server/AyaNova/AyaNova.csproj

@@ -17,7 +17,7 @@
   <ItemGroup>   
     <PackageReference Include="Bogus" Version="31.0.3" />
     <PackageReference Include="BouncyCastle.NetCore" Version="1.8.6" />
-    <PackageReference Include="CsvHelper" Version="15.0.8" />
+    <PackageReference Include="ChoETL.JSON.NETStandard" Version="1.2.1.2" />
     <PackageReference Include="Enums.NET" Version="3.0.3" />    
     <PackageReference Include="jose-jwt" Version="2.5.0" />    
     <PackageReference Include="MailKit" Version="2.9.0" />

server/AyaNova/Controllers/ExportController.cs

@@ -14,6 +14,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using System.IO;
 using System.IO.Compression;
+using ChoETL;
 
 namespace AyaNova.Api.Controllers
 {
@@ -80,27 +81,31 @@ namespace AyaNova.Api.Controllers
             log.LogDebug($"Instantiating biz object handler for {dataListSelection.ObjectType}");
             var biz = BizObjectFactory.GetBizObject(dataListSelection.ObjectType, ct);
             log.LogDebug($"Fetching data for {dataListSelection.SelectedRowIds.Length} {dataListSelection.ObjectType} items");
-            var TheData = await ((IExportAbleObject)biz).GetExportData(dataListSelection.SelectedRowIds);
+            // var TheData = await ((IExportAbleObject)biz).GetJSONExportData(dataListSelection.SelectedRowIds);
 
-            string baseFileName = FileUtil.StringToSafeFileName($"{dataListSelection.ObjectType.ToString().ToLowerInvariant()}-{FileUtil.GetSafeDateFileName()}");
+            string baseFileName = FileUtil.StringToSafeFileName($"{dataListSelection.ObjectType.ToString().ToLowerInvariant()}-{format}-{FileUtil.GetSafeDateFileName()}");
 
             // string outputRandomFileNameNoExtension = StringUtil.ReplaceLastOccurrence(FileUtil.NewRandomFileName, ".", "");
             string outputSourceFileName = baseFileName + "." + format;
             string outputSourceFullPath = System.IO.Path.Combine(FileUtil.TemporaryFilesFolder, outputSourceFileName);
             string outputZipFullpath = System.IO.Path.Combine(FileUtil.TemporaryFilesFolder, baseFileName + ".zip");
-            // string outputFullPathSourceFile=outputFullPathNoExtension
+
-            // string outputFullpathZipFile=outputFullPathNoExtension + ".zip";
+            log.LogDebug($"Calling render export data to file {outputZipFullpath}");
-            log.LogDebug($"Calling render export data to file");
             switch (format)
             {
-                case "csv":
+                case "csv":                  
-                    throw new System.NotImplementedException("CSV export not implemented yet");
+                    using (var w = new ChoCSVWriter(outputSourceFullPath).WithFirstLineHeader())
+                    {
+                        var dat = await ((IExportAbleObject)biz).GetExportData(dataListSelection.SelectedRowIds);
+                        w.Write(ToDynamicList(dat));
+                    }                  
                     break;
                 case "json":
                     using (StreamWriter file = System.IO.File.CreateText(outputSourceFullPath))
                     using (JsonTextWriter writer = new JsonTextWriter(file))
                     {
-                        TheData.WriteTo(writer);
+                        var dat = await ((IExportAbleObject)biz).GetExportData(dataListSelection.SelectedRowIds);
+                        dat.WriteTo(writer);
                     }
                     break;
             }
@@ -118,6 +123,18 @@ namespace AyaNova.Api.Controllers
 
         }
 
+        public static IList<dynamic> ToDynamicList(JArray data)
+        {
+            var dynamicData = new List<dynamic>();
+            var expConverter = new Newtonsoft.Json.Converters.ExpandoObjectConverter();
+
+            foreach (var dataItem in data)
+            {
+                dynamic obj = JsonConvert.DeserializeObject<System.Dynamic.ExpandoObject>(dataItem.ToString(), expConverter);
+                dynamicData.Add(obj);
+            }
+            return dynamicData;
+        }
 
         /// <summary>
         /// Download a rendered Export

server/AyaNova/biz/WidgetBiz.cs

@@ -321,6 +321,37 @@ namespace AyaNova.Biz
             return await GetReportData(idList);
         }
 
+
+        // public async Task<object[]> GetObjectArrayExportData(long[] idList)
+        // {
+        //     //NOTE: Report widget is a superset of biz object widget
+        //     //Biz objects will add and needed linked records here as extra fields with the data included
+        //     //for example instead of a userid only there will be username added to the record
+        //     //so the report designer can just select it as a field, no need to query seperately for it etc
+        //     //REMEMBER: there is a name display format system and it should honour that so that the report
+        //     //displays a user the same as it would display in the UI in an input form, no surprises
+
+        //     List<Widget> wList = new List<Widget>();
+        //     while (idList.Any())
+        //     {
+        //         var batch = idList.Take(IReportAbleObject.REPORT_DATA_BATCH_SIZE);
+        //         idList = idList.Skip(IReportAbleObject.REPORT_DATA_BATCH_SIZE).ToArray();
+        //         //query for this batch, comes back in db natural order unfortunately
+        //         var batchResults = await ct.Widget.Where(z => batch.Contains(z.Id)).ToArrayAsync();
+        //         //order the results back into original
+        //         var orderedList = from id in batch join z in batchResults on id equals z.Id select z;
+
+        //         wList.AddRange(orderedList);
+        //         // foreach (Widget w in orderedList)
+        //         // {
+        //         //     var jo = JObject.FromObject(w);
+        //         //     jo["CustomFields"] = JObject.Parse((string)jo["CustomFields"]);
+        //         //     ReportData.Add(jo);
+        //         // }
+        //     }
+        //     return wList.ToArray();
+        // }
+
         ////////////////////////////////////////////////////////////////////////////////////////////////
         //JOB / OPERATIONS
         //