add breakers to power batteries (#16903)

Co-authored-by: deltanedas <@deltanedas:kde.org>

Content.Server/Power/EntitySystems/BreakerSystem.cs

@@ -0,0 +1,30 @@
+using Content.Server.Administration.Logs;
+using Content.Server.Power.Components;
+using Content.Server.Power.Events;
+using Content.Shared.Database;
+
+namespace Content.Server.Power.EntitySystems;
+
+/// <summary>
+/// Handles raising BreakerPopEvent when a power provider exceeds its maximum power.
+/// </summary>
+public sealed class BreakerSystem : EntitySystem
+{
+    [Dependency] private readonly IAdminLogManager _adminLogger = default!;
+
+    /// <inheritdoc/>
+    public override void Update(float frameTime)
+    {
+        base.Update(frameTime);
+
+        var query = EntityQueryEnumerator<BreakerComponent, PowerNetworkBatteryComponent>();
+        while (query.MoveNext(out var uid, out var breaker, out var battery))
+        {
+            if (battery.CurrentSupply > breaker.Limit)
+            {
+                _adminLogger.Add(LogType.Action, LogImpact.Low, $"Breaker of {ToPrettyString(uid):battery)} popped from supplying {battery.CurrentSupply} with a breaker limit of {breaker.Limit}");
+                RaiseLocalEvent(uid, new BreakerPoppedEvent());
+            }
+        }
+    }
+}