73 lines
2.3 KiB
Swift
73 lines
2.3 KiB
Swift
//
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// PublicTimelineViewController+StatusProvider.swift
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// Mastodon
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//
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// Created by sxiaojian on 2021/1/27.
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//
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import os.log
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import UIKit
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import Combine
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import CoreDataStack
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import MastodonSDK
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// MARK: - StatusProvider
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extension PublicTimelineViewController: StatusProvider {
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func toot() -> Future<Toot?, Never> {
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return Future { promise in promise(.success(nil)) }
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}
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func toot(for cell: UITableViewCell, indexPath: IndexPath?) -> Future<Toot?, Never> {
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return Future { promise in
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guard let diffableDataSource = self.viewModel.diffableDataSource else {
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assertionFailure()
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promise(.success(nil))
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return
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}
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guard let indexPath = indexPath ?? self.tableView.indexPath(for: cell),
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let item = diffableDataSource.itemIdentifier(for: indexPath) else {
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promise(.success(nil))
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return
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}
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switch item {
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case .toot(let objectID, _):
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let managedObjectContext = self.viewModel.fetchedResultsController.managedObjectContext
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managedObjectContext.perform {
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let toot = managedObjectContext.object(with: objectID) as? Toot
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promise(.success(toot))
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}
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default:
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promise(.success(nil))
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}
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}
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}
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func toot(for cell: UICollectionViewCell) -> Future<Toot?, Never> {
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return Future { promise in promise(.success(nil)) }
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}
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var tableViewDiffableDataSource: UITableViewDiffableDataSource<StatusSection, Item>? {
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return viewModel.diffableDataSource
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}
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func item(for cell: UITableViewCell, indexPath: IndexPath?) -> Future<Item?, Never> {
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return Future { promise in
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guard let diffableDataSource = self.viewModel.diffableDataSource else {
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assertionFailure()
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promise(.success(nil))
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return
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}
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guard let indexPath = indexPath ?? self.tableView.indexPath(for: cell),
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let item = diffableDataSource.itemIdentifier(for: indexPath) else {
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promise(.success(nil))
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return
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}
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promise(.success(item))
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}
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}
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}
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