Fax machines can print from text file

Content.Client/Fax/UI/FaxBoundUi.cs

@@ -1,15 +1,22 @@
+using System.IO;
+using System.Threading.Tasks;
 using Content.Shared.Fax;
 using JetBrains.Annotations;
 using Robust.Client.GameObjects;
+using Robust.Client.UserInterface;
 
 namespace Content.Client.Fax.UI;
 
 [UsedImplicitly]
 public sealed class FaxBoundUi : BoundUserInterface
 {
+    [Dependency] private readonly IFileDialogManager _fileDialogManager = default!;
+
     [ViewVariables]
     private FaxWindow? _window;
 
+    private bool _dialogIsOpen = false;
+
     public FaxBoundUi(EntityUid owner, Enum uiKey) : base(owner, uiKey)
     {
     }
@@ -22,12 +29,33 @@ protected override void Open()
         _window.OpenCentered();
 
         _window.OnClose += Close;
+        _window.FileButtonPressed += OnFileButtonPressed;
         _window.CopyButtonPressed += OnCopyButtonPressed;
         _window.SendButtonPressed += OnSendButtonPressed;
         _window.RefreshButtonPressed += OnRefreshButtonPressed;
         _window.PeerSelected += OnPeerSelected;
     }
 
+    private async void OnFileButtonPressed()
+    {
+        if (_dialogIsOpen)
+            return;
+
+        _dialogIsOpen = true;
+        var filters = new FileDialogFilters(new FileDialogFilters.Group("txt"));
+        await using var file = await _fileDialogManager.OpenFile(filters);
+        _dialogIsOpen = false;
+
+        if (_window == null || _window.Disposed || file == null)
+        {
+            return;
+        }
+
+        using var reader = new StreamReader(file);
+        var content = await reader.ReadToEndAsync();
+        SendMessage(new FaxFileMessage(content[..Math.Min(content.Length, FaxFileMessageValidation.MaxContentSize)], _window.OfficePaper));
+    }
+
     private void OnSendButtonPressed()
     {
         SendMessage(new FaxSendMessage());

Content.Client/Fax/UI/FaxWindow.xaml

@@ -19,6 +19,14 @@
             <OptionButton Name="PeerSelector" HorizontalExpand="True" />
         </BoxContainer>
         <Control HorizontalExpand="True" MinHeight="20" />
+        <BoxContainer Orientation="Horizontal" HorizontalExpand="True">
+            <Button Name="FileButton"
+                    Text="{Loc 'fax-machine-ui-file-button'}"
+                    HorizontalExpand="False"/>
+            <Button Name="PaperButton"
+                    Text="{Loc 'fax-machine-ui-paper-button-normal'}"
+                    HorizontalExpand="False"/>
+        </BoxContainer>
         <BoxContainer Orientation="Horizontal" HorizontalExpand="True">
             <Button Name="CopyButton"
                     Text="{Loc 'fax-machine-ui-copy-button'}"

Content.Client/Fax/UI/FaxWindow.xaml.cs

@@ -3,21 +3,30 @@
 using Robust.Client.AutoGenerated;
 using Robust.Client.UserInterface.CustomControls;
 using Robust.Client.UserInterface.XAML;
+using Robust.Client.UserInterface;
 
 namespace Content.Client.Fax.UI;
 
 [GenerateTypedNameReferences]
 public sealed partial class FaxWindow : DefaultWindow
 {
+    public event Action? FileButtonPressed;
+    public event Action? PaperButtonPressed;
     public event Action? CopyButtonPressed;
     public event Action? SendButtonPressed;
     public event Action? RefreshButtonPressed;
     public event Action<string>? PeerSelected;
 
+    public bool OfficePaper = false;
+
     public FaxWindow()
     {
         RobustXamlLoader.Load(this);
 
+        PaperButtonPressed += OnPaperButtonPressed;
+
+        FileButton.OnPressed += _ => FileButtonPressed?.Invoke(); 
+        PaperButton.OnPressed += _ => PaperButtonPressed?.Invoke(); 
         CopyButton.OnPressed += _ => CopyButtonPressed?.Invoke();
         SendButton.OnPressed += _ => SendButtonPressed?.Invoke();
         RefreshButton.OnPressed += _ => RefreshButtonPressed?.Invoke();
@@ -80,4 +89,14 @@ private int AddPeerSelect(string name, string address)
         PeerSelector.SetItemMetadata(PeerSelector.ItemCount - 1, address);
         return PeerSelector.ItemCount - 1;
     }
+
+    private void OnPaperButtonPressed()
+    {
+        OfficePaper = !OfficePaper;
+
+        if(OfficePaper)
+            PaperButton.Text = Loc.GetString("fax-machine-ui-paper-button-office");
+        else
+            PaperButton.Text = Loc.GetString("fax-machine-ui-paper-button-normal");
+    }
 }

