我有一个CakePHP应用程序,其中有许多屏幕使用来自特定模型的数据。大多数时候,我需要一个特定的字段进行检查(比如食谱中的“user_active => 1”示例),但是我仍然希望能够将该字段指定为条件并覆盖默认值。我的代码有效,但这是最好的方法吗?
此外,$ queryData字段是混合的 - 除了数组之外还有什么可能性?只是NULL?
<?php public function beforeFind($queryData) {
if(is_array($queryData)) {
//query data was an array
if(!is_array($queryData['conditions'])) {
$queryData['conditions'] = array('Course.semester_id'=>SEMESTER_ID);
} else if (!isset($queryData['conditions']['Course.semester_id'])) {
$queryData['conditions']['Course.semester_id'] = SEMESTER_ID;
}
}
} ?>
答案 0 :(得分:0)
我建议您在模型中制作自定义findCourses($options)
功能。这样,您可以设置所有默认条件,并覆盖$options
中传递的任何内容。
以下是一个例子:
//Article model
public function articles($opts = null) {
//initialize
$params = array();
$findType = 'all';
$params['conditions'] = array();
//status
if(!empty($opts['status'])) {
array_push($params['conditions'], array('Article.status'=>$opts['status']));
} else {
array_push($params['conditions'], array('Article.status'=>1));
}
//id
if(!empty($opts['id'])) {
$params['limit'] = 1;
$findType = 'first';
array_push($params['conditions'], array('Article.id'=>$opts['id']));
}
//slug
if(!empty($opts['slug'])) {
$params['limit'] = 1;
$findType = 'first';
array_push($params['conditions'], array('Article.slug'=>$opts['slug']));
}
//limit (and find type)
if(!empty($opts['limit'])) {
$params['limit'] = $opts['limit'];
if($opts['limit'] == 1) $findType = 'first';
}
//order by
$params['order'] = array('Article.created DESC');
if(!empty($opts['order'])) {
$params['order'] = $opts['order'];
}
//type
if(!empty($opts['type'])) {
array_push($params['conditions'], array('type'=>$opts['type']));
}
//find type
if(!empty($opts['find_type'])) $findType = $opts['find_type'];
//slug
if(!empty($opts['slug'])) {
array_push($params['conditions'], array('slug'=>$opts['slug']));
}
//search
if(!empty($opts['search'])) {
array_push($params['conditions'], array('Article.title LIKE' => '%'.$opts['search'].'%'));
}
//contain
$params['contain'] = array('MetaData', 'Tag', 'Upload');
//paginate options or results
if(!empty($opts['paginate'])) {
return $params;
} else {
return $this->find($findType, $params);
}
}
在我的控制器中,我可以这样做:
$opts = array('limit'=>6, 'type'=>'gaming');
$articles = $this->Article->articles($opts);