server/AyaNova/biz/BizObjectNameFetcherDirect.cs

@@ -0,0 +1,76 @@
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.JsonPatch;
+using EnumsNET;
+using AyaNova.Util;
+using AyaNova.Api.ControllerHelpers;
+using AyaNova.Biz;
+using AyaNova.Models;
+
+
+namespace AyaNova.Biz
+{
+
+    /*
+
+     using (var command = ct.Database.GetDbConnection().CreateCommand())
+                            {
+                                command.CommandText = $"SELECT m.name FROM awidget AS m WHERE m.id = {id} LIMIT 1";
+                                ct.Database.OpenConnection();
+                                using (var dr = command.ExecuteReader())
+                                {
+
+                                    // do something with result
+                                    return dr.Read() ? dr.GetString(0) : "UNKNOWN";
+                                }
+                            }
+     */
+    //Turn a type and ID into a displayable name
+    internal static class BizObjectNameFetcherDirect
+    {
+
+        internal static string Name(AyaTypeId tid, System.Data.Common.DbCommand cmd)
+        {
+            return Name(tid.ObjectType, tid.ObjectId, cmd);
+        }
+
+
+        //Returns existance status of object type and id specified in database
+        internal static string Name(AyaType aytype, long id, System.Data.Common.DbCommand cmd)
+        {
+            string TABLE = string.Empty;
+            switch (aytype)
+            {
+                case AyaType.User:
+                    TABLE = "auser";
+                    break;
+                case AyaType.Widget:
+                    TABLE = "awidget";
+                    break;
+                case AyaType.Tag:
+                    TABLE = "atag";
+                    break;
+                case AyaType.TagGroup:
+                    TABLE = "ataggroup";
+                    break;
+                default:
+                    throw new System.NotSupportedException($"AyaNova.BLL.BizObjectNameFetcher::Name type {aytype.ToString()} is not supported");
+            }
+            cmd.CommandText = $"SELECT m.name FROM {TABLE} AS m WHERE m.id = {id} LIMIT 1";
+            using (var dr = cmd.ExecuteReader())
+                return dr.Read() ? dr.GetString(0) : "UNKNOWN";
+        }
+
+
+
+
+
+        /////////////////////////////////////////////////////////////////////
+
+    }//eoc
+
+
+}//eons
+