45 lines
1.4 KiB
Swift
45 lines
1.4 KiB
Swift
|
//
|
||
|
|
// HomeTimelineViewController+DataSourceProvider.swift
|
||
|
|
// Mastodon
|
||
|
|
//
|
||
|
|
// Created by MainasuK on 2022-1-13.
|
||
|
|
//
|
||
|
|
|
||
|
|
import UIKit
|
||
|
|
|
||
|
|
extension HomeTimelineViewController: DataSourceProvider {
|
||
|
|
func item(from source: DataSourceItem.Source) async -> DataSourceItem? {
|
||
|
|
var _indexPath = source.indexPath
|
||
|
|
if _indexPath == nil, let cell = source.tableViewCell {
|
||
|
|
_indexPath = await self.indexPath(for: cell)
|
||
|
|
}
|
||
|
|
guard let indexPath = _indexPath else { return nil }
|
||
|
|
|
||
|
|
guard let item = viewModel.diffableDataSource?.itemIdentifier(for: indexPath) else {
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
switch item {
|
||
|
|
case .feed(let record):
|
||
|
|
let managedObjectContext = context.managedObjectContext
|
||
|
|
let item: DataSourceItem? = try? await managedObjectContext.perform {
|
||
|
|
guard let feed = record.object(in: managedObjectContext) else { return nil }
|
||
|
|
guard feed.kind == .home else { return nil }
|
||
|
|
if let status = feed.status {
|
||
|
|
return .status(record: .init(objectID: status.objectID))
|
||
|
|
} else {
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return item
|
||
|
|
default:
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
@MainActor
|
||
|
|
private func indexPath(for cell: UITableViewCell) async -> IndexPath? {
|
||
|
|
return tableView.indexPath(for: cell)
|
||
|
|
}
|
||
|
|
}
|