[AFP-129] 🌱 Create 'Order' model seeder (@asegers)

src/main/java/com/afp/ordermanagement/seeder/OrderSeeder.java

+package com.afp.ordermanagement.seeder;
+
+import com.afp.ordermanagement.model.CustomerAddress;
+import com.afp.ordermanagement.model.Item;
+import com.afp.ordermanagement.model.Order;
+import com.afp.ordermanagement.model.OrderStatus;
+import com.afp.ordermanagement.repository.OrderRepository;
+import com.github.javafaker.Faker;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.event.ContextRefreshedEvent;
+import org.springframework.context.event.EventListener;
+import org.springframework.core.env.Environment;
+import org.springframework.core.env.Profiles;
+import org.springframework.stereotype.Component;
+
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.IntStream;
+import java.util.stream.Stream;
+
+@Component
+public class OrderSeeder {
+    // Toggle
+    static private final boolean RUN_SEEDER = false; // FIXME: <- Set to `true` to run seeder on app start-up (in development)
+
+    @Autowired
+    OrderRepository orderRepository;
+
+    @Autowired
+    Faker faker;
+
+    @Autowired
+    Environment env;
+
+    // Verify that the current environment is NOT production or test
+    boolean isEnvDevelopment() {
+        return env.acceptsProfiles(Profiles.of("default", "dev", "development", "local"));
+    }
+
+    static private Stream<String> CUSTOMER_USERNAMES = Stream.of(
+            "nrobinson", "rsara", "agannamaneni", "rsayannagari",  // Superiors
+            "ccottier", "kmuldoon", "nmoosapet", "spangburn", "xlu", // ECom Team
+            "asegers", "dbhuller", "earndt", "kkaminski", "svalencia", "vivaddadhi" // OMan Team
+    );
+
+    // Create order seeds as soon as app is up and running
+    @EventListener
+    public void seedOrders(ContextRefreshedEvent event) {
+        // Only generate seeds if in development environment
+        if (isEnvDevelopment() && RUN_SEEDER) {
+            orderRepository
+                    .deleteAll()
+                    .subscribe();
+            CUSTOMER_USERNAMES.forEach(username -> {
+                String email = String.format("%s@nisum.com", username);
+                orderRepository
+                        .insert(generateOrder(email))
+                        .subscribe();
+            });
+        }
+    }
+
+    private Order generateOrder(String email){
+        OrderStatus randStatus = OrderStatus.values()[faker.number().numberBetween(0, 2)]; // exclusive range
+        Order order = new Order(randStatus);
+        order.setOrderTrackingCode(faker.number().digits(27));
+
+        long unixTime = System.currentTimeMillis();
+        order.setOrderCreatedAt(unixTime);
+        order.setOrderUpdatedAt(unixTime);
+        order.setCustomerId(faker.number().digits(12));
+        order.setCustomerEmailAddress(email);
+
+        // Order items
+        int randOrderCount = faker.number().numberBetween(1, 10);
+        List<Item> orderItems = IntStream
+                .range(0, randOrderCount)
+                .mapToObj(n -> generateItem())
+                .collect(Collectors.toList());
+        order.setOrderItems(orderItems);
+
+        // Order address
+        order.setCustomerAddress(generateOrderAddress());
+
+        return order;
+    }
+
+    private Item generateItem(){
+        Item item = new Item();
+        item.setItemId(faker.number().digits(12));
+        item.setItemName(faker.commerce().productName());
+        item.setItemSku(faker.random().hex(12));
+        item.setItemQuantity(faker.number().numberBetween(1, 30));
+        item.setItemPrice(faker.number().randomDouble(2, 5, 1000));
+        return item;
+    }
+
+    private CustomerAddress generateOrderAddress(){
+        CustomerAddress address = new CustomerAddress();
+        address.setStreet(faker.address().streetAddress());
+        address.setCity(faker.address().city());
+        String stateAbbr = faker.address().stateAbbr();
+        address.setState(stateAbbr);
+        address.setZip(faker.address().zipCode());
+        return address;
+    }
+}