Add status edit history view

Packages/Pachyderm/Sources/Pachyderm/Model/Mention.swift

@@ -24,6 +24,13 @@ public struct Mention: Codable, Sendable {
         self.url = try container.decode(WebURL.self, forKey: .url)
     }
     
+    public init(url: WebURL, username: String, acct: String, id: String) {
+        self.url = url
+        self.username = username
+        self.acct = acct
+        self.id = id
+    }
+    
     private enum CodingKeys: String, CodingKey {
         case url
         case username

Packages/Pachyderm/Sources/Pachyderm/Model/Status.swift

@@ -169,6 +169,10 @@ public final class Status: StatusProtocol, Decodable, Sendable {
         return Request(method: .get, path: "/api/v1/statuses/\(statusID)/source")
     }
     
+    public static func history(_ statusID: String) -> Request<[StatusEdit]> {
+        return Request(method: .get, path: "/api/v1/statuses/\(statusID)/history")
+    }
+    
     private enum CodingKeys: String, CodingKey {
         case id
         case uri

Packages/Pachyderm/Sources/Pachyderm/Model/StatusEdit.swift

@@ -0,0 +1,38 @@
+//
+//  StatusEdit.swift
+//  Pachyderm
+//
+//  Created by Shadowfacts on 5/11/23.
+//
+
+import Foundation
+
+public struct StatusEdit: Decodable {
+    public let content: String
+    public let spoilerText: String
+    public let sensitive: Bool
+    public let createdAt: Date
+    public let account: Account
+    public let poll: Poll?
+    public let attachments: [Attachment]
+    public let emojis: [Emoji]
+    
+    enum CodingKeys: String, CodingKey {
+        case content
+        case spoilerText = "spoiler_text"
+        case sensitive
+        case createdAt = "created_at"
+        case account = "account"
+        case poll
+        case attachments = "media_attachments"
+        case emojis
+    }
+    
+    public struct Poll: Decodable {
+        public let options: [Option]
+        
+        public struct Option: Decodable {
+            public let title: String
+        }
+    }
+}

