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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public let identityContext: IdentityContext
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public let timelineNavigations: AnyPublisher<Timeline, Never>
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public let followRequestNavigations: AnyPublisher<CollectionViewModel, Never>
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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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@Published public var presentingSecondaryNavigation = false
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@Published public var alertItem: AlertItem?
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private let timelineNavigationsSubject = PassthroughSubject<Timeline, Never>()
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private let followRequestNavigationsSubject = PassthroughSubject<CollectionViewModel, Never>()
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private var cancellables = Set<AnyCancellable>()
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public init(identityContext: IdentityContext) {
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self.identityContext = identityContext
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timelineNavigations = timelineNavigationsSubject.eraseToAnyPublisher()
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followRequestNavigations = followRequestNavigationsSubject.eraseToAnyPublisher()
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identityContext.$identity
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.sink { [weak self] _ in self?.objectWillChange.send() }
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.store(in: &cancellables)
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identityContext.service.recentIdentitiesPublisher()
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2020-08-05 11:48:50 +00:00
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.assignErrorsToAlertItem(to: \.alertItem, on: self)
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.assign(to: &$recentIdentities)
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}
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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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case notifications
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case messages
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}
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2020-09-09 05:40:49 +00:00
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var tabs: [Tab] {
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if identityContext.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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var timelines: [Timeline] {
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if identityContext.identity.authenticated {
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return Timeline.authenticatedDefaults
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} else {
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return Timeline.unauthenticatedDefaults
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}
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}
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func refreshIdentity() {
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if identityContext.identity.pending {
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identityContext.service.verifyCredentials()
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.collect()
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.map { _ in () }
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.flatMap(identityContext.service.confirmIdentity)
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.sink { _ in } receiveValue: { _ in }
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.store(in: &cancellables)
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} else if identityContext.identity.authenticated {
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identityContext.service.verifyCredentials()
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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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.store(in: &cancellables)
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identityContext.service.refreshLists()
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.sink { _ in } receiveValue: { _ in }
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.store(in: &cancellables)
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identityContext.service.refreshFilters()
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.sink { _ in } receiveValue: { _ in }
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.store(in: &cancellables)
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identityContext.service.refreshEmojis()
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.sink { _ in } receiveValue: { _ in }
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.store(in: &cancellables)
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identityContext.service.refreshAnnouncements()
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.sink { _ in } receiveValue: { _ in }
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.store(in: &cancellables)
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2020-08-29 10:26:26 +00:00
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if identityContext.identity.preferences.useServerPostingReadingPreferences {
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identityContext.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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.store(in: &cancellables)
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}
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}
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identityContext.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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2020-12-01 03:07:38 +00:00
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2021-01-21 08:45:09 +00:00
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func navigate(timeline: Timeline) {
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presentingSecondaryNavigation = false
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timelineNavigationsSubject.send(timeline)
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2020-12-01 03:07:38 +00:00
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}
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2020-12-01 18:40:19 +00:00
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2021-01-26 06:57:44 +00:00
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func navigateToFollowerRequests() {
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let followRequestsViewModel = CollectionItemsViewModel(
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collectionService: identityContext.service.service(
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accountList: .followRequests,
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titleComponents: ["follow-requests"]),
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identityContext: identityContext)
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presentingSecondaryNavigation = false
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followRequestNavigationsSubject.send(followRequestsViewModel)
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}
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func viewModel(timeline: Timeline) -> CollectionItemsViewModel {
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CollectionItemsViewModel(
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collectionService: identityContext.service.service(timeline: timeline),
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identityContext: identityContext)
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2020-12-01 18:40:19 +00:00
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}
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2021-01-27 22:23:52 +00:00
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func exploreViewModel() -> ExploreViewModel {
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let exploreViewModel = ExploreViewModel(
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service: identityContext.service.exploreService(),
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identityContext: identityContext)
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// TODO: initial request
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return exploreViewModel
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}
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2021-01-26 02:10:24 +00:00
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func notificationsViewModel(excludeTypes: Set<MastodonNotification.NotificationType>) -> CollectionItemsViewModel {
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let viewModel = CollectionItemsViewModel(
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collectionService: identityContext.service.notificationsService(excludeTypes: excludeTypes),
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identityContext: identityContext)
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viewModel.request(maxId: nil, minId: nil, search: nil)
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return viewModel
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}
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func conversationsViewModel() -> CollectionViewModel {
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let conversationsViewModel = CollectionItemsViewModel(
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collectionService: identityContext.service.conversationsService(),
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identityContext: identityContext)
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conversationsViewModel.request(maxId: nil, minId: nil, search: nil)
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return conversationsViewModel
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}
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2020-08-03 15:20:51 +00:00
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}
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