Question

我正在尝试将CakePHP 2.3中的相关模型正确保存，但我遇到了问题。我正在存储帖子，我想知道这些帖子中有哪些链接。对于每个链接，我想存储锚文本（如果可用）。我的数据库设置如下图所示。

Database Diagram http://derekperkins.com/wp-content/uploads/cakephp-database.png

锚定模型

class Anchor extends AppModel {

        public $hasMany = array(
            'PostsUrl' => array(
                'className' => 'PostsUrl',
                'foreignKey' => 'anchor_id',
                'dependent' => false
            )
        );

        public function save($data = NULL, $validate = true, $fieldList = array()) {
            $id = Anchor::find('first', array(
                'fields' => array('id'),
                'recursive' => -1,
                'conditions' => array('anchor' => $data['anchor'])
            ));
            if( $id )
                $data['id'] = $id['Anchor']['id'];
            return parent::save($data, $validate, $fieldList);
        }
    }

网址模型

class Url extends AppModel {

    public $hasMany = array(
        'PostsUrl' => array(
            'className' => 'PostsUrl',
            'foreignKey' => 'url_id',
            'dependent' => false
        )
    );

    public function save($data = NULL, $validate = true, $fieldList = array()) {
        $id = Url::find('first', array(
            'fields' => array('id'),
            'recursive' => -1,
            'conditions' => array('url' => $data['url'])
        ));
        if( $id )
            $data['id'] = $id['Url']['id'];
        return parent::save($data, $validate, $fieldList);
    }
}

PostsUrl模型

class PostsUrl extends AppModel {

    public $belongsTo = array(
        'Post' => array(
            'className' => 'Post',
            'foreignKey' => 'post_id'
        ),
        'Url' => array(
            'className' => 'Url',
            'foreignKey' => 'url_id'
        'Anchor' => array(
            'className' => 'Url',
            'foreignKey' => 'anchor_id'
        )*/
    );
}

发布模型

class Post extends AppModel {

    public $hasMany = array(
        'PostsUrl' => array(
            'className' => 'PostsUrl',
            'foreignKey' => 'post_id',
            'dependent' => false
        )
    );


    public function save($data = NULL, $validate = true, $fieldList = array()) {
        $id = Post::find('first', array(
            'fields' => array('id'),
            'recursive' => -1,
            'conditions' => array('external_post_id' => $data['external_post_id'])
        ));
        if( $id )
            $data['id'] = $id['Post']['id'];

        return parent::save($data, $validate, $fieldList);
    }
}

提交数据

我已经创建了一个表单来测试我的模型。这是我用来保存表单创建的数组的代码。我收到一条消息说事情已成功保存，但只有帖子保存。其他三个表中没有输入任何内容。我也使用DebugKit，没有SQL调用引用任何数据。

$this->Post->saveAssociated($this->request->data, array('deep' => true))

Array
(
    [Post] => Array
        (
            [external_post_id] => 12345
            [sentiment_score] => 3.3
        )

    [URL] => Array
        (
            [url] => http://test.com
        )

    [Anchor] => Array
        (
            [anchor] => Test Anchor
        )
)

我也尝试格式化我的数组，将PostsUrl下面的URL和Anchor作为子数组，但这也不起作用。

我的模型::保存功能可以防止我复制数据，并且它们可以在我过去使用的其他模型中正常工作（尽管我愿意接受有关更好方法的建议，因为这会使用每次检查的数据库调用）。我也试过评论它们，它不会影响我的代码。我应该如何构建它才能正确保存？

Answer 1

首先关于你的Model :: save函数，例如：

public function save($data = NULL, $validate = true, $fieldList = array()) {
    $id = Post::find('first', array(
        'fields' => array('id'),
        'recursive' => -1,
        'conditions' => array('external_post_id' => $data['external_post_id'])
    ));
    if( $id )
        $data['id'] = $id['Post']['id'];

    pr($data);

    return parent::save($data, $validate, $fieldList);
}

以这种方式打印$ data：

Array
(
    [id] => 3 //for example 3
    [Post] => Array
        (
            [external_post_id] => 12345
            [sentiment_score] => 3.3
        )

    [URL] => Array
        (
            [url] => http://test.com
        )

    [Anchor] => Array
        (
            [anchor] => Test Anchor
        )
)

这个$数据不正确，正确的数据是：

  Array
    (
        [Post] => Array
            (
                [id] => 3 //for example 3
                [external_post_id] => 12345
                [sentiment_score] => 3.3
            )

        [URL] => Array
            (
                [url] => http://test.com
            )

        [Anchor] => Array
            (
                [anchor] => Test Anchor
            )
    )

您必须以这种方式更改Model :: save函数：

public function save($data = NULL, $validate = true, $fieldList = array()) {
    $id = Post::find('first', array(
        'fields' => array('id'),
        'recursive' => -1,
        'conditions' => array('external_post_id' => $data['external_post_id'])
    ));
    if( $id )
        $data[$this->name]['id'] = $id['Post']['id'];

    return parent::save($data, $validate, $fieldList);
}

第二，您无法通过单次保存来保存此数据，您应该以这种方式保存数据：

$postData = array
(
    'Post' => array
        (
            'external_post_id' => 12345
            'sentiment_score' => 3.3
        )
);

$this->Post->save($data);

$postUrlId = $this->PostsUrl->find('first', array(
'conditions' => array(
                   'post_id' => $this->Post->id
                     ),
'fields' => array('id')
));

$urlAnchorData = array(
    'URL' => array
        (
            'url' => 'http://test.com'
        ),
    'Anchor' => array
        (
            'anchor' => 'Test Anchor'
        ),
    'PostsUrl' => array(
            'id' => $postUrlId['PostsUrl']['id']
     )
);

$this->PostsUrl->saveAll('$urlAnchorData');

CakePHP saveAssociated未通过模型数据保存HasMany

1 个答案: