public static ItemCreated Handle(
// This would be the message
CreateItemCommand command,
// Any other arguments are assumed
// to be service dependencies
ItemsDbContext db)
{
// Create a new Item entity
var item = new Item
{
Name = command.Name
};
// Add the item to the current
// DbContext unit of work
db.Items.Add(item);
// This event being returned
// by the handler will be automatically sent
// out as a "cascading" message
return(new ItemCreated
{
Id = item.Id
});
}
public string GetItems([FromServices] ItemsDbContext context)
{
var items = context.Items.AsQueryable().ToList();
if (items.Any())
{
var text = items.Select(x => x.Name).Join("\n");
return($"The items are:\n{text}");
}
else
{
return("There are no persisted items yet");
}
}
public DoItAllMyselfItemController(IMessageContext messaging, ItemsDbContext db)
{
_messaging = messaging;
_db = db;
}