79 lines
2.2 KiB
Swift
79 lines
2.2 KiB
Swift
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//
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// ReportViewModel.swift
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// Mastodon
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//
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// Created by ihugo on 2021/4/19.
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//
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import Combine
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import CoreData
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import CoreDataStack
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import Foundation
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import GameplayKit
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import MastodonSDK
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import OrderedCollections
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import os.log
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import UIKit
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class ReportViewModel {
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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 user: ManagedObjectRecord<MastodonUser>
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let status: ManagedObjectRecord<Status>?
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let statusFetchedResultsController: StatusFetchedResultsController
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let listBatchFetchViewModel = ListBatchFetchViewModel()
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@Published var selectStatuses = OrderedSet<ManagedObjectRecord<Status>>()
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// output
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var diffableDataSource: UITableViewDiffableDataSource<ReportSection, ReportItem>?
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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.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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@Published var isNextButtonEnabled = false
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init(
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context: AppContext,
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user: ManagedObjectRecord<MastodonUser>,
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status: ManagedObjectRecord<Status>?
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) {
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self.context = context
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self.user = user
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self.status = status
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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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// end init
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if let status = status {
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selectStatuses.append(status)
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}
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context.authenticationService.activeMastodonAuthenticationBox
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.map { $0?.domain }
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.assign(to: \.value, on: statusFetchedResultsController.domain)
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.store(in: &disposeBag)
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$selectStatuses
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.map { statuses -> Bool in
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return status == nil ? !statuses.isEmpty : statuses.count > 1
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}
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.assign(to: &$isNextButtonEnabled)
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}
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}
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