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我正在开发一个php购物清单功能/ api

分类：PHP作者：编程之家AI导航网

返回一个购物清单对象数组,用于购物者,或者具有“建议”标志=’Y’的列表

当我手动将令牌添加到$_GET时,我带着一个空白数组返回. [{},{}]
但如果我var_dump($shopper_list)我得到两个不同的用户列表..它应该只有一个,因为一次登录应该等于一个令牌：

[{},{}]
array(2) {
  [0]=>
  object(UserShoppingList)#4 (14) {
    ["sign_in_token":protected]=>
    NULL
    ["Shopper":protected]=>
    NULL
    ["ID":protected]=>
    string(1) "4"
    ["SHOPPING_LIST_NAME":protected]=>
    string(18) "kj's shopping list"
    ["SUGGESTION":protected]=>
    string(1) "N"
    ["SEQUENCE":protected]=>
    NULL
    ["ShoppingListItem":protected]=>
    NULL
    ["api_url":protected]=>
    NULL
    ["table":"Base":private]=>
    string(23) "jfw_shopping_list_names"
    ["procedure":"Base":private]=>
    NULL
    ["procedure_args":"Base":private]=>
    NULL
    ["keys":"Base":private]=>
    array(1) {
      ["ID"]=>
      NULL
    }
    ["alias_db_to_PHP":"Base":private]=>
    array(0) {
    }
    ["alias_PHP_to_db":"Base":private]=>
    array(0) {
    }
  }
  [1]=>
  object(UserShoppingList)#5 (14) {
    ["sign_in_token":protected]=>
    NULL
    ["Shopper":protected]=>
    NULL
    ["ID":protected]=>
    string(1) "2"
    ["SHOPPING_LIST_NAME":protected]=>
    string(20) "bonner shopping list"
    ["SUGGESTION":protected]=>
    string(1) "N"
    ["SEQUENCE":protected]=>
    NULL
    ["ShoppingListItem":protected]=>
    NULL
    ["api_url":protected]=>
    NULL
    ["table":"Base":private]=>
    string(23) "jfw_shopping_list_names"
    ["procedure":"Base":private]=>
    NULL
    ["procedure_args":"Base":private]=>
    NULL
    ["keys":"Base":private]=>
    array(1) {
      ["ID"]=>
      NULL
    }
    ["alias_db_to_PHP":"Base":private]=>
    array(0) {
    }
    ["alias_PHP_to_db":"Base":private]=>
    array(0) {
    }
  }
}

我的PHP页面(get_shopping_lists.PHP)看起来像这样：

/*
    This script is used to return a JSON array of ShoppingList objects.
    Those objects can be limited to either only "suggested" ShoppingList names,
    or to all of the lists for a single Shopper.  So, either the shopper_id or
    the boolean "suggested_only" should be set.
*/
if(!isset($_GET['token']) && !isset($_GET['suggested_only'])) {
    die('Must pass-in either a \'token\' or \'suggested_only\' flag');
}

if(isset($_GET['token'])) {
    $shopper = new Shopper($_GET['token'])
    or die('Could not instantiate a new Shopper from the \'token\' passed-in');

    $shopper_lists = $shopper->get_lists(true);
    echo json_encode($shopper_lists);
}

if(isset($_GET['suggested_only']) && $_GET['suggested_only'] == 'true') {

}

我想要返回一个购物清单对象数组,要么是购物者(在那里你将一个标记传递给Shopper类的“get_lists”函数),要么是具有“建议”标志的列表= ‘Y’如果你要通过另一个参数来表示你只想要建议的列表.这些选项中的每一个都会以不同的方式调用框架中的部分.

购物者类：

// Most objects in this framework are populated by calling the constructor, but
// this one has a variety of entry points. They don't do any sanity checking
// with eachother, so you can have $user->create and $user->register refer to
// completely different rows.
class Shopper extends Base {

    protected $shopper_id;
    protected $email;
    protected $user_name;
    protected $temp_token;
    protected $sign_in_token;

    protected $UserShoppingList;

    function __construct($email = null) {
        // For testing use only. Declined to wrap in this_is_dev because I
        // foresee using it somewhere in the code, pushing live, and being 
//        parent::__construct('jfw_shoppers', array('SHOPPER_ID' => $shopper_id));

        // Allow them to pass an e-mail address or the token
        if (strpos($email, '@') === false) {
            $this->sign_in_token = $email;
        } else {
            $this->email = $email;
        }
    }

    // todo: need a new function to do the actual activation.
    public function activate($temp_token) {
        global $db;

        $this->set_temp_token($temp_token);

        $vars = array();
        $vars[] = array(':i_temp_token', $this->get_temp_token());

        // Returns a Y or N
        return $db->get_function_as_proc('custom.japi_shopper_identity.Activate_User(:i_temp_token)', $vars) == 'Y';
    }

    public function create($password) {
        global $db;

        if (!$this->get_email() || !$this->get_username()) {
            return false;
        }