Tusker.xcodeproj/project.pbxproj

@@ -297,6 +297,10 @@
 		D6D706A029466649000827ED /* ScrollingSegmentedControl.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D7069F29466649000827ED /* ScrollingSegmentedControl.swift */; };
 		D6D706A72948D4D0000827ED /* TimlineState.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D706A62948D4D0000827ED /* TimlineState.swift */; };
 		D6D79F262A0C8D2700AB2315 /* FetchStatusSourceService.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D79F252A0C8D2700AB2315 /* FetchStatusSourceService.swift */; };
+		D6D79F292A0D596B00AB2315 /* StatusEditHistoryViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D79F282A0D596B00AB2315 /* StatusEditHistoryViewController.swift */; };
+		D6D79F2B2A0D5D5C00AB2315 /* StatusEditCollectionViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D79F2A2A0D5D5C00AB2315 /* StatusEditCollectionViewCell.swift */; };
+		D6D79F2D2A0D61B400AB2315 /* StatusEditContentTextView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D79F2C2A0D61B400AB2315 /* StatusEditContentTextView.swift */; };
+		D6D79F2F2A0D6A7F00AB2315 /* StatusEditPollView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D79F2E2A0D6A7F00AB2315 /* StatusEditPollView.swift */; };
 		D6D94955298963A900C59229 /* Colors.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D94954298963A900C59229 /* Colors.swift */; };
 		D6D9498D298CBB4000C59229 /* TrendingStatusCollectionViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D9498C298CBB4000C59229 /* TrendingStatusCollectionViewCell.swift */; };
 		D6D9498F298EB79400C59229 /* CopyableLable.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D9498E298EB79400C59229 /* CopyableLable.swift */; };
@@ -692,6 +696,10 @@
 		D6D706A62948D4D0000827ED /* TimlineState.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TimlineState.swift; sourceTree = "<group>"; };
 		D6D706A829498C82000827ED /* Tusker.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = Tusker.xcconfig; sourceTree = "<group>"; };
 		D6D79F252A0C8D2700AB2315 /* FetchStatusSourceService.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FetchStatusSourceService.swift; sourceTree = "<group>"; };
+		D6D79F282A0D596B00AB2315 /* StatusEditHistoryViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StatusEditHistoryViewController.swift; sourceTree = "<group>"; };
+		D6D79F2A2A0D5D5C00AB2315 /* StatusEditCollectionViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StatusEditCollectionViewCell.swift; sourceTree = "<group>"; };
+		D6D79F2C2A0D61B400AB2315 /* StatusEditContentTextView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StatusEditContentTextView.swift; sourceTree = "<group>"; };
+		D6D79F2E2A0D6A7F00AB2315 /* StatusEditPollView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StatusEditPollView.swift; sourceTree = "<group>"; };
 		D6D94954298963A900C59229 /* Colors.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Colors.swift; sourceTree = "<group>"; };
 		D6D9498C298CBB4000C59229 /* TrendingStatusCollectionViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TrendingStatusCollectionViewCell.swift; sourceTree = "<group>"; };
 		D6D9498E298EB79400C59229 /* CopyableLable.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CopyableLable.swift; sourceTree = "<group>"; };
@@ -979,6 +987,7 @@
 				D65B4B522971F6E300DABDFB /* Report */,
 				D6BC9DD8232D8BCA002CA326 /* Search */,
 				D6A3BC8C2321FF9B00FD64D5 /* Status Action Account List */,
+				D6D79F272A0D595D00AB2315 /* Status Edit History */,
