366 lines
17 KiB
Swift
366 lines
17 KiB
Swift
// Copyright © 2020 Metabolist. All rights reserved.
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import Kingfisher
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import UIKit
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import ViewModels
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final class AccountHeaderView: UIView {
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let headerImageBackgroundView = UIView()
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let headerImageView = AnimatedImageView()
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let headerButton = UIButton()
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let avatarBackgroundView = UIView()
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let avatarImageView = UIImageView()
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let avatarButton = UIButton()
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let relationshipButtonsStackView = UIStackView()
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let followButton = UIButton(type: .system)
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let unfollowButton = UIButton(type: .system)
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let displayNameLabel = UILabel()
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let accountStackView = UIStackView()
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let accountLabel = UILabel()
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let lockedImageView = UIImageView()
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let fieldsStackView = UIStackView()
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let noteTextView = TouchFallthroughTextView()
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let followStackView = UIStackView()
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let followingButton = UIButton()
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let followersButton = UIButton()
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let segmentedControl = UISegmentedControl()
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var viewModel: ProfileViewModel? {
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didSet {
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if let accountViewModel = viewModel?.accountViewModel {
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headerImageView.kf.setImage(with: accountViewModel.headerURL) { [weak self] in
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if case let .success(result) = $0, result.image.size != Self.missingHeaderImageSize {
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self?.headerButton.isEnabled = true
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}
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}
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headerImageView.tag = accountViewModel.headerURL.hashValue
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avatarImageView.kf.setImage(with: accountViewModel.avatarURL(profile: true))
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avatarImageView.tag = accountViewModel.avatarURL(profile: true).hashValue
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if !accountViewModel.isSelf, let relationship = accountViewModel.relationship {
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followButton.setTitle(
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NSLocalizedString(
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accountViewModel.isLocked ? "account.request" : "account.follow",
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comment: ""),
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for: .normal)
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followButton.isHidden = relationship.following
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unfollowButton.isHidden = !relationship.following
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relationshipButtonsStackView.isHidden = false
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} else {
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relationshipButtonsStackView.isHidden = true
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}
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if accountViewModel.displayName.isEmpty {
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displayNameLabel.isHidden = true
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} else {
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let mutableDisplayName = NSMutableAttributedString(string: accountViewModel.displayName)
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mutableDisplayName.insert(emojis: accountViewModel.emojis, view: displayNameLabel)
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mutableDisplayName.resizeAttachments(toLineHeight: displayNameLabel.font.lineHeight)
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displayNameLabel.attributedText = mutableDisplayName
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}
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accountLabel.text = accountViewModel.accountName
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lockedImageView.isHidden = !accountViewModel.isLocked
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for view in fieldsStackView.arrangedSubviews {
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fieldsStackView.removeArrangedSubview(view)
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view.removeFromSuperview()
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}
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for identityProof in accountViewModel.identityProofs {
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let fieldView = AccountFieldView(
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name: identityProof.provider,
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value: NSAttributedString(
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string: identityProof.providerUsername,
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attributes: [.link: identityProof.profileUrl]),
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verifiedAt: identityProof.updatedAt,
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emojis: [])
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fieldView.valueTextView.delegate = self
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fieldsStackView.addArrangedSubview(fieldView)
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}
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for field in accountViewModel.fields {
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let fieldView = AccountFieldView(
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name: field.name,
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value: field.value.attributed,
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verifiedAt: field.verifiedAt,
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emojis: accountViewModel.emojis)
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fieldView.valueTextView.delegate = self
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fieldsStackView.addArrangedSubview(fieldView)
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}
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fieldsStackView.isHidden = accountViewModel.fields.isEmpty && accountViewModel.identityProofs.isEmpty
