Machine upgrading framework [NO CONTENT YET] (#11528)

* upgrading parts baseline

* don't hardcode prototypes

* 0xsomethingsomething review i sorry i forgot your name

Content.Server/Construction/ConstructionSystem.Machine.cs

@@ -1,4 +1,6 @@
+using System.Linq;
 using Content.Server.Construction.Components;
+using Content.Shared.Construction.Prototypes;
 using Robust.Shared.Containers;
 
 namespace Content.Server.Construction;
@@ -36,11 +38,32 @@ public sealed partial class ConstructionSystem
         return parts;
     }
 
+    public Dictionary<string, float> GetPartsRatings(List<MachinePartComponent> parts)
+    {
+        var output = new Dictionary<string, float>();
+        foreach (var type in _prototypeManager.EnumeratePrototypes<MachinePartPrototype>())
+        {
+            var amount = 0;
+            var sumRating = 0;
+            foreach (var part in parts.Where(part => part.PartType == type.ID))
+            {
+                amount++;
+                sumRating += part.Rating;
+            }
+            var rating = amount != 0 ? sumRating / amount : 0;
+            output.Add(type.ID, rating);
+        }
+
+        return output;
+    }
+
     public void RefreshParts(MachineComponent component)
     {
-        EntityManager.EventBus.RaiseLocalEvent(component.Owner, new RefreshPartsEvent()
+        var parts = GetAllParts(component);
+        EntityManager.EventBus.RaiseLocalEvent(component.Owner, new RefreshPartsEvent
         {
-            Parts = GetAllParts(component),
+            Parts = parts,
+            PartRatings = GetPartsRatings(parts),
         }, true);
     }
 
@@ -69,14 +92,16 @@ public sealed partial class ConstructionSystem
             throw new Exception($"Entity with prototype {component.BoardPrototype} doesn't have a {nameof(MachineBoardComponent)}!");
         }
 
+        var xform = Transform(component.Owner);
         foreach (var (part, amount) in machineBoard.Requirements)
         {
+            var partProto = _prototypeManager.Index<MachinePartPrototype>(part);
             for (var i = 0; i < amount; i++)
             {
-                var p = EntityManager.SpawnEntity(MachinePartComponent.Prototypes[part], Transform(component.Owner).Coordinates);
+                var p = EntityManager.SpawnEntity(partProto.StockPartPrototype, xform.Coordinates);
 
                 if (!partContainer.Insert(p))
-                    throw new Exception($"Couldn't insert machine part of type {part} to machine with prototype {MetaData(component.Owner).EntityPrototype?.ID ?? "N/A"}!");
+                    throw new Exception($"Couldn't insert machine part of type {part} to machine with prototype {partProto.StockPartPrototype ?? "N/A"}!");
             }
         }
 
@@ -115,4 +140,6 @@ public sealed partial class ConstructionSystem
 public sealed class RefreshPartsEvent : EntityEventArgs
 {
     public IReadOnlyList<MachinePartComponent> Parts = new List<MachinePartComponent>();
+
+    public Dictionary<string, float> PartRatings = new Dictionary<string, float>();
 }