public PaymentCancelledConsumer(BillingDbContext dbContext, ILogger <PaymentCancelledConsumer> logger)
 {
     this.dbContext = dbContext;
     this.logger    = logger;
 }
 public OrderRegisteredConsumer(BillingDbContext dbContext, ILogger <OrderRegisteredConsumer> logger)
 {
     this.dbContext = dbContext;
     this.logger    = logger;
 }