 				D641C781213DD7DD004B4513 /* Timeline */,
 				D6C693FA2162FE5D007D6A6D /* Utilities */,
 			);
@@ -1532,6 +1541,17 @@
 			path = Gestures;
 			sourceTree = "<group>";
 		};
+		D6D79F272A0D595D00AB2315 /* Status Edit History */ = {
+			isa = PBXGroup;
+			children = (
+				D6D79F282A0D596B00AB2315 /* StatusEditHistoryViewController.swift */,
+				D6D79F2A2A0D5D5C00AB2315 /* StatusEditCollectionViewCell.swift */,
+				D6D79F2C2A0D61B400AB2315 /* StatusEditContentTextView.swift */,
+				D6D79F2E2A0D6A7F00AB2315 /* StatusEditPollView.swift */,
+			);
+			path = "Status Edit History";
+			sourceTree = "<group>";
+		};
 		D6DEA0DB268400AF00FE896A /* Confirm Load More Cell */ = {
 			isa = PBXGroup;
 			children = (
@@ -1952,6 +1972,7 @@
 				D62D2426217ABF63005076CC /* UserActivityType.swift in Sources */,
 				D6AC956723C4347E008C9946 /* MainSceneDelegate.swift in Sources */,
 				D6311C5025B3765B00B27539 /* ImageDataCache.swift in Sources */,
+				D6D79F2B2A0D5D5C00AB2315 /* StatusEditCollectionViewCell.swift in Sources */,
 				D6BC9DD7232D7811002CA326 /* TimelinesPageViewController.swift in Sources */,
 				D6D9498D298CBB4000C59229 /* TrendingStatusCollectionViewCell.swift in Sources */,
 				D60E2F2E244248BF005F8713 /* MastodonCachePersistentStore.swift in Sources */,
@@ -2028,6 +2049,7 @@
 				D623A53D2635F5590095BD04 /* StatusPollView.swift in Sources */,
 				D64AAE9726C88DC400FC57FB /* ToastConfiguration.swift in Sources */,
 				D63661C02381C144004B9E16 /* PreferencesNavigationController.swift in Sources */,
+				D6D79F2F2A0D6A7F00AB2315 /* StatusEditPollView.swift in Sources */,
 				D65B4B5E2973040D00DABDFB /* ReportAddStatusView.swift in Sources */,
 				D6EE63FB2551F7F60065485C /* StatusCollapseButton.swift in Sources */,
 				D6CA8CDE296387310050C433 /* SaveToPhotosActivity.swift in Sources */,
@@ -2122,6 +2144,7 @@
 				D67C57AF21E28EAD00C3118B /* Array+Uniques.swift in Sources */,
 				D68A76F129539116001DA1B3 /* FlipView.swift in Sources */,
 				D6945C3223AC4D36005C403C /* HashtagTimelineViewController.swift in Sources */,
+				D6D79F2D2A0D61B400AB2315 /* StatusEditContentTextView.swift in Sources */,
 				D647D92824257BEB0005044F /* AttachmentPreviewViewController.swift in Sources */,
 				D61F75B5293BD97400C0B37F /* DeleteFilterService.swift in Sources */,
 				D6DFC6A0242C4CCC00ACC392 /* Weak.swift in Sources */,
@@ -2160,6 +2183,7 @@
 				D6E77D09286D25FA00D8B732 /* TrendingHashtagCollectionViewCell.swift in Sources */,
 				D667E5F12134D5050057A976 /* UIViewController+Delegates.swift in Sources */,
 				D6BC8748219738E1006163F1 /* EnhancedTableViewController.swift in Sources */,
+				D6D79F292A0D596B00AB2315 /* StatusEditHistoryViewController.swift in Sources */,
 				D6E426B325337C7000C02E1C /* CustomEmojiImageView.swift in Sources */,
 				D6D4DDD0212518A000E1C4BB /* AppDelegate.swift in Sources */,
 				D61F75B3293BD89C00C0B37F /* UpdateFilterService.swift in Sources */,

Tusker/CoreData/AccountMO.swift

@@ -18,6 +18,12 @@ public final class AccountMO: NSManagedObject, AccountProtocol {
         return NSFetchRequest<AccountMO>(entityName: "Account")
     }
     
+    @nonobjc public class func fetchRequest(url: URL) -> NSFetchRequest<AccountMO> {
+        let req = NSFetchRequest<AccountMO>(entityName: "Account")
+        req.predicate = NSPredicate(format: "url = %@", url as NSURL)
+        return req
+    }
+    
     @NSManaged public var acct: String
     @NSManaged public var avatar: URL?
     @NSManaged public var botCD: Bool

