public async Task PointsEarned(Guid id, double points, MembershipPointsType type)
{
var entity = await GenericEntityFactory <Membership> .GetEntityAsync(_simpleEventStoreDbContext, id.ToString());
entity.PointsEarned(points, type);
await _simpleEventStoreDbContext.SavePendingEventsAsync(entity.PendingEvents, 1, "Sample");
await _eventBusService.Publish(entity.PendingEvents);
}
public async Task Handle(CustomerRegisteredEvent notification, CancellationToken cancellationToken)
{
var membership = new Membership(notification.Id);
await _eventStoreDbContext.SavePendingEventsAsync(membership.PendingEvents, 1, "Sample");
await _eventBusService.Publish(membership.PendingEvents);
}
public async Task Handle(MembershipPointsEarnedEvent notification, CancellationToken cancellationToken)
{
var membership = await _readModelDbContext.Memberships
.Include(m => m.Points)
.FirstOrDefaultAsync(m => m.Id == notification.Id);
// this is require, as otherwise, the place where it save to the read mokdel will throw some exceptions
_readModelDbContext.Entry(membership).State = EntityState.Detached;
var newPoints = membership.TotalPoints;
var newPointsPer100 = (int)(newPoints / 100);
var previousPoints = membership.TotalPoints - notification.Amount;
var previousPointsPer100 = (int)(previousPoints / 100);
var rewardPointsEarned = newPointsPer100 - previousPointsPer100;
if (rewardPointsEarned > 0)
{
var rewardType = (rewardPointsEarned == 1)
? RewardType.GiftVoucher
: RewardType.FreeMeal;
var entity = new Reward(membership.CustomerId, rewardType);
await _simpleEventStoreDbContext.SavePendingEventsAsync(entity.PendingEvents, 1, "Sample");
await _eventBusService.Publish(entity.PendingEvents);
}
}
public async Task <bool> RegisterCustomerAsync(string username, string firstname, string lastname, string email)
{
// pretend to run some sort of validation here.
// username must be unique.
var isUsernameExists = _readModelDbContext.Customers.Any(c => c.Username == username);
if (isUsernameExists)
{
return(false);
}
var customer = new Customer(Guid.NewGuid(), username, firstname, lastname, email);
await _eventStoreDbContext.SavePendingEventsAsync(customer.PendingEvents, 1, "Sample");
await _eventBusService.Publish(customer.PendingEvents);
return(true);
}