Add native iOS notifications (#64)

2026-08-15 12:50:05 +02:00
parent 69d1709523
commit 8ba7f5ad39
23 changed files with 1561 additions and 22 deletions
--- a/ios/Sources/NotificationsScreen.swift
+++ b/ios/Sources/NotificationsScreen.swift
@@ -0,0 +1,179 @@
+import UIKit
+
+final class NotificationCell: UITableViewCell {
+    private let icon = UIImageView()
+    private let titleLabel = UILabel()
+    private let detailLabel = UILabel()
+    private let metaLabel = UILabel()
+
+    override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
+        super.init(style: style, reuseIdentifier: reuseIdentifier)
+        icon.preferredSymbolConfiguration = UIImage.SymbolConfiguration(textStyle: .headline)
+        icon.setContentHuggingPriority(.required, for: .horizontal)
+        titleLabel.font = .preferredFont(forTextStyle: .headline)
+        titleLabel.numberOfLines = 2
+        detailLabel.font = .preferredFont(forTextStyle: .subheadline)
+        detailLabel.textColor = .secondaryLabel
+        detailLabel.numberOfLines = 2
+        metaLabel.font = .preferredFont(forTextStyle: .caption1)
+        metaLabel.textColor = .tertiaryLabel
+        [titleLabel, detailLabel, metaLabel].forEach {
+            $0.adjustsFontForContentSizeCategory = true
+        }
+        let labels = UIStackView(arrangedSubviews: [titleLabel, detailLabel, metaLabel])
+        labels.axis = .vertical
+        labels.spacing = 4
+        let stack = UIStackView(arrangedSubviews: [icon, labels])
+        stack.alignment = .top
+        stack.spacing = 12
+        stack.translatesAutoresizingMaskIntoConstraints = false
+        contentView.addSubview(stack)
+        NSLayoutConstraint.activate([
+            stack.leadingAnchor.constraint(equalTo: contentView.leadingAnchor, constant: 16),
+            stack.trailingAnchor.constraint(equalTo: contentView.trailingAnchor, constant: -8),
+            stack.topAnchor.constraint(equalTo: contentView.topAnchor, constant: 10),
+            stack.bottomAnchor.constraint(equalTo: contentView.bottomAnchor, constant: -10),
+            icon.widthAnchor.constraint(equalToConstant: 24),
+        ])
+    }
+
+    @available(*, unavailable)
+    required init?(coder: NSCoder) { fatalError("init(coder:) is not supported") }
+
+    func configure(_ row: NotificationRow) {
+        icon.image = UIImage(systemName: symbolName(for: row.target))
+        icon.tintColor = row.unread ? .tintColor : .secondaryLabel
+        titleLabel.text = row.title
+        detailLabel.text = row.detail
+        metaLabel.text = row.meta
+        accessoryType = row.target == .none ? .none : .disclosureIndicator
+        selectionStyle = row.target == .none ? .none : .default
+        accessibilityValue = row.unread ? "Open" : "Closed"
+    }
+
+    private func symbolName(for target: ActivityTargetKind) -> String {
+        switch target {
+        case .repository: return "books.vertical"
+        case .issue: return "exclamationmark.circle"
+        case .pullRequest: return "arrow.triangle.pull"
+        case .commit: return "point.topleft.down.to.point.bottomright.curvepath"
+        case .none: return "bell"
+        }
+    }
+}
+
+@MainActor
+final class NotificationsViewController: RefreshingTableViewController {
+    private let context: AppContext
+    private let statusControl = UISegmentedControl(items: ["Open", "Closed"])
+    private var rows: [NotificationRow] = []
+    private var currentPage: UInt32 = 0
+
+    init(context: AppContext) {
+        self.context = context
+        super.init()
+        title = "Notifications"
+    }
+
+    @available(*, unavailable)
+    required init?(coder: NSCoder) { fatalError("init(coder:) is not supported") }
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        tableView.register(NotificationCell.self, forCellReuseIdentifier: "notification")
+        tableView.rowHeight = UITableView.automaticDimension
+        tableView.estimatedRowHeight = 92
+        statusControl.selectedSegmentIndex = 0
+        statusControl.addTarget(self, action: #selector(statusChanged), for: .valueChanged)
+        statusControl.accessibilityLabel = "Notification status"
+        navigationItem.rightBarButtonItem = UIBarButtonItem(customView: statusControl)
+        loadContent(refreshing: false)
+    }
+
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+        guard currentPage > 0 else { return }
+        loadNotifications(page: 1, refreshing: false)
+    }
+
+    override func loadContent(refreshing: Bool) {
+        loadNotifications(page: 1, refreshing: refreshing)
+    }
+
+    override func loadMoreContent() {
+        loadNotifications(page: currentPage + 1, refreshing: false)
+    }
+
+    private func loadNotifications(page: UInt32, refreshing: Bool) {
+        if page == 1 {
+            resetPagination()
+            beginLoading(refreshing: refreshing)
+        }
+        loadingTask?.cancel()
+        loadingTask = Task {
+            do {
+                let result = try await context.core.notifications(
+                    status: statusControl.selectedSegmentIndex == 0 ? .open : .closed,
+                    page: page
+                )
+                if page == 1 { rows = result.rows } else { rows.append(contentsOf: result.rows) }
+                currentPage = page
+                finishPagination(hasMore: result.hasMore)
+                tableView.reloadData()
+                let status = statusControl.selectedSegmentIndex == 0 ? "open" : "closed"
+                tableView.backgroundView = rows.isEmpty
+                    ? EmptyBackgroundView(
+                        title: "No \(status) notifications",
+                        detail: "This server has no \(status) notifications."
+                    )
+                    : nil
+            } catch {
+                if !Task.isCancelled {
+                    show(error: error)
+                    failPagination()
+                }
+            }
+            if page == 1 { endLoading() }
+        }
+    }
+
+    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        rows.count
+    }
+
+    override func tableView(
+        _ tableView: UITableView,
+        cellForRowAt indexPath: IndexPath
+    ) -> UITableViewCell {
+        let cell = tableView.dequeueReusableCell(
+            withIdentifier: "notification",
+            for: indexPath
+        ) as! NotificationCell
+        cell.configure(rows[indexPath.row])
+        return cell
+    }
+
+    override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
+        tableView.deselectRow(at: indexPath, animated: true)
+        let row = rows[indexPath.row]
+        guard row.target != .none else { return }
+        guard row.unread else {
+            context.route(row)
+            return
+        }
+        loadingTask?.cancel()
+        loadingTask = Task {
+            do {
+                try await context.core.markNotificationRead(serverId: row.serverId, id: row.id)
+                guard !Task.isCancelled else { return }
+                context.route(row)
+            } catch {
+                if !Task.isCancelled { show(error: error) }
+            }
+        }
+    }
+
+    @objc private func statusChanged() {
+        loadNotifications(page: 1, refreshing: false)
+    }
+}