ios: file errors (#4281)

2026-05-12 23:56:28 +00:00 · 2024-06-05 21:03:05 +04:00
parent 490e8cead8
commit 5e96e1ea2b
8 changed files with 240 additions and 24 deletions
@@ -1826,11 +1826,15 @@ func processReceivedMsg(_ res: ChatResponse) async {
        if let aChatItem = aChatItem {
            await chatItemSimpleUpdate(user, aChatItem)
        }
-    case let .rcvFileError(user, aChatItem, _):
+    case let .rcvFileError(user, aChatItem, _, _):
        if let aChatItem = aChatItem {
            await chatItemSimpleUpdate(user, aChatItem)
            Task { cleanupFile(aChatItem) }
        }
+    case let .rcvFileWarning(user, aChatItem, _, _):
+        if let aChatItem = aChatItem {
+            await chatItemSimpleUpdate(user, aChatItem)
+        }
    case let .sndFileStart(user, aChatItem, _):
        await chatItemSimpleUpdate(user, aChatItem)
    case let .sndFileComplete(user, aChatItem, _):
@@ -1852,6 +1856,10 @@ func processReceivedMsg(_ res: ChatResponse) async {
            await chatItemSimpleUpdate(user, aChatItem)
            Task { cleanupFile(aChatItem) }
        }
+    case let .sndFileWarning(user, aChatItem, _, _):
+        if let aChatItem = aChatItem {
+            await chatItemSimpleUpdate(user, aChatItem)
+        }
    case let .callInvitation(invitation):
        await MainActor.run {
            m.callInvitations[invitation.contact.id] = invitation
@@ -56,14 +56,16 @@ struct CIFileView: View {
            case .sndTransfer: return false
            case .sndComplete: return true
            case .sndCancelled: return false
-            case .sndError: return false
+            case .sndError: return true
+            case .sndWarning: return true
            case .rcvInvitation: return true
            case .rcvAccepted: return true
            case .rcvTransfer: return false
            case .rcvAborted: return true
            case .rcvComplete: return true
            case .rcvCancelled: return false
-            case .rcvError: return false
+            case .rcvError: return true
+            case .rcvWarning: return true
            case .invalid: return false
            }
        }
@@ -108,6 +110,18 @@ struct CIFileView: View {
                if let fileSource = getLoadedFileSource(file) {
                    saveCryptoFile(fileSource)
                }
+            case let .rcvError(rcvFileError):
+                logger.debug("CIFileView fileAction - in .rcvError")
+                AlertManager.shared.showAlert(Alert(
+                    title: Text("File error"),
+                    message: Text(rcvFileError.errorInfo)
+                ))
+            case let .rcvWarning(rcvFileError):
+                logger.debug("CIFileView fileAction - in .rcvWarning")
+                AlertManager.shared.showAlert(Alert(
+                    title: Text("Temporary file error"),
+                    message: Text(rcvFileError.errorInfo)
+                ))
            case .sndStored:
                logger.debug("CIFileView fileAction - in .sndStored")
                if file.fileProtocol == .local, let fileSource = getLoadedFileSource(file) {
@@ -118,6 +132,18 @@ struct CIFileView: View {
                if let fileSource = getLoadedFileSource(file) {
                    saveCryptoFile(fileSource)
                }
+            case let .sndError(sndFileError):
+                logger.debug("CIFileView fileAction - in .sndError")
+                AlertManager.shared.showAlert(Alert(
+                    title: Text("File error"),
+                    message: Text(sndFileError.errorInfo)
+                ))
+            case let .sndWarning(sndFileError):
+                logger.debug("CIFileView fileAction - in .sndWarning")
+                AlertManager.shared.showAlert(Alert(
+                    title: Text("Temporary file error"),
+                    message: Text(sndFileError.errorInfo)
+                ))
            default: break
            }
        }
@@ -141,6 +167,7 @@ struct CIFileView: View {
            case .sndComplete: fileIcon("doc.fill", innerIcon: "checkmark", innerIconSize: 10)
            case .sndCancelled: fileIcon("doc.fill", innerIcon: "xmark", innerIconSize: 10)
            case .sndError: fileIcon("doc.fill", innerIcon: "xmark", innerIconSize: 10)
+            case .sndWarning: fileIcon("doc.fill", innerIcon: "exclamationmark.triangle.fill", innerIconSize: 10)
            case .rcvInvitation:
                if fileSizeValid(file) {
                    fileIcon("arrow.down.doc.fill", color: .accentColor)
@@ -159,6 +186,7 @@ struct CIFileView: View {
            case .rcvComplete: fileIcon("doc.fill")
            case .rcvCancelled: fileIcon("doc.fill", innerIcon: "xmark", innerIconSize: 10)
            case .rcvError: fileIcon("doc.fill", innerIcon: "xmark", innerIconSize: 10)
+            case .rcvWarning: fileIcon("doc.fill", innerIcon: "exclamationmark.triangle.fill", innerIconSize: 10)
            case .invalid: fileIcon("doc.fill", innerIcon: "questionmark", innerIconSize: 10)
            }
        } else {
@@ -60,6 +60,26 @@ struct CIImageView: View {
                            case .rcvTransfer: () // ?