        $vars = array();
        $vars[] = array(':email', $this->get_email());
        $vars[] = array(':username', $this->get_username());
        $vars[] = array(':password', $password);

        $id = $db->get_function_as_proc('custom.japi_shopper_identity.create_user(:email, :username,  :password)', $vars);
        $this->set_id($id);

        // If it Failed, it'll puke on the procedure. If we've come this far, we
        // kNow it worked.
        return true;
    }

    public function get_email() {
        return $this->email;
    }

    private function get_id() {
        if (isset($this->shopper_id)) {
            return $this->shopper_id;

        // If this object has an e-mail address or the user sent one
        } else if ($this->get_email())  {
            global $db;

            $vars = array();
            $vars[] = array(':i_email_id', $this->get_email());

            // FUNCTION get_id_by_email(i_email_id IN jfw_shoppers.email%TYPE)
            $id = array_pop(array_pop($db->get_function('custom.japi_shopper_identity.get_id_by_email(:i_email_id)', $vars)));

            $this->set_id($id);
            $this->shopper_id = $id;
            return $this->shopper_id;

        // Can also get from token
        } else if ($this->get_sign_in_token())  {
            // todo: call get_id_by_token
            return false;
        }
    }


    // todo: test
    public function get_lists($clobber = false) {
        global $pd;
//        $pd->print_object($this, 'User - has token?');
//        $pd->print_object($this->get_sign_in_token(), 'Token');

        if ($this->UserShoppingList != null && !$clobber) {
            return $this->UserShoppingList;

        } else if ($this->get_sign_in_token()) {
            global $db;
            $pd->print_object($this, 'User - has token?');
            $pd->print_object(strtolower($this->get_sign_in_token()), 'token?');

            $vars = array();
            $vars[] = array(':i_sign_in_token', strtolower($this->get_sign_in_token()));

            $pd->print_object($this->get_sign_in_token(), 'About to seek lists using token');
            $rows = $db->get_function('custom.japi_shopper_identity.get_lists_for_shopper(:i_sign_in_token)', $vars);
            $pd->print_object($rows, 'Rows returned by get_lists using token '.$this->get_sign_in_token());

            // Turn the rows into objects
            $this->UserShoppingList = array_to_objects($rows, 'UserShoppingList');

            return $this->UserShoppingList;
        } else {
            return false;
        }
    }

    public function get_sign_in_token() {
        if ($this->sign_in_token != null) {
            return $this->sign_in_token;
        } else {
            return false;
        }
    }

    public function get_temp_token() {
        if ($this->temp_token != null) {
            return $this->temp_token;
        } else {
            return false;
        }
    }

    public function get_username() {
        return $this->user_name;
    }

    public function json($obj = null, $return_json = false) {
        if ($obj == null) {
            $obj = $this;
        }
        return parent::json($obj, $return_json);
    }

    // Most objects in this framework are populated by calling the constructor,
    // but the only way to populate this one is to call this function with good 
    // credentials.
    public function login($password) {
        global $db;

        if (!$this->get_email()) {
            return false;
        }

        // Log them in Now that we kNow who they are. 
        $vars = array();
        $vars[] = array(':i_email_id', $this->get_email());
        $vars[] = array(':i_password', $password);

        // This also exists, but is not yet in use:
        // $token = $db->get_function_as_proc('custom.japi_shopper_identity.login_by_username(:i_username, :i_password)', $vars);
        $token = $db->get_function_as_proc('custom.japi_shopper_identity.Login_by_Email(:i_email_id, :i_password)', $vars);
        // todo: what if it's bad credentials?

        if ($token == null) {
            return false;

        } else {
            $this->set_sign_in_token($token);
            return $this->get_sign_in_token();
        }
    }

    public function password_reset($tmp_token, $password) {
        global $db;

        if (strlen($password) < 8) {
            return false;
        }

        $vars = array();
        $vars[] = array(':temp_token', $tmp_token);
        $vars[] = array(':new_password', $password);

        return $db->get_function_as_proc('custom.japi_shopper_identity.password_reset(:temp_token, :new_password)', $vars) == 'Y';
    }

    public function request_activation() {
        global $db;

        $vars = array();
        $vars[] = array(':i_shopper_id', $this->get_id());

        // Returns a temp token
        $temp_token = $db->get_function_as_proc('custom.japi_shopper_identity.activate_user_request(:i_shopper_id)', $vars);

        if ($temp_token == null) {
            return false;
        } else {
            $this->send_activation_email();
            return $temp_token;
        }
    }

    public function request_password_reset() {
        global $db, $pd;

        if (!$this->get_id()) {
            return false;
        }

        $vars = array();
        $vars[] = array(':shopper_id', $this->get_id());

