feat: sorting for primitive fields

# Conflicts:
#	frontend/src/App.vue

internal/utils/update_associations.go

@@ -0,0 +1,41 @@
+package utils
+
+import (
+	"errors"
+	"reflect"
+
+	"gorm.io/gorm"
+)
+
+func UpdateAssociations(db *gorm.DB, item interface{}) error {
+	// We expect a pointer to a struct so we can do db.Model(item).
+	val := reflect.ValueOf(item)
+	if val.Kind() != reflect.Ptr {
+		return errors.New("item must be a pointer to a struct")
+	}
+
+	elem := val.Elem()
+	if elem.Kind() != reflect.Struct {
+		return errors.New("item must be a pointer to a struct")
+	}
+
+	t := elem.Type()
+	for i := 0; i < elem.NumField(); i++ {
+		fieldVal := elem.Field(i)
+		fieldType := t.Field(i)
+
+		// Only process exported fields (capitalized) and slices.
+		if fieldType.PkgPath == "" && fieldVal.Kind() == reflect.Slice {
+			// For clarity, the association name is the struct field name by default.
+			assocName := fieldType.Name
+
+			// Replace the association with the current slice value.
+			// If you only want to replace on non-nil or non-empty slices, you can add extra checks here.
+			if err := db.Model(item).Association(assocName).Replace(fieldVal.Interface()); err != nil {
+				return err
+			}
+		}
+	}
+
+	return nil
+}