Tusker/Screens/Status Edit History/StatusEditCollectionViewCell.swift

@@ -0,0 +1,165 @@
+//
+//  StatusEditCollectionViewCell.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 5/11/23.
+//  Copyright © 2023 Shadowfacts. All rights reserved.
+//
+
+import UIKit
+import Pachyderm
+
+@MainActor
+protocol StatusEditCollectionViewCellDelegate: AnyObject, TuskerNavigationDelegate {
+    func statusEditCellNeedsReconfigure(_ cell: StatusEditCollectionViewCell, animated: Bool, completion: (() -> Void)?)
+}
+
+class StatusEditCollectionViewCell: UICollectionViewListCell {
+    
+    private lazy var contentVStack = UIStackView(arrangedSubviews: [
+        timestampLabel,
+        contentWarningLabel,
+        collapseButton,
+        contentContainer,
+    ]).configure {
+        $0.axis = .vertical
+        $0.spacing = 4
+        $0.alignment = .fill
+    }
+    
+    private lazy var timestampLabel = UILabel().configure {
+        $0.textColor = .secondaryLabel
+        $0.font = UIFont(descriptor: .preferredFontDescriptor(withTextStyle: .body).addingAttributes([
+            .traits: [
+                UIFontDescriptor.TraitKey.weight: UIFont.Weight.light.rawValue,
+            ]
+        ]), size: 0)
+        $0.adjustsFontForContentSizeCategory = true
+    }
+    
+    private lazy var contentWarningLabel = EmojiLabel().configure {
+        $0.numberOfLines = 0
+        $0.textColor = .secondaryLabel
+        $0.font = UIFont(descriptor: .preferredFontDescriptor(withTextStyle: .body).addingAttributes([
+            .traits: [
+                UIFontDescriptor.TraitKey.weight: UIFont.Weight.bold.rawValue
+            ]
+        ]), size: 0)
+        $0.adjustsFontForContentSizeCategory = true
+        $0.setContentHuggingPriority(.defaultHigh, for: .vertical)
+        $0.isUserInteractionEnabled = true
+        $0.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(collapseButtonPressed)))
+    }
+    
+    private lazy var collapseButton = StatusCollapseButton(configuration: {
+        var config = UIButton.Configuration.filled()
+        config.image = UIImage(systemName: "chevron.down")
+        return config
+    }()).configure {
+        $0.tintAdjustmentMode = .normal
+        $0.setContentHuggingPriority(.defaultHigh, for: .vertical)
+        $0.addTarget(self, action: #selector(collapseButtonPressed), for: .touchUpInside)
+    }
+    
+    private let contentContainer = StatusContentContainer<StatusEditContentTextView, StatusEditPollView>(useTopSpacer: false).configure {
+        $0.contentTextView.defaultFont = TimelineStatusCollectionViewCell.contentFont
+        $0.contentTextView.monospaceFont = TimelineStatusCollectionViewCell.monospaceFont
+        $0.contentTextView.paragraphStyle = TimelineStatusCollectionViewCell.contentParagraphStyle
+        $0.setContentHuggingPriority(.defaultLow, for: .vertical)
+    }
+    
+    weak var delegate: StatusEditCollectionViewCellDelegate?
+    private var mastodonController: MastodonController! { delegate?.apiController }
+    
+    private var edit: StatusEdit!
+    private var statusState: CollapseState!
+    
+    override init(frame: CGRect) {
+        super.init(frame: frame)
+        
+        contentVStack.translatesAutoresizingMaskIntoConstraints = false
+        contentView.addSubview(contentVStack)
+        NSLayoutConstraint.activate([
+            contentVStack.topAnchor.constraint(equalTo: contentView.topAnchor, constant: 8),
+            contentVStack.bottomAnchor.constraint(equalTo: contentView.bottomAnchor, constant: -6),
+            contentVStack.leadingAnchor.constraint(equalTo: contentView.leadingAnchor, constant: 16),
+            contentVStack.trailingAnchor.constraint(equalTo: contentView.trailingAnchor, constant: -16),
+        ])
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    // todo: accessibility
+    
+    
+    // MARK: Configure UI
+    
+    func updateUI(edit: StatusEdit, state: CollapseState, index: Int) {
+        self.edit = edit
+        self.statusState = state
+        
+        timestampLabel.text = ConversationMainStatusCollectionViewCell.dateFormatter.string(from: edit.createdAt)
+        
+        contentContainer.contentTextView.setTextFrom(edit: edit, index: index)
+        contentContainer.contentTextView.navigationDelegate = delegate
+        contentContainer.attachmentsView.delegate = self
+        contentContainer.attachmentsView.updateUI(attachments: edit.attachments)
+        contentContainer.pollView.isHidden = edit.poll == nil
+        contentContainer.pollView.updateUI(poll: edit.poll, emojis: edit.emojis)
+        contentContainer.cardView.isHidden = true
+        
+        contentWarningLabel.text = edit.spoilerText
+        contentWarningLabel.isHidden = edit.spoilerText.isEmpty
+        if !contentWarningLabel.isHidden {
+            contentWarningLabel.setEmojis(edit.emojis, identifier: index)
+        }
+        
+        _ = state.resolveFor(status: edit, height: {
+            layoutIfNeeded()
+            return contentContainer.visibleSubviewHeight
+        })
+        collapseButton.isHidden = !state.collapsible!
+        contentContainer.setCollapsed(state.collapsed!)
+        if state.collapsed! {
+            contentContainer.alpha = 0
+            // TODO: is this accessing the image view before the button's been laid out?
+            collapseButton.imageView!.transform = CGAffineTransform(rotationAngle: 0)
+            collapseButton.accessibilityLabel = NSLocalizedString("Expand Status", comment: "expand status button accessibility label")
+        } else {
+            contentContainer.alpha = 1
+            collapseButton.imageView!.transform = CGAffineTransform(rotationAngle: .pi)
+            collapseButton.accessibilityLabel = NSLocalizedString("Collapse Status", comment: "collapse status button accessibility label")
+        }
+    }
+    
+    // MARK: Interaction
+    
+    @objc private func collapseButtonPressed() {
+        statusState.collapsed!.toggle()
+        contentContainer.layer.masksToBounds = true
+        delegate?.statusEditCellNeedsReconfigure(self, animated: true) {
+            self.contentContainer.layer.masksToBounds = false
+        }
+    }
+    
+}
+
+extension StatusEditCollectionViewCell: AttachmentViewDelegate {
+    func attachmentViewGallery(startingAt index: Int) -> GalleryViewController? {
+        guard let delegate else {
+            return nil
+        }
+        let attachments = contentContainer.attachmentsView.attachments!
+        let sourceViews = attachments.map {
+            contentContainer.attachmentsView.getAttachmentView(for: $0)
+        }
+        let gallery = delegate.gallery(attachments: attachments, sourceViews: sourceViews, startIndex: index)
+        return gallery
+    }
+    
+    func attachmentViewPresent(_ vc: UIViewController, animated: Bool) {
+        delegate?.present(vc, animated: animated)
+    }
+}

