ios: delivery receipts (#2701)

* ios: delivery receipts wip

* remove state variable

* fix 1 toggle

* fix 2nd toggle

* undo some changes, remove prints, remove commented code

* remove diff

* icon color

* comment

* refactor, double tick

* remove color from spaces

* update messages

* do not show Enable delievery receipts screen if any of the profiles was enabled

* update footer

* fix text

* better double ticks

* softer double tick

* improve double ticks

* a bit bigger gap in double tick

---------

Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>

apps/ios/Shared/Model/SimpleXAPI.swift

@@ -159,6 +159,18 @@ func apiSetActiveUserAsync(_ userId: Int64, viewPwd: String?) async throws -> Us
     throw r
 }
 
+func apiSetAllContactReceipts(enable: Bool) async throws {
+    let r = await chatSendCmd(.setAllContactReceipts(enable: enable))
+    if case .cmdOk = r { return }
+    throw r
+}
+
+func apiSetUserContactReceipts(_ userId: Int64, userMsgReceiptSettings: UserMsgReceiptSettings) async throws {
+    let r = await chatSendCmd(.apiSetUserContactReceipts(userId: userId, userMsgReceiptSettings: userMsgReceiptSettings))
+    if case .cmdOk = r { return }
+    throw r
+}
+
 func apiHideUser(_ userId: Int64, viewPwd: String) async throws -> User {
     try await setUserPrivacy_(.apiHideUser(userId: userId, viewPwd: viewPwd))
 }
@@ -1121,6 +1133,7 @@ func startChat(refreshInvitations: Bool = true) throws {
             m.onboardingStage = [.step1_SimpleXInfo, .step2_CreateProfile].contains(savedOnboardingStage) && m.users.count == 1
                                 ? .step3_CreateSimpleXAddress
                                 : savedOnboardingStage
+            // TODO don't show on first start
             if m.onboardingStage == .onboardingComplete && !privacyDeliveryReceiptsSet.get() {
                 m.setDeliveryReceipts = true
             }

apps/ios/Shared/Views/Chat/ChatInfoView.swift

@@ -71,6 +71,21 @@ enum SendReceipts: Identifiable, Hashable {
         case let .userDefault(on): return on ? "default (yes)" : "default (no)"
         }
     }
+
+    func bool() -> Bool? {
+        switch self {
+        case .yes: return true
+        case .no: return false
+        case .userDefault: return nil
+        }
+    }
+
+    static func fromBool(_ enable: Bool?, userDefault def: Bool) -> SendReceipts {
+        if let enable = enable {
+            return enable ? .yes : .no
+        }
+        return .userDefault(def)
+    }
 }
 
 struct ChatInfoView: View {
@@ -84,7 +99,8 @@ struct ChatInfoView: View {
     @Binding var connectionCode: String?
     @FocusState private var aliasTextFieldFocused: Bool
     @State private var alert: ChatInfoViewAlert? = nil
-    @State private var sendReceipts = SendReceipts.yes
+    @State private var sendReceipts = SendReceipts.userDefault(true)
+    @State private var sendReceiptsUserDefault = true
     @AppStorage(DEFAULT_DEVELOPER_TOOLS) private var developerTools = false
 
     enum ChatInfoViewAlert: Identifiable {
@@ -200,6 +216,12 @@ struct ChatInfoView: View {
             .navigationBarHidden(true)
         }
         .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .top)
+        .onAppear {
+            if let currentUser = chatModel.currentUser {
+                sendReceiptsUserDefault = currentUser.sendRcptsContacts
+            }
+            sendReceipts = SendReceipts.fromBool(contact.chatSettings.sendRcpts, userDefault: sendReceiptsUserDefault)
+        }
         .alert(item: $alert) { alertItem in
             switch(alertItem) {
             case .deleteContactAlert: return deleteContactAlert()
@@ -315,13 +337,22 @@ struct ChatInfoView: View {
 
