added route to add items to invoice

1 files changed, 15 insertions, 0 deletions

diff --git a/invoice/hooks.go b/invoice/hooks.go
index 3d933fb..686500a 100644
--- a/invoice/hooks.go
+++ b/invoice/hooks.go
@@ -55,3 +55,18 @@ func (i *Invoice) BeforeDelete(tx *gorm.DB) error {
 
 	return nil
 }
+
+func (i *InvoiceItem) BeforeSave(tx *gorm.DB) error {
+	var err error
+
+	isDraft, err := isDraft(i.InvoiceID)
+	if err != nil {
+		return err
+	}
+
+	if !isDraft {
+		return errors.ErrCannotEditInvoice
+	}
+
+	return nil
+}