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Code Issues Projects Releases Wiki Activity

Status actions pipeline

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This commit is contained in:
Justin Mazzocchi 2020-09-14 16:32:34 -07:00
parent 56297a643c
commit a595133d70
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GPG key ID: E223E6937AAFB01C
4 changed files with 47 additions and 9 deletions
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15
View Controllers/StatusListViewController.swift
View file

@ -78,6 +78,15 @@ final class StatusListViewController: UITableViewController {
}
.store(in: &cancellables)
viewModel.statusEvents.sink { [weak self] in
switch $0 {
case .ignorableOutput, .statusListNavigation, .urlNavigation: break
case let .share(url):
self?.share(url: url)
}
}
.store(in: &cancellables)
viewModel.$loading
.receive(on: RunLoop.main)
.sink { [weak self] in
@ -146,6 +155,12 @@ extension StatusListViewController: UITableViewDataSourcePrefetching {
}
private extension StatusListViewController {
func share(url: URL) {
let activityViewController = UIActivityViewController(activityItems: [url], applicationActivities: nil)
present(activityViewController, animated: true, completion: nil)
}
func sizeTableHeaderFooterViews() {
// https://useyourloaf.com/blog/variable-height-table-view-header/
if let headerView = tableView.tableHeaderView {

14
ViewModels/Sources/ViewModels/StatusListViewModel.swift
View file

@ -9,15 +9,18 @@ public final class StatusListViewModel: ObservableObject {
@Published public private(set) var statusIDs = [[String]]()
@Published public var alertItem: AlertItem?
@Published public private(set) var loading = false
public let statusEvents: AnyPublisher<StatusViewModel.Event, Never>
public private(set) var maintainScrollPositionOfStatusID: String?
private var statuses = [String: Status]()
private let statusListService: StatusListService
private var statusViewModelCache = [Status: (StatusViewModel, AnyCancellable)]()
private let statusEventsSubject = PassthroughSubject<StatusViewModel.Event, Never>()
private var cancellables = Set<AnyCancellable>()
init(statusListService: StatusListService) {
self.statusListService = statusListService
statusEvents = statusEventsSubject.eraseToAnyPublisher()
statusListService.statusSections
.combineLatest(statusListService.filters.map { $0.regularExpression() })
@ -54,15 +57,16 @@ public extension StatusListViewModel {
guard let status = statuses[id] else { return nil }
var statusViewModel: StatusViewModel
if let cachedViewModel = statusViewModelCache[status]?.0 {
statusViewModel = cachedViewModel
} else {
statusViewModel = StatusViewModel(statusService: statusListService.statusService(status: status))
statusViewModelCache[status] = (statusViewModel, statusViewModel.events
.flatMap { $0 }
.assignErrorsToAlertItem(to: \.alertItem, on: self)
.sink { _ in })
statusViewModelCache[status] = (statusViewModel,
statusViewModel.events
.flatMap { $0 }
.assignErrorsToAlertItem(to: \.alertItem, on: self)
.sink { [weak self] in self?.statusEventsSubject.send($0) })
}
statusViewModel.isContextParent = status.id == statusListService.contextParentID

23
ViewModels/Sources/ViewModels/StatusViewModel.swift
View file

@ -22,10 +22,10 @@ public struct StatusViewModel {
public var isReplyInContext = false
public var hasReplyFollowing = false
public var sensitiveContentToggled = false
public let events: AnyPublisher<AnyPublisher<Never, Error>, Never>
public let events: AnyPublisher<AnyPublisher<Event, Error>, Never>
private let statusService: StatusService
private let eventsInput = PassthroughSubject<AnyPublisher<Never, Error>, Never>()
private let eventsSubject = PassthroughSubject<AnyPublisher<Event, Error>, Never>()
init(statusService: StatusService) {
self.statusService = statusService
@ -45,7 +45,16 @@ public struct StatusViewModel {
.map(AttachmentViewModel.init(attachment:))
pollOptionTitles = statusService.status.displayStatus.poll?.options.map { $0.title } ?? []
pollEmoji = statusService.status.displayStatus.poll?.emojis ?? []
events = eventsInput.eraseToAnyPublisher()
events = eventsSubject.eraseToAnyPublisher()
}
}
public extension StatusViewModel {
enum Event {
case ignorableOutput
case statusListNavigation(StatusListViewModel)
case urlNavigation(URL)
case share(URL)
}
}
@ -108,7 +117,13 @@ public extension StatusViewModel {
}
func toggleFavorited() {
eventsInput.send(statusService.toggleFavorited())
eventsSubject.send(statusService.toggleFavorited().map { _ in Event.ignorableOutput }.eraseToAnyPublisher())
}
func shareStatus() {
guard let url = statusService.status.displayStatus.url else { return }
eventsSubject.send(Just(Event.share(url)).setFailureType(to: Error.self).eraseToAnyPublisher())
}
}

4
Views/Status/StatusView.swift
View file

@ -148,6 +148,10 @@ private extension StatusView {
favoriteButton.addAction(favoriteAction, for: .touchUpInside)
contextParentFavoriteButton.addAction(favoriteAction, for: .touchUpInside)
let shareAction = UIAction { [weak self] _ in self?.statusConfiguration.viewModel.shareStatus() }
shareButton.addAction(shareAction, for: .touchUpInside)
applyStatusConfiguration()
}