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46 lines
1.6 KiB
Swift
46 lines
1.6 KiB
Swift
// Copyright © 2020 Metabolist. All rights reserved.
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import Combine
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import Foundation
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import Mastodon
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import ServiceLayer
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public final class NotificationTypesPreferencesViewModel: ObservableObject {
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@Published public var pushSubscriptionAlerts: PushSubscription.Alerts
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@Published public var alertItem: AlertItem?
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private let identification: Identification
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private var cancellables = Set<AnyCancellable>()
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public init(identification: Identification) {
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self.identification = identification
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pushSubscriptionAlerts = identification.identity.pushSubscriptionAlerts
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identification.$identity
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.map(\.pushSubscriptionAlerts)
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.dropFirst()
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.removeDuplicates()
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.assign(to: &$pushSubscriptionAlerts)
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$pushSubscriptionAlerts
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.dropFirst()
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.removeDuplicates()
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.sink { [weak self] in self?.update(alerts: $0) }
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.store(in: &cancellables)
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}
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}
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private extension NotificationTypesPreferencesViewModel {
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func update(alerts: PushSubscription.Alerts) {
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guard alerts != identification.identity.pushSubscriptionAlerts else { return }
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identification.service.updatePushSubscription(alerts: alerts)
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.sink { [weak self] in
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guard let self = self, case let .failure(error) = $0 else { return }
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self.alertItem = AlertItem(error: error)
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self.pushSubscriptionAlerts = self.identification.identity.pushSubscriptionAlerts
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} receiveValue: { _ in }
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.store(in: &cancellables)
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}
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}
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