forked from zelo72/mastodon-ios
165 lines
6.7 KiB
Swift
165 lines
6.7 KiB
Swift
//
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// PickServerSection.swift
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// Mastodon
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//
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// Created by Cirno MainasuK on 2021/3/5.
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//
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import UIKit
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import MastodonSDK
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import Kanna
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import AlamofireImage
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enum PickServerSection: Equatable, Hashable {
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case header
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case servers
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}
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extension PickServerSection {
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static func tableViewDiffableDataSource(
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for tableView: UITableView,
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dependency: NeedsDependency,
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pickServerCellDelegate: PickServerCellDelegate
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) -> UITableViewDiffableDataSource<PickServerSection, PickServerItem> {
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tableView.register(OnboardingHeadlineTableViewCell.self, forCellReuseIdentifier: String(describing: OnboardingHeadlineTableViewCell.self))
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tableView.register(PickServerCell.self, forCellReuseIdentifier: String(describing: PickServerCell.self))
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tableView.register(PickServerLoaderTableViewCell.self, forCellReuseIdentifier: String(describing: PickServerLoaderTableViewCell.self))
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return UITableViewDiffableDataSource(tableView: tableView) { [
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weak dependency,
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weak pickServerCellDelegate
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] tableView, indexPath, item -> UITableViewCell? in
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guard let dependency = dependency else { return nil }
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switch item {
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case .header:
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let cell = tableView.dequeueReusableCell(withIdentifier: String(describing: OnboardingHeadlineTableViewCell.self), for: indexPath) as! OnboardingHeadlineTableViewCell
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return cell
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case .server(let server, let attribute):
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let cell = tableView.dequeueReusableCell(withIdentifier: String(describing: PickServerCell.self), for: indexPath) as! PickServerCell
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PickServerSection.configure(cell: cell, server: server, attribute: attribute)
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cell.delegate = pickServerCellDelegate
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return cell
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case .loader(let attribute):
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let cell = tableView.dequeueReusableCell(withIdentifier: String(describing: PickServerLoaderTableViewCell.self), for: indexPath) as! PickServerLoaderTableViewCell
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PickServerSection.configure(cell: cell, attribute: attribute)
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return cell
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}
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}
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}
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}
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extension PickServerSection {
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static func configure(cell: PickServerCell, server: Mastodon.Entity.Server, attribute: PickServerItem.ServerItemAttribute) {
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cell.domainLabel.text = server.domain
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cell.descriptionLabel.attributedText = {
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let content: String = {
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guard let html = try? HTML(html: server.description, encoding: .utf8) else {
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return server.description
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}
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return html.text ?? server.description
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}()
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let paragraphStyle = NSMutableParagraphStyle()
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paragraphStyle.lineHeightMultiple = 1.16
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return NSAttributedString(
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string: content,
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attributes: [
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.paragraphStyle: paragraphStyle
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]
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)
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}()
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cell.usersValueLabel.attributedText = {
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let attributedString = NSMutableAttributedString()
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let attachment = NSTextAttachment(image: UIImage(systemName: "person.2.fill")!)
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let attachmentAttributedString = NSAttributedString(attachment: attachment)
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attributedString.append(attachmentAttributedString)
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attributedString.append(NSAttributedString(string: " "))
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let paragraphStyle = NSMutableParagraphStyle()
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paragraphStyle.lineHeightMultiple = 1.12
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let valueAttributedString = NSAttributedString(
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string: parseUsersCount(server.totalUsers),
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attributes: [
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.paragraphStyle: paragraphStyle
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]
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)
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attributedString.append(valueAttributedString)
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return attributedString
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}()
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cell.langValueLabel.attributedText = {
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let attributedString = NSMutableAttributedString()
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let attachment = NSTextAttachment(image: UIImage(systemName: "text.bubble.fill")!)
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let attachmentAttributedString = NSAttributedString(attachment: attachment)
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attributedString.append(attachmentAttributedString)
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attributedString.append(NSAttributedString(string: " "))
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let paragraphStyle = NSMutableParagraphStyle()
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paragraphStyle.lineHeightMultiple = 1.12
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let valueAttributedString = NSAttributedString(
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string: server.language.uppercased(),
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attributes: [
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.paragraphStyle: paragraphStyle
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]
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)
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attributedString.append(valueAttributedString)
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return attributedString
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}()
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attribute.isLast
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.receive(on: DispatchQueue.main)
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.sink { [weak cell] isLast in
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guard let cell = cell else { return }
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if isLast {
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cell.containerView.layer.maskedCorners = [
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.layerMinXMaxYCorner,
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.layerMaxXMaxYCorner
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]
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cell.containerView.layer.cornerCurve = .continuous
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cell.containerView.layer.cornerRadius = MastodonPickServerAppearance.tableViewCornerRadius
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cell.containerView.layer.masksToBounds = true
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} else {
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cell.containerView.layer.cornerRadius = 0
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cell.containerView.layer.masksToBounds = false
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}
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}
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.store(in: &cell.disposeBag)
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}
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private static func parseUsersCount(_ usersCount: Int) -> String {
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switch usersCount {
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case 0..<1000:
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return "\(usersCount)"
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default:
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let usersCountInThousand = Float(usersCount) / 1000.0
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return String(format: "%.1fK", usersCountInThousand)
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}
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}
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}
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extension PickServerSection {
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static func configure(cell: PickServerLoaderTableViewCell, attribute: PickServerItem.LoaderItemAttribute) {
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if attribute.isLast {
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cell.containerView.layer.maskedCorners = [
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.layerMinXMaxYCorner,
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.layerMaxXMaxYCorner
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]
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cell.containerView.layer.cornerCurve = .continuous
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cell.containerView.layer.cornerRadius = MastodonPickServerAppearance.tableViewCornerRadius
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cell.containerView.layer.masksToBounds = true
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} else {
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cell.containerView.layer.cornerRadius = 0
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cell.containerView.layer.masksToBounds = false
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}
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attribute.isNoResult ? cell.stopAnimating() : cell.startAnimating()
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cell.emptyStatusLabel.isHidden = !attribute.isNoResult
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}
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}
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