public function delete($id)
{
if (!$this->check_power('skill_delete')) {
return;
}
$id = intval($id);
$id && ($row = SkillModel::get_skill($id));
if (empty($row)) {
message('技能不存在');
return;
}
if (!QuestionModel::check_subject_power($row['subject_id'], 'w')) {
return;
}
$this->db->delete('skill', array('id' => $id));
admin_log('delete', 'skill', $id);
message('技能删除成功', 'admin/skill/index/');
}
private function _delete($id)
{
$id = intval($id);
$item = GroupTypeModel::get_group_type($id);
if (empty($item)) {
// 知识点不存在
return -1;
}
$query = $this->db->select('count(*) num')->get_where('group_type', array('pid' => $id));
$row = $query->row_array();
if ($row['num']) {
//该信息提取方式还存在下级分类;
return -2;
}
$query = $this->db->select('count(*) num')->get_where('relate_group_type', array('group_type_id' => $id, 'is_child' => 0));
$row = $query->row_array();
if ($row['num']) {
//该信息提取方式还存在关联试题;
return -3;
}
if (!QuestionModel::check_subject_power($item['subject_id'], 'w', false)) {
//没有权限
return -4;
}
try {
$this->db->delete('group_type', array('id' => $id));
admin_log('delete', 'group_type', $id);
} catch (Exception $e) {
return FALSE;
}
return TRUE;
}