laravel-wallet - Easy work with virtual wallet.

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[Документация] [Как начать]

• Vendor: bavix
• Package: laravel-wallet
• Version:
• PHP Version: 7.3+ (if you are using version 5.x then 7.2+)
• Laravel Version: 5.5, 5.6, 5.7, 5.8, 6.x, 7.x, 8.x
• Composer: composer require bavix/laravel-wallet

Upgrade Guide

Starting with version 5.x, support for Laravel 5 has been discontinued. Update laravel or use version 4.x.

To perform the migration, you will be helped by the instruction.

Extensions

Extension	Description
Swap	Addition to the laravel-wallet library for quick setting of exchange rates
Vacuum	Addition to the laravel-wallet library for quick fix race condition

Usage

Add the HasWallet trait and Wallet interface to model.

use Bavix\Wallet\Traits\HasWallet;
use Bavix\Wallet\Interfaces\Wallet;

class User extends Model implements Wallet
{
    use HasWallet;
}

Now we make transactions.

$user = User::first();
$user->balance; // int(0)

$user->deposit(10);
$user->balance; // int(10)

$user->withdraw(1);
$user->balance; // int(9)

$user->forceWithdraw(200, ['description' => 'payment of taxes']);
$user->balance; // int(-191)

Purchases

Add the CanPay trait and Customer interface to your User model.

use Bavix\Wallet\Traits\CanPay;
use Bavix\Wallet\Interfaces\Customer;

class User extends Model implements Customer
{
    use CanPay;
}

Add the HasWallet trait and Product interface to Item model.

use Bavix\Wallet\Traits\HasWallet;
use Bavix\Wallet\Interfaces\Product;
use Bavix\Wallet\Interfaces\Customer;

class Item extends Model implements Product
{
    use HasWallet;

    public function canBuy(Customer $customer, int $quantity = 1, bool $force = null): bool
    {
        /**
         * If the service can be purchased once, then
         *  return !$customer->paid($this);
         */
        return true; 
    }
    
    public function getAmountProduct(Customer $customer)
    {
        return 100;
    }

    public function getMetaProduct(): ?array
    {
        return [
            'title' => $this->title, 
            'description' => 'Purchase of Product #' . $this->id,
        ];
    }
    
    public function getUniqueId(): string
    {
        return (string)$this->getKey();
    }
}

Proceed to purchase.

$user = User::first();
$user->balance; // int(100)

$item = Item::first();
$user->pay($item); // If you do not have enough money, throw an exception
var_dump($user->balance); // int(0)

if ($user->safePay($item)) {
  // try to buy again )
}

var_dump((bool)$user->paid($item)); // bool(true)

var_dump($user->refund($item)); // bool(true)
var_dump((bool)$user->paid($item)); // bool(false)

Eager Loading

User::with('wallet');

How to work with fractional numbers?

Add the HasWalletFloat trait and WalletFloat interface to model.

use Bavix\Wallet\Traits\HasWalletFloat;
use Bavix\Wallet\Interfaces\WalletFloat;
use Bavix\Wallet\Interfaces\Wallet;

class User extends Model implements Wallet, WalletFloat
{
    use HasWalletFloat;
}

Now we make transactions.

$user = User::first();
$user->balance; // int(100)
$user->balanceFloat; // float(1.00)

$user->depositFloat(1.37);
$user->balance; // int(237)
$user->balanceFloat; // float(2.37)

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