// ReSharper disable once UnusedMember.Global
public async Task <Author> CreateAuthorAsync([Service] ISampleService sampleService, [Service] ITopicEventSender eventSender, string firstName, string lastName)
{
var lastAuthorId = sampleService.GetLastAuthorId();
var authorCreationResult = Author.CreateAuthor(lastAuthorId, firstName, lastName);
if (authorCreationResult.IsFailure)
{
throw new Exception(authorCreationResult.Error);
}
var createdAuthor = sampleService.CreateAuthor(authorCreationResult.Value);
var allAuthors = sampleService.GetAllAuthors();
await eventSender.SendAsync("AuthorCreated", allAuthors);
return(createdAuthor);
}
