first commit

services/order/store.go

@@ -0,0 +1,82 @@
+package order
+
+import (
+	"context"
+
+	"github.com/jmoiron/sqlx"
+	"sismedika.com/sas/westone/types"
+)
+
+type Store struct {
+	db *sqlx.DB
+}
+
+func NewStore(db *sqlx.DB) *Store {
+	return &Store{db: db}
+}
+
+func (s *Store) CreateOrder(order types.Order) (int, error) {
+	// Start a new transaction
+	tx, err := s.db.BeginTxx(context.Background(), nil)
+	if err != nil {
+		return 0, err
+	}
+
+	// Defer rollback to ensure transaction is rolled back in case of an error
+	defer func() {
+		if err != nil {
+			tx.Rollback()
+		}
+	}()
+
+	query := `INSERT INTO orders (userId, total, status, address) 
+              VALUES (:userId, :total, :status, :address)`
+
+	// Using tx.NamedExec to insert the order within the transaction
+	res, err := tx.NamedExec(query, order)
+	if err != nil {
+		return 0, err
+	}
+
+	// Retrieving the last inserted ID
+	id, err := res.LastInsertId()
+	if err != nil {
+		return 0, err
+	}
+
+	// Commit the transaction if everything succeeded
+	if err = tx.Commit(); err != nil {
+		return 0, err
+	}
+	return int(id), nil
+}
+
+func (s *Store) CreateOrderItem(orderItem types.OrderItem) error {
+	// Start a new transaction
+	tx, err := s.db.BeginTxx(context.Background(), nil)
+	if err != nil {
+		return err
+	}
+	// Defer rollback to ensure transaction is rolled back in case of an error
+	defer func() {
+		if err != nil {
+			tx.Rollback()
+		}
+	}()
+
+	query := `INSERT INTO order_items (orderId, productId, quantity, price) 
+              VALUES (:orderId, :productId, :quantity, :price)`
+
+	// Using tx.NamedExec to insert the order item within the transaction
+	_, err = tx.NamedExec(query, orderItem)
+	if err != nil {
+		return err
+	}
+
+	// Commit the transaction if everything succeeded
+	if err = tx.Commit(); err != nil {
+		return err
+	}
+
+	return nil
+}