server/AyaNova/biz/WorkOrderBiz.cs

@@ -63,6 +63,7 @@ namespace AyaNova.Biz
 
         //request cache for viz fields
         private VizCache vc = new VizCache();
+        private ObjectCache oc = new ObjectCache();
 
         /*
             ██╗    ██╗ ██████╗ ██████╗ ██╗  ██╗      ██████╗ ██████╗ ██████╗ ███████╗██████╗ 
@@ -5811,17 +5812,42 @@ namespace AyaNova.Biz
             if (calculateTotalsOnly == false)
             {
                 if (o.UserId != null)
-                    o.UserViz = await ct.User.AsNoTracking().Where(x => x.Id == o.UserId).Select(x => x.Name).FirstOrDefaultAsync();
+                {
+                    if (!vc.Has("user", o.UserId))
+                    {
+                        vc.Add(await ct.User.AsNoTracking().Where(x => x.Id == o.UserId).Select(x => x.Name).FirstOrDefaultAsync(), "user", o.UserId);
+                    }
+                    o.UserViz = vc.Get("user", o.UserId);
+                }
+
             }
             TravelRate Rate = null;
             if (o.TravelRateId != null)
+            {
+                if (!oc.Has("travelrate", o.TravelRateId))
                 {
                     Rate = await ct.TravelRate.AsNoTracking().FirstOrDefaultAsync(x => x.Id == o.TravelRateId);
+                    oc.Add(Rate, "travelrate", o.TravelRateId);
+                }
+                else
+                    Rate = (TravelRate)oc.Get("travelrate", o.TravelRateId);
+
                 o.TravelRateViz = Rate.Name;
             }
+
             TaxCode Tax = null;
             if (o.TaxCodeSaleId != null)
+            {
+                if (!oc.Has("tax", o.TaxCodeSaleId))
+                {
                     Tax = await ct.TaxCode.AsNoTracking().FirstOrDefaultAsync(z => z.Id == o.TaxCodeSaleId);
+                    oc.Add(Rate, "tax", o.TaxCodeSaleId);
+                }
+                else
+                    Tax = (TaxCode)oc.Get("tax", o.TaxCodeSaleId);
+            }
+
+
             if (Tax != null)
                 o.TaxCodeViz = Tax.Name;
 

server/AyaNova/util/ObjectCache.cs

@@ -0,0 +1,45 @@
+using System;
+using System.Collections.Generic;
+
+namespace AyaNova.Util
+{
+    //Object cache - used by biz objects during get report data to temporarily cache values from database for single request
+    //saves db calls and formatting
+    internal class ObjectCache
+    {
+        private Dictionary<string, object> _cache = new Dictionary<string, object>();
+        // internal ObjectCache()
+        // {
+        //     System.Diagnostics.Debug.WriteLine("constructing objectcache");
+        // }
+        internal void Add(object value, string key, long? id = 0)
+        {
+
+            _cache[$"{key}{id}"] = value;
+            // System.Diagnostics.Debug.WriteLine($"ADD {key}{id} - {value}");
+        }
+        internal object Get(string key, long? id = 0)
+        {
+            object value = null;
+            if (_cache.TryGetValue($"{key}{id}", out value))
+            {
+                //System.Diagnostics.Debug.WriteLine($"get cache hit {key}{id}");
+                return value;
+            }
+            else
+            {
+                //System.Diagnostics.Debug.WriteLine($"get cache miss {key}{id}");
+                return null;
+            }
+        }
+
+        internal bool Has(string key, long? id = 0)
+        {
+            return _cache.ContainsKey($"{key}{id}");
+        }
+
+
+
+    }//eoc
+
+}//eons