Adds a refund button & action upgrades for stores (#24518)

* adds refunds to stores

* Adds method to check for starting map

* comments, datafields, some requested changes

* turns event into ref event

* Adds datafields

* Switches to entity terminating event

* Changes store entity to be nullable and checks if store is terminating to remove reference.

* Tryadd instead of containskey

* Adds a refund disable method, disables refund on bought ent container changes if not an action

* Removes datafield specification

* Readds missing using statement

* Removes unused using statements

* What the heck is listing data

---------

Co-authored-by: metalgearsloth <comedian_vs_clown@hotmail.com>

Content.Server/Store/Systems/StoreSystem.Refund.cs

@@ -0,0 +1,56 @@
+using Content.Server.Actions;
+using Content.Server.Store.Components;
+using Content.Shared.Actions;
+using Robust.Shared.Containers;
+
+namespace Content.Server.Store.Systems;
+
+public sealed partial class StoreSystem
+{
+    private void InitializeRefund()
+    {
+        SubscribeLocalEvent<StoreComponent, EntityTerminatingEvent>(OnStoreTerminating);
+        SubscribeLocalEvent<StoreRefundComponent, EntityTerminatingEvent>(OnRefundTerminating);
+        SubscribeLocalEvent<StoreRefundComponent, EntRemovedFromContainerMessage>(OnEntityRemoved);
+        SubscribeLocalEvent<StoreRefundComponent, EntInsertedIntoContainerMessage>(OnEntityInserted);
+    }
+
+    private void OnEntityRemoved(EntityUid uid, StoreRefundComponent component, EntRemovedFromContainerMessage args)
+    {
+        if (component.StoreEntity == null || _actions.TryGetActionData(uid, out _) || !TryComp<StoreComponent>(component.StoreEntity.Value, out var storeComp))
+            return;
+
+        DisableRefund(component.StoreEntity.Value, storeComp);
+    }
+
+    private void OnEntityInserted(EntityUid uid, StoreRefundComponent component, EntInsertedIntoContainerMessage args)
+    {
+        if (component.StoreEntity == null || _actions.TryGetActionData(uid, out _) || !TryComp<StoreComponent>(component.StoreEntity.Value, out var storeComp))
+            return;
+
+        DisableRefund(component.StoreEntity.Value, storeComp);
+    }
+
+    private void OnStoreTerminating(Entity<StoreComponent> ent, ref EntityTerminatingEvent args)
+    {
+        if (ent.Comp.BoughtEntities.Count <= 0)
+            return;
+
+        foreach (var boughtEnt in ent.Comp.BoughtEntities)
+        {
+            if (!TryComp<StoreRefundComponent>(boughtEnt, out var refundComp))
+                continue;
+
+            refundComp.StoreEntity = null;
+        }
+    }
+
+    private void OnRefundTerminating(Entity<StoreRefundComponent> ent, ref EntityTerminatingEvent args)
+    {
+        if (ent.Comp.StoreEntity == null)
+            return;
+
+        var ev = new RefundEntityDeletedEvent(ent);
+        RaiseLocalEvent(ent.Comp.StoreEntity.Value, ref ev);
+    }
+}