56 lines
1.7 KiB
Swift
56 lines
1.7 KiB
Swift
// Copyright © 2020 Metabolist. All rights reserved.
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import Foundation
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import Combine
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import Mastodon
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class ListsViewModel: ObservableObject {
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@Published private(set) var lists = [MastodonList]()
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@Published private(set) var creatingList = false
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@Published var alertItem: AlertItem?
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private let identityService: IdentityService
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private var cancellables = Set<AnyCancellable>()
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init(identityService: IdentityService) {
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self.identityService = identityService
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identityService.listsObservation()
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.map {
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$0.compactMap {
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guard case let .list(list) = $0 else { return nil }
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return list
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}
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}
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.assignErrorsToAlertItem(to: \.alertItem, on: self)
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.assign(to: &$lists)
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}
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}
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extension ListsViewModel {
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func refreshLists() {
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identityService.refreshLists()
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.assignErrorsToAlertItem(to: \.alertItem, on: self)
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.sink { _ in }
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.store(in: &cancellables)
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}
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func createList(title: String) {
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identityService.createList(title: title)
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.assignErrorsToAlertItem(to: \.alertItem, on: self)
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.handleEvents(
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receiveSubscription: { [weak self] _ in self?.creatingList = true },
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receiveCompletion: { [weak self] _ in self?.creatingList = false })
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.sink { _ in }
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.store(in: &cancellables)
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}
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func delete(list: MastodonList) {
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identityService.deleteList(id: list.id)
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.assignErrorsToAlertItem(to: \.alertItem, on: self)
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.sink { _ in }
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.store(in: &cancellables)
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}
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}
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