                            case .rcvComplete: () // ?
                            case .rcvCancelled: () // TODO
+                            case let .rcvError(rcvFileError):
+                                AlertManager.shared.showAlert(Alert(
+                                    title: Text("File error"),
+                                    message: Text(rcvFileError.errorInfo)
+                                ))
+                            case let .rcvWarning(rcvFileError):
+                                AlertManager.shared.showAlert(Alert(
+                                    title: Text("Temporary file error"),
+                                    message: Text(rcvFileError.errorInfo)
+                                ))
+                            case let .sndError(sndFileError):
+                                AlertManager.shared.showAlert(Alert(
+                                    title: Text("File error"),
+                                    message: Text(sndFileError.errorInfo)
+                                ))
+                            case let .sndWarning(sndFileError):
+                                AlertManager.shared.showAlert(Alert(
+                                    title: Text("Temporary file error"),
+                                    message: Text(sndFileError.errorInfo)
+                                ))
                            default: ()
                            }
                        }
@@ -99,14 +119,16 @@ struct CIImageView: View {
            case .sndComplete: fileIcon("checkmark", 10, 13)
            case .sndCancelled: fileIcon("xmark", 10, 13)
            case .sndError: fileIcon("xmark", 10, 13)
+            case .sndWarning: fileIcon("exclamationmark.triangle.fill", 10, 13)
            case .rcvInvitation: fileIcon("arrow.down", 10, 13)
            case .rcvAccepted: fileIcon("ellipsis", 14, 11)
            case .rcvTransfer: progressView()
            case .rcvAborted: fileIcon("exclamationmark.arrow.circlepath", 14, 11)
+            case .rcvComplete: EmptyView()
            case .rcvCancelled: fileIcon("xmark", 10, 13)
            case .rcvError: fileIcon("xmark", 10, 13)
+            case .rcvWarning: fileIcon("exclamationmark.triangle.fill", 10, 13)
            case .invalid: fileIcon("questionmark", 10, 13)
-            default: EmptyView()
            }
        }
    }
@@ -192,7 +192,7 @@ struct CIVideoView: View {
                    .disabled(!canBePlayed)
                }
            }
-            loadingIndicator()
+            fileStatusIcon()
        }
        .onAppear {
            addObserver(player, url)
@@ -258,11 +258,11 @@ struct CIVideoView: View {
            .resizable()
            .scaledToFit()
            .frame(width: w)
-            loadingIndicator()
+            fileStatusIcon()
        }
    }

-    @ViewBuilder private func loadingIndicator() -> some View {
+    @ViewBuilder private func fileStatusIcon() -> some View {
        if let file = chatItem.file {
            switch file.fileStatus {
            case .sndStored:
@@ -279,7 +279,22 @@ struct CIVideoView: View {
                }
            case .sndComplete: fileIcon("checkmark", 10, 13)
            case .sndCancelled: fileIcon("xmark", 10, 13)
-            case .sndError: fileIcon("xmark", 10, 13)
+            case let .sndError(sndFileError):
+                fileIcon("xmark", 10, 13)
+                    .onTapGesture {
+                        AlertManager.shared.showAlert(Alert(
+                            title: Text("File error"),
+                            message: Text(sndFileError.errorInfo)
+                        ))
+                    }
+            case let .sndWarning(sndFileError):
+                fileIcon("exclamationmark.triangle.fill", 10, 13)
+                    .onTapGesture {
+                        AlertManager.shared.showAlert(Alert(
+                            title: Text("Temporary file error"),
+                            message: Text(sndFileError.errorInfo)
+                        ))
+                    }
            case .rcvInvitation: fileIcon("arrow.down", 10, 13)
            case .rcvAccepted: fileIcon("ellipsis", 14, 11)
            case let .rcvTransfer(rcvProgress, rcvTotal):
@@ -289,10 +304,25 @@ struct CIVideoView: View {
                    progressView()
                }
            case .rcvAborted: fileIcon("exclamationmark.arrow.circlepath", 14, 11)
+            case .rcvComplete: EmptyView()
            case .rcvCancelled: fileIcon("xmark", 10, 13)
-            case .rcvError: fileIcon("xmark", 10, 13)
+            case let .rcvError(rcvFileError):
