AddAgreement new code

public void AddAgreement(int personId, AgreementDto agreementDto)
        {
            using (var context = new GdDbContext() {Configuration = { AutoDetectChangesEnabled = false, LazyLoadingEnabled = false}})
            {
                //context.Configuration.AutoDetectChangesEnabled = false;
                //context.Configuration.LazyLoadingEnabled = true;

                //var personAdminId = Context.Users.Single(x => x.Email == ConfigurationManager.AppSettings["DefaultGdAdminEmail"]).PersonId;
                // Dit werkt niet. Moet in 2 stappen
                var adminEmail = ConfigurationManager.AppSettings["DefaultGdAdminEmail"];
                var personAdminId = context.Users.FirstOrDefault(x => x.Email == adminEmail).PersonId;
                var personPM = context.Persons.First(x => x.Name == "Permission Machine");
                var person = context.Persons.FirstOrDefault(el => el.Id == personId);

                if (person == null)
                {
                    throw new GraphicsDetectiveInvalidDataTypeException($"No person found for Id: {personId}");
                }

                if (agreementDto == null)
                {
                    throw new GraphicsDetectiveInvalidDataTypeException("Invalid agreementDto");
                }

                var agreement = new Agreement
                {
                    Date = agreementDto.DateTime,
                    AgreementType = AgreementType.WwwImageSearch,
                    ImageSearchAppointments = new List<ImageSearchAppointment>()
                };
                context.Agreements.Add(agreement);

                var personAgreementRelations = new List<PersonAgreementRelation>()
                {
                    new PersonAgreementRelation
                    {
                        Agreement = agreement,
                        Person = person,
                        PersonAgreementRole = PersonAgreementRole.Client
                    },
                    new PersonAgreementRelation
                    {
                        Agreement = agreement,
                        PersonAgreementRole = PersonAgreementRole.Supplier,
                        PersonId = personPM.Id
                    },
                    new PersonAgreementRelation
                    {
                        Agreement = agreement,
                        PersonAgreementRole = PersonAgreementRole.Admin,
                        PersonId = personAdminId
                    }
                };
                context.PersonAgreementRelations.AddRange(personAgreementRelations);

                //TODO: Check if OKAY!!!

                if (agreementDto.ImageSearchAppointmentDto.Count == 0)
                {
                    throw new GraphicsDetectiveInvalidDataTypeException(
                        "Count of imagesearchappointments can't be lower than 0");
                }
                var imageSearchAppointmentDto = agreementDto.ImageSearchAppointmentDto.First();
                var imageSearchAppointment = new ImageSearchAppointment()
                {
                    AgreementId = agreement.Id,
                    HasImageFeed = false,
                    Name = imageSearchAppointmentDto.Name,
                    Periodicity = imageSearchAppointmentDto.Periodicity,
                    PeriodicityCategory = imageSearchAppointmentDto.PeriodicityCategory,
                    ShowResultsToCustomer = imageSearchAppointmentDto.ShowResultsToCustomer,
                    ImageSearchCommands = new List<ImageSearchCommand>()
                };
                context.ImageSearchAppointments.Add(imageSearchAppointment);

                if (!imageSearchAppointment.ShowResultsToCustomer)
                {
                    var imageSearchAppointmentWebDomainExtensions = imageSearchAppointmentDto
                        .WebDomainExtensionDtos
                        .Select(x => new ImageSearchAppointmentWebDomainExtension()
                        {
                            WebDomainExtensionId = x.Id,
                            ImageSearchAppointment = imageSearchAppointment,
                            ImageSearchAppointmentId = imageSearchAppointment.Id
                        })
                        .ToList();

                    context.ImageSearchAppointmentWebDomainExtensions.AddRange(imageSearchAppointmentWebDomainExtensions);
                }

                var imageSearchCommandDto = imageSearchAppointmentDto.ImageSearchCommandDto.First();
                var imageSearchCommand = new ImageSearchCommand()
                {
                    ImageSearchAppointment = imageSearchAppointment,
                    ImageSearchAppointmentId = imageSearchAppointment.Id,
                    Date = imageSearchCommandDto.Date,
                    NumberOfImages = imageSearchCommandDto.NumberOfImages,
                    ImageCollectionProcessedDate = imageSearchCommandDto.ImageCollectionProcessedDate
                };
                context.ImageSearchCommands.Add(imageSearchCommand);

                context.ChangeTracker.DetectChanges();
                context.SaveChanges();
                context.Configuration.LazyLoadingEnabled = true;
            }
        }