Make sell to flea on shift alt click

util/FleaCache.cs

@@ -0,0 +1,65 @@
+using System;
+using System.Collections.Generic;
+using Newtonsoft.Json;
+using SPT.Common.Http;
+
+namespace UIFixes.util {
+    internal static class FleaPriceCache {
+        static Dictionary<string, CachePrice> cache = new Dictionary<string, CachePrice>();
+
+        public static double? FetchPrice(string templateId) {
+            if (cache.ContainsKey(templateId)) {
+                double secondsSinceLastUpdate = (DateTime.Now - cache[templateId].lastUpdate).TotalSeconds;
+                if (secondsSinceLastUpdate > 300)
+                    return QueryAndTryUpsertPrice(templateId, true);
+                return cache[templateId].price;
+            }
+
+            return QueryAndTryUpsertPrice(templateId, false);
+        }
+
+        private static string QueryPrice(string templateId) {
+            return RequestHandler.PostJson("/LootValue/GetItemLowestFleaPrice",
+                JsonConvert.SerializeObject(new FleaPriceRequest(templateId)));
+        }
+
+        private static double? QueryAndTryUpsertPrice(string templateId, bool update) {
+            string response = QueryPrice(templateId);
+
+            bool hasPlayerFleaPrice = !(string.IsNullOrEmpty(response) || response == "null");
+
+            if (hasPlayerFleaPrice) {
+                double price = double.Parse(response);
+
+                if (update)
+                    cache[templateId].Update(price);
+                else
+                    cache[templateId] = new CachePrice(price);
+
+                return price;
+            }
+
+            return null;
+        }
+    }
+
+    public class FleaPriceRequest {
+        public string templateId;
+        public FleaPriceRequest(string templateId) => this.templateId = templateId;
+    }
+
+    internal class CachePrice {
+        public double price { get; private set; }
+        public DateTime lastUpdate { get; private set; }
+
+        public CachePrice(double price) {
+            this.price = price;
+            lastUpdate = DateTime.Now;
+        }
+
+        public void Update(double price) {
+            this.price = price;
+            lastUpdate = DateTime.Now;
+        }
+    }
+}