2020-08-03 15:20:51 +00:00
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// Copyright © 2020 Metabolist. All rights reserved.
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import Combine
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2020-09-05 02:31:43 +00:00
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import Foundation
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2020-08-30 23:33:11 +00:00
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import Mastodon
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2020-08-31 18:57:02 +00:00
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import ServiceLayer
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2020-08-03 15:20:51 +00:00
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2020-09-09 23:00:10 +00:00
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public final class NavigationViewModel: ObservableObject {
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2020-09-09 22:48:56 +00:00
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public let identification: Identification
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2020-09-01 07:33:49 +00:00
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@Published public private(set) var recentIdentities = [Identity]()
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2020-10-29 01:55:34 +00:00
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@Published public var timeline: Timeline {
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didSet {
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timelineViewModel = CollectionItemsViewModel(
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collectionService: identification.service.service(timeline: timeline),
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identification: identification)
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}
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}
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2020-09-09 05:40:49 +00:00
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@Published public private(set) var timelinesAndLists: [Timeline]
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2020-09-01 07:33:49 +00:00
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@Published public var presentingSecondaryNavigation = false
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2020-12-06 03:10:27 +00:00
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@Published public var presentingNewStatus = false
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2020-09-01 07:33:49 +00:00
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@Published public var alertItem: AlertItem?
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2020-10-29 01:55:34 +00:00
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public private(set) var timelineViewModel: CollectionItemsViewModel
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2020-08-03 15:20:51 +00:00
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2020-10-30 07:11:24 +00:00
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public var notificationsViewModel: CollectionViewModel? {
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if identification.identity.authenticated {
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if _notificationsViewModel == nil {
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_notificationsViewModel = CollectionItemsViewModel(
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collectionService: identification.service.notificationsService(),
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identification: identification)
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2020-11-09 00:34:59 +00:00
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_notificationsViewModel?.request(maxId: nil, minId: nil)
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2020-10-30 07:11:24 +00:00
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}
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return _notificationsViewModel
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} else {
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return nil
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}
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}
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2020-10-29 06:03:45 +00:00
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public var conversationsViewModel: CollectionViewModel? {
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if identification.identity.authenticated {
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if _conversationsViewModel == nil {
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_conversationsViewModel = CollectionItemsViewModel(
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collectionService: identification.service.conversationsService(),
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identification: identification)
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2020-11-09 00:34:59 +00:00
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_conversationsViewModel?.request(maxId: nil, minId: nil)
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2020-10-29 06:03:45 +00:00
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}
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return _conversationsViewModel
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} else {
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return nil
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}
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}
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2020-10-30 07:11:24 +00:00
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private var _notificationsViewModel: CollectionViewModel?
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private var _conversationsViewModel: CollectionViewModel?
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2020-08-03 15:20:51 +00:00
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private var cancellables = Set<AnyCancellable>()
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2020-09-08 02:12:38 +00:00
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public init(identification: Identification) {
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self.identification = identification
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2020-10-29 01:55:34 +00:00
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let timeline: Timeline = identification.identity.authenticated ? .home : .local
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self.timeline = timeline
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timelineViewModel = CollectionItemsViewModel(
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collectionService: identification.service.service(timeline: timeline),
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identification: identification)
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2020-09-10 04:26:13 +00:00
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timelinesAndLists = identification.identity.authenticated
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? Timeline.authenticatedDefaults
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: Timeline.unauthenticatedDefaults
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2020-08-03 15:20:51 +00:00
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2020-09-09 22:48:56 +00:00
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identification.$identity
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.sink { [weak self] _ in self?.objectWillChange.send() }
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.store(in: &cancellables)
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2020-10-06 20:44:22 +00:00
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identification.service.recentIdentitiesPublisher()
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2020-08-05 11:48:50 +00:00
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.assignErrorsToAlertItem(to: \.alertItem, on: self)
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.assign(to: &$recentIdentities)
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2020-08-29 03:50:58 +00:00
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2020-09-10 04:26:13 +00:00
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if identification.identity.authenticated {
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2020-10-06 20:44:22 +00:00
