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<?php
// +----------------------------------------------------------------------
// | JNAPI [ Jinaong Api Docment ]
// +----------------------------------------------------------------------
// | Copyright (c) 2018 All rights reserved.
// +----------------------------------------------------------------------
// | Author: 欧阳 <xianglong111@126.com>
// +----------------------------------------------------------------------
namespace app\common\model;
use think\Model;
class Base extends Model{
/**
* 查询条件
* @var array
*/
protected $sql_condition = [
'field' => '',
'where' => '',
'page' => '',
'limit' => 10,
'order' => '',
'group' => '',
'with' => []
];
/**
* 数量
* @var string
*/
private $count;
/**
* uid字段名
* @var string
*/
protected $uid_name = 'uid';
/**
* uid
* @var mixed
*/
protected $uid = false;
/**
* uid字段条件语句
* @var string
*/
protected $uid_condition = '';
/**
* 聚合函数
* @var const
*/
private $ploy_function = [
'count'=>'',
'sum'=>'',
'max'=>'',
'min'=>'',
'avg'=>''
];
/**
* 初始化数据
* @access public
* @param array|object $data 数据
*/
public function initData($model_field){
// 设置默认字段
$this->sql_condition['field'] = $this->allowed_field;
$model_arr = [];
if(is_array($model_field)){
foreach ($model_field as $model_child_name => $model_child) {
// 批量新增和修改的操作
if($model_child_name === 0) return $model_field;
// 是否为字段，判断标准为是否为数组
$is_field = !is_array($model_field[$model_child_name]);
if($is_field){
$model_arr[$model_child_name] = $model_child;
}else{
$model_arr['with'][$model_child_name] = "";
foreach($model_child as $key=>$field){
$model_arr['with'][$model_child_name] = $field;
}
}
}
}
$this->checkParams($model_arr);
return $model_arr;
}
/**
* 检测参数正确性
* @access public
* @param array|object $model_arr 模型数组，包含（table、field、page、count等）
*/
protected function checkParams($model_arr){
if(empty($model_arr)) return [];
foreach($model_arr as $key=>$value){
if(array_key_exists($key,$this->sql_condition)){
$method_name = 'handle'.ucfirst($key);
if(method_exists($this,$method_name)){
call_user_func_array([$this,$method_name],[$value]);
}else{
$this->sql_condition[$key] = $value;
}
}elseif(array_key_exists($key,$this->ploy_function)){
if(!empty($value)){
$this->ploy_function[$key] = $value;
}
}
}
}
/**
* 处理关联模型
* @access protected
* @param array $with 关联模型的值
* @return
*/
private function handleWith($with){
if(empty($with)) return [];
foreach($with as $model_name=>$field){
$model = model($model_name);
$field = $this->checkFieldAllowed($field,$model->allowed_field);
$this->sql_condition['with'][$model_name] = function($query) use ($field,$model_name){
$query->withField($field);
};
}
}
/**
* 处理字段方法
* @access protected
* @param array $field 当前字段列表
* @return
*/
protected function handleField($field){
$this->sql_condition['field'] = $this->checkFieldAllowed($field,$this->allowed_field);
}
/**
* 检查字段是否允许操作
* @access protected
* @param array $field 当前字段列表
* @param array $allowed_field 允许字段列表
* @return
*/
private function checkFieldAllowed($field,$allowed_field){
if($field == ''){
$field = $allowed_field;
}
if(!is_array($field)){
$field = explode(',',$field);
}
if(!empty(array_diff($field, $allowed_field))){
error('NO_PERMISSIONS_FIELD');
}
return $field;
}
/**
* 检查字段是否允许操作
* @access protected
* @param array $field 当前字段列表
* @param array $allowed_field 允许字段列表
* @return
*/
public function setUidCondition(){
$this->uid = getUid();
if($this->uid == false) error('LOGIN_TIMEOUT');
if(!empty($this->with)){
$alias = str_replace(config('database.prefix'),'',$this->table);
$this->uid_condition = $alias.'.'.$this->uid_name.'='.$this->uid;
}
}
/**
* 判断用户是否为当前操作用户
* @access public
* @param int $pk 主键值
* @return bool
*/
protected function checkUser($pk){
$user = $this->where($this->uid_name,$this->uid)->where($this->pk,$pk)->value($this->uid_name);
if(!$user) error('NO_ACCESS_ALLOWED');
}
/**
* 模型条件SQL
* @access public
* @return array
*/
protected function getModel(){
$model = $this->field($this->sql_condition['field']);
foreach($this->sql_condition as $field=>$condition){
if($field != 'field' && $condition != ''){
$model = call_user_func_array([$model,$field],[$this->sql_condition[$field]]);
}
}
return $model;
}
/**
* 查询单条数据
* @access public
* @return array
*/
public function findOne(){
return $this->getModel()->find();
}
/**
* 查询多条数据
* @access public
* @return array
*/
public function findAll(){
return $this->getModel()->select();
}
/**
* 验证token新增修改一条记录
* @access public
* @param mixed $data 主键列表 支持闭包查询条件
* @return bool
*/
public function updateOne($data)
{
$is_update = array_key_exists($this->pk,$data);
if($this->uid !== false){
if($is_update){
$this->checkUser($data[$this->pk]);
}else{
$data[$this->uid_name] = $this->uid;
}
}
return $this->allowField($this->allowed_field)->isUpdate($is_update)->save($data) !== false;
}
/**
* 验证token新增修改多条记录
* @access public
* @param mixed $data 主键列表 支持闭包查询条件
* @return bool
*/
public function updateAll($datas)
{
if($this->uid !== false){
foreach($datas as $key=>$data){
if(array_key_exists($this->pk,$data)){
$this->checkUser($data[$this->pk]);
}else{
$data['uid'] = $this->uid;
$datas[$key] = $data;
}
}
}
return $this->allowField($this->allowed_field)->saveAll($datas) !== false;
}
/**
* 删除记录
* @access public
* @param mixed $data 主键列表 支持闭包查询条件
* @return bool
*/
public function deleteAll($data)
{
$resultSet = $this->select($data);
if (count($resultSet) === 0){
return false;
}else{
foreach ($resultSet as $data) {
$rs = $data->delete();
if($rs === false) return false;
}
}
return true;
}
/**
* 获取聚合函数数据
* @access public
* @return int
*/
public function getPloy($ploy){
$model = $this->getModel();
return call_user_func_array([$model,$ploy],[$this->ploy_function[$ploy]]);
}
/**
* 执行自定义模型方法
* @access public
* @param string
* @param array
* @return
*/
public function exeFun($fun_name,$data){
return call_user_func_array([$this,$fun_name],[$data]);
}
}