fixes on structuring

pkg/utl/common/embeds.go

@@ -0,0 +1,17 @@
+package common
+
+import (
+	"strings"
+
+	"github.com/go-pg/pg/v10/orm"
+)
+
+func GenerateEmbed(qr *orm.Query, embed string) *orm.Query{
+	if embed != "" {
+		rels := strings.Split(embed, ",")
+		for _, rel := range rels {
+			qr = qr.Relation(rel)
+		}
+	}
+	return qr
+}