Use dedicated type for each order field

Signed-off-by: gearnode <bryan@frimin.fr>

pkg/coredata/organization.go

@@ -39,8 +39,13 @@ type (
 	Organizations []*Organization
 )
 
-func (o Organization) CursorKey(orderBy page.OrderField) page.CursorKey {
-	return page.NewCursorKey(o.ID, o.CreatedAt)
+func (o Organization) CursorKey(orderBy OrganizationOrderField) page.CursorKey {
+	switch orderBy {
+	case OrganizationOrderFieldCreatedAt:
+		return page.NewCursorKey(o.ID, o.CreatedAt)
+	}
+
+	panic(fmt.Sprintf("unsupported order by: %s", orderBy))
 }
 
 func (o *Organization) LoadByID(