1 files changed, 39 insertions, 0 deletions
diff --git a/utils/meta/sorting.go b/utils/meta/sorting.go
new file mode 100644
index 0000000..93788f0
--- /dev/null
+++ b/utils/meta/sorting.go
@@ -0,0 +1,39 @@
+package meta
+
+import (
+	"slices"
+
+	"github.com/gofiber/fiber/v2"
+	"gorm.io/gorm"
+)
+
+type Sorting struct {
+	Field     string
+	Direction string
+}
+
+func Sort(context *fiber.Ctx, allowedFields []string, fallbackField string) Sorting {
+	requestData := Request(context)
+
+	field := fallbackField
+	direction := "desc"
+
+	if sortValue := requestData.Query("sort"); sortValue != "" {
+		if slices.Contains(allowedFields, sortValue) {
+			field = sortValue
+		}
+	}
+
+	if orderValue := requestData.Query("order"); orderValue != "" {
+		switch orderValue {
+		case "asc", "desc":
+			direction = orderValue
+		}
+	}
+
+	return Sorting{Field: field, Direction: direction}
+}
+
+func (self Sorting) Apply(query *gorm.DB) *gorm.DB {
+	return query.Order(self.Field + " " + self.Direction)
+}