Tusker/Screens/Status Edit History/StatusEditContentTextView.swift

@@ -0,0 +1,22 @@
+//
+//  StatusEditContentTextView.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 5/11/23.
+//  Copyright © 2023 Shadowfacts. All rights reserved.
+//
+
+import UIKit
+import Pachyderm
+import WebURL
+
+class StatusEditContentTextView: ContentTextView {
+    
+    func setTextFrom(edit: StatusEdit, index: Int) {
+        setTextFromHtml(edit.content)
+        setEmojis(edit.emojis, identifier: index)
+    }
+    
+    // mention links aren't included in the edit content, nothing else to do
+
+}

Tusker/Screens/Status Edit History/StatusEditHistoryViewController.swift

@@ -0,0 +1,208 @@
+//
+//  StatusEditHistoryViewController.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 5/11/23.
+//  Copyright © 2023 Shadowfacts. All rights reserved.
+//
+
+import UIKit
+import Pachyderm
+
+class StatusEditHistoryViewController: UIViewController, CollectionViewController {
+    
+    private let statusID: String
+    private let mastodonController: MastodonController
+    
+    private var state = State.unloaded
+    
+    private(set) var collectionView: UICollectionView!
+    private var dataSource: UICollectionViewDiffableDataSource<Section, Item>!
+    
+    init(statusID: String, mastodonController: MastodonController) {
+        self.statusID = statusID
+        self.mastodonController = mastodonController
+        
+        super.init(nibName: nil, bundle: nil)
+        
+        title = "Edit History"
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        
+        var config = UICollectionLayoutListConfiguration(appearance: .grouped)
+        config.backgroundColor = .appGroupedBackground
+        config.itemSeparatorHandler = { [unowned self] indexPath, sectionConfig in
+            guard let item = self.dataSource.itemIdentifier(for: indexPath) else {
+                return sectionConfig
+            }
+            var config = sectionConfig
+            if item.hideSeparators {
+                config.topSeparatorVisibility = .hidden
+                config.bottomSeparatorVisibility = .hidden
+            }
+            return config
+        }
+        let layout = UICollectionViewCompositionalLayout { sectionIndex, environment in
+            let section = NSCollectionLayoutSection.list(using: config, layoutEnvironment: environment)
+            if UIDevice.current.userInterfaceIdiom == .pad || UIDevice.current.userInterfaceIdiom == .mac {
+                section.contentInsetsReference = .readableContent
+            }
+            return section
+        }
+        collectionView = UICollectionView(frame: .zero, collectionViewLayout: layout)
+        collectionView.delegate = self
+        collectionView.translatesAutoresizingMaskIntoConstraints = false
+        view.addSubview(collectionView)
+        NSLayoutConstraint.activate([
+            collectionView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
+            collectionView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
+            collectionView.topAnchor.constraint(equalTo: view.topAnchor),
+            collectionView.bottomAnchor.constraint(equalTo: view.bottomAnchor),
+        ])
+        
+        dataSource = createDataSource()
+    }
+    
+    private func createDataSource() -> UICollectionViewDiffableDataSource<Section, Item> {
+        let editCell = UICollectionView.CellRegistration<StatusEditCollectionViewCell, (StatusEdit, CollapseState, Int)> { [unowned self] cell, indexPath, itemIdentifier in
+            cell.delegate = self
+            cell.updateUI(edit: itemIdentifier.0, state: itemIdentifier.1, index: itemIdentifier.2)
+        }
+        let loadingCell = UICollectionView.CellRegistration<LoadingCollectionViewCell, Void> { cell, indexPath, itemIdentifier in
+            cell.indicator.startAnimating()
+        }
+        return UICollectionViewDiffableDataSource(collectionView: collectionView) { collectionView, indexPath, itemIdentifier in
+            switch itemIdentifier {
+            case .edit(let edit, let state, index: let index):
+                return collectionView.dequeueConfiguredReusableCell(using: editCell, for: indexPath, item: (edit, state, index))
+            case .loadingIndicator:
+                return collectionView.dequeueConfiguredReusableCell(using: loadingCell, for: indexPath, item: ())
+            }
+        }
+    }
+    
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+        
+        clearSelectionOnAppear(animated: animated)
+        
+        if case .unloaded = state {
+            Task {
+                await load()
+            }
+        }
+    }
+    
+    private func load() async {
+        guard case .unloaded = state else {
+            return
+        }
+        state = .loading
+        
+        var snapshot = NSDiffableDataSourceSnapshot<Section, Item>()
+        snapshot.appendSections([.edits])
+        snapshot.appendItems([.loadingIndicator])
+        await apply(snapshot)
+        
+        let req = Status.history(statusID)
+        do {
+            let (edits, _) = try await mastodonController.run(req)
+            
+            var snapshot = NSDiffableDataSourceSnapshot<Section, Item>()
+            snapshot.appendSections([.edits])
+            // show them in reverse chronological order
+            snapshot.appendItems(edits.reversed().enumerated().map {
+                .edit($1, .unknown, index: $0)
+            })
+            await apply(snapshot)
+            
+            state = .loaded
+            
+        } catch {
+            state = .unloaded
+            let config = ToastConfiguration(from: error, with: "Error Loading Edits", in: self) { [weak self] toast in
+                toast.dismissToast(animated: true)
+                await self?.load()
+            }
+            self.showToast(configuration: config, animated: true)
+        }
+    }
+    
+    private func apply(_ snapshot: NSDiffableDataSourceSnapshot<Section, Item>) async {
+        await MainActor.run {
+            self.dataSource.apply(snapshot)
+        }
+    }
+    
+    enum State {
+        case unloaded
+        case loading
+        case loaded
+    }
+}
+
+extension StatusEditHistoryViewController {
+    enum Section {
+        case edits
+    }
+    enum Item: Hashable, Equatable {
+        case edit(StatusEdit, CollapseState, index: Int)
+        case loadingIndicator
+        
+        static func ==(lhs: Item, rhs: Item) -> Bool {
+            switch (lhs, rhs) {
+            case (.edit(_, _, let a), .edit(_, _, let b)):
+                return a == b
+            case (.loadingIndicator, .loadingIndicator):
+                return true
+            default:
+                return false
+            }
+        }
+        
+        func hash(into hasher: inout Hasher) {
+            switch self {
+            case .edit(_, _, index: let index):
+                hasher.combine(0)
+                hasher.combine(index)
+            case .loadingIndicator:
+                hasher.combine(1)
+            }
+        }
+        
+        var hideSeparators: Bool {
+            switch self {
+            case .loadingIndicator:
+                return true
+            default:
+                return false
+            }
+        }
+    }
+}
+
+extension StatusEditHistoryViewController: UICollectionViewDelegate {
+    func collectionView(_ collectionView: UICollectionView, shouldSelectItemAt indexPath: IndexPath) -> Bool {
+        return false
+    }
+}
+
+extension StatusEditHistoryViewController: TuskerNavigationDelegate {
+    nonisolated var apiController: MastodonController! { mastodonController }
+}
+
+extension StatusEditHistoryViewController: StatusEditCollectionViewCellDelegate {
+    func statusEditCellNeedsReconfigure(_ cell: StatusEditCollectionViewCell, animated: Bool, completion: (() -> Void)?) {
+        if let indexPath = collectionView.indexPath(for: cell) {
+            var snapshot = dataSource.snapshot()
+            snapshot.reconfigureItems([dataSource.itemIdentifier(for: indexPath)!])
+            dataSource.apply(snapshot, animatingDifferences: animated, completion: completion)
+        }
+    }
+}

