59 lines
1.9 KiB
Swift
59 lines
1.9 KiB
Swift
//
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// BookmarkViewModel.swift
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// Mastodon
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//
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// Created by ProtoLimit on 2022-07-19.
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//
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import UIKit
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import Combine
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import CoreData
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import CoreDataStack
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import GameplayKit
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final class BookmarkViewModel {
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var disposeBag = Set<AnyCancellable>()
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// input
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let context: AppContext
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let activeMastodonAuthenticationBox: CurrentValueSubject<MastodonAuthenticationBox?, Never>
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let statusFetchedResultsController: StatusFetchedResultsController
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let listBatchFetchViewModel = ListBatchFetchViewModel()
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// output
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var diffableDataSource: UITableViewDiffableDataSource<StatusSection, StatusItem>?
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private(set) lazy var stateMachine: GKStateMachine = {
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let stateMachine = GKStateMachine(states: [
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State.Initial(viewModel: self),
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State.Reloading(viewModel: self),
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State.Fail(viewModel: self),
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State.Idle(viewModel: self),
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State.Loading(viewModel: self),
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State.NoMore(viewModel: self),
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])
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stateMachine.enter(State.Initial.self)
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return stateMachine
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}()
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init(context: AppContext) {
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self.context = context
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self.activeMastodonAuthenticationBox = CurrentValueSubject(context.authenticationService.activeMastodonAuthenticationBox.value)
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self.statusFetchedResultsController = StatusFetchedResultsController(
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managedObjectContext: context.managedObjectContext,
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domain: nil,
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additionalTweetPredicate: nil
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)
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context.authenticationService.activeMastodonAuthenticationBox
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.assign(to: \.value, on: activeMastodonAuthenticationBox)
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.store(in: &disposeBag)
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activeMastodonAuthenticationBox
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.map { $0?.domain }
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.assign(to: \.value, on: statusFetchedResultsController.domain)
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.store(in: &disposeBag)
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}
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}
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