        $temp_token = $db->get_function_as_proc('custom.japi_shopper_identity.password_reset_request(:shopper_id)', $vars);
        if ($temp_token == null) {
            return false;
        } else {
            $this->set_temp_token($temp_token);
            $pd->print_object('About to send the e-mail');
            $this->send_password_email();
            $pd->print_object('Sent the email');
            return $this->get_temp_token();
        }
    }


    private function send_activation_email() {
        if (!$this->get_email() || !$this->get_temp_token())  {
            return false;
        }


        $fancy = '
<div style="text-align: center;"><img src="logo.jpg" /></div>
<h2>Welcome to com!</h2>
<p>To complete your registration, <a href="todo: ">click here</a> or copy and paste the URL into your browser:</p>

URL?token='.$this->get_temp_token().'

Thanks!
';

        $plain = 'Welcome to com!

To complete your registration, please activate your account by going to the URL below:

URL?token='.$this->get_temp_token().'

Thanks!
';

        // todo: subject Could probably be better
        return email_customer($this->get_email(), 'Welcome to com!', $fancy, $plain);
    }


    private function send_password_email() {
        global $pd;
        $pd->print_object('In send_password_email');
        $pd->print_object($this->get_email(), 'E-mail');
        $pd->print_object($this->get_temp_token(), 'Token');

        if (!$this->get_email() || !$this->get_temp_token())  {
            return false;
        }

        $pd->print_object($this->get_email(), 'Have all the data I need');


        $fancy = '
<div style="text-align: center;"><img src="logo.jpg" /></div>
<h2>Welcome to com!</h2>
<p>To reset your password, <a href="todo: ">click here</a> or copy and paste the URL into your browser:</p>

<p>URL?token='.$this->get_temp_token().'</p>

<p>Thanks!</p>
';
        $plain = 'Welcome to com!

To reset your password by going to the URL below:

URL?token='.$this->get_temp_token().'

Thanks!
';
        $pd->print_object('About to actually e-mail');


        return email_customer($this->get_email(), "Reset your com password", $fancy, $plain);
    }

    public function set_email($email) {
        return $this->email = $email;
    }

    public function set_id($email) {
        return $this->shopper_id;
    }

    public function set_sign_in_token($token) {
        return $this->sign_in_token = $token;
    }

    public function set_temp_token($token) {
        return $this->temp_token = $token;
    }

    public function set_username($username) {
        return $this->user_name = $username;
    }
}

关于如何引用购物者列表,如果他们没有列表而不是选择建议,我有点困惑.

我在我的(oracle11g)数据库中得到了一些测试列表：

     ID SHOPPING_LIST_NAME                                 S SEQUENCE
------- -------------------------------------------------- - --------
      3 793d7384fa4fa247d6fae07db104147d0a2dad6e           N
      1 test amnaik shopping list                          N
      4 kj's shopping list                                 N
      5 kj's shopping list from 1384201636                 N
      6 kj's shopping list from 1384201659                 N
      7 kj's shopping list from 1384202055                 N
      8 kj's shopping list from 1384202089                 N
      2 bonner shopping list                               N

8 rows selected.



SHOPPING_LIST_ID SHOPPER_ID ITM_CD    QUANTITY CHANGE_DA CHANGE_US A O
---------------- ---------- --------- -------- --------- --------- - -
               1          2 ABI85MT06        4 28-OCT-13 CUSTOM    N N
               1          1 STZ28AC1         3 11-NOV-13 CUSTOM    Y N
               1          1 ABI85MT06        3 11-NOV-13 CUSTOM    Y N
               1          1 XYZ              1                     Y N
               2          1 XYZ              1                     Y N
               4         67 MND44SA01        1                     Y N
               4         67 MND44SA02        1                     Y N
               2         67 MND44SA02        1                     Y N
               1          1 ABCDEF           1                     Y N

9 rows selected.

像往常一样,任何帮助或建议将不胜感激.谢谢.

解决方法:

基于该Shopper类,您更新的get_lists函数正在调用db方法：

$rows = $db->get_function('custom.japi_shopper_identity.get_lists_for_shopper(:i_sign_in_token)', $vars);

此方法返回一个数组,我必须假设该数组来自oracle db的查询结果.将它转换为一组对象并将其返回给get_shopping_lists.PHP后,您需要检查以确保此值不为false,因为这是get_lists()方法调用中的最后一个条件.如果是,输出某种类型的错误消息(可能是JSON格式,如果这是您的消费者所期望的).

至于你想要添加的新东西

>如果他们没有列表,则自动创建一个列表
>获取建议的清单

对于第一个,在您获取行之后,您将检查以确保$rows不为空,然后调用方法来创建列表(可能还有某种类型的customer.japi_shopper …函数在oracle端.

对于第二个,你将使用if / else分支逻辑(如果$suggest == true,获取结果;否则,执行你已经在做的事情……)

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