Tusker/Screens/Status Edit History/StatusEditPollView.swift

@@ -0,0 +1,47 @@
+//
+//  StatusEditPollView.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 5/11/23.
+//  Copyright © 2023 Shadowfacts. All rights reserved.
+//
+
+import UIKit
+import Pachyderm
+
+class StatusEditPollView: UIStackView {
+    
+    init() {
+        super.init(frame: .zero)
+        
+        axis = .vertical
+        alignment = .leading
+        spacing = 4
+    }
+    
+    required init(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    func updateUI(poll: StatusEdit.Poll?, emojis: [Emoji]) {
+        arrangedSubviews.forEach { $0.removeFromSuperview() }
+        
+        for option in poll?.options ?? [] {
+            // the edit poll doesn't actually include the multiple value
+            let icon = PollOptionCheckboxView(multiple: false)
+            icon.readOnly = false // this is a lie, but it's only used for stylistic changes
+            let label = EmojiLabel()
+            label.text = option.title
+            label.setEmojis(emojis, identifier: Optional<String>.none)
+            let stack = UIStackView(arrangedSubviews: [
+                icon,
+                label,
+            ])
+            stack.axis = .horizontal
+            stack.alignment = .center
+            stack.spacing = 8
+            addArrangedSubview(stack)
+        }
+    }
+
+}

Tusker/Views/Attachments/AttachmentsContainerView.swift

@@ -60,15 +60,15 @@ class AttachmentsContainerView: UIView {
     
     // MARK: - User Interaface
     
-    func updateUI(status: StatusMO) {
+    func updateUI(attachments: [Attachment]) {
-        let showableAttachments = status.attachments.filter { AttachmentsContainerView.supportedAttachmentTypes.contains($0.kind) }
+        let attachments = attachments.filter { AttachmentsContainerView.supportedAttachmentTypes.contains($0.kind) }
-        let newTokens = showableAttachments.map { AttachmentToken(attachment: $0) }
+        let newTokens = attachments.map { AttachmentToken(attachment: $0) }
         
         guard self.attachmentTokens != newTokens else {
             return
         }
         
-        self.attachments = showableAttachments
+        self.attachments = attachments
         self.attachmentTokens = newTokens
         
         attachmentViews.allObjects.forEach { $0.removeFromSuperview() }

Tusker/Views/BaseEmojiLabel.swift

@@ -13,17 +13,18 @@ import WebURLFoundationExtras
 private let emojiRegex = try! NSRegularExpression(pattern: ":(\\w+):", options: [])
 
 protocol BaseEmojiLabel: AnyObject {
-    var emojiIdentifier: String? { get set }
+    var emojiIdentifier: AnyHashable? { get set }
     var emojiRequests: [ImageCache.Request] { get set }
     var emojiFont: UIFont { get }
     var emojiTextColor: UIColor { get }
 }
 
 extension BaseEmojiLabel {
-    func replaceEmojis(in attributedString: NSAttributedString, emojis: [Emoji], identifier: String?, setAttributedString: @escaping (_ attributedString: NSAttributedString, _ didReplaceEmojis: Bool) -> Void) {
+    func replaceEmojis<ID: Hashable>(in attributedString: NSAttributedString, emojis: [Emoji], identifier: ID?, setAttributedString: @escaping (_ attributedString: NSAttributedString, _ didReplaceEmojis: Bool) -> Void) {
         // blergh
         precondition(Thread.isMainThread)
         
+        let identifier = AnyHashable(identifier)
         emojiIdentifier = identifier
         emojiRequests.forEach { $0.cancel() }
         emojiRequests = []
@@ -138,7 +139,7 @@ extension BaseEmojiLabel {
         }
     }
     
-    func replaceEmojis(in string: String, emojis: [Emoji], identifier: String?, setAttributedString: @escaping (_ attributedString: NSAttributedString, _ didReplaceEmojis: Bool) -> Void) {
+    func replaceEmojis<ID: Hashable>(in string: String, emojis: [Emoji], identifier: ID?, setAttributedString: @escaping (_ attributedString: NSAttributedString, _ didReplaceEmojis: Bool) -> Void) {
         replaceEmojis(in: NSAttributedString(string: string), emojis: emojis, identifier: identifier, setAttributedString: setAttributedString)
     }
 }

Tusker/Views/ContentTextView.swift

@@ -42,7 +42,7 @@ class ContentTextView: LinkTextView, BaseEmojiLabel {
     
     private(set) var hasEmojis = false
     
-    var emojiIdentifier: String?
+    var emojiIdentifier: AnyHashable?
     var emojiRequests: [ImageCache.Request] = []
     var emojiFont: UIFont { defaultFont }
     var emojiTextColor: UIColor { defaultColor }
@@ -81,7 +81,7 @@ class ContentTextView: LinkTextView, BaseEmojiLabel {
     }
     
     // MARK: - Emojis
-    func setEmojis(_ emojis: [Emoji], identifier: String?) {
+    func setEmojis<ID: Hashable>(_ emojis: [Emoji], identifier: ID?) {
         replaceEmojis(in: attributedText!, emojis: emojis, identifier: identifier) { attributedString, didReplaceEmojis in
             guard didReplaceEmojis else {
                 return

