Created
March 19, 2017 01:09
-
-
Save JulianMay/daa5607b13d8a6b9c9b220a14a3d1fb2 to your computer and use it in GitHub Desktop.
Domain Service Example
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
using System; | |
using Website.Domain; | |
namespace Website.Domain.Customers | |
{ | |
public class ContactRegistrationService : IRegisterContactCommandHandler, IActivateExistingContactCommandHandler | |
{ | |
private readonly ITransactionProvider _transactor; | |
private readonly ISelfRegistrationValidator _validator; | |
private readonly ICompanyRepository _companyRepo; | |
private readonly ICompanyNotifier _notifier; | |
public ContactRegistrationService(ITransactionProvider transactor, ISelfRegistrationValidator validator, | |
ICompanyRepository companyRepo, ICompanyNotifier notifier) | |
{ | |
if (transactor == null) throw new ArgumentNullException("transactor"); | |
if (validator == null) throw new ArgumentNullException("validator"); | |
if (companyRepo == null) throw new ArgumentNullException("companyRepo"); | |
if (notifier == null) throw new ArgumentNullException("notifier"); | |
_transactor = transactor; | |
_validator = validator; | |
_companyRepo = companyRepo; | |
_notifier = notifier; | |
} | |
/// <summary> | |
/// Registers and activates a new contact | |
/// </summary> | |
/// <param name="command"></param> | |
public void RegisterContact(RegisterContactCommand command) | |
{ | |
if (command == null) throw new ArgumentNullException("command"); | |
using (var transaction = _transactor.NewTransaction()) | |
{ | |
var company = GetValidCompanyId(command.CompanyAgreementCode); | |
AssertEmailIsAvailable(command.Email); | |
int createdContactId = _companyRepo.CreateOnlineActiveContact( | |
new ContactCreationDTO | |
{ | |
FirstName = command.FirstName, | |
Surname = command.Surname, | |
Mobile = command.Mobile, | |
Email = command.Email, | |
CompanyCustomerId = company.CustomerNumber, | |
CompanyName = company.Name}); | |
_notifier.OnContactOnlineRegistered(command.Email, createdContactId, company.CustomerNumber); | |
transaction.Complete(); | |
} | |
} | |
/// <summary> | |
/// Activates specified contact which belongs to Corporate structure identified by companyAgreementCode | |
/// </summary> | |
/// <param name="contactCustomerNumber"></param> | |
/// <param name="companyAgreementCode"></param> | |
public void ActivateExistingContact(int contactCustomerNumber, string companyAgreementCode) | |
{ | |
using (var transaction = _transactor.NewTransaction()) | |
{ | |
var activation = _companyRepo.ActivateExistingContact(contactCustomerNumber, companyAgreementCode); | |
_notifier.OnContactOnlineActivated(activation.Email, contactCustomerNumber, activation.CompanyCustomerNumber); | |
} | |
} | |
private CompanyInfo GetValidCompanyId(string code) | |
{ | |
var result = _validator.VerifyCompanyAgreementCode(code); | |
if(!result.HasMatch) | |
{ | |
throw new DomainConstraintViolatedException("InvalidCompanyAgreementCode", "The specified company agreement code is not valid"); | |
} | |
return new CompanyInfo | |
{ | |
Name = result.MatchedCompany, | |
CustomerNumber = result.CompanyCustomerId.Value | |
}; | |
} | |
private void AssertEmailIsAvailable(string email) | |
{ | |
if(_companyRepo.ContactEmailIsInUse(email)) | |
{ | |
throw new DomainConstraintViolatedException("EmailIsNotAvailable", "The specified email is already in use"); | |
} | |
} | |
private class CompanyInfo | |
{ | |
public string Name; | |
public int CustomerNumber; | |
} | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment