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PHP

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<?php
// +----------------------------------------------------------------------
// | OneThink [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2013 http://www.onethink.cn All rights reserved.
// +----------------------------------------------------------------------
// | Author: huajie <banhuajie@163.com>
// +----------------------------------------------------------------------
namespace Admin\Model;
use Think\Model;
/**
* 文档基础模型
*/
class ModelModel extends Model{
/* 自动验证规则 */
protected $_validate = array(
array('name', 'require', '标识不能为空', self::MUST_VALIDATE , 'regex', self::MODEL_INSERT),
array('name', '/^[a-zA-Z]\w{0,39}$/', '文档标识不合法', self::VALUE_VALIDATE, 'regex', self::MODEL_BOTH),
array('name', '', '标识已经存在', self::VALUE_VALIDATE, 'unique', self::MODEL_BOTH),
array('title', 'require', '标题不能为空', self::MUST_VALIDATE, 'regex', self::MODEL_BOTH),
array('title', '1,30', '标题长度不能超过30个字符', self::MUST_VALIDATE, 'length', self::MODEL_BOTH),
array('list_grid', 'checkListGrid', '列表定义不能为空', self::MUST_VALIDATE, 'callback', self::MODEL_UPDATE),
);
/* 自动完成规则 */
protected $_auto = array(
array('name', 'strtolower', self::MODEL_INSERT, 'function'),
array('create_time', NOW_TIME, self::MODEL_INSERT),
array('update_time', NOW_TIME, self::MODEL_BOTH),
array('status', '1', self::MODEL_INSERT, 'string'),
array('field_sort', 'getFields', self::MODEL_BOTH, 'callback'),
array('attribute_list', 'getAttribute', self::MODEL_BOTH, 'callback'),
);
/**
* 检查列表定义
* @param type $data
*/
protected function checkListGrid($data) {
return I("post.extend") != 0 || !empty($data);
}
/**
* 新增或更新一个文档
* @return boolean fasle 失败 int 成功 返回完整的数据
* @author huajie <banhuajie@163.com>
*/
public function update(){
/* 获取数据对象 */
$data = $this->create();
if(empty($data)){
return false;
}
/* 添加或新增基础内容 */
if(empty($data['id'])){ //新增数据
$id = $this->add(); //添加基础内容
if(!$id){
$this->error = '新增模型出错!';
return false;
}
} else { //更新数据
$status = $this->save(); //更新基础内容
if(false === $status){
$this->error = '更新模型出错!';
return false;
}
}
// 清除模型缓存数据
S('DOCUMENT_MODEL_LIST', null);
//记录行为
action_log('update_model','model',$data['id'] ? $data['id'] : $id,UID);
//内容添加或更新完成
return $data;
}
/**
* 处理字段排序数据
*/
protected function getFields($fields){
return empty($fields) ? '' : json_encode($fields);
}
protected function getAttribute($fields="") {
return empty($fields) ? '' : implode(',', $fields);
}
/**
* 获取指定数据库的所有表名
*/
public function getTables(){
return $this->db->getTables();
}
/**
* 根据数据表生成模型及其属性数据
* @author huajie <banhuajie@163.com>
*/
public function generate($table,$name='',$title=''){
//新增模型数据
if(empty($name)){
$name = $title = substr($table, strlen(C('DB_PREFIX')));
}
$data = array('name'=>$name, 'title'=>$title);
$data = $this->create($data);
if($data){
$res = $this->add($data);
if(!$res){
return false;
}
}else{
$this->error = $this->getError();
return false;
}
//新增属性
$fields = M()->query('SHOW FULL COLUMNS FROM '.$table);
foreach ($fields as $key=>$value){
$value = array_change_key_case($value);
//不新增id字段
if(strcmp($value['field'], 'id') == 0){
continue;
}
//生成属性数据
$data = array();
$data['name'] = $value['field'];
$data['title'] = $value['comment'];
$data['type'] = 'string'; //TODO:根据字段定义生成合适的数据类型
//获取字段定义
$is_null = strcmp($value['null'], 'NO') == 0 ? ' NOT NULL ' : ' NULL ';
$data['field'] = $value['type'].$is_null;
$data['value'] = $value['default'] == null ? '' : $value['default'];
$data['model_id'] = $res;
$_POST = $data; //便于自动验证
D('Attribute')->update($data, false);
}
return $res;
}
/**
* 删除一个模型
* @param integer $id 模型id
* @author huajie <banhuajie@163.com>
*/
public function del($id){
//获取表名
$model = $this->field('name,extend')->find($id);
if($model['extend'] == 0){
$table_name = C('DB_PREFIX').strtolower($model['name']);
}elseif($model['extend'] == 1){
$table_name = C('DB_PREFIX').'document_'.strtolower($model['name']);
}else{
$this->error = '只支持删除文档模型和独立模型';
return false;
}
//删除属性数据
M('Attribute')->where(array('model_id'=>$id))->delete();
//删除模型数据
$this->delete($id);
//删除该表
$sql = <<<sql
DROP TABLE {$table_name};
sql;
$res = M()->execute($sql);
return $res !== false;
}
}