Tusker/Views/EmojiLabel.swift

@@ -13,16 +13,16 @@ class EmojiLabel: UILabel, BaseEmojiLabel {
     
     private(set) var hasEmojis = false
     
-    var emojiIdentifier: String?
+    var emojiIdentifier: AnyHashable?
     var emojiRequests: [ImageCache.Request] = []
     var emojiFont: UIFont { font }
     var emojiTextColor: UIColor { textColor }
     
-    func setEmojis(_ emojis: [Emoji], identifier: String) {
+    func setEmojis<ID: Hashable>(_ emojis: [Emoji], identifier: ID?) {
         guard emojis.count > 0, let attributedText = attributedText else { return }
 
         replaceEmojis(in: attributedText, emojis: emojis, identifier: identifier) { [weak self] (newAttributedText, didReplaceEmojis) in
-            guard let self = self, self.emojiIdentifier == identifier else { return }
+            guard let self = self, self.emojiIdentifier == AnyHashable(identifier) else { return }
             self.hasEmojis = didReplaceEmojis
             self.attributedText = newAttributedText
             self.setNeedsLayout()

Tusker/Views/MultiSourceEmojiLabel.swift

@@ -12,14 +12,14 @@ import Pachyderm
 private let emojiRegex = try! NSRegularExpression(pattern: ":(\\w+):", options: [])
 
 class MultiSourceEmojiLabel: UILabel, BaseEmojiLabel {
-    var emojiIdentifier: String?
+    var emojiIdentifier: AnyHashable?
     var emojiRequests = [ImageCache.Request]()
     var emojiFont: UIFont { font }
     var emojiTextColor: UIColor { textColor }
     
     var combiner: (([NSAttributedString]) -> NSAttributedString)?
     
-    func setEmojis(pairs: [(String, [Emoji])], identifier: String) {
+    func setEmojis<ID: Hashable>(pairs: [(String, [Emoji])], identifier: ID) {
         guard pairs.count > 0 else { return }
         
         self.emojiIdentifier = identifier
@@ -40,7 +40,7 @@ class MultiSourceEmojiLabel: UILabel, BaseEmojiLabel {
             self.replaceEmojis(in: string, emojis: emojis, identifier: identifier) { (attributedString, _) in
                 attributedStrings[index] = attributedString
                 DispatchQueue.main.async { [weak self] in
-                    guard let self = self, self.emojiIdentifier == identifier else { return }
+                    guard let self = self, self.emojiIdentifier == AnyHashable(identifier) else { return }
                     recombine()
                 }
             }

Tusker/Views/Poll/PollOptionCheckboxView.swift

@@ -59,6 +59,10 @@ class PollOptionCheckboxView: UIView {
         fatalError("init(coder:) has not been implemented")
     }
     
+    override var intrinsicContentSize: CGSize {
+        CGSize(width: 20, height: 20)
+    }
+    
     private func updateStyle() {
         imageView.isHidden = !isChecked
         if voted || readOnly {

Tusker/Views/Poll/StatusPollView.swift

@@ -145,18 +145,23 @@ class StatusPollView: UIView {
     }
     
     @objc private func votePressed() {
+        guard let statusID,
+              let poll else {
+            return
+        }
+        
         optionsView.isEnabled = false
         voteButton.isEnabled = false
         voteButton.disabledTitle = "Voted"
         
         UIImpactFeedbackGenerator(style: .light).impactOccurred()
         
-        let request = Poll.vote(poll!.id, choices: optionsView.checkedOptionIndices)
+        let request = Poll.vote(poll.id, choices: optionsView.checkedOptionIndices)
         mastodonController.run(request) { (response) in
             switch response {
             case let .failure(error):
                 DispatchQueue.main.async {
-                    self.updateUI(status: self.mastodonController.persistentContainer.status(for: self.statusID)!, poll: self.poll)
+                    self.updateUI(status: self.mastodonController.persistentContainer.status(for: statusID)!, poll: poll)
                     
                     if let delegate = self.delegate {
                         let config = ToastConfiguration(from: error, with: "Error Voting", in: delegate, retryAction: nil)
@@ -167,7 +172,7 @@ class StatusPollView: UIView {
             case let .success(poll, _):
                 let container = self.mastodonController.persistentContainer
                 DispatchQueue.main.async {
-                    guard let status = container.status(for: self.statusID) else {
+                    guard let status = container.status(for: statusID) else {
                         return
                     }
                     status.poll = poll

Tusker/Views/Status/ConversationMainStatusCollectionViewCell.swift

@@ -116,7 +116,7 @@ class ConversationMainStatusCollectionViewCell: UICollectionViewListCell, Status
         $0.addTarget(self, action: #selector(collapseButtonPressed), for: .touchUpInside)
     }
     