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let noteFont = UIFont.preferredFont(forTextStyle: .callout)
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let mutableNote = NSMutableAttributedString(attributedString: accountViewModel.note)
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let noteRange = NSRange(location: 0, length: mutableNote.length)
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mutableNote.removeAttribute(.font, range: noteRange)
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mutableNote.addAttributes(
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[.font: noteFont as Any,
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.foregroundColor: UIColor.label],
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range: noteRange)
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mutableNote.insert(emojis: accountViewModel.emojis, view: noteTextView)
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mutableNote.resizeAttachments(toLineHeight: noteFont.lineHeight)
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noteTextView.attributedText = mutableNote
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noteTextView.isHidden = false
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followingButton.setAttributedLocalizedTitle(
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localizationKey: "account.following-count",
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count: accountViewModel.followingCount)
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followersButton.setAttributedLocalizedTitle(
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localizationKey: "account.followers-count",
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count: accountViewModel.followersCount)
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followStackView.isHidden = false
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} else {
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noteTextView.isHidden = true
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followStackView.isHidden = true
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}
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}
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}
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override init(frame: CGRect) {
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super.init(frame: frame)
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initialSetup()
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}
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@available(*, unavailable)
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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 layoutSubviews() {
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super.layoutSubviews()
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for button in [followButton, unfollowButton] {
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let inset = (followButton.bounds.height - (button.titleLabel?.bounds.height ?? 0)) / 2
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button.contentEdgeInsets = .init(top: 0, left: inset, bottom: 0, right: inset)
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button.layer.cornerRadius = button.bounds.height / 2
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}
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}
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}
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extension AccountHeaderView: UITextViewDelegate {
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func textView(
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_ textView: UITextView,
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shouldInteractWith URL: URL,
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in characterRange: NSRange,
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interaction: UITextItemInteraction) -> Bool {
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switch interaction {
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case .invokeDefaultAction:
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viewModel?.accountViewModel?.urlSelected(URL)
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return false
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case .preview: return false
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case .presentActions: return false
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@unknown default: return false
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}
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}
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}
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private extension AccountHeaderView {
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static let avatarDimension = CGFloat.avatarDimension * 2
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static let missingHeaderImageSize = CGSize(width: 1, height: 1)
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// swiftlint:disable:next function_body_length
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func initialSetup() {
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let baseStackView = UIStackView()
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addSubview(headerImageBackgroundView)
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headerImageBackgroundView.translatesAutoresizingMaskIntoConstraints = false
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headerImageBackgroundView.backgroundColor = .secondarySystemBackground
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addSubview(headerImageView)
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headerImageView.translatesAutoresizingMaskIntoConstraints = false
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headerImageView.contentMode = .scaleAspectFill
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headerImageView.clipsToBounds = true
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headerImageView.isUserInteractionEnabled = true
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headerImageView.addSubview(headerButton)
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headerButton.translatesAutoresizingMaskIntoConstraints = false
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headerButton.setBackgroundImage(.highlightedButtonBackground, for: .highlighted)
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headerButton.addAction(UIAction { [weak self] _ in self?.viewModel?.presentHeader() }, for: .touchUpInside)
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headerButton.isEnabled = false
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let avatarBackgroundViewDimension = Self.avatarDimension + .compactSpacing * 2
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addSubview(avatarBackgroundView)
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avatarBackgroundView.translatesAutoresizingMaskIntoConstraints = false
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avatarBackgroundView.backgroundColor = .systemBackground
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avatarBackgroundView.layer.cornerRadius = avatarBackgroundViewDimension / 2
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avatarBackgroundView.addSubview(avatarImageView)