+                fileIcon("xmark", 10, 13)
+                    .onTapGesture {
+                        AlertManager.shared.showAlert(Alert(
+                            title: Text("File error"),
+                            message: Text(rcvFileError.errorInfo)
+                        ))
+                    }
+            case let .rcvWarning(rcvFileError):
+                fileIcon("exclamationmark.triangle.fill", 10, 13)
+                    .onTapGesture {
+                        AlertManager.shared.showAlert(Alert(
+                            title: Text("Temporary file error"),
+                            message: Text(rcvFileError.errorInfo)
+                        ))
+                    }
            case .invalid: fileIcon("questionmark", 10, 13)
-            default: EmptyView()
            }
        }
    }
@@ -134,18 +134,53 @@ struct VoiceMessagePlayer: View {
        ZStack {
            if let recordingFile = recordingFile {
                switch recordingFile.fileStatus {
-                case .sndStored: playbackButton()
-                case .sndTransfer: playbackButton()
+                case .sndStored:
+                    if recordingFile.fileProtocol == .local {
+                        playbackButton()
+                    } else {
+                        loadingIcon()
+                    }
+                case .sndTransfer: loadingIcon()
                case .sndComplete: playbackButton()
                case .sndCancelled: playbackButton()
-                case .sndError: playbackButton()
+                case let .sndError(sndFileError):
+                    fileStatusIcon("multiply", 14)
+                        .onTapGesture {
+                            AlertManager.shared.showAlert(Alert(
+                                title: Text("File error"),
+                                message: Text(sndFileError.errorInfo)
+                            ))
+                        }
+                case let .sndWarning(sndFileError):
+                    fileStatusIcon("exclamationmark.triangle.fill", 16)
+                        .onTapGesture {
+                            AlertManager.shared.showAlert(Alert(
+                                title: Text("Temporary file error"),
+                                message: Text(sndFileError.errorInfo)
+                            ))
+                        }
                case .rcvInvitation: downloadButton(recordingFile, "play.fill")
                case .rcvAccepted: loadingIcon()
                case .rcvTransfer: loadingIcon()
                case .rcvAborted: downloadButton(recordingFile, "exclamationmark.arrow.circlepath")
                case .rcvComplete: playbackButton()
                case .rcvCancelled: playPauseIcon("play.fill", Color(uiColor: .tertiaryLabel))
-                case .rcvError: playPauseIcon("play.fill", Color(uiColor: .tertiaryLabel))
+                case let .rcvError(rcvFileError):
+                    fileStatusIcon("multiply", 14)
+                        .onTapGesture {
+                            AlertManager.shared.showAlert(Alert(
+                                title: Text("File error"),
+                                message: Text(rcvFileError.errorInfo)
+                            ))
+                        }
+                case let .rcvWarning(rcvFileError):
+                    fileStatusIcon("exclamationmark.triangle.fill", 16)
+                        .onTapGesture {
+                            AlertManager.shared.showAlert(Alert(
+                                title: Text("Temporary file error"),
+                                message: Text(rcvFileError.errorInfo)
+                            ))
+                        }
                case .invalid: playPauseIcon("play.fill", Color(uiColor: .tertiaryLabel))
                }
            } else {
@@ -246,6 +281,17 @@ struct VoiceMessagePlayer: View {
        }
    }

+    private func fileStatusIcon(_ image: String, _ size: CGFloat) -> some View {
+        Image(systemName: image)
+            .resizable()
+            .aspectRatio(contentMode: .fit)
+            .frame(width: size, height: size)
+            .foregroundColor(Color(uiColor: .tertiaryLabel))
+            .frame(width: 56, height: 56)
+            .background(showBackground ? chatItemFrameColor(chatItem, colorScheme) : .clear)
+            .clipShape(Circle())
+    }
+
    private func loadingIcon() -> some View {
        ProgressView()
            .frame(width: 30, height: 30)
@@ -17,6 +17,8 @@ struct ChatItemInfoView: View {
    @Binding var chatItemInfo: ChatItemInfo?
