Delete and redraft

DB/Sources/DB/Content/ContentDatabase.swift

@@ -221,6 +221,12 @@ public extension ContentDatabase {
         .eraseToAnyPublisher()
     }
 
+    func delete(id: Status.Id) -> AnyPublisher<Never, Error> {
+        databaseWriter.writePublisher(updates: StatusRecord.filter(StatusRecord.Columns.id == id).deleteAll)
+            .ignoreOutput()
+            .eraseToAnyPublisher()
+    }
+
     func unfollow(id: Account.Id) -> AnyPublisher<Never, Error> {
         databaseWriter.writePublisher {
             let statusIds = try Status.Id.fetchAll(

Localizations/Localizable.strings

@@ -156,6 +156,8 @@
 "share-extension-error.no-account-found" = "No account found";
 "status.bookmark" = "Bookmark";
 "status.content-warning-abbreviation" = "CW";
+"status.delete" = "Delete";
+"status.delete-and-redraft" = "Delete & re-draft";
 "status.mute" = "Mute conversation";
 "status.pin" = "Pin on profile";
 "status.pinned-post" = "Pinned post";

Mastodon/Sources/Mastodon/Entities/Status.swift

@@ -17,7 +17,7 @@ public final class Status: Codable, Identifiable {
     public let uri: String
     public let createdAt: Date
     public let account: Account
-    public let content: HTML
+    @DecodableDefault.EmptyHTML public private(set) var content: HTML
     public let visibility: Visibility
     public let sensitive: Bool
     public let spoilerText: String
@@ -77,7 +77,6 @@ public final class Status: Codable, Identifiable {
         self.uri = uri
         self.createdAt = createdAt
         self.account = account
-        self.content = content
         self.visibility = visibility
         self.sensitive = sensitive
         self.spoilerText = spoilerText
@@ -98,6 +97,7 @@ public final class Status: Codable, Identifiable {
         self.text = text
         self.pinned = pinned
         self.repliesCount = repliesCount
+        self.content = content
         self.favourited = favourited
         self.reblogged = reblogged
         self.muted = muted

Mastodon/Sources/Mastodon/Property Wrappers/DecodableDefault.swift

@@ -2,8 +2,6 @@
 
 import Foundation
 
-// Thank you https://www.swiftbysundell.com/tips/default-decoding-values/
-
 public protocol DecodableDefaultSource {
     associatedtype Value: Decodable
     static var defaultValue: Value { get }
@@ -40,6 +38,10 @@ public extension DecodableDefault {
             public static var defaultValue: String { "" }
         }
 
+        public enum EmptyHTML: Source {
+            public static var defaultValue: HTML { HTML(raw: "", attributed: NSAttributedString(string: "")) }
+        }
+
         public enum EmptyList<T: List>: Source {
             public static var defaultValue: T { [] }
         }
@@ -67,6 +69,7 @@ public extension DecodableDefault {
     typealias True = Wrapper<Sources.True>
     typealias False = Wrapper<Sources.False>
     typealias EmptyString = Wrapper<Sources.EmptyString>
+    typealias EmptyHTML = Wrapper<Sources.EmptyHTML>
     typealias EmptyList<T: List> = Wrapper<Sources.EmptyList<T>>
     typealias EmptyMap<T: Map> = Wrapper<Sources.EmptyMap<T>>
     typealias Zero = Wrapper<Sources.Zero>

MastodonAPI/Sources/MastodonAPI/Endpoints/StatusEndpoint.swift

@@ -16,6 +16,7 @@ public enum StatusEndpoint {
     case unpin(id: Status.Id)
     case mute(id: Status.Id)
     case unmute(id: Status.Id)
+    case delete(id: Status.Id)
     case post(Components)
 }
 
@@ -100,7 +101,7 @@ extension StatusEndpoint: Endpoint {
 
     public var pathComponentsInContext: [String] {
         switch self {
-        case let .status(id):
+        case let .status(id), let .delete(id):
             return [id]
         case let .reblog(id):
             return [id, "reblog"]
@@ -140,6 +141,8 @@ extension StatusEndpoint: Endpoint {
         switch self {
         case .status:
             return .get
+        case .delete:
+            return .delete
         default:
             return .post
         }