     private func sendReceiptsOption() -> some View {
         Picker(selection: $sendReceipts) {
-            ForEach([.yes, .no, .userDefault(true)]) { (opt: SendReceipts) in
+            ForEach([.yes, .no, .userDefault(sendReceiptsUserDefault)]) { (opt: SendReceipts) in
                 Text(opt.text)
             }
         } label: {
             Label("Send receipts", systemImage: "checkmark.message")
         }
         .frame(height: 36)
+        .onChange(of: sendReceipts) { _ in
+            setSendReceipts()
+        }
+    }
+
+    private func setSendReceipts() {
+        var chatSettings = chat.chatInfo.chatSettings ?? ChatSettings.defaults
+        chatSettings.sendRcpts = sendReceipts.bool()
+        updateChatSettings(chat, chatSettings: chatSettings)
     }
 
     private func synchronizeConnectionButton() -> some View {

apps/ios/Shared/Views/Chat/ChatItem/CIMetaView.swift

@@ -18,12 +18,30 @@ struct CIMetaView: View {
         if chatItem.isDeletedContent {
             chatItem.timestampText.font(.caption).foregroundColor(metaColor)
         } else {
-            ciMetaText(chatItem.meta, chatTTL: chat.chatInfo.timedMessagesTTL, color: metaColor)
+            let meta = chatItem.meta
+            let ttl = chat.chatInfo.timedMessagesTTL
+            switch meta.itemStatus {
+            case .sndSent:
+                ciMetaText(meta, chatTTL: ttl, color: metaColor, sent: .sent)
+            case .sndRcvd:
+                ZStack {
+                    ciMetaText(meta, chatTTL: ttl, color: metaColor, sent: .rcvd1)
+                    ciMetaText(meta, chatTTL: ttl, color: metaColor, sent: .rcvd2)
+                }
+            default:
+                ciMetaText(meta, chatTTL: ttl, color: metaColor)
+            }
         }
     }
 }
 
-func ciMetaText(_ meta: CIMeta, chatTTL: Int?, color: Color = .clear, transparent: Bool = false) -> Text {
+enum SentCheckmark {
+    case sent
+    case rcvd1
+    case rcvd2
+}
+
+func ciMetaText(_ meta: CIMeta, chatTTL: Int?, color: Color = .clear, transparent: Bool = false, sent: SentCheckmark? = nil) -> Text {
     var r = Text("")
     if meta.itemEdited {
         r = r + statusIconText("pencil", color)
@@ -37,7 +55,16 @@ func ciMetaText(_ meta: CIMeta, chatTTL: Int?, color: Color = .clear, transparen
         r = r + Text(" ")
     }
     if let (icon, statusColor) = meta.statusIcon(color) {
-        r = r + statusIconText(icon, transparent ? .clear : statusColor) + Text(" ")
+        let t = Text(Image(systemName: icon)).font(.caption2)
+        let gap = Text("  ").kerning(-1.25)
+        let t1 = t.foregroundColor(transparent ? .clear : statusColor.opacity(0.67))
+        switch sent {
+        case nil: r = r + t1
+        case .sent: r = r + t1 + gap
+        case .rcvd1: r = r + t.foregroundColor(transparent ? .clear : color.opacity(0.67)) + gap
+        case .rcvd2: r = r + gap + t1
+        }
+        r = r + Text(" ")
     } else if !meta.disappearing {
         r = r + statusIconText("circlebadge.fill", .clear) + Text(" ")
     }

apps/ios/Shared/Views/Onboarding/WhatsNewView.swift

@@ -248,7 +248,7 @@ private let versionDescriptions: [VersionDescription] = [
             FeatureDescription(
                 icon: "gift",
                 title: "A few more things",
-                description: "- more stabile message delivery.\n- a bit better groups.\n- and more!"
+                description: "- more stable message delivery.\n- a bit better groups.\n- and more!"
             ),
         ]
     )

