HOW TO prevent deletion of the last record in the model?

[administrator]

To prevent prevent deletion of the last record in the model you have to re-declare beforeDelete() in your model in s following manner:

Code: Select all

/**
 * This method is invoked before deleting a record (after validation, if any)
 * @param string $pk
 * @return boolean
*/
protected function _beforeDelete($pk = '')
{       
    if($this->count() > 1){
        return true;
    }else{
        $this->_error = true;
        $this->_errorMessage = A::t('core', 'You cannot delete the last remaining record in table {table}!', array('{table}'=>'<b>'.ucfirst($this->_table).'</b>'));
        return false;   
    }
}

Of course, you may use this way to prevent deleting last X records (according to your needs).