public Task <bool> Handle(UpdateStudentCommand message, CancellationToken cancellationToken)
{
if (!message.IsValid())
{
NotifyValidationErrors(message);
return(Task.FromResult(false));
}
var student = new Student(message.Id, message.Name, message.Email, message.BirthDate);
var existingStudent = _studentRepository.GetByEmail(student.Email);
if (existingStudent != null && existingStudent.Id != student.Id)
{
if (!existingStudent.Equals(student))
{
Bus.RaiseEvent(new DomainNotification(message.MessageType, "The customer e-mail has already been taken."));
return(Task.FromResult(false));
}
}
_studentRepository.Update(student);
if (Commit())
{
Bus.RaiseEvent(new StudentUpdatedEvent(student.Id, student.Name, student.Email, student.BirthDate));
}
return(Task.FromResult(true));
}
// 同上，UpdateStudentCommand 的处理方法
public Task <Unit> Handle(UpdateStudentCommand message, CancellationToken cancellationToken)
{
if (!message.IsValid())
{
NotifyValidationErrors(message);
return(Task.FromResult(new Unit()));
}
var address = new Address(message.Province, message.City,
message.County, message.Street);
var student = new Student(message.Id, message.Name, message.Email, message.Phone, message.BirthDate, address);
var existingStudent = _studentRepository.GetByEmail(student.Email);
if (existingStudent != null && existingStudent.Id != student.Id)
{
if (!existingStudent.Equals(student))
{
Bus.RaiseEvent(new DomainNotification("", "该邮箱已经被使用！"));
return(Task.FromResult(new Unit()));
}
}
_studentRepository.Update(student);
if (Commit())
{
Bus.RaiseEvent(new StudentUpdatedEvent(student.Id, student.Name, student.Email, student.BirthDate, student.Phone));
}
return(Task.FromResult(new Unit()));
}
// 同上，UpdateStudentCommand 的处理方法
public Task <Unit> Handle(UpdateStudentCommand message, CancellationToken cancellationToken)
{
if (!message.IsValid())
{
NotifyValidationErrors(message);
return(Task.FromResult(new Unit()));
}
var customer = new Student(message.Id, message.Name, message.Email, message.Phone, message.BirthDate);
var existingCustomer = _studentRepository.GetByEmail(customer.Email);
if (existingCustomer != null && existingCustomer.Id != customer.Id)
{
if (!existingCustomer.Equals(customer))
{
Bus.RaiseEvent(new DomainNotification("", "该邮箱已经被使用！"));
return(Task.FromResult(new Unit()));
}
}
_studentRepository.Update(customer);
if (Commit())
{
Bus.RaiseEvent(new StudentUpdatedEvent(customer.Id, customer.Name, customer.Email, customer.BirthDate, customer.Phone));
}
return(Task.FromResult(new Unit()));
}
public Task <bool> Handle(UpdateStudentCommand request, CancellationToken cancellationToken)
{
if (!request.IsValid())
{
NotifyValidationErrors(request);
return(Task.FromResult(false));
}
var address = new Address(request.Province, request.City,
request.County, request.Street);
var student = new Student(request.Id, request.Name, request.Email, request.Phone, request.BirthDate, address);
var existingStudent = _studentRepository.GetByEmail(student.Email);
if (existingStudent != null && existingStudent.Id != student.Id)
{
if (!existingStudent.Equals(student))
{
_bus.RaiseEvent(new DomainNotification("", "该邮箱已经被使用！"));
return(Task.FromResult(false));
}
}
_studentRepository.Update(student);
if (Commit())
{
_bus.RaiseEvent(new StudentUpdatedEvent(student.Id, student.Name, student.Email, student.BirthDate, student.Phone));
}
return(Task.FromResult(true));
}
/// <summary>
/// 同上，UpdateStudentCommand 的处理方法
/// </summary>
/// <param name="request"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public Task <Unit> Handle(UpdateStudentCommand request, CancellationToken cancellationToken)
{
//命令验证
if (!request.IsValid())
{
//错误信息收集
NotifyValidationErrors(request);
return(Task.FromResult(new Unit()));
}
var customer = new Models.Student(request.Id, request.Name, request.Email, request.Phone,
request.BirthDate)
{
Address = request.Address
};
// 判断邮箱是否存在
// 这些业务逻辑，当然要在领域层中（领域命令处理程序中）进行处理
var isExist = _readStudentRepository.GetByEmail(customer.Email);
if (isExist != null && isExist.Id != customer.Id)
{
//这里☑错误信息进行发布 目前采用缓存形式
//List<string> errorInfo = new List<string>()
//{
// "The customer e-mail has already been taken."
//};
_bus.RaiseEvent(new DomainNotification("", "The customer e-mail has already been taken."));
//_cache.Set("ErrorData", errorInfo);
return(Task.FromResult(new Unit()));
}
//持久化操作
_writeStudentRepository.Update(customer);
//统一提交
if (Commit())
{
// 提交成功后，这里需要发布领域事件 // 比如欢迎用户注册邮件呀，短信呀等 // waiting....
_bus.RaiseEvent(new StudentUpdateEvent(customer.Id, customer.Name, customer.Email, customer.Phone,
customer.BirthDate, request.User));
}
return(Task.FromResult(new Unit()));
}
