public void Handle(AddItemCommand command)
{
try
{
Thread.Sleep(new Random().Next(500, 4000));
if (command.Id == Guid.Empty)
throw new ArgumentNullException("command.Id");
if (string.IsNullOrEmpty(command.Name))
throw new ArgumentNullException("command.Name");
Console.WriteLine("Got command: {0}, Id: {1}, Name: {2}", command.GetType().Name, command.Id, command.Name);
using (var db = new MyReadStore())
{
if (db.SomeItems.Where(x => x.Id == command.Id).Any())
throw new Exception("Item does already exists");
db.SomeItems.Add(new SomeItem() { Id = command.Id, Name = command.Name, IsActive = false });
db.SaveChanges();
}
_publisher.Publish(new ItemAddedEvent() { Id = command.Id, Name = command.Name });
_publisher.Publish(new ClientNotification() {
Success = true,
Message = string.Format("The item '{0}' was added", command.Name),
ClientId = command.ClientId
});
}
catch (Exception ex)
{
Console.WriteLine("Failed to execute command: {0}, Message: {1}", command.GetType().Name, ex.Message);
_publisher.Publish(new ClientNotification() { Success = false,
Message = string.Format("Could not add the item. Errormessage: ", ex.Message),
ClientId = command.ClientId });
}
}
public void Handle(UpdateItemCommand command)
{
try
{
Thread.Sleep(new Random().Next(500, 4000));
if (command.Id == Guid.Empty)
throw new ArgumentNullException("command.Id");
if (string.IsNullOrEmpty(command.NewName))
throw new ArgumentNullException("command.Name");
Console.WriteLine("Got command: {0}, Id: {1}, NewName: {2}", command.GetType().Name, command.Id, command.NewName);
using (var db = new MyReadStore())
{
var item = db.SomeItems.Where(x => x.Id == command.Id).FirstOrDefault();
if (item == null)
throw new Exception("Item with id " + command.Id.ToString() + " does not exist.");
item.Name = command.NewName;
item.IsActive = command.IsActive;
db.SaveChanges();
}
_publisher.Publish(new ItemUpdatedEvent() { Id = command.Id, Name = command.NewName });
_publisher.Publish(new ClientNotification()
{
Success = true,
Message = string.Format("The item '{0}' was updated.", command.NewName),
ClientId = command.ClientId
});
}
catch (Exception ex)
{
Console.WriteLine("Failed to execute command: {0}, Message: {1}", command.GetType().Name, ex.Message);
_publisher.Publish(new ClientNotification() {
Success = false,
Message = string.Format("Could not update the item. Errormessage: ", ex.Message),
ClientId = command.ClientId
});
}
}