53 lines
1.7 KiB
Swift
53 lines
1.7 KiB
Swift
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// Copyright © 2020 Metabolist. All rights reserved.
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import Foundation
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import Combine
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class IdentityPreferencesViewModel: 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 environment: IdentifiedEnvironment
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private var cancellables = Set<AnyCancellable>()
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init(environment: IdentifiedEnvironment) {
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self.environment = environment
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preferences = environment.identity.preferences
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handle = environment.identity.handle
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environment.$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 $0.shouldUseAnyServerPreferences {
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self?.refreshPreferences()
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}
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})
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.assign(to: &$preferences)
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let id = environment.identity.id
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$preferences.dropFirst()
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.map { ($0, id) }
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.flatMap(environment.appEnvironment.identityDatabase.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 IdentityPreferencesViewModel {
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func refreshPreferences() {
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let id = environment.identity.id
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let capturedPreferences = preferences
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environment.networkClient.request(PreferencesEndpoint.preferences)
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.map { (capturedPreferences.updated(from: $0), id) }
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.flatMap(environment.appEnvironment.identityDatabase.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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