Blueprint loading works

EveCalc.Shared/Logic/NameCache.cs

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+using Newtonsoft.Json;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EveCalc.Shared.Logic
+{
+    public partial class EsiClientWrapper
+    {
+        private static string nameCacheFileName = "namecache.json";
+        private Dictionary<long, string> nameCache = new Dictionary<long, string>();
+
+        public void LoadNameCache()
+        {
+            if (File.Exists(nameCacheFileName))
+            {
+                var json = File.ReadAllText(nameCacheFileName);
+                this.nameCache = JsonConvert.DeserializeObject<Dictionary<long, string>>(json);
+            }
+        }
+
+        public void AddToNameCache(long id, string name)
+        {
+            if (this.nameCache.ContainsKey(id))
+            {
+                if (this.nameCache[id] != name)
+                {
+                    this.nameCache[id] = name;
+                    this.SaveCache();
+                }
+            }
+            else
+            {
+                this.nameCache.Add(id, name);
+                this.SaveCache();
+            }
+        }
+
+        public async Task<string> GetFromNameCache(long id)
+        {
+            if (this.nameCache.ContainsKey(id))
+            {
+                return this.nameCache[id];
+            }
+
+            // Get from api
+            var response2 = await client.Universe.Names(new List<long> { id });
+            if (response2.Data != null && response2.Data.Count > 0)
+            {
+                var name = response2.Data[0].Name;
+                this.AddToNameCache(id, name);
+                return name;
+            }
+
+            return null;
+        }
+
+        private void SaveCache()
+        {
+            var json = JsonConvert.SerializeObject(this.nameCache);
+            File.WriteAllText(nameCacheFileName, json);
+        }
+    }
+}