public async Task <IStatement> CreateStatement(StatementTitle statementTitle)
{
var statement = statementFactory.NewStatement(statementTitle);
statement.ChangeStatus(
this.statementFactory,
StatusCode.Opened,
new StatusComment(" "));
await statementRepository.AddStatement(statement);
await statementRepository.Update(statement, statement.CurrentStatus);
await unitOfWork.Save();
return(statement);
}