make use of transactions when calling savechanges repeteadly

Author: chrisK00

BugLab.Business/CommandHandlers/Projects/AddProjectHandler.cs

@@ -3,7 +3,6 @@
 using BugLab.Data.Entities;
 using Mapster;
 using MediatR;
-using Microsoft.EntityFrameworkCore;
 using System.Threading;
 using System.Threading.Tasks;
 
@@ -22,6 +21,8 @@ public async Task<int> Handle(AddProjectCommand request, CancellationToken cance
  {
  var projectToAdd = request.Adapt<Project>();
 
+ using var transaction = await _context.Database.BeginTransactionAsync(cancellationToken);
+
  await _context.Projects.AddAsync(projectToAdd, cancellationToken);
  await _context.SaveChangesAsync(cancellationToken);
 
@@ -32,7 +33,9 @@ await _context.BugTypes.AddRangeAsync(
  new BugType { ProjectId = projectToAdd.Id, Title = "bug", Color = "#b14639ff" },
  new BugType { ProjectId = projectToAdd.Id, Title = "feature", Color = "#35ceceff" }
  );
+
  await _context.SaveChangesAsync(cancellationToken);
+ await transaction.CommitAsync(cancellationToken);
 
  return projectToAdd.Id;
  }