mastodon-ios/Mastodon/Diffiable/Section/NotificationSection.swift

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//
// NotificationSection.swift
// Mastodon
//
// Created by sxiaojian on 2021/4/13.
//
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import Combine
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import CoreData
import CoreDataStack
import Foundation
import MastodonSDK
import UIKit
enum NotificationSection: Equatable, Hashable {
case main
}
extension NotificationSection {
static func tableViewDiffableDataSource(
for tableView: UITableView,
timestampUpdatePublisher: AnyPublisher<Date, Never>,
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managedObjectContext: NSManagedObjectContext,
delegate: NotificationTableViewCellDelegate,
dependency: NeedsDependency
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) -> UITableViewDiffableDataSource<NotificationSection, NotificationItem> {
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UITableViewDiffableDataSource(tableView: tableView) {
[weak delegate, weak dependency]
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(tableView, indexPath, notificationItem) -> UITableViewCell? in
guard let dependency = dependency else { return nil }
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switch notificationItem {
case .notification(let objectID, let attribute):
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let notification = managedObjectContext.object(with: objectID) as! MastodonNotification
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guard let type = Mastodon.Entity.Notification.NotificationType(rawValue: notification.typeRaw) else {
assertionFailure()
return nil
}
let timeText = notification.createAt.shortTimeAgoSinceNow
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let actionText = type.actionText
let actionImageName = type.actionImageName
let color = type.color
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if let status = notification.status {
let cell = tableView.dequeueReusableCell(withIdentifier: String(describing: NotificationStatusTableViewCell.self), for: indexPath) as! NotificationStatusTableViewCell
cell.delegate = delegate
let activeMastodonAuthenticationBox = dependency.context.authenticationService.activeMastodonAuthenticationBox.value
let requestUserID = activeMastodonAuthenticationBox?.userID ?? ""
let frame = CGRect(x: 0, y: 0, width: tableView.readableContentGuide.layoutFrame.width - NotificationStatusTableViewCell.statusPadding.left - NotificationStatusTableViewCell.statusPadding.right, height: tableView.readableContentGuide.layoutFrame.height)
StatusSection.configure(
cell: cell,
dependency: dependency,
readableLayoutFrame: frame,
timestampUpdatePublisher: timestampUpdatePublisher,
status: status,
requestUserID: requestUserID,
statusItemAttribute: attribute
)
timestampUpdatePublisher
.sink { _ in
let timeText = notification.createAt.shortTimeAgoSinceNow
cell.actionLabel.text = actionText + " · " + timeText
}
.store(in: &cell.disposeBag)
cell.actionImageBackground.backgroundColor = color
cell.actionLabel.text = actionText + " · " + timeText
cell.nameLabel.text = notification.account.displayName.isEmpty ? notification.account.username : notification.account.displayName
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if let url = notification.account.avatarImageURL() {
cell.avatatImageView.af.setImage(
withURL: url,
placeholderImage: UIImage.placeholder(color: .systemFill),
imageTransition: .crossDissolve(0.2)
)
}
cell.avatatImageView.gesture().sink { [weak cell] _ in
cell?.delegate?.userAvatarDidPressed(notification: notification)
}
.store(in: &cell.disposeBag)
if let actionImage = UIImage(systemName: actionImageName, withConfiguration: UIImage.SymbolConfiguration(pointSize: 12, weight: .semibold))?.withRenderingMode(.alwaysTemplate) {
cell.actionImageView.image = actionImage
}
return cell
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} else {
let cell = tableView.dequeueReusableCell(withIdentifier: String(describing: NotificationTableViewCell.self), for: indexPath) as! NotificationTableViewCell
cell.delegate = delegate
timestampUpdatePublisher
.sink { _ in
let timeText = notification.createAt.shortTimeAgoSinceNow
cell.actionLabel.text = actionText + " · " + timeText
}
.store(in: &cell.disposeBag)
cell.actionImageBackground.backgroundColor = color
cell.actionLabel.text = actionText + " · " + timeText
cell.nameLabel.text = notification.account.displayName.isEmpty ? notification.account.username : notification.account.displayName
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if let url = notification.account.avatarImageURL() {
cell.avatatImageView.af.setImage(
withURL: url,
placeholderImage: UIImage.placeholder(color: .systemFill),
imageTransition: .crossDissolve(0.2)
)
}
cell.avatatImageView.gesture().sink { [weak cell] _ in
cell?.delegate?.userAvatarDidPressed(notification: notification)
}
.store(in: &cell.disposeBag)
if let actionImage = UIImage(systemName: actionImageName, withConfiguration: UIImage.SymbolConfiguration(pointSize: 12, weight: .semibold))?.withRenderingMode(.alwaysTemplate) {
cell.actionImageView.image = actionImage
}
return cell
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}
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case .bottomLoader:
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let cell = tableView.dequeueReusableCell(withIdentifier: String(describing: TimelineBottomLoaderTableViewCell.self)) as! TimelineBottomLoaderTableViewCell
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cell.startAnimating()
return cell
}
}
}
}
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