Method moved to WorkOrder

src/engine/loot/WorkOrder.java

@@ -11,7 +11,9 @@ package engine.loot;
 import engine.gameManager.ForgeManager;
 import engine.mbEnums;
 import engine.objects.Item;
+import engine.objects.ItemTemplate;
 import engine.objects.NPC;
+import engine.objects.Warehouse;
 import org.json.JSONArray;
 import org.json.JSONObject;
 
@@ -127,6 +129,33 @@ public class WorkOrder implements Delayed {
         return jsonWorkOrder;
     }
 
+    public static int validate(WorkOrder workOrder) {
+
+        int validation_result = 0;
+
+        ItemTemplate template = ItemTemplate.templates.get(workOrder.templateID);
+
+        if (workOrder.vendor.getBuilding() == null)
+            return 58; //58: The formula is beyond the means of this facility
+
+        if (!workOrder.vendor.charItemManager.hasRoomInventory(template.item_wt))
+            return 30;  //30: That person cannot carry that item
+
+        if (!workOrder.vendor.getItemModTable().contains((template.modTable)))
+            return 59;   //59: This hireling does not have this formula
+
+        if (!Warehouse.calcCostOverrun(workOrder).isEmpty())
+            return 10;     //18: You can't really afford that
+
+        // Forge must be protected in order to access warehouse.
+
+        if (ForgeManager.calcProductionCost(workOrder).size() > 1)
+            if (!workOrder.vendor.building.protectionState.equals(mbEnums.ProtectionState.PROTECTED))
+                return 193;     //193: Production denied: This building must be protected to gain access to warehouse
+
+        return validation_result;
+    }
+
     @Override
     public long getDelay(TimeUnit unit) {