21:04:06 -07:00

30 lines
902 B
Swift

// Copyright © 2020 Metabolist. All rights reserved.
import Foundation
import Combine
class PostingReadingPreferencesViewModel: ObservableObject {
@Published var preferences: Identity.Preferences
@Published var alertItem: AlertItem?
private let identityService: IdentityService
private var cancellables = Set<AnyCancellable>()
init(identityService: IdentityService) {
self.identityService = identityService
preferences = identityService.identity.preferences
identityService.$identity
.map(\.preferences)
.dropFirst()
.removeDuplicates()
.assign(to: &$preferences)
$preferences
.dropFirst()
.flatMap(identityService.updatePreferences)
.assignErrorsToAlertItem(to: \.alertItem, on: self)
.sink { _ in }
.store(in: &cancellables)
}
}