public EntityStateWrapperContainer Modify(IQueryRepository queryRepository, ContosoUniversity.Domain.Core.Behaviours.Instructors.InstructorModifyAndCourses.CommandModel commandModel)
{
var retVal = new EntityStateWrapperContainer();
// Removals first
Courses.Clear();
if (OfficeAssignment != null && commandModel.OfficeLocation == null)
{
retVal.DeleteEntity(OfficeAssignment);
}
// Update properties
FirstMidName = commandModel.FirstMidName;
LastName = commandModel.LastName;
HireDate = commandModel.HireDate;
OfficeAssignment = new OfficeAssignment {
Location = commandModel.OfficeLocation
};
if (commandModel.SelectedCourses != null)
{
Courses = queryRepository.GetEntities <Course>(
new FindByIdsSpecificationStrategy <Course>(p => p.CourseID, commandModel.SelectedCourses)).ToList();
}
retVal.ModifyEntity(this);
return(retVal);
}
// Create student
public static StudentCreate.Response Handle(IRepository repository, StudentCreate.Request request)
{
var container = new EntityStateWrapperContainer();
container.AddEntity(StudentFactory.Create(request.CommandModel));
var validationDetails = repository.Save(container);
var studentId = default(int?);
if (!validationDetails.HasValidationIssues)
studentId = container.FindEntity<Student>().ID;
return new StudentCreate.Response(validationDetails, studentId);
}
// Create course
public static CourseCreate.Response Handle(IRepository repository, CourseCreate.Request request)
{
// Validation now performed in the dispacther decorators (See AutoValidate<T> in the DomainBootstrapper class)
var container = new EntityStateWrapperContainer();
container.AddEntity(CourseFactory.Create(request.CommandModel));
var validationDetails = repository.Save(container);
var courseId = default(int?);
if (!validationDetails.HasValidationIssues)
courseId = container.FindEntity<Course>().CourseID;
return new CourseCreate.Response(validationDetails, courseId);
}
// Create student
public static StudentCreate.Response Handle(IRepository repository, StudentCreate.Request request)
{
var container = new EntityStateWrapperContainer();
container.AddEntity(StudentFactory.Create(request.CommandModel));
var validationDetails = repository.Save(container);
var studentId = default(int?);
if (!validationDetails.HasValidationIssues)
{
studentId = container.FindEntity <Student>().ID;
}
return(new StudentCreate.Response(validationDetails, studentId));
}
public static ValidationMessageCollection Save(
this IRepository repository,
EntityStateWrapperContainer entityContainer,
Func <DbUpdateConcurrencyException, ValidationMessageCollection> dbUpdateConcurrencyExceptionFunc = null,
Func <RetryLimitExceededException, ValidationMessageCollection> retryLimitExceededExceptionFunc = null)
{
try
{
entityContainer.UnitsOfWork().ToList().ForEach(uow =>
{
UpdateStates(repository, uow);
repository.Save();
});
return(new ValidationMessageCollection());
}
catch (DbUpdateConcurrencyException dbUpdateEx)
{
Logger.Warn(dbUpdateEx, dbUpdateEx.Message);
if (dbUpdateConcurrencyExceptionFunc != null)
{
return(dbUpdateConcurrencyExceptionFunc(dbUpdateEx));
}
var validationDetails = new ValidationMessageCollection();
validationDetails.Add(new ValidationMessage(string.Empty, dbUpdateEx.ToString()));
return(validationDetails);
}
catch (RetryLimitExceededException rleEx)
{
Logger.Error(rleEx, rleEx.Message);
if (retryLimitExceededExceptionFunc != null)
{
return(retryLimitExceededExceptionFunc(rleEx));
}
var validationDetails = new ValidationMessageCollection();
validationDetails.Add(new ValidationMessage(string.Empty, "Unable to save changes. Try again, and if the problem persists, see your system administrator."));
return(validationDetails);
}
catch (Exception ex)
{
Logger.Error(ex, ex.Message);
throw;
}
}
// Delete instructor
public static InstructorDelete.Response Handle(IRepository repository, InstructorDelete.Request request)
{
var container = new EntityStateWrapperContainer();
var depts = repository.GetEntities<Department>(p => p.InstructorID == request.CommandModel.InstructorId);
foreach (var dept in depts)
container.Add(dept.SetInstructorId(null));
var deletedInstructor = repository.GetEntity<Instructor>(
p => p.ID == request.CommandModel.InstructorId,
new EagerLoadingQueryStrategy<Instructor>(
p => p.OfficeAssignment));
container.Add(deletedInstructor.Delete());
var validationDetails = repository.Save(container);
return new InstructorDelete.Response(validationDetails);
}
// Create course
public static CourseCreate.Response Handle(IRepository repository, CourseCreate.Request request)
{
// Validation now performed in the dispacther decorators (See AutoValidate<T> in the DomainBootstrapper class)
var container = new EntityStateWrapperContainer();
container.AddEntity(CourseFactory.Create(request.CommandModel));
var validationDetails = repository.Save(container);
var courseId = default(int?);
if (!validationDetails.HasValidationIssues)
{
courseId = container.FindEntity <Course>().CourseID;
}
return(new CourseCreate.Response(validationDetails, courseId));
}
// Delete instructor
public static InstructorDelete.Response Handle(IRepository repository, InstructorDelete.Request request)
{
var container = new EntityStateWrapperContainer();
var depts = repository.GetEntities <Department>(p => p.InstructorID == request.CommandModel.InstructorId);
foreach (var dept in depts)
{
container.Add(dept.SetInstructorId(null));
}
var deletedInstructor = repository.GetEntity <Instructor>(
p => p.ID == request.CommandModel.InstructorId,
new EagerLoadingQueryStrategy <Instructor>(
p => p.OfficeAssignment));
container.Add(deletedInstructor.Delete());
var validationDetails = repository.Save(container);
return(new InstructorDelete.Response(validationDetails));
}
public EntityStateWrapperContainer Modify(IQueryRepository queryRepository, ContosoUniversity.Domain.Core.Behaviours.Instructors.InstructorModifyAndCourses.CommandModel commandModel)
{
var retVal = new EntityStateWrapperContainer();
// Removals first
Courses.Clear();
if (OfficeAssignment != null && commandModel.OfficeLocation == null)
retVal.DeleteEntity(OfficeAssignment);
// Update properties
FirstMidName = commandModel.FirstMidName;
LastName = commandModel.LastName;
HireDate = commandModel.HireDate;
OfficeAssignment = new OfficeAssignment { Location = commandModel.OfficeLocation };
if (commandModel.SelectedCourses != null)
{
Courses = queryRepository.GetEntities<Course>(
new FindByIdsSpecificationStrategy<Course>(p => p.CourseID, commandModel.SelectedCourses)).ToList();
}
retVal.ModifyEntity(this);
return retVal;
}
