mastodon-app-ufficiale-ipho.../Mastodon/Scene/Discovery/ForYou/DiscoveryForYouViewModel+Di...

48 lines
1.4 KiB
Swift

//
// DiscoveryForYouViewModel+Diffable.swift
// Mastodon
//
// Created by MainasuK on 2022-4-14.
//
import UIKit
import Combine
import MastodonUI
extension DiscoveryForYouViewModel {
func setupDiffableDataSource(
tableView: UITableView,
profileCardTableViewCellDelegate: ProfileCardTableViewCellDelegate
) {
diffableDataSource = DiscoverySection.diffableDataSource(
tableView: tableView,
context: context,
configuration: DiscoverySection.Configuration(
profileCardTableViewCellDelegate: profileCardTableViewCellDelegate
)
)
Task {
try await fetch()
}
userFetchedResultsController.$records
.receive(on: DispatchQueue.main)
.sink { [weak self] records in
guard let self = self else { return }
guard let diffableDataSource = self.diffableDataSource else { return }
var snapshot = NSDiffableDataSourceSnapshot<DiscoverySection, DiscoveryItem>()
snapshot.appendSections([.forYou])
let items = records.map { DiscoveryItem.user($0) }
snapshot.appendItems(items, toSection: .forYou)
diffableDataSource.applySnapshot(snapshot, animated: false)
}
.store(in: &disposeBag)
}
}