added item variantsv0.22.0

1 files changed, 24 insertions, 0 deletions

diff --git a/item/hooks.go b/item/hooks.go
index cd8d47c..e05a6cb 100644
--- a/item/hooks.go
+++ b/item/hooks.go
@@ -19,6 +19,7 @@ package item
 
 import (
 	"gorm.io/gorm"
+	"vidhukant.com/openbills/errors"
 )
 
 func (i *SavedItem) BeforeSave(tx *gorm.DB) error {
@@ -29,5 +30,28 @@ func (i *SavedItem) BeforeSave(tx *gorm.DB) error {
 		return err
 	}
 
+	if i.ID != 0 {
+		// delete all of this item's variants and save again
+		err = db.Where("saved_item_id = ?", i.ID).Delete(&ItemVariant{}).Error
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (i *SavedItem) BeforeDelete(tx *gorm.DB) error {
+	// if ID is 0, item won't be deleted
+	if i.ID == 0 {
+		return errors.ErrNoWhereCondition
+	}
+
+	// delete all of this item's variants before deleting this item
+	err := db.Where("saved_item_id = ?", i.ID).Delete(&ItemVariant{}).Error
+	if err != nil {
+		return err
+	}
+
 	return nil
 }