public void SaveStudentRequestWithEnrollmentsWithoutRules2()
{
IFlowManager flowManager = serviceProvider.GetRequiredService <IFlowManager>();
ISchoolRepository schoolRepository = serviceProvider.GetRequiredService <ISchoolRepository>();
var student = flowManager.SchoolRepository.GetAsync <StudentModel, Student>
(
s => s.FullName == "Carson Alexander",
selectExpandDefinition: new LogicBuilder.Expressions.Utils.Expansions.SelectExpandDefinition
{
ExpandedItems = new List <LogicBuilder.Expressions.Utils.Expansions.SelectExpandItem>
{
new LogicBuilder.Expressions.Utils.Expansions.SelectExpandItem {
MemberName = "enrollments"
}
}
}
).Result.Single();
student.FirstName = "First";
student.EntityState = LogicBuilder.Domain.EntityStateType.Modified;
student.Enrollments.ToList().ForEach(enrollment =>
{
enrollment.Grade = Domain.Entities.Grade.A;
enrollment.EntityState = LogicBuilder.Domain.EntityStateType.Modified;
});
SaveEntityRequest saveStudentRequest = new SaveEntityRequest {
Entity = student
};
System.Diagnostics.Stopwatch stopWatch = System.Diagnostics.Stopwatch.StartNew();
StudentModel studentModel = (StudentModel)saveStudentRequest.Entity;
SaveEntityResponse saveStudentResponse = new SaveEntityResponse();
saveStudentResponse.Success = schoolRepository.SaveGraphAsync <StudentModel, Student>(studentModel).Result;
if (!saveStudentResponse.Success)
{
return;
}
studentModel = schoolRepository.GetAsync <StudentModel, Student>
(
f => f.ID == studentModel.ID,
null,
new LogicBuilder.Expressions.Utils.Expansions.SelectExpandDefinition
{
ExpandedItems = new List <LogicBuilder.Expressions.Utils.Expansions.SelectExpandItem>
{
new LogicBuilder.Expressions.Utils.Expansions.SelectExpandItem {
MemberName = "enrollments"
}
}
}
).Result.SingleOrDefault();
saveStudentResponse.Entity = studentModel;
int Iteration_Index = 0;
flowManager.CustomActions.WriteToLog
(
string.Format
(
"EnrollmentCount: {0}. Index: {1}",
new object[]
{
studentModel.Enrollments.Count,
Iteration_Index
}
)
);
EnrollmentModel enrollmentModel = null;
while (Iteration_Index < studentModel.Enrollments.Count)
{
enrollmentModel = studentModel.Enrollments.ElementAt(Iteration_Index);
Iteration_Index = Iteration_Index + 1;
flowManager.CustomActions.WriteToLog
(
string.Format
(
"Student Id:{0} is enrolled in {1}.",
new object[]
{
studentModel.ID,
enrollmentModel.CourseTitle
}
)
);
}
stopWatch.Stop();
this.output.WriteLine("WithoutRulesUsingExpressiionsInCode = {0}", stopWatch.Elapsed.TotalMilliseconds);
}
private SaveEntityResponse SaveStudentWithoutRules(SaveEntityRequest saveStudentRequest)
{
Domain.Entities.StudentModel studentModel = (StudentModel)saveStudentRequest.Entity;
SaveEntityResponse saveStudentResponse = new SaveEntityResponse()
{
ErrorMessages = new List <string>()
};
#region Validation
if (string.IsNullOrWhiteSpace(studentModel.FirstName))
{
saveStudentResponse.ErrorMessages.Add("First Name is required.");
}
if (string.IsNullOrWhiteSpace(studentModel.LastName))
{
saveStudentResponse.ErrorMessages.Add("Last Name is required.");
}
if (studentModel.EnrollmentDate == default)
{
saveStudentResponse.ErrorMessages.Add("Enrollment Date is required.");
}
if (saveStudentResponse.ErrorMessages.Any())
{
flowManager.CustomActions.WriteToLog("An error occurred saving the request.");
saveStudentResponse.Success = false;
return(saveStudentResponse);
}
#endregion Validation
#region Save and retrieve
saveStudentResponse.Success = schoolRepository.SaveGraphAsync <Domain.Entities.StudentModel, Data.Entities.Student>(studentModel).Result;
if (!saveStudentResponse.Success)
{
return(saveStudentResponse);
}
studentModel = schoolRepository.GetAsync <Domain.Entities.StudentModel, Data.Entities.Student>
(
f => f.ID == studentModel.ID,
null,
new LogicBuilder.Expressions.Utils.Expansions.SelectExpandDefinition
{
ExpandedItems = new List <LogicBuilder.Expressions.Utils.Expansions.SelectExpandItem>
{
new LogicBuilder.Expressions.Utils.Expansions.SelectExpandItem {
MemberName = "enrollments"
}
}
}
).Result.SingleOrDefault();
saveStudentResponse.Entity = studentModel;
#endregion Save and retrieve
#region Log Enrollments
int Iteration_Index = 0;
flowManager.CustomActions.WriteToLog
(
string.Format
(
"EnrollmentCount: {0}. Index: {1}",
new object[]
{
studentModel.Enrollments.Count,
Iteration_Index
}
)
);
Domain.Entities.EnrollmentModel enrollmentModel = null;
while (Iteration_Index < studentModel.Enrollments.Count)
{
enrollmentModel = studentModel.Enrollments.ElementAt(Iteration_Index);
Iteration_Index = Iteration_Index + 1;
flowManager.CustomActions.WriteToLog
(
string.Format
(
"Student Id:{0} is enrolled in {1}.",
new object[]
{
studentModel.ID,
enrollmentModel.CourseTitle
}
)
);
}
#endregion Log Enrollments
return(saveStudentResponse);
}