-    let contentContainer = StatusContentContainer(useTopSpacer: true).configure {
+    let contentContainer = StatusContentContainer<StatusContentTextView, StatusPollView>(useTopSpacer: true).configure {
         $0.contentTextView.defaultFont = ConversationMainStatusCollectionViewCell.contentFont
         $0.contentTextView.monospaceFont = ConversationMainStatusCollectionViewCell.monospaceFont
         $0.contentTextView.paragraphStyle = ConversationMainStatusCollectionViewCell.contentParagraphStyle
@@ -154,8 +154,9 @@ class ConversationMainStatusCollectionViewCell: UICollectionViewListCell, Status
         $0.adjustsFontForContentSizeCategory = true
     }
     
-    private let editTimestampButton = UIButton().configure {
+    private lazy var editTimestampButton = UIButton().configure {
         $0.titleLabel!.adjustsFontForContentSizeCategory = true
+        $0.addTarget(self, action: #selector(editTimestampPressed), for: .touchUpInside)
         $0.isPointerInteractionEnabled = true
     }
     
@@ -454,6 +455,10 @@ class ConversationMainStatusCollectionViewCell: UICollectionViewListCell, Status
         toggleReblog()
     }
     
+    @objc private func editTimestampPressed() {
+        delegate?.show(StatusEditHistoryViewController(statusID: statusID, mastodonController: mastodonController), sender: nil)
+    }
+    
 }
 
 private class ConversationMainStatusAccountDetailAccessibilityElement: UIAccessibilityElement {

Tusker/Views/Status/StatusCollectionViewCell.swift

@@ -24,7 +24,7 @@ protocol StatusCollectionViewCell: UICollectionViewCell, AttachmentViewDelegate
     var usernameLabel: UILabel { get }
     var contentWarningLabel: EmojiLabel { get }
     var collapseButton: StatusCollapseButton { get }
-    var contentContainer: StatusContentContainer { get }
+    var contentContainer: StatusContentContainer<StatusContentTextView, StatusPollView> { get }
     var replyButton: UIButton { get }
     var favoriteButton: UIButton { get }
     var reblogButton: UIButton { get }
@@ -83,7 +83,7 @@ extension StatusCollectionViewCell {
         contentContainer.contentTextView.setTextFrom(status: status, precomputed: precomputedContent)
         contentContainer.contentTextView.navigationDelegate = delegate
         contentContainer.attachmentsView.delegate = self
-        contentContainer.attachmentsView.updateUI(status: status)
+        contentContainer.attachmentsView.updateUI(attachments: status.attachments)
         contentContainer.pollView.isHidden = status.poll == nil
         contentContainer.pollView.mastodonController = mastodonController
         contentContainer.pollView.delegate = delegate
@@ -129,10 +129,12 @@ extension StatusCollectionViewCell {
         // do not include reply action here, because the cell already contains a button for it
         moreButton.menu = UIMenu(title: "", image: nil, identifier: nil, options: [], children: delegate?.actionsForStatus(status, source: .view(moreButton), includeStatusButtonActions: false) ?? [])
         
-        if statusState.unknown {
+        let didResolve = statusState.resolveFor(status: status) {
             // layout so that we can take the content height into consideration when deciding whether to collapse
             layoutIfNeeded()
-            statusState.resolveFor(status: status, height: contentContainer.visibleSubviewHeight)
+            return contentContainer.visibleSubviewHeight
+        }
+        if didResolve {
             if statusState.collapsible! && showStatusAutomatically {
                 statusState.collapsed = false
             }

Tusker/Views/Status/StatusContentContainer.swift

@@ -8,7 +8,7 @@
 
 import UIKit
 
-class StatusContentContainer: UIView {
+class StatusContentContainer<ContentView: ContentTextView, PollView: UIView>: UIView {
     
     private var useTopSpacer = false
     private let topSpacer = UIView().configure {
@@ -17,7 +17,7 @@ class StatusContentContainer: UIView {
         $0.heightAnchor.constraint(equalToConstant: 4).isActive = true
     }
 
-    let contentTextView = StatusContentTextView().configure {
+    let contentTextView = ContentView().configure {
          $0.adjustsFontForContentSizeCategory = true
          $0.isScrollEnabled = false
          $0.backgroundColor = nil
@@ -33,7 +33,7 @@ class StatusContentContainer: UIView {
     
     let attachmentsView = AttachmentsContainerView()
     
-    let pollView = StatusPollView()
+    let pollView = PollView()
     
     private var arrangedSubviews: [UIView] {
         if useTopSpacer {

Tusker/Views/Status/TimelineStatusCollectionViewCell.swift

@@ -178,7 +178,7 @@ class TimelineStatusCollectionViewCell: UICollectionViewListCell, StatusCollecti
         $0.addTarget(self, action: #selector(collapseButtonPressed), for: .touchUpInside)
     }
     
-    let contentContainer = StatusContentContainer(useTopSpacer: false).configure {
+    let contentContainer = StatusContentContainer<StatusContentTextView, StatusPollView>(useTopSpacer: false).configure {
         $0.contentTextView.defaultFont = TimelineStatusCollectionViewCell.contentFont
         $0.contentTextView.monospaceFont = TimelineStatusCollectionViewCell.monospaceFont
         $0.contentTextView.paragraphStyle = TimelineStatusCollectionViewCell.contentParagraphStyle