    @State private var selection: CIInfoTab = .history
    @State private var alert: CIInfoViewAlert? = nil
+    @State private var messageStatusLimited: Bool = true
+    @State private var fileStatusLimited: Bool = true
    @AppStorage(DEFAULT_DEVELOPER_TOOLS) private var developerTools = false

    enum CIInfoTab {
@@ -157,6 +159,35 @@ struct ChatItemInfoView: View {
            if developerTools {
                infoRow("Database ID", "\(meta.itemId)")
                infoRow("Record updated at", localTimestamp(meta.updatedAt))
+                let msv = infoRow("Message status", ci.meta.itemStatus.id)
+                Group {
+                    if messageStatusLimited {
+                        msv.lineLimit(1)
+                    } else {
+                        msv
+                    }
+                }
+                .onTapGesture {
+                    withAnimation {
+                        messageStatusLimited.toggle()
+                    }
+                }
+
+                if let file = ci.file {
+                    let fsv = infoRow("File status", file.fileStatus.id)
+                    Group {
+                        if fileStatusLimited {
+                            fsv.lineLimit(1)
+                        } else {
+                            fsv
+                        }
+                    }
+                    .onTapGesture {
+                        withAnimation {
+                            fileStatusLimited.toggle()
+                        }
+                    }
+                }
            }
        }
    }
@@ -473,8 +504,12 @@ struct ChatItemInfoView: View {
        if developerTools {
            shareText += [
                String.localizedStringWithFormat(NSLocalizedString("Database ID: %d", comment: "copied message info"), meta.itemId),
-                String.localizedStringWithFormat(NSLocalizedString("Record updated at: %@", comment: "copied message info"), localTimestamp(meta.updatedAt))
+                String.localizedStringWithFormat(NSLocalizedString("Record updated at: %@", comment: "copied message info"), localTimestamp(meta.updatedAt)),
+                String.localizedStringWithFormat(NSLocalizedString("Message status: %@", comment: "copied message info"), meta.itemStatus.id)
            ]
+            if let file = ci.file {
+                shareText += [String.localizedStringWithFormat(NSLocalizedString("File status: %@", comment: "copied message info"), file.fileStatus.id)]
+            }
        }
        if let qi = ci.quotedItem {
            shareText += ["", NSLocalizedString("## In reply to", comment: "copied message info")]
@@ -622,7 +622,8 @@ public enum ChatResponse: Decodable, Error {
    case rcvStandaloneFileComplete(user: UserRef, targetPath: String, rcvFileTransfer: RcvFileTransfer)
    case rcvFileCancelled(user: UserRef, chatItem_: AChatItem?, rcvFileTransfer: RcvFileTransfer)
    case rcvFileSndCancelled(user: UserRef, chatItem: AChatItem, rcvFileTransfer: RcvFileTransfer)
-    case rcvFileError(user: UserRef, chatItem_: AChatItem?, rcvFileTransfer: RcvFileTransfer)
+    case rcvFileError(user: UserRef, chatItem_: AChatItem?, agentError: AgentErrorType, rcvFileTransfer: RcvFileTransfer)
+    case rcvFileWarning(user: UserRef, chatItem_: AChatItem?, agentError: AgentErrorType, rcvFileTransfer: RcvFileTransfer)
    // sending file events
    case sndFileStart(user: UserRef, chatItem: AChatItem, sndFileTransfer: SndFileTransfer)
    case sndFileComplete(user: UserRef, chatItem: AChatItem, sndFileTransfer: SndFileTransfer)
@@ -636,6 +637,7 @@ public enum ChatResponse: Decodable, Error {
    case sndStandaloneFileComplete(user: UserRef, fileTransferMeta: FileTransferMeta, rcvURIs: [String])
    case sndFileCancelledXFTP(user: UserRef, chatItem_: AChatItem?, fileTransferMeta: FileTransferMeta)
    case sndFileError(user: UserRef, chatItem_: AChatItem?, fileTransferMeta: FileTransferMeta, errorMessage: String)
+    case sndFileWarning(user: UserRef, chatItem_: AChatItem?, fileTransferMeta: FileTransferMeta, errorMessage: String)
    // call events
    case callInvitation(callInvitation: RcvCallInvitation)
