research console radio messages on unlock (#22166)

Content.Server/Research/Components/ResearchConsoleComponent.cs

@@ -1,8 +1,15 @@
+using Content.Shared.Radio;
+using Robust.Shared.Prototypes;
+
 namespace Content.Server.Research.Components;
 
 [RegisterComponent]
 public sealed partial class ResearchConsoleComponent : Component
 {
-
+    /// <summary>
+    /// The radio channel that the unlock announcements are broadcast to.
+    /// </summary>
+    [DataField, ViewVariables(VVAccess.ReadWrite)]
+    public ProtoId<RadioChannelPrototype> AnnouncementChannel = "Science";
 }
 

Content.Server/Research/Systems/ResearchSystem.Console.cs

@@ -3,6 +3,7 @@ using Content.Server.Research.Components;
 using Content.Server.UserInterface;
 using Content.Shared.Access.Components;
 using Content.Shared.Research.Components;
+using Content.Shared.Research.Prototypes;
 
 namespace Content.Server.Research.Systems;
 
@@ -25,6 +26,9 @@ public sealed partial class ResearchSystem
         if (!this.IsPowered(uid, EntityManager))
             return;
 
+        if (!PrototypeManager.TryIndex<TechnologyPrototype>(args.Id, out var technologyPrototype))
+            return;
+
         if (TryComp<AccessReaderComponent>(uid, out var access) && !_accessReader.IsAllowed(ent, uid, access))
         {
             _popup.PopupEntity(Loc.GetString("research-console-no-access-popup"), ent);
@@ -34,6 +38,10 @@ public sealed partial class ResearchSystem
         if (!UnlockTechnology(uid, args.Id, ent))
             return;
 
+        var message = Loc.GetString("research-console-unlock-technology-radio-broadcast",
+            ("technology", Loc.GetString(technologyPrototype.Name)),
+            ("amount", technologyPrototype.Cost));
+        _radio.SendRadioMessage(uid, message, component.AnnouncementChannel, uid, escapeMarkup: false);
         SyncClientWithServer(uid);
         UpdateConsoleInterface(uid, component);
     }

Content.Server/Research/Systems/ResearchSystem.cs

@@ -1,6 +1,7 @@
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using Content.Server.Administration.Logs;
+using Content.Server.Radio.EntitySystems;
 using Content.Shared.Access.Systems;
 using Content.Shared.Popups;
 using Content.Shared.Research.Components;
@@ -19,6 +20,7 @@ namespace Content.Server.Research.Systems
         [Dependency] private readonly AccessReaderSystem _accessReader = default!;
         [Dependency] private readonly UserInterfaceSystem _uiSystem = default!;
         [Dependency] private readonly SharedPopupSystem _popup = default!;
+        [Dependency] private readonly RadioSystem _radio = default!;
 
         public override void Initialize()
         {