public static ICommandHandler <TCommand> Default <TCommand>(object handler, IServiceProvider provider)
{
var logger = provider.GetService <ILogger>();
var validations = provider.GetServices <IValidator <TCommand> >();
var transactionDecorator = new TransactionDecorator <TCommand>((ICommandHandler <TCommand>)handler);
var loggingDecorator = new LoggingDecorator <TCommand>(transactionDecorator, logger);
var validationDecorator = new ValidationDecorator <TCommand>(loggingDecorator, validations);
return(validationDecorator); // order is revers for decorators
}
public static ICommandHandler <TCommand> DefaultWithRetry <TCommand>(object handler, IServiceProvider provider)
{
var logger = provider.GetService <ILogger>();
var cache = provider.GetService <ICache>();
var validations = provider.GetServices <IValidator <TCommand> >();
var transactionDecorator = new TransactionDecorator <TCommand>((ICommandHandler <TCommand>)handler);
var loggingDecorator = new LoggingDecorator <TCommand>(transactionDecorator, logger);
var validationDecorator = new ValidationDecorator <TCommand>(loggingDecorator, validations);
var retryDecorator = new RetryDecorator <TCommand>(validationDecorator, logger, nrRetry: 3);
var cacheDecorator = new CacheDecorator <TCommand>(retryDecorator, cache);
return(cacheDecorator); // order is revers for decorators
}
public void Init()
{
_mockGroupRepository = new Mock <IGroupRepository>();
_mockGroupRepository
.Setup(repo => repo.AddAsync(It.IsAny <Group>(), null))
.ReturnsAsync(It.IsAny <Group>());
DefaultAddGroupCommandHandler addGroupCommandHandler = new DefaultAddGroupCommandHandler(_mockGroupRepository.Object);
ValidationDecorator <AddGroupCommand> validationDecorator = new ValidationDecorator <AddGroupCommand>(addGroupCommandHandler, new DefaultAddGroupCommandValidator());
_authoriserDecorator = new AuthoriserDecorator <AddGroupCommand>(validationDecorator, new CompanyAddGroupAuthoriser());
_suspendGroupHandler = new SuspendGroupCommandHandler(_mockGroupRepository.Object);
}
static void Main(string[] args)
{
var container = ConfigureContainer();
_bankAccount = container.Resolve <BankAccount>();
_logger = container.Resolve <LoggingDecorator>();
_validator = container.Resolve <ValidationDecorator>();
Console.WriteLine("Enter action followed by amount e.g. \"withdraw 2000\". Enter \"logs\" to get all logs. Enter \"exit\" to exit the program.");
var input = Console.ReadLine();
while (input != "exit")
{
try
{
if (input.Contains("withdraw "))
{
ProcessWithdraw(input);
}
else if (input.Contains("deposit "))
{
ProcessDeposit(input);
}
else if (input.Contains("balance"))
{
GetBalance();
}
else if (input == "logs")
{
Console.WriteLine("Here are all the logs:");
Console.WriteLine(_logger.GetAllLogs());
}
else
{
Console.WriteLine("Invalid input.");
}
}
catch (Exception ex)
{
_logger.Log(ex.Message);
}
finally
{
input = Console.ReadLine();
}
}
}