Admins can get a list of the StationEvents (#1670)

* -GetStationEventsMsg
-Fixed random in events help

* Don't send on connect

* Delete StationEvents on disconnect

* Resolve IClientNetManager when needed

* :smilethink:

* Remove setter

* Removed unused imports

* Don't resolve twice

* Add Event

Content.Client/StationEvents/StationEventManager.cs

@@ -0,0 +1,42 @@
+#nullable enable
+using Content.Shared.StationEvents;
+using Robust.Shared.Interfaces.Network;
+using Robust.Shared.IoC;
+using System;
+using System.Collections.Generic;
+
+namespace Content.Client.StationEvents
+{
+    class StationEventManager : SharedStationEvent, IStationEventManager
+    {
+        private List<string>? _events;
+        public List<string>? StationEvents
+        {
+            get
+            {
+                if (_events == null)
+                    RequestEvents();
+                return _events;
+            }
+        }
+        public event Action? OnStationEventsReceived;
+
+        public void Initialize()
+        {
+            var netManager = IoCManager.Resolve<IClientNetManager>();
+            netManager.RegisterNetMessage<MsgGetStationEvents>(nameof(MsgGetStationEvents), EventHandler);
+            netManager.Disconnect += (sender, msg) => _events = null;
+        }
+
+        private void EventHandler(MsgGetStationEvents msg)
+        {
+            _events = msg.Events;
+            OnStationEventsReceived?.Invoke();
+        }
+        public void RequestEvents()
+        {
+            var netManager = IoCManager.Resolve<IClientNetManager>();
+            netManager.ClientSendMessage(netManager.CreateNetMessage<MsgGetStationEvents>());
+        }
+    }
+}