apps/ios/Shared/Views/UserSettings/PrivacySettings.swift

@@ -10,12 +10,28 @@ import SwiftUI
 import SimpleXChat
 
 struct PrivacySettings: View {
+    @EnvironmentObject var m: ChatModel
     @AppStorage(DEFAULT_PRIVACY_ACCEPT_IMAGES) private var autoAcceptImages = true
     @AppStorage(DEFAULT_PRIVACY_LINK_PREVIEWS) private var useLinkPreviews = true
     @State private var simplexLinkMode = privacySimplexLinkModeDefault.get()
     @AppStorage(DEFAULT_PRIVACY_PROTECT_SCREEN) private var protectScreen = false
     @AppStorage(DEFAULT_PERFORM_LA) private var prefPerformLA = false
     @State private var currentLAMode = privacyLocalAuthModeDefault.get()
+    @State private var contactReceipts = false
+    @State private var contactReceiptsReset = false
+    @State private var contactReceiptsOverrides = 0
+    @State private var contactReceiptsDialogue = false
+    @State private var alert: PrivacySettingsViewAlert?
+
+    enum PrivacySettingsViewAlert: Identifiable {
+        case error(title: LocalizedStringKey, error: LocalizedStringKey = "")
+
+        var id: String {
+            switch self {
+            case let .error(title, _): return "error \(title)"
+            }
+        }
+    }
 
     var body: some View {
         VStack {
@@ -71,22 +87,99 @@ struct PrivacySettings: View {
 
                 Section {
                     settingsRow("person") {
-                        Toggle("Contacts", isOn: $useLinkPreviews)
+                        Toggle("Contacts", isOn: $contactReceipts)
                     }
-                    settingsRow("person.2") {
+//                    settingsRow("person.2") {
-                        Toggle("Small groups (max 10)", isOn: Binding.constant(false))
+//                        Toggle("Small groups (max 20)", isOn: Binding.constant(false))
-                    }
+//                    }
-                    .foregroundColor(.secondary)
-                    .disabled(true)
                 } header: {
                     Text("Send delivery receipts to")
                 } footer: {
                     VStack(alignment: .leading) {
                         Text("These settings are for your current profile **\(ChatModel.shared.currentUser?.displayName ?? "")**.")
-                        Text("They can be overridden in contact and group settings")
+                        Text("They can be overridden in contact settings")
                     }
                     .frame(maxWidth: .infinity, alignment: .leading)
                 }
+                .confirmationDialog(contactReceiptsDialogTitle, isPresented: $contactReceiptsDialogue, titleVisibility: .visible) {
+                    Button(contactReceipts ? "Enable (keep overrides)" : "Disable (keep overrides)") {
+                        setSendReceiptsContacts(contactReceipts, clearOverrides: false)
+                    }
+                    Button(contactReceipts ? "Enable for all" : "Disable for all", role: .destructive) {
+                        setSendReceiptsContacts(contactReceipts, clearOverrides: true)
+                    }
+                    Button("Cancel", role: .cancel) {
+                        contactReceiptsReset = true
+                        contactReceipts.toggle()
+                    }
+                }
+            }
+        }
+        .onChange(of: contactReceipts) { _ in // sometimes there is race with onAppear
+            if contactReceiptsReset {
+                contactReceiptsReset = false
+            } else {
+                setOrAskSendReceiptsContacts(contactReceipts)
+            }
+        }
+        .onAppear {
+            if let u = m.currentUser, contactReceipts != u.sendRcptsContacts {
+                contactReceiptsReset = true
+                contactReceipts = u.sendRcptsContacts
+            }
+        }
+        .alert(item: $alert) { alert in
+            switch alert {
+            case let .error(title, error):
+                return Alert(title: Text(title), message: Text(error))
+            }
+        }
+    }
+
+    private func setOrAskSendReceiptsContacts(_ enable: Bool) {
+        contactReceiptsOverrides = m.chats.reduce(0) { count, chat in
+            let sendRcpts = chat.chatInfo.contact?.chatSettings.sendRcpts
+            return count + (sendRcpts == nil || sendRcpts == enable ? 0 : 1)
+        }
+        if contactReceiptsOverrides == 0 {
+            setSendReceiptsContacts(enable, clearOverrides: false)
+        } else {
+            contactReceiptsDialogue = true
+        }
+    }
+
+    private var contactReceiptsDialogTitle: LocalizedStringKey {
+        contactReceipts
+        ? "Sending receipts is disabled for \(contactReceiptsOverrides) contacts"
+        : "Sending receipts is enabled for \(contactReceiptsOverrides) contacts"
+    }
+
+    private func setSendReceiptsContacts(_ enable: Bool, clearOverrides: Bool) {
+        Task {
+            do {
+                if let currentUser = m.currentUser {
+                    let userMsgReceiptSettings = UserMsgReceiptSettings(enable: enable, clearOverrides: clearOverrides)
+                    try await apiSetUserContactReceipts(currentUser.userId, userMsgReceiptSettings: userMsgReceiptSettings)
+                    privacyDeliveryReceiptsSet.set(true)
+                    await MainActor.run {
+                        var updatedUser = currentUser
+                        updatedUser.sendRcptsContacts = enable
+                        m.updateUser(updatedUser)
+                        if clearOverrides {
+                            m.chats.forEach { chat in
+                                if var contact = chat.chatInfo.contact {
+                                    let sendRcpts = contact.chatSettings.sendRcpts
+                                    if sendRcpts != nil && sendRcpts != enable {
+                                        contact.chatSettings.sendRcpts = nil
+                                        m.updateContact(contact)
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            } catch let error {
+                alert = .error(title: "Error setting delivery receipts!", error: "Error: \(responseError(error))")
             }
         }
     }

