88 lines
2.7 KiB
Swift
88 lines
2.7 KiB
Swift
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//
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// TrendingHashtagsViewController.swift
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// Tusker
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//
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// Created by Shadowfacts on 2/6/21.
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// Copyright © 2021 Shadowfacts. All rights reserved.
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//
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import UIKit
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import Pachyderm
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class TrendingHashtagsViewController: EnhancedTableViewController {
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weak var mastodonController: MastodonController!
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private var dataSource: UITableViewDiffableDataSource<Section, Item>!
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init(mastodonController: MastodonController) {
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self.mastodonController = mastodonController
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super.init(style: .grouped)
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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title = NSLocalizedString("Trending Hashtags", comment: "trending hashtags screen title")
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tableView.register(UINib(nibName: "TrendingHashtagTableViewCell", bundle: .main), forCellReuseIdentifier: "trendingTagCell")
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tableView.rowHeight = 60 // 44 for content + 2 * 8 spacing
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// todo: enable drag
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dataSource = UITableViewDiffableDataSource<Section, Item>(tableView: tableView) { (tableView, indexPath, item) in
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switch item {
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case let .tag(hashtag):
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let cell = tableView.dequeueReusableCell(withIdentifier: "trendingTagCell", for: indexPath) as! TrendingHashtagTableViewCell
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cell.updateUI(hashtag: hashtag)
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return cell
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}
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}
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}
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override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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let request = Client.getTrends(limit: 10)
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mastodonController.run(request) { (response) in
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var snapshot = NSDiffableDataSourceSnapshot<Section, Item>()
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guard case let .success(hashtags, _) = response,
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hashtags.count > 0 else {
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self.dataSource.apply(snapshot)
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return
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}
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snapshot.appendSections([.trendingTags])
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snapshot.appendItems(hashtags.map { .tag($0) })
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self.dataSource.apply(snapshot)
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}
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}
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// MARK: - Table View Delegate
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override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
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guard let item = dataSource.itemIdentifier(for: indexPath),
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case let .tag(hashtag) = item else {
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return
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}
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show(HashtagTimelineViewController(for: hashtag, mastodonController: mastodonController), sender: nil)
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}
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}
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extension TrendingHashtagsViewController {
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enum Section {
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case trendingTags
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}
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enum Item: Hashable {
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case tag(Hashtag)
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}
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}
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