ServiceLayer/Sources/ServiceLayer/Services/StatusService.swift

@@ -72,6 +72,34 @@ public extension StatusService {
             .eraseToAnyPublisher()
     }
 
+    func delete() -> AnyPublisher<Status, Error> {
+        mastodonAPIClient.request(StatusEndpoint.delete(id: status.displayStatus.id))
+            .flatMap { status in contentDatabase.delete(id: status.id).collect().map { _ in status } }
+            .eraseToAnyPublisher()
+    }
+
+    func deleteAndRedraft() -> AnyPublisher<(Status, Self?), Error> {
+        let inReplyToPublisher: AnyPublisher<Self?, Never>
+
+        if let inReplyToId = status.displayStatus.inReplyToId {
+            inReplyToPublisher = mastodonAPIClient.request(StatusEndpoint.status(id: inReplyToId))
+                .map {
+                    Self(status: $0,
+                         mastodonAPIClient: mastodonAPIClient,
+                         contentDatabase: contentDatabase) as Self?
+                }
+                .replaceError(with: nil)
+                .eraseToAnyPublisher()
+        } else {
+            inReplyToPublisher = Just(nil).eraseToAnyPublisher()
+        }
+
+        return mastodonAPIClient.request(StatusEndpoint.delete(id: status.displayStatus.id))
+            .flatMap { status in contentDatabase.delete(id: status.id).collect().map { _ in status } }
+            .zip(inReplyToPublisher.setFailureType(to: Error.self))
+            .eraseToAnyPublisher()
+    }
+
     func rebloggedByService() -> AccountListService {
         AccountListService(
             endpoint: .rebloggedBy(id: status.id),

View Controllers/TableViewController.swift

@@ -2,6 +2,7 @@
 
 import AVKit
 import Combine
+import Mastodon
 import SafariServices
 import SwiftUI
 import ViewModels
@@ -248,6 +249,7 @@ private extension TableViewController {
 
         viewModel.alertItems
             .compactMap { $0 }
+            .handleEvents(receiveOutput: { print($0.error) })
             .sink { [weak self] in self?.present(alertItem: $0) }
             .store(in: &cancellables)
 
@@ -303,8 +305,8 @@ private extension TableViewController {
             handle(navigation: navigation)
         case let .attachment(attachmentViewModel, statusViewModel):
             present(attachmentViewModel: attachmentViewModel, statusViewModel: statusViewModel)
-        case let .reply(statusViewModel):
+        case let .compose(inReplyToViewModel, redraft):
-            reply(statusViewModel: statusViewModel)
+            compose(inReplyToViewModel: inReplyToViewModel, redraft: redraft)
         case let .report(reportViewModel):
             report(reportViewModel: reportViewModel)
         }
@@ -374,10 +376,11 @@ private extension TableViewController {
         }
     }
 
-    func reply(statusViewModel: StatusViewModel) {
+    func compose(inReplyToViewModel: StatusViewModel?, redraft: Status?) {
         let newStatusViewModel = rootViewModel.newStatusViewModel(
             identification: identification,
-            inReplyTo: statusViewModel)
+            inReplyTo: inReplyToViewModel,
+            redraft: redraft)
         let newStatusViewController = UIHostingController(rootView: NewStatusView { newStatusViewModel })
         let navigationController = UINavigationController(rootViewController: newStatusViewController)
 

ViewModels/Sources/ViewModels/CompositionViewModel.swift

@@ -8,16 +8,15 @@ import ServiceLayer
 public final class CompositionViewModel: AttachmentsRenderingViewModel, ObservableObject, Identifiable {
     public let id = Id()
     public var isPosted = false
-    @Published public var text = ""
+    @Published public var text: String
-    @Published public var contentWarning = ""
+    @Published public var contentWarning: String
-    @Published public var displayContentWarning = false
+    @Published public var displayContentWarning: Bool
-    @Published public var sensitive = false
+    @Published public var sensitive: Bool
-    @Published public var displayPoll = false
+    @Published public var displayPoll: Bool
-    @Published public var pollMultipleChoice = false
+    @Published public var pollMultipleChoice: Bool
-    @Published public var pollHideTotals = false
     @Published public var pollExpiresIn = PollExpiry.oneDay
-    @Published public private(set) var pollOptions = [PollOption(text: ""), PollOption(text: "")]
+    @Published public private(set) var pollOptions: [PollOption]
-    @Published public private(set) var attachmentViewModels = [AttachmentViewModel]()
+    @Published public private(set) var attachmentViewModels: [AttachmentViewModel]
     @Published public private(set) var attachmentUpload: AttachmentUpload?
     @Published public private(set) var isPostable = false
     @Published public private(set) var canAddAttachment = true
@@ -28,8 +27,24 @@ public final class CompositionViewModel: AttachmentsRenderingViewModel, Observab
     private let eventsSubject: PassthroughSubject<Event, Never>
     private var attachmentUploadCancellable: AnyCancellable?
 