apps/ios/Shared/Views/UserSettings/SetDeliveryReceiptsView.swift

@@ -7,6 +7,7 @@
 //
 
 import SwiftUI
+import SimpleXChat
 
 struct SetDeliveryReceiptsView: View {
     @EnvironmentObject var m: ChatModel
@@ -22,36 +23,61 @@ struct SetDeliveryReceiptsView: View {
             Spacer()
 
             Button("Enable") {
-                m.setDeliveryReceipts = false
+                Task {
+                    do {
+                        try await apiSetAllContactReceipts(enable: true)
+                        await MainActor.run {
+                            m.setDeliveryReceipts = false
+                            privacyDeliveryReceiptsSet.set(true)
+                        }
+                    } catch let error {
+                        AlertManager.shared.showAlert(Alert(
+                            title: Text("Error enabling delivery receipts!"),
+                            message: Text("Error: \(responseError(error))")
+                        ))
+                        await MainActor.run {
+                            m.setDeliveryReceipts = false
+                        }
+                    }
+                }
             }
             .font(.largeTitle)
             Group {
                 if m.users.count > 1 {
-                    Text("Delivery receipts will be enabled for all contacts in all visible chat profiles.")
+                    Text("Sending delivery receipts will be enabled for all contacts in all visible chat profiles.")
                 } else {
-                    Text("Delivery receipts will be enabled for all contacts.")
+                    Text("Sending delivery receipts will be enabled for all contacts.")
                 }
             }
             .multilineTextAlignment(.center)
 
             Spacer()
 
-            Button("Enable later via Settings") {
+            VStack(spacing: 8) {
-                AlertManager.shared.showAlert(Alert(
+                Button {
-                    title: Text("Delivery receipts are disabled!"),
+                    AlertManager.shared.showAlert(Alert(
-                    message: Text("You can enable them later via app Privacy & Security settings."),
+                        title: Text("Delivery receipts are disabled!"),
-                    primaryButton: .default(Text("Don't show again")) {
+                        message: Text("You can enable them later via app Privacy & Security settings."),
-                        m.setDeliveryReceipts = false
+                        primaryButton: .default(Text("Don't show again")) {
-                    },
+                            m.setDeliveryReceipts = false
-                    secondaryButton: .default(Text("Ok")) {
+                            privacyDeliveryReceiptsSet.set(true)
-                        m.setDeliveryReceipts = false
+                        },
+                        secondaryButton: .default(Text("Ok")) {
+                            m.setDeliveryReceipts = false
+                        }
+                    ))
+                } label: {
+                    HStack {
+                        Text("Don't enable")
+                        Image(systemName: "chevron.right")
                     }
-                ))
+                }
+                Text("You can enable later via Settings").font(.footnote)
             }
         }
         .padding()
         .padding(.horizontal)
-        .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .topLeading)
+        .frame(maxWidth: .infinity, maxHeight: .infinity)
         .background(Color(uiColor: .systemBackground))
     }
 }