    case callOffer(user: UserRef, contact: Contact, callType: CallType, offer: WebRTCSession, sharedKey: String?, askConfirmation: Bool)
@@ -784,6 +786,7 @@ public enum ChatResponse: Decodable, Error {
            case .rcvFileCancelled: return "rcvFileCancelled"
            case .rcvFileSndCancelled: return "rcvFileSndCancelled"
            case .rcvFileError: return "rcvFileError"
+            case .rcvFileWarning: return "rcvFileWarning"
            case .sndFileStart: return "sndFileStart"
            case .sndFileComplete: return "sndFileComplete"
            case .sndFileCancelled: return "sndFileCancelled"
@@ -796,6 +799,7 @@ public enum ChatResponse: Decodable, Error {
            case .sndStandaloneFileComplete: return "sndStandaloneFileComplete"
            case .sndFileCancelledXFTP: return "sndFileCancelledXFTP"
            case .sndFileError: return "sndFileError"
+            case .sndFileWarning: return "sndFileWarning"
            case .callInvitation: return "callInvitation"
            case .callOffer: return "callOffer"
            case .callAnswer: return "callAnswer"
@@ -944,7 +948,8 @@ public enum ChatResponse: Decodable, Error {
            case let .rcvFileComplete(u, chatItem): return withUser(u, String(describing: chatItem))
            case let .rcvFileCancelled(u, chatItem, _): return withUser(u, String(describing: chatItem))
            case let .rcvFileSndCancelled(u, chatItem, _): return withUser(u, String(describing: chatItem))
-            case let .rcvFileError(u, chatItem, _): return withUser(u, String(describing: chatItem))
+            case let .rcvFileError(u, chatItem, agentError, _): return withUser(u, "agentError: \(String(describing: agentError))\nchatItem: \(String(describing: chatItem))")
+            case let .rcvFileWarning(u, chatItem, agentError, _): return withUser(u, "agentError: \(String(describing: agentError))\nchatItem: \(String(describing: chatItem))")
            case let .sndFileStart(u, chatItem, _): return withUser(u, String(describing: chatItem))
            case let .sndFileComplete(u, chatItem, _): return withUser(u, String(describing: chatItem))
            case let .sndFileCancelled(u, chatItem, _, _): return withUser(u, String(describing: chatItem))
@@ -957,6 +962,7 @@ public enum ChatResponse: Decodable, Error {
            case let .sndStandaloneFileComplete(u, _, rcvURIs): return withUser(u, String(rcvURIs.count))
            case let .sndFileCancelledXFTP(u, chatItem, _): return withUser(u, String(describing: chatItem))
            case let .sndFileError(u, chatItem, _, err): return withUser(u, "error: \(String(describing: err))\nchatItem: \(String(describing: chatItem))")
+            case let .sndFileWarning(u, chatItem, _, err): return withUser(u, "error: \(String(describing: err))\nchatItem: \(String(describing: chatItem))")
            case let .callInvitation(inv): return String(describing: inv)
            case let .callOffer(u, contact, callType, offer, sharedKey, askConfirmation): return withUser(u, "contact: \(contact.id)\ncallType: \(String(describing: callType))\nsharedKey: \(sharedKey ?? "")\naskConfirmation: \(askConfirmation)\noffer: \(String(describing: offer))")
            case let .callAnswer(u, contact, answer): return withUser(u, "contact: \(contact.id)\nanswer: \(String(describing: answer))")
@@ -2728,7 +2728,7 @@ public enum CIStatus: Decodable {
    case rcvRead
    case invalid(text: String)

-    var id: String {
+    public var id: String {
        switch self {
        case .sndNew: return "sndNew"
        case .sndSent: return "sndSent"
@@ -2809,11 +2809,19 @@ public enum SndError: Decodable {
    }
 }

-public enum SrvError: Decodable {
+public enum SrvError: Decodable, Equatable {
    case host
    case version
    case other(srvError: String)

+    var id: String {
+        switch self {
+        case .host: return "host"
+        case .version: return "version"
+        case let .other(srvError): return "other \(srvError)"
+        }
+    }
+
    public var errorInfo: String {
        switch self {
        case .host: NSLocalizedString("Server address is incompatible with network settings.", comment: "srv error text.")
