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Add SelfReferencing check in Category database BeforeSave hook

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qowevisa 2024-11-11 22:26:47 +02:00
parent 8a7d52efda
commit 22007ef38e
1 changed files with 4 additions and 0 deletions
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4
db/category.go
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@ -35,9 +35,13 @@ var (
ERROR_CATEGORY_PARENT_NOT_FOUND = errors.New("Can't find Category with ParentID for user") ERROR_CATEGORY_PARENT_NOT_FOUND = errors.New("Can't find Category with ParentID for user")
ERROR_CATEGORY_NAME_NOT_UNIQUE = errors.New("Name for Category have to be unique for user") ERROR_CATEGORY_NAME_NOT_UNIQUE = errors.New("Name for Category have to be unique for user")
ERROR_CATEGORY_USER_ID_NOT_EQUAL = errors.New("ParentID is invalid for user") ERROR_CATEGORY_USER_ID_NOT_EQUAL = errors.New("ParentID is invalid for user")
ERROR_CATEGORY_SELF_REFERENCING = errors.New("Category can't set itself as a parent")
) )
func (c *Category) BeforeSave(tx *gorm.DB) error { func (c *Category) BeforeSave(tx *gorm.DB) error {
if c.ParentID == c.ID {
return ERROR_CATEGORY_SELF_REFERENCING
}
if c.ParentID != 0 { if c.ParentID != 0 {
var parent Category var parent Category
if err := tx.Find(&parent, c.ParentID).Error; err != nil { if err := tx.Find(&parent, c.ParentID).Error; err != nil {