PHP code example of yii2tech / balance

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

yii2tech / balance example snippets

return [
    'components' => [
        'balanceManager' => [
            'class' => 'yii2tech\balance\ManagerDb',
            'accountTable' => '{{%BalanceAccount}}',
            'transactionTable' => '{{%BalanceTransaction}}',
            'accountLinkAttribute' => 'accountId',
            'amountAttribute' => 'amount',
            'dataAttribute' => 'data',
        ],
    ],
    ...
];

Yii::$app->balanceManager->increase($accountId, 500); // add 500 credits to account

Yii::$app->balanceManager->decrease($accountId, 100); // remove 100 credits from account

$fromId = 1;
$toId = 2;
Yii::$app->balanceManager->transfer($fromId, $to, 100); // remove 100 credits from account 1 and add 100 credits to account 2

Yii::$app->balanceManager->revert($transactionId);

Yii::$app->balanceManager->transfer(
    [
        'userId' => Yii::$app->user->id,
        'type' => 'virtual-money',
    ],
    [
        'userId' => Yii::$app->user->id,
        'type' => 'purchases',
    ],
    500
);

Yii::$app->balanceManager->transfer($fromAccount, $toAccount, 100); // assume this is first time accounts are affected

echo Yii::$app->balanceManager->calculateBalance($fromAccount); // outputs: -100
echo Yii::$app->balanceManager->calculateBalance($toAccount); // outputs: 100

use yii\db\Query;

Yii::$app->balanceManager->transfer($fromAccountId, $toAccountId, 100); // assume this is first time accounts are affected

$currentBalance = (new Query())
    ->select(['balance'])
    ->from('BalanceAccount')
    ->andWhere(['id' => $fromAccountId])
    ->scalar();

echo $currentBalance; // outputs: -100

// simple increase :
Yii::$app->balanceManager->increase(
    [
        'userId' => Yii::$app->user->id,
        'type' => 'virtual-money',
    ],
    100,
    // extra data associated with transaction :
    [
        'paymentGateway' => 'PayPal',
        'paymentId' => 'abcxyzerft',
    ]
);

// transfer :
Yii::$app->balanceManager->transfer(
    [
        'userId' => Yii::$app->user->id,
        'type' => 'payment-gateway',
    ],
    [
        'userId' => Yii::$app->user->id,
        'type' => 'virtual-money',
    ],
    100,
    // extra data associated with transaction :
    [
        'paymentGateway' => 'PayPal',
        'paymentId' => 'abcxyzerft',
    ]
);

use yii2tech\balance\Manager;
use yii2tech\balance\ManagerDb;

$manager = new ManagerDb();

$manager->on(Manager::EVENT_BEFORE_CREATE_TRANSACTION, function ($event) {
    $event->transactionData['amount'] += 10; // you may adjust transaction data to be saved, including transaction amount
    $event->transactionData['comment'] = 'adjusted by event handler';
});

$manager->on(Manager::EVENT_AFTER_CREATE_TRANSACTION, function ($event) {
    echo 'new transaction: ' $event->transactionId; // you may get newly created transaction ID
});

$manager->increase(1, 100); // outputs: 'new transaction: 1'
echo Yii::$app->balanceManager->calculateBalance(1); // outputs: 110

php composer.phar