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DatabaseStorage.php
150 lines (139 loc) · 2.98 KB
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DatabaseStorage.php
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<?php
/**
* @link https://www.github.com/hscstudio/yii2-cart
* @copyright Copyright (c) 2016 HafidMukhlasin.com
* @license http://www.yiiframework.com/license/
*/
namespace hscstudio\cart;
use Yii;
use yii\di\Instance;
use yii\db\Query;
/**
* DatabaseStorage is extended from Storage Class
*
* It's specialty for handling read and write cart data into database
*
* Usage:
* Configuration in block component look like this
* 'cart' => [
* 'class' => 'hscstudio\cart\Cart',
* 'storage' => [
* 'class' => 'hscstudio\cart\DatabaseStorage',
* 'table' => 'cart',
* ]
* ],
*
* @author Hafid Mukhlasin <hafidmukhlasin@gmail.com>
* @since 1.0
*
*/
class DatabaseStorage extends Storage
{
public $db = 'db';
public $table = 'cart';
/**
*
*/
public function init()
{
parent::init();
$this->db = Instance::ensure($this->db, 'yii\db\Connection');
}
public function read(Cart $cart)
{
if ($data = $this->select($cart)) {
$this->unserialize($data['value'], $cart);
}
}
public function write(Cart $cart)
{
if ($this->select($cart)) {
$this->update($cart);
} else {
$this->insert($cart);
}
}
public function lock($drop, Cart $cart)
{
if ($data = $this->select($cart)) {
if ($drop) {
$this->db->createCommand()->update($this->table, [
'and',
['or',
['user_id' => Yii::$app->user->id],
['id' => Yii::$app->session->getId()],
],
['name' => $cart->id],
['status' => 0]
]
)->execute();
} else {
$this->db->createCommand()->update($this->table, [
'status' => 1
],
[
'and',
['or',
['user_id' => Yii::$app->user->id],
['id' => Yii::$app->session->getId()],
],
['name' => $cart->id],
['status' => 0]
]
)->execute();
Yii::$app->session->regenerateID(true);
}
$this->db->createCommand($qry)->execute();
}
}
/**
* @param Cart $cart
* @return array|bool
*/
public function select(Cart $cart)
{
return (new Query())
->select('*')
->from($this->table)
->where(['or', 'user_id = ' . Yii::$app->user->id, 'id = \'' . Yii::$app->session->getId() . '\''])
->andWhere([
'name' => $cart->id,
'status' => 0,
])
->orderBy(['id' => SORT_DESC])
->limit(1)
->one($this->db);
}
/**
* @param Cart $cart
*/
public function insert(Cart $cart)
{
$this->db->createCommand()->insert($this->table, [
'id' => Yii::$app->session->getId(),
'user_id' => Yii::$app->user->id,
'name' => $cart->id,
'value' => $this->serialize($cart),
'status' => 0,
])->execute();
}
/**
* @param Cart $cart
*/
public function update(Cart $cart)
{
$this->db->createCommand()->update($this->table, [
'value' => $this->serialize($cart)
],
[
'and',
['or',
['user_id' => Yii::$app->user->id],
['id' => Yii::$app->session->getId()],
],
['name' => $cart->id],
['status' => 0]
]
)->execute();
}
}