apps/ios/SimpleX.xcodeproj/project.pbxproj

@@ -160,11 +160,11 @@
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-		6450415D2A5C5749000221AD /* libgmpxx.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 645041582A5C5748000221AD /* libgmpxx.a */; };
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-		645041542A5C5748000221AD /* libffi.a */ = {isa = PBXFileReference; lastKnownFileType = archive.ar; path = libffi.a; sourceTree = "<group>"; };
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-				645041592A5C5749000221AD /* libffi.a in Frameworks */,
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-				6450415B2A5C5749000221AD /* libHSsimplex-chat-5.2.0.1-EEhQOsrCplxKU03XLccWe7-ghc8.10.7.a in Frameworks */,
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+				64519A142A615B010011988A /* libgmp.a */,
-				645041582A5C5748000221AD /* libgmpxx.a */,
+				64519A132A615B010011988A /* libgmpxx.a */,
-				645041562A5C5748000221AD /* libHSsimplex-chat-5.2.0.1-EEhQOsrCplxKU03XLccWe7-ghc8.10.7.a */,
+				64519A162A615B010011988A /* libHSsimplex-chat-5.2.0.1-7dcwuQLxmes5EQ6Qc6lMkL-ghc8.10.7.a */,
-				645041572A5C5748000221AD /* libHSsimplex-chat-5.2.0.1-EEhQOsrCplxKU03XLccWe7.a */,
+				64519A152A615B010011988A /* libHSsimplex-chat-5.2.0.1-7dcwuQLxmes5EQ6Qc6lMkL.a */,
 			);
 			path = Libraries;
 			sourceTree = "<group>";

apps/ios/SimpleXChat/APITypes.swift

@@ -17,6 +17,8 @@ public enum ChatCommand {
     case createActiveUser(profile: Profile?, sameServers: Bool, pastTimestamp: Bool)
     case listUsers
     case apiSetActiveUser(userId: Int64, viewPwd: String?)
+    case setAllContactReceipts(enable: Bool)
+    case apiSetUserContactReceipts(userId: Int64, userMsgReceiptSettings: UserMsgReceiptSettings)
     case apiHideUser(userId: Int64, viewPwd: String)
     case apiUnhideUser(userId: Int64, viewPwd: String)
     case apiMuteUser(userId: Int64)
@@ -122,6 +124,10 @@ public enum ChatCommand {
                 return "/_create user \(encodeJSON(user))"
             case .listUsers: return "/users"
             case let .apiSetActiveUser(userId, viewPwd): return "/_user \(userId)\(maybePwd(viewPwd))"
+            case let .setAllContactReceipts(enable): return "/set receipts all \(onOff(enable))"
+            case let .apiSetUserContactReceipts(userId, userMsgReceiptSettings):
+                let umrs = userMsgReceiptSettings
+                return "/_set receipts \(userId) \(onOff(umrs.enable)) clear_overrides=\(onOff(umrs.clearOverrides))"
             case let .apiHideUser(userId, viewPwd): return "/_hide user \(userId) \(encodeJSON(viewPwd))"
             case let .apiUnhideUser(userId, viewPwd): return "/_unhide user \(userId) \(encodeJSON(viewPwd))"
             case let .apiMuteUser(userId): return "/_mute user \(userId)"
@@ -249,6 +255,8 @@ public enum ChatCommand {
             case .createActiveUser: return "createActiveUser"
             case .listUsers: return "listUsers"
             case .apiSetActiveUser: return "apiSetActiveUser"
+            case .setAllContactReceipts: return "setAllContactReceipts"
+            case .apiSetUserContactReceipts: return "apiSetUserContactReceipts"
             case .apiHideUser: return "apiHideUser"
             case .apiUnhideUser: return "apiUnhideUser"
             case .apiMuteUser: return "apiMuteUser"
@@ -1134,14 +1142,26 @@ public struct KeepAliveOpts: Codable, Equatable {
 
 public struct ChatSettings: Codable {
     public var enableNtfs: Bool
+    public var sendRcpts: Bool?
     public var favorite: Bool
 