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identification.service.listsPublisher()
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.map { Timeline.authenticatedDefaults + $0 }
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.assignErrorsToAlertItem(to: \.alertItem, on: self)
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.assign(to: &$timelinesAndLists)
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}
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}
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}
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2020-09-09 23:00:10 +00:00
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public extension NavigationViewModel {
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var tabs: [Tab] {
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if identification.identity.authenticated {
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return Tab.allCases
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} else {
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return [.timelines, .explore]
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}
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}
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2020-08-29 00:06:09 +00:00
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var timelineSubtitle: String {
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switch timeline {
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2020-12-03 20:41:28 +00:00
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case .home, .favorites, .bookmarks, .list:
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2020-09-09 22:48:56 +00:00
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return identification.identity.handle
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2020-12-03 20:41:28 +00:00
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case .local, .federated, .tag, .profile:
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return identification.identity.instance?.uri ?? ""
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}
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}
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func refreshIdentity() {
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2020-09-13 08:03:08 +00:00
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if identification.identity.pending {
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identification.service.verifyCredentials()
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.collect()
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.map { _ in () }
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.flatMap(identification.service.confirmIdentity)
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.sink { _ in } receiveValue: { _ in }
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.store(in: &cancellables)
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} else if identification.identity.authenticated {
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2020-09-08 02:12:38 +00:00
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identification.service.verifyCredentials()
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2020-08-03 15:20:51 +00:00
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.assignErrorsToAlertItem(to: \.alertItem, on: self)
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2020-08-26 09:19:38 +00:00
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.sink { _ in }
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2020-08-03 15:20:51 +00:00
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.store(in: &cancellables)
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2020-09-08 02:12:38 +00:00
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identification.service.refreshLists()
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2020-09-13 08:03:08 +00:00
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.sink { _ in } receiveValue: { _ in }
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2020-08-29 03:50:58 +00:00
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.store(in: &cancellables)
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2020-09-08 02:12:38 +00:00
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identification.service.refreshFilters()
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2020-09-13 08:03:08 +00:00
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.sink { _ in } receiveValue: { _ in }
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2020-08-29 10:26:26 +00:00
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.store(in: &cancellables)
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2020-09-09 22:48:56 +00:00
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if identification.identity.preferences.useServerPostingReadingPreferences {
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2020-09-08 02:12:38 +00:00
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identification.service.refreshServerPreferences()
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2020-09-13 08:03:08 +00:00
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.sink { _ in } receiveValue: { _ in }
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2020-08-07 10:14:14 +00:00
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.store(in: &cancellables)
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}
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2020-08-03 15:20:51 +00:00
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}
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2020-09-08 02:12:38 +00:00
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identification.service.refreshInstance()
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2020-09-13 08:03:08 +00:00
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.sink { _ in } receiveValue: { _ in }
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2020-08-03 15:20:51 +00:00
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.store(in: &cancellables)
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}
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}
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2020-09-09 23:00:10 +00:00
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public extension NavigationViewModel {
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enum Tab: CaseIterable {
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case timelines
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case explore
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2020-08-03 15:20:51 +00:00
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case notifications
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case messages
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}
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2020-12-01 03:07:38 +00:00
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func favoritesViewModel() -> CollectionViewModel {
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CollectionItemsViewModel(
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collectionService: identification.service.service(timeline: .favorites),
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identification: identification)
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}
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2020-12-01 18:40:19 +00:00
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func bookmarksViewModel() -> CollectionViewModel {
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CollectionItemsViewModel(
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collectionService: identification.service.service(timeline: .bookmarks),
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identification: identification)
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}
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2020-08-03 15:20:51 +00:00
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}
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2020-09-09 23:00:10 +00:00
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extension NavigationViewModel.Tab: Identifiable {
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2020-09-01 07:33:49 +00:00
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public var id: Self { self }
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2020-08-03 15:20:51 +00:00
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}
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