Content.Server/Fax/FaxSystem.cs

@@ -50,6 +50,9 @@ public sealed class FaxSystem : EntitySystem
     /// </summary>
     [ValidatePrototypeId<EntityPrototype>]
     private const string DefaultPaperPrototypeId = "Paper";
+
+    [ValidatePrototypeId<EntityPrototype>]
+    private const string OfficePaperPrototypeId = "PaperOffice";
 
     public override void Initialize()
     {
@@ -71,6 +74,7 @@ public override void Initialize()
 
         // UI
         SubscribeLocalEvent<FaxMachineComponent, AfterActivatableUIOpenEvent>(OnToggleInterface);
+        SubscribeLocalEvent<FaxMachineComponent, FaxFileMessage>(OnFileButtonPressed);
         SubscribeLocalEvent<FaxMachineComponent, FaxCopyMessage>(OnCopyButtonPressed);
         SubscribeLocalEvent<FaxMachineComponent, FaxSendMessage>(OnSendButtonPressed);
         SubscribeLocalEvent<FaxMachineComponent, FaxRefreshMessage>(OnRefreshButtonPressed);
@@ -300,6 +304,12 @@ private void OnToggleInterface(EntityUid uid, FaxMachineComponent component, Aft
         UpdateUserInterface(uid, component);
     }
 
+    private void OnFileButtonPressed(EntityUid uid, FaxMachineComponent component, FaxFileMessage args)
+    {
+        args.Content = args.Content[..Math.Min(args.Content.Length, FaxFileMessageValidation.MaxContentSize)];
+        PrintFile(uid, component, args);
+    }
+
     private void OnCopyButtonPressed(EntityUid uid, FaxMachineComponent component, FaxCopyMessage args)
     {
         Copy(uid, component);
@@ -386,6 +396,27 @@ public void Refresh(EntityUid uid, FaxMachineComponent? component = null)
         _deviceNetworkSystem.QueuePacket(uid, null, payload);
     }
 
+    /// <summary>
+    ///     Makes fax print from a file from the computer. A timeout is set after copying,
+    ///     which is shared by the send button.
+    /// </summary>
+    public void PrintFile(EntityUid uid, FaxMachineComponent component, FaxFileMessage args)
+    {
+        string prototype;
+        if (args.OfficePaper)
+            prototype = OfficePaperPrototypeId;
+        else
+            prototype = DefaultPaperPrototypeId;
+
+        var name  = Loc.GetString("fax-machine-printed-paper-name");
+
+        var printout = new FaxPrintout(args.Content, name, prototype);
+        component.PrintingQueue.Enqueue(printout);
+        component.SendTimeoutRemaining += component.SendTimeout;
+
+        UpdateUserInterface(uid, component);
+    }
+
     /// <summary>
     ///     Copies the paper in the fax. A timeout is set after copying,
     ///     which is shared by the send button.

Content.Shared/Fax/SharedFax.cs

@@ -34,6 +34,24 @@ public FaxUiState(string deviceName,
     }
 }
 
+[Serializable, NetSerializable]
+public sealed class FaxFileMessage : BoundUserInterfaceMessage
+{
+    public string Content;
+    public bool OfficePaper;
+
+    public FaxFileMessage(string content, bool officePaper)
+    {
+        Content = content;
+        OfficePaper = officePaper;
+    }
+}
+
+public static class FaxFileMessageValidation
+{
+    public const int MaxContentSize = 10000;
+}
+
 [Serializable, NetSerializable]
 public sealed class FaxCopyMessage : BoundUserInterfaceMessage
 {

Resources/Locale/en-US/fax/fax.ftl

@@ -8,6 +8,9 @@ fax-machine-dialog-rename = Rename
 fax-machine-dialog-field-name = Name
 
 fax-machine-ui-window = Fax Machine
+fax-machine-ui-file-button = Print File
+fax-machine-ui-paper-button-normal = Normal Paper
+fax-machine-ui-paper-button-office = Office Paper
 fax-machine-ui-copy-button = Copy
 fax-machine-ui-send-button = Send
 fax-machine-ui-refresh-button = Refresh
@@ -19,3 +22,5 @@ fax-machine-ui-paper-inserted = Paper in tray
 fax-machine-ui-paper-not-inserted = No paper
 
 fax-machine-chat-notify = Received new fax message from "{$fax}" fax
+
+fax-machine-printed-paper-name = printed paper