45 lines
1.4 KiB
Swift
45 lines
1.4 KiB
Swift
// Copyright © 2020 Metabolist. All rights reserved.
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import Foundation
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import Combine
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class PostingReadingPreferencesViewModel: ObservableObject {
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@Published var preferences: Identity.Preferences
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@Published var alertItem: AlertItem?
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let handle: String
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private let identityService: IdentityService
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private var cancellables = Set<AnyCancellable>()
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init(identityService: IdentityService) {
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self.identityService = identityService
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preferences = identityService.identity.preferences
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handle = identityService.identity.handle
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identityService.$identity.map(\.preferences)
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.dropFirst()
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.removeDuplicates()
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.handleEvents(receiveOutput: { [weak self] in
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if $0.useServerPostingReadingPreferences {
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self?.refreshServerPreferences()
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}
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})
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.assign(to: &$preferences)
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$preferences.dropFirst()
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.flatMap(identityService.updatePreferences)
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.assignErrorsToAlertItem(to: \.alertItem, on: self)
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.sink(receiveValue: {})
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.store(in: &cancellables)
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}
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}
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extension PostingReadingPreferencesViewModel {
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private func refreshServerPreferences() {
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identityService.refreshServerPreferences()
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.assignErrorsToAlertItem(to: \.alertItem, on: self)
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.sink(receiveValue: {})
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.store(in: &cancellables)
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}
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}
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