public async Task <Merchant> Handle(FindMerchant request, CancellationToken cancellationToken)
{
if (request is null)
{
throw new ArgumentNullException(nameof(request));
}
using (var db = new PaymentGatewayDbContext())
{
return(await db.Merchants.FindAsync(request.Id));
}
}
public Task <Merchant> Handle(FindMerchant request, CancellationToken cancellationToken)
{
if (request is null)
{
throw new ArgumentNullException(nameof(request));
}
if (MerchantDb.TryGetValue(request.Id, out var merchant))
{
return(Task.FromResult(merchant));
}
return(Task.FromResult <Merchant>(null));
}
