feat: update order s

backend/app/models/orders.go

@@ -12,6 +12,7 @@ import (
 
 	. "github.com/go-jet/jet/v2/postgres"
 	"github.com/pkg/errors"
+	"github.com/samber/lo"
 	"github.com/sirupsen/logrus"
 )
 
@@ -100,20 +101,56 @@ func (m *ordersModel) List(ctx context.Context, pagination *requests.Pagination,
 	m.log.Infof("sql: %s", stmt.DebugSql())
 
 	var orders []model.Orders = make([]model.Orders, 0)
-	err := stmt.QueryContext(ctx, db, &orders)
-	if err != nil {
+	if err := stmt.QueryContext(ctx, db, &orders); err != nil {
 		m.log.Errorf("error querying orders: %v", err)
 		return nil, err
 	}
 
+	postsMap, err := Posts.GetPostsMapByIDs(ctx, lo.Map(orders, func(order model.Orders, _ int) int64 {
+		return order.PostID
+	}))
+	if err != nil {
+		m.log.Errorf("error getting posts map: %v", err)
+		return nil, err
+	}
+
+	userMap, err := Users.GetUsersMapByIDs(ctx, lo.Map(orders, func(order model.Orders, _ int) int64 {
+		return order.UserID
+	}))
+	if err != nil {
+		m.log.Errorf("error getting users map: %v", err)
+		return nil, err
+	}
+
 	count, err := m.countByCondition(ctx, cond)
 	if err != nil {
 		m.log.Errorf("error getting order count: %v", err)
 		return nil, err
 	}
 
+	type orderItem struct {
+		model.Orders
+
+		PostTitle string `json:"post_title"`
+		Username  string `json:"username"`
+	}
+
 	return &requests.Pager{
-		Items:      orders,
+		Items: lo.Map(orders, func(order model.Orders, _ int) *orderItem {
+			item := &orderItem{
+				Orders: order,
+			}
+
+			if post, ok := postsMap[order.PostID]; ok {
+				item.PostTitle = post.Title
+			}
+
+			if user, ok := userMap[order.UserID]; ok {
+				item.Username = user.Username
+			}
+
+			return item
+		}),
 		Total:      count,
 		Pagination: *pagination,
 	}, nil