MuizMahdi

# - Make sure that Postgres is running, then run Kong, and finally run Konga


#----------------------------------------------------------------|
#   1. Create Network:                                           |
#----------------------------------------------------------------|
sudo docker network create {NETWORK}


#----------------------------------------------------------------|

MuizMahdi

class CreateOrderStageHandler implements Stage<CreateOrderCommand, String> {
    private String process(CreateOrderCommand order) {
        
        // Get shopper account Id
        var shopperId = accountRepository.getAccountId(order.shopperName);
        
        // Delete item from shopper's cart
        cartRepository.deleteShopperItem(shopperId, order.item);
        
        // Add the order

MuizMahdi

// In the API Controller
// ...
public String createOrder(CreateOrderCommand order) {
    // ...
    var orderCreationResult = new Pipeline<>(new CreateOrderStageHandler(order));
    return orderCreationResult;
}

MuizMahdi

interface Stage<I, O> {
  O process(I input);
}

class Pipeline<I, O> {

    private final Stage<I, O> currentStage;

    Pipeline(Stage<I, O> currentStage) {
        this.currentStage = currentStage;

MuizMahdi

@Data
public class CreateOrderCommand {
    String item, shopperName;
    int quantity;
}