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avatarImageView.translatesAutoresizingMaskIntoConstraints = false
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avatarImageView.contentMode = .scaleAspectFill
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avatarImageView.clipsToBounds = true
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avatarImageView.isUserInteractionEnabled = true
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avatarImageView.layer.cornerRadius = Self.avatarDimension / 2
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avatarImageView.addSubview(avatarButton)
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avatarButton.translatesAutoresizingMaskIntoConstraints = false
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avatarButton.setBackgroundImage(.highlightedButtonBackground, for: .highlighted)
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avatarButton.addAction(UIAction { [weak self] _ in self?.viewModel?.presentAvatar() }, for: .touchUpInside)
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addSubview(relationshipButtonsStackView)
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relationshipButtonsStackView.translatesAutoresizingMaskIntoConstraints = false
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relationshipButtonsStackView.spacing = .defaultSpacing
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relationshipButtonsStackView.addArrangedSubview(UIView())
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for button in [followButton, unfollowButton] {
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relationshipButtonsStackView.addArrangedSubview(button)
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button.titleLabel?.font = .preferredFont(forTextStyle: .headline)
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button.titleLabel?.adjustsFontForContentSizeCategory = true
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button.backgroundColor = .secondarySystemBackground
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}
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followButton.setImage(
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UIImage(
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systemName: "person.badge.plus",
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withConfiguration: UIImage.SymbolConfiguration(scale: .small)),
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for: .normal)
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followButton.addAction(
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UIAction { [weak self] _ in self?.viewModel?.accountViewModel?.follow() },
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for: .touchUpInside)
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unfollowButton.setImage(
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UIImage(
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systemName: "checkmark",
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withConfiguration: UIImage.SymbolConfiguration(scale: .small)),
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for: .normal)
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unfollowButton.setTitle(NSLocalizedString("account.following", comment: ""), for: .normal)
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unfollowButton.showsMenuAsPrimaryAction = true
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unfollowButton.menu = UIMenu(children: [UIDeferredMenuElement { [weak self] completion in
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guard let accountViewModel = self?.viewModel?.accountViewModel else { return }
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let unfollowAction = UIAction(
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title: NSLocalizedString("account.unfollow", comment: ""),
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image: UIImage(systemName: "person.badge.minus"),
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attributes: .destructive) { _ in
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accountViewModel.unfollow()
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}
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completion([unfollowAction])
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},
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UIAction(title: NSLocalizedString("cancel", comment: "")) { _ in }])
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addSubview(baseStackView)
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baseStackView.translatesAutoresizingMaskIntoConstraints = false
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baseStackView.axis = .vertical
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baseStackView.spacing = .defaultSpacing
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baseStackView.addArrangedSubview(displayNameLabel)
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displayNameLabel.numberOfLines = 0
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displayNameLabel.font = .preferredFont(forTextStyle: .headline)
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displayNameLabel.adjustsFontForContentSizeCategory = true
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baseStackView.addArrangedSubview(accountStackView)
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accountStackView.addArrangedSubview(accountLabel)
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accountLabel.numberOfLines = 0
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accountLabel.font = .preferredFont(forTextStyle: .subheadline)
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accountLabel.adjustsFontForContentSizeCategory = true
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accountLabel.textColor = .secondaryLabel
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accountLabel.setContentHuggingPriority(.required, for: .horizontal)
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accountLabel.setContentCompressionResistancePriority(.required, for: .horizontal)
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accountStackView.addArrangedSubview(lockedImageView)
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lockedImageView.image = UIImage(
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systemName: "lock.fill",
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withConfiguration: UIImage.SymbolConfiguration(scale: .small))
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lockedImageView.tintColor = .secondaryLabel
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lockedImageView.contentMode = .scaleAspectFit
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accountStackView.addArrangedSubview(UIView())
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baseStackView.addArrangedSubview(fieldsStackView)
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fieldsStackView.axis = .vertical
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fieldsStackView.spacing = .hairline
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fieldsStackView.backgroundColor = .separator
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fieldsStackView.clipsToBounds = true
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fieldsStackView.layer.borderColor = UIColor.separator.cgColor
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fieldsStackView.layer.borderWidth = .hairline