-    public init(enableNtfs: Bool, favorite: Bool) {
+    public init(enableNtfs: Bool, sendRcpts: Bool?, favorite: Bool) {
         self.enableNtfs = enableNtfs
+        self.sendRcpts = sendRcpts
         self.favorite = favorite
     }
 
-    public static let defaults: ChatSettings = ChatSettings(enableNtfs: true, favorite: false)
+    public static let defaults: ChatSettings = ChatSettings(enableNtfs: true, sendRcpts: nil, favorite: false)
+}
+
+public struct UserMsgReceiptSettings: Codable {
+    public var enable: Bool
+    public var clearOverrides: Bool
+
+    public init(enable: Bool, clearOverrides: Bool) {
+        self.enable = enable
+        self.clearOverrides = clearOverrides
+    }
 }
 
 public struct ConnectionStats: Decodable {

apps/ios/SimpleXChat/ChatTypes.swift

@@ -16,6 +16,8 @@ public struct User: Decodable, NamedChat, Identifiable {
     public var profile: LocalProfile
     public var fullPreferences: FullPreferences
     public var activeUser: Bool
+    public var sendRcptsContacts: Bool
+    public var sendRcptsSmallGroups: Bool
 
     public var displayName: String { get { profile.displayName } }
     public var fullName: String { get { profile.fullName } }
@@ -44,6 +46,8 @@ public struct User: Decodable, NamedChat, Identifiable {
         profile: LocalProfile.sampleData,
         fullPreferences: FullPreferences.sampleData,
         activeUser: true,
+        sendRcptsContacts: true,
+        sendRcptsSmallGroups: false,
         showNtfs: true
     )
 }
@@ -2269,6 +2273,11 @@ public struct CIMeta: Decodable {
     public func statusIcon(_ metaColor: Color = .secondary) -> (String, Color)? {
         switch itemStatus {
         case .sndSent: return ("checkmark", metaColor)
+        case let .sndRcvd(msgRcptStatus):
+            switch msgRcptStatus {
+            case .ok: return ("checkmark", metaColor) // ("checkmark.circle", metaColor)
+            case .badMsgHash: return ("checkmark", .red) // ("checkmark.circle", .red)
+            }
         case .sndErrorAuth: return ("multiply", .red)
         case .sndError: return ("exclamationmark.triangle.fill", .yellow)
         case .rcvNew: return ("circlebadge.fill", Color.accentColor)
@@ -2337,6 +2346,7 @@ private func recent(_ date: Date) -> Bool {
 public enum CIStatus: Decodable {
     case sndNew
     case sndSent
+    case sndRcvd(msgRcptStatus: MsgReceiptStatus)
     case sndErrorAuth
     case sndError(agentError: String)
     case rcvNew
@@ -2344,16 +2354,22 @@ public enum CIStatus: Decodable {
 
     var id: String {
         switch self {
-        case .sndNew: return  "sndNew"
+        case .sndNew: return "sndNew"
-        case .sndSent: return  "sndSent"
+        case .sndSent: return "sndSent"
-        case .sndErrorAuth: return  "sndErrorAuth"
+        case .sndRcvd: return "sndRcvd"
-        case .sndError: return  "sndError"
+        case .sndErrorAuth: return "sndErrorAuth"
-        case .rcvNew: return  "rcvNew"
+        case .sndError: return "sndError"
+        case .rcvNew: return "rcvNew"
         case .rcvRead: return "rcvRead"
         }
     }
 }
 
+public enum MsgReceiptStatus: String, Decodable {
+    case ok
+    case badMsgHash
+}
+
 public enum CIDeleted: Decodable {
     case deleted(deletedTs: Date?)
     case moderated(deletedTs: Date?, byGroupMember: GroupMember)