@@ -3171,6 +3179,7 @@ public struct CIFile: Decodable {
            case .sndComplete: return true
            case .sndCancelled: return true
            case .sndError: return true
+            case .sndWarning: return true
            case .rcvInvitation: return false
            case .rcvAccepted: return false
            case .rcvTransfer: return false
@@ -3178,6 +3187,7 @@ public struct CIFile: Decodable {
            case .rcvCancelled: return false
            case .rcvComplete: return true
            case .rcvError: return false
+            case .rcvWarning: return false
            case .invalid: return false
            }
        }
@@ -3196,12 +3206,14 @@ public struct CIFile: Decodable {
                }
            case .sndCancelled: return nil
            case .sndError: return nil
+            case .sndWarning: return sndCancelAction
            case .rcvInvitation: return nil
            case .rcvAccepted: return rcvCancelAction
            case .rcvTransfer: return rcvCancelAction
            case .rcvAborted: return nil
            case .rcvCancelled: return nil
            case .rcvComplete: return nil
+            case .rcvWarning: return rcvCancelAction
            case .rcvError: return nil
            case .invalid: return nil
            }
@@ -3310,35 +3322,64 @@ public enum CIFileStatus: Decodable, Equatable {
    case sndTransfer(sndProgress: Int64, sndTotal: Int64)
    case sndComplete
    case sndCancelled
-    case sndError
+    case sndError(sndFileError: FileError)
+    case sndWarning(sndFileError: FileError)
    case rcvInvitation
    case rcvAccepted
    case rcvTransfer(rcvProgress: Int64, rcvTotal: Int64)
    case rcvAborted
    case rcvComplete
    case rcvCancelled
-    case rcvError
+    case rcvError(rcvFileError: FileError)
+    case rcvWarning(rcvFileError: FileError)
    case invalid(text: String)

-    var id: String {
+    public var id: String {
        switch self {
        case .sndStored: return "sndStored"
        case let .sndTransfer(sndProgress, sndTotal): return "sndTransfer \(sndProgress) \(sndTotal)"
        case .sndComplete: return "sndComplete"
        case .sndCancelled: return "sndCancelled"
-        case .sndError: return "sndError"
+        case let .sndError(sndFileError): return "sndError \(sndFileError)"
+        case let .sndWarning(sndFileError): return "sndWarning \(sndFileError)"
        case .rcvInvitation: return "rcvInvitation"
        case .rcvAccepted: return "rcvAccepted"
        case let .rcvTransfer(rcvProgress, rcvTotal): return "rcvTransfer \(rcvProgress) \(rcvTotal)"
        case .rcvAborted: return "rcvAborted"
        case .rcvComplete: return "rcvComplete"
        case .rcvCancelled: return "rcvCancelled"
-        case .rcvError: return "rcvError"
+        case let .rcvError(rcvFileError): return "rcvError \(rcvFileError)"
+        case let .rcvWarning(rcvFileError): return "rcvWarning \(rcvFileError)"
        case .invalid: return "invalid"
        }
    }
 }

+public enum FileError: Decodable, Equatable {
+    case auth
+    case noFile
+    case relay(srvError: SrvError)
+    case other(fileError: String)
+
+    var id: String {
+        switch self {
+        case .auth: return "auth"
+        case .noFile: return "noFile"
+        case let .relay(srvError): return "relay \(srvError)"
+        case let .other(fileError): return "other \(fileError)"
+        }
+    }
+
+    public var errorInfo: String {
+        switch self {
+        case .auth: NSLocalizedString("Wrong key or unknown file chunk address - most likely file is deleted.", comment: "file error text")
+        case .noFile: NSLocalizedString("File not found - most likely file was deleted or cancelled.", comment: "file error text")
+        case let .relay(srvError): String.localizedStringWithFormat(NSLocalizedString("File server error: %@", comment: "file error text"), srvError.errorInfo)
+        case let .other(fileError): String.localizedStringWithFormat(NSLocalizedString("Error: %@", comment: "file error text"), fileError)
+        }
+    }
+}
+
 public enum MsgContent: Equatable {
    case text(String)
    case link(text: String, preview: LinkPreview)