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fieldsStackView.layer.cornerRadius = .defaultCornerRadius
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baseStackView.addArrangedSubview(noteTextView)
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noteTextView.delegate = self
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baseStackView.addArrangedSubview(followStackView)
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followStackView.distribution = .fillEqually
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followingButton.addAction(
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UIAction { [weak self] _ in self?.viewModel?.accountViewModel?.followingSelected() },
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for: .touchUpInside)
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followStackView.addArrangedSubview(followingButton)
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followersButton.addAction(
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UIAction { [weak self] _ in self?.viewModel?.accountViewModel?.followersSelected() },
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for: .touchUpInside)
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followStackView.addArrangedSubview(followersButton)
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for (index, collection) in ProfileCollection.allCases.enumerated() {
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segmentedControl.insertSegment(
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action: UIAction(title: collection.title) { [weak self] _ in
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self?.viewModel?.collection = collection
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self?.viewModel?.request(maxId: nil, minId: nil, search: nil)
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},
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at: index,
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animated: false)
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}
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segmentedControl.selectedSegmentIndex = 0
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baseStackView.addArrangedSubview(segmentedControl)
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let headerImageAspectRatioConstraint = headerImageView.heightAnchor.constraint(
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equalTo: headerImageView.widthAnchor,
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multiplier: 1 / 3)
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headerImageAspectRatioConstraint.priority = .justBelowMax
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NSLayoutConstraint.activate([
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headerImageAspectRatioConstraint,
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headerImageView.topAnchor.constraint(equalTo: topAnchor),
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headerImageView.leadingAnchor.constraint(equalTo: leadingAnchor),
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headerImageView.trailingAnchor.constraint(equalTo: trailingAnchor),
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headerImageBackgroundView.leadingAnchor.constraint(equalTo: headerImageView.leadingAnchor),
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headerImageBackgroundView.topAnchor.constraint(equalTo: headerImageView.topAnchor),
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headerImageBackgroundView.trailingAnchor.constraint(equalTo: headerImageView.trailingAnchor),
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headerImageBackgroundView.bottomAnchor.constraint(equalTo: headerImageView.bottomAnchor),
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headerButton.leadingAnchor.constraint(equalTo: headerImageView.leadingAnchor),
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headerButton.topAnchor.constraint(equalTo: headerImageView.topAnchor),
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headerButton.bottomAnchor.constraint(equalTo: headerImageView.bottomAnchor),
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headerButton.trailingAnchor.constraint(equalTo: headerImageView.trailingAnchor),
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avatarBackgroundView.heightAnchor.constraint(equalToConstant: avatarBackgroundViewDimension),
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avatarBackgroundView.widthAnchor.constraint(equalToConstant: avatarBackgroundViewDimension),
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avatarBackgroundView.leadingAnchor.constraint(equalTo: readableContentGuide.leadingAnchor),
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avatarBackgroundView.centerYAnchor.constraint(equalTo: headerImageView.bottomAnchor),
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avatarImageView.heightAnchor.constraint(equalToConstant: Self.avatarDimension),
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avatarImageView.widthAnchor.constraint(equalToConstant: Self.avatarDimension),
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avatarImageView.centerXAnchor.constraint(equalTo: avatarBackgroundView.centerXAnchor),
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avatarImageView.centerYAnchor.constraint(equalTo: avatarBackgroundView.centerYAnchor),
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avatarButton.leadingAnchor.constraint(equalTo: avatarImageView.leadingAnchor),
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avatarButton.topAnchor.constraint(equalTo: avatarImageView.topAnchor),
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avatarButton.bottomAnchor.constraint(equalTo: avatarImageView.bottomAnchor),
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avatarButton.trailingAnchor.constraint(equalTo: avatarImageView.trailingAnchor),
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relationshipButtonsStackView.leadingAnchor.constraint(equalTo: avatarBackgroundView.trailingAnchor),
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relationshipButtonsStackView.topAnchor.constraint(
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equalTo: headerImageView.bottomAnchor,
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constant: .defaultSpacing),
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relationshipButtonsStackView.trailingAnchor.constraint(equalTo: readableContentGuide.trailingAnchor),
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relationshipButtonsStackView.bottomAnchor.constraint(equalTo: avatarBackgroundView.bottomAnchor),
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baseStackView.topAnchor.constraint(equalTo: avatarBackgroundView.bottomAnchor, constant: .defaultSpacing),
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baseStackView.leadingAnchor.constraint(equalTo: readableContentGuide.leadingAnchor),
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baseStackView.trailingAnchor.constraint(equalTo: readableContentGuide.trailingAnchor),
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baseStackView.bottomAnchor.constraint(equalTo: readableContentGuide.bottomAnchor)
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])
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}
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}
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