-    init(eventsSubject: PassthroughSubject<Event, Never>) {
+    init(eventsSubject: PassthroughSubject<Event, Never>,
+         redraft: (status: Status, identification: Identification)? = nil) {
         self.eventsSubject = eventsSubject
+        text = redraft?.status.text ?? ""
+        contentWarning = redraft?.status.spoilerText ?? ""
+        displayContentWarning = !(redraft?.status.spoilerText.isEmpty ?? true)
+        sensitive = redraft?.status.sensitive ?? false
+        displayPoll = redraft?.status.poll != nil
+        pollMultipleChoice = redraft?.status.poll?.multiple ?? false
+        pollOptions = redraft?.status.poll?.options.map { PollOption(text: $0.title) }
+            ?? [PollOption(text: ""), PollOption(text: "")]
+        if let redraft = redraft {
+            attachmentViewModels = redraft.status.mediaAttachments.map {
+                AttachmentViewModel(attachment: $0, identification: redraft.identification)
+            }
+        } else {
+            attachmentViewModels = [AttachmentViewModel]()
+        }
 
         $text.map { !$0.isEmpty }
             .removeDuplicates()

ViewModels/Sources/ViewModels/Entities/CollectionItemEvent.swift

@@ -1,13 +1,14 @@
 // Copyright © 2020 Metabolist. All rights reserved.
 
 import Foundation
+import Mastodon
 import ServiceLayer
 
 public enum CollectionItemEvent {
     case ignorableOutput
     case navigation(Navigation)
     case attachment(AttachmentViewModel, StatusViewModel)
-    case reply(StatusViewModel)
+    case compose(inReplyTo: StatusViewModel?, redraft: Status?)
     case report(ReportViewModel)
     case share(URL)
 }

ViewModels/Sources/ViewModels/NewStatusViewModel.swift

@@ -26,12 +26,24 @@ public final class NewStatusViewModel: ObservableObject {
     public init(allIdentitiesService: AllIdentitiesService,
                 identification: Identification,
                 environment: AppEnvironment,
-                inReplyTo: StatusViewModel?) {
+                inReplyTo: StatusViewModel?,
+                redraft: Status?) {
         self.allIdentitiesService = allIdentitiesService
         self.identification = identification
         self.environment = environment
         inReplyToViewModel = inReplyTo
-        compositionViewModels = [CompositionViewModel(eventsSubject: compositionEventsSubject)]
+
+        let redraftAndIdentification: (status: Status, identification: Identification)?
+
+        if let redraft = redraft {
+            redraftAndIdentification = (status: redraft, identification: identification)
+        } else {
+            redraftAndIdentification = nil
+        }
+
+        compositionViewModels = [CompositionViewModel(
+                                    eventsSubject: compositionEventsSubject,
+                                    redraft: redraftAndIdentification)]
         events = eventsSubject.eraseToAnyPublisher()
         visibility = identification.identity.preferences.postingDefaultVisibility
         allIdentitiesService.authenticatedIdentitiesPublisher()

ViewModels/Sources/ViewModels/RootViewModel.swift

@@ -2,6 +2,7 @@
 
 import Combine
 import Foundation
+import Mastodon
 import ServiceLayer
 
 public final class RootViewModel: ObservableObject {
@@ -58,12 +59,16 @@ public extension RootViewModel {
             instanceURLService: InstanceURLService(environment: environment))
     }
 
