mirror of https://github.com/go-gorm/gorm.git
54 lines
1.6 KiB
Go
54 lines
1.6 KiB
Go
package gorm
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import "fmt"
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// Define callbacks for deleting
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func init() {
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defaultCallback.Delete().Register("gorm:begin_transaction", beginTransactionCallback)
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defaultCallback.Delete().Register("gorm:before_delete", beforeDeleteCallback)
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defaultCallback.Delete().Register("gorm:delete", deleteCallback)
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defaultCallback.Delete().Register("gorm:after_delete", afterDeleteCallback)
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defaultCallback.Delete().Register("gorm:commit_or_rollback_transaction", commitOrRollbackTransactionCallback)
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}
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// beforeDeleteCallback will invoke `BeforeDelete` method before deleting
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func beforeDeleteCallback(scope *Scope) {
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if !scope.HasError() {
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scope.CallMethod("BeforeDelete")
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}
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}
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// deleteCallback used to delete data from database or set deleted_at to current time (when using with soft delete)
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func deleteCallback(scope *Scope) {
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if !scope.HasError() {
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var extraOption string
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if str, ok := scope.Get("gorm:delete_option"); ok {
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extraOption = fmt.Sprint(str)
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}
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if !scope.Search.Unscoped && scope.HasColumn("DeletedAt") {
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scope.Raw(fmt.Sprintf(
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"UPDATE %v SET deleted_at=%v%v%v",
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scope.QuotedTableName(),
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scope.AddToVars(NowFunc()),
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addExtraSpaceIfExist(scope.CombinedConditionSql()),
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addExtraSpaceIfExist(extraOption),
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)).Exec()
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} else {
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scope.Raw(fmt.Sprintf(
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"DELETE FROM %v%v%v",
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scope.QuotedTableName(),
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addExtraSpaceIfExist(scope.CombinedConditionSql()),
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addExtraSpaceIfExist(extraOption),
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)).Exec()
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}
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}
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}
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// afterDeleteCallback will invoke `AfterDelete` method after deleting
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func afterDeleteCallback(scope *Scope) {
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if !scope.HasError() {
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scope.CallMethod("AfterDelete")
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}
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}
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