server/AyaNova/biz/WorkOrderBiz.cs

@@ -1,9 +1,10 @@
 using System.Threading.Tasks;
 using Microsoft.EntityFrameworkCore;
-using Microsoft.AspNetCore.JsonPatch;
+using System.Collections.Generic;
 using AyaNova.Util;
 using AyaNova.Api.ControllerHelpers;
 using AyaNova.Models;
+using System.Linq;
 
 namespace AyaNova.Biz
 {
@@ -378,10 +379,37 @@ namespace AyaNova.Biz
         //
         internal async Task<bool> ItemDeleteAsync(long id)
         {
-            WorkOrderItem dbObject = await ct.WorkOrderItem.SingleOrDefaultAsync(m => m.Id == id);
+            WorkOrderItem dbObject = await ct.WorkOrderItem
+                .SingleOrDefaultAsync(m => m.Id == id);
             ItemValidateCanDelete(dbObject);
             if (HasErrors)
                 return false;
+
+            //Traverse and delete tree
+            //maybe need to get tree list of id's then work with that
+            //a static function to get all id's from object and below?
+            //https://docs.microsoft.com/en-us/ef/core/saving/transactions
+
+ WorkOrderItem dbObject = await ct.WorkOrderItem
+                .Include(wi => wi.Labors)
+                .Include(wi => wi.Parts)
+                .SingleOrDefaultAsync(m => m.Id == id);
+            var LaborIds = dbObject.Labors.Select(m => m.Id).ToList();
+            var PartIds = dbObject.Parts.Select(m => m.Id).ToList();
+            using (var transaction = ct.Database.BeginTransaction())
+            {
+                try
+                {
+                    //Delete children
+                    foreach(long l in LaborIds){
+                       if(!await LaborDeleteAsync(id)) return false;
+                    }
+                    foreach(long l in PartIds){
+                       if(!await LaborDeleteAsync(id)) return false;
+                    }
+
+
+
                     ct.WorkOrderItem.Remove(dbObject);
                     await ct.SaveChangesAsync();
 
@@ -389,6 +417,16 @@ namespace AyaNova.Biz
                     await EventLogProcessor.DeleteObjectLogAsync(UserId, BizType, dbObject.Id, "wo:" + dbObject.WorkOrderId.ToString(), ct);
                     await Search.ProcessDeletedObjectKeywordsAsync(dbObject.Id, BizType);
                     await TagUtil.ProcessDeleteTagsInRepositoryAsync(ct, dbObject.Tags);
+
+                    //all good do the commit
+                    transaction.Commit();
+                }
+                catch
+                {
+                    //Just re-throw for now, but in future may want to deal with this more here
+                    throw;
+
+                }
                 return true;
             }