-    func newStatusViewModel(identification: Identification, inReplyTo: StatusViewModel? = nil) -> NewStatusViewModel {
+    func newStatusViewModel(
+        identification: Identification,
+        inReplyTo: StatusViewModel? = nil,
+        redraft: Status? = nil) -> NewStatusViewModel {
         NewStatusViewModel(
             allIdentitiesService: allIdentitiesService,
             identification: identification,
             environment: environment,
-            inReplyTo: inReplyTo)
+            inReplyTo: inReplyTo,
+            redraft: redraft)
     }
 }
 

ViewModels/Sources/ViewModels/ShareExtensionNavigationViewModel.swift

@@ -37,6 +37,7 @@ public extension ShareExtensionNavigationViewModel {
             allIdentitiesService: allIdentitiesService,
             identification: identification,
             environment: environment,
-            inReplyTo: nil)
+            inReplyTo: nil,
+            redraft: nil)
     }
 }

ViewModels/Sources/ViewModels/StatusViewModel.swift

@@ -213,7 +213,10 @@ public extension StatusViewModel {
 
         replyViewModel.configuration = configuration.reply()
 
-        eventsSubject.send(Just(.reply(replyViewModel)).setFailureType(to: Error.self).eraseToAnyPublisher())
+        eventsSubject.send(
+            Just(.compose(inReplyTo: replyViewModel, redraft: nil))
+                .setFailureType(to: Error.self)
+                .eraseToAnyPublisher())
     }
 
     func toggleReblogged() {
@@ -251,6 +254,35 @@ public extension StatusViewModel {
                 .eraseToAnyPublisher())
     }
 
+    func delete() {
+        eventsSubject.send(
+            statusService.delete()
+                .map { _ in .ignorableOutput }
+                .eraseToAnyPublisher())
+    }
+
+    func deleteAndRedraft() {
+        let identification = self.identification
+
+        eventsSubject.send(
+            statusService.deleteAndRedraft()
+                .map { redraft, inReplyToStatusService in
+                    let inReplyToViewModel: StatusViewModel?
+
+                    if let inReplyToStatusService = inReplyToStatusService {
+                        inReplyToViewModel = Self(
+                            statusService: inReplyToStatusService,
+                            identification: identification)
+                        inReplyToViewModel?.configuration = CollectionItem.StatusConfiguration.default.reply()
+                    } else {
+                        inReplyToViewModel = nil
+                    }
+
+                    return .compose(inReplyTo: inReplyToViewModel, redraft: redraft)
+                }
+                .eraseToAnyPublisher())
+    }
+
     func attachmentSelected(viewModel: AttachmentViewModel) {
         eventsSubject.send(Just(.attachment(viewModel, self)).setFailureType(to: Error.self).eraseToAnyPublisher())
     }

Views/CompositionPollOptionView.swift

@@ -49,6 +49,7 @@ private extension CompositionPollOptionView {
             UIAction { [weak self] _ in
                 self?.option.text = textField.text ?? "" },
             for: .editingChanged)
+        textField.text = option.text
 
         stackView.addArrangedSubview(remainingCharactersLabel)
         remainingCharactersLabel.adjustsFontForContentSizeCategory = true

Views/Status/StatusView.swift

@@ -419,13 +419,27 @@ private extension StatusView {
         }
 
         if viewModel.isMine {
-            menuItems.append(UIAction(
+            menuItems += [
+                UIAction(
                     title: viewModel.muted
                         ? NSLocalizedString("status.unmute", comment: "")
                         : NSLocalizedString("status.mute", comment: ""),
                     image: UIImage(systemName: viewModel.muted ? "speaker" : "speaker.slash")) { _ in
                     viewModel.toggleMuted()
-            })
+                },
+                UIAction(
+                    title: NSLocalizedString("status.delete", comment: ""),
+                    image: UIImage(systemName: "trash"),
+                    attributes: .destructive) { _ in
+                    viewModel.delete()
+                },
+                UIAction(
+                    title: NSLocalizedString("status.delete-and-redraft", comment: ""),
+                    image: UIImage(systemName: "trash.circle"),
+                    attributes: .destructive) { _ in
+                    viewModel.deleteAndRedraft()
+                }
+            ]
         } else {
             menuItems.append(UIAction(
                 title: NSLocalizedString("report", comment: ""),