Implemented RagfairRequiredItemsService

Libraries/Core/Services/RagfairRequiredItemsService.cs

@@ -1,19 +1,40 @@
-using SptCommon.Annotations;
+using Core.Helpers;
+using SptCommon.Annotations;
 using Core.Models.Eft.Ragfair;
 
 namespace Core.Services;
 
 [Injectable(InjectionType.Singleton)]
-public class RagfairRequiredItemsService
+public class RagfairRequiredItemsService(
+    RagfairOfferService _ragfairOfferService,
+    PaymentHelper _paymentHelper)
 {
-    public List<RagfairOffer> GetRequiredItemsById(string searchId)
+
+    protected Dictionary<string, List<RagfairOffer>> _requiredItemsCache;
+
+    public List<RagfairOffer>? GetRequiredItemsById(string searchId)
     {
-        Console.WriteLine($"actually implement me plz: owo: GetRequiredItemsById");
-        return new List<RagfairOffer>();
+        _requiredItemsCache.TryGetValue(searchId, out var list);
+        return list;
     }
 
     public void BuildRequiredItemTable()
     {
-        Console.WriteLine($"actually implement me plz: owo: BuildRequiredItemTable");
+        _requiredItemsCache = new Dictionary<string, List<RagfairOffer>>();
+        foreach (var offer in _ragfairOfferService.GetOffers()) {
+            foreach (var requirement in offer.Requirements) {
+                if (_paymentHelper.IsMoneyTpl(requirement.Template))
+                {
+                    // This would just be too noisy
+                    continue;
+                }
+
+                // Ensure key is init
+                _requiredItemsCache.TryAdd(requirement.Template, []);
+
+                // Add matching offer
+                _requiredItemsCache[requirement.Template].Add(offer);
+            }
+        }
     }
 }