如何选择包含关联的字段作为主要实体的字段?

时间:2017-05-18 15:42:51

标签: php arrays rest api cakephp

我在项目中有Cakephp 3,我正在做api休息以获取JSON来获取移动设备中的数据。 我有两个与外键关联的表,如下所示:

  MySql tables 
  ----------------------
  Table Tickets:
  |id|code|price_id|

  Table Prices
  |id|price|

  ----------------------

在TicketsTable CakePHP中:

$this->belongsTo('Prices', [
        'foreignKey' => 'price_id',
        'joinType' => 'INNER'
    ]);

在我做REST api的控制器中:

$this->loadModel('Tickets');
        $entradas = $this-> Tickets->find('all')
            ->contain('Prices')
            ->select(['Tickets.code','Prices.price'])
            ->limit('200')
            ->toArray();

然后这个解析为JSON的数组返回:

"result":{  
      "tickets":[  
         {  
            "code":"08998112773",
            "prices":{  
               "prices.price":1
            }
         },
         {  
            "code":"07615265880",
            "prices.prices":{  .........

我想要返回这个JSON:

   "result":{  
          "tickets":[  
             {  
                "code":"08998112773",
                "price":1
             },
             {  
                "code":"07615265880",
                "price":1  .........

也就是说,价格不会插入到新数组中,并且表的名称不会出现在字段名称中。

非常感谢!!!!

1 个答案:

答案 0 :(得分:1)

您可以使用Cake\Collection\Collection::map()来创建新数组:

$tickets = [
    'result' => [
        'tickets' => [
            [
                'code' => '123',
                'prices' => [
                    'prices.price' => '2'
                ]
            ],
            [
                'code' => '312423',
                'prices' => [
                    'prices.price' => '4'
                ]
            ]
        ]
    ]
];

$collection = new Collection($tickets['result']['tickets']);

$new = $collection->map(function ($value, $key) {
    return [
        'code' => $value['code'], 
        'price' => $value['prices']['prices.price']
    ];
});

$result = $new->toArray();

debug(json_encode(['result' => ['tickets' => $new]], JSON_PRETTY_PRINT)); 
die;

输出结果为:

{
    "result": {
        "tickets": [
            {
                "code": "123",
                "price": "2"
            },
            {
                "code": "312423",
                "price": "4"
            }
        ]
    }
}