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WalletCheck.php
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WalletCheck.php
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<?php
namespace App\Jobs;
use App\Http\Controllers\API\V4\PaymentsController;
use App\Wallet;
use Carbon\Carbon;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
class WalletCheck implements ShouldQueue
{
use Dispatchable;
use InteractsWithQueue;
use Queueable;
use SerializesModels;
public const THRESHOLD_DEGRADE = 'degrade';
public const THRESHOLD_DEGRADE_REMINDER = 'degrade-reminder';
public const THRESHOLD_BEFORE_DEGRADE = 'before-degrade';
public const THRESHOLD_REMINDER = 'reminder';
public const THRESHOLD_BEFORE_REMINDER = 'before-reminder';
public const THRESHOLD_INITIAL = 'initial';
/** @var int The number of seconds to wait before retrying the job. */
public $backoff = 10;
/** @var int How many times retry the job if it fails. */
public $tries = 5;
/** @var bool Delete the job if the wallet no longer exist. */
public $deleteWhenMissingModels = true;
/** @var \App\Wallet A wallet object */
protected $wallet;
/**
* Create a new job instance.
*
* @param \App\Wallet $wallet The wallet that has been charged.
*
* @return void
*/
public function __construct(Wallet $wallet)
{
$this->wallet = $wallet;
}
/**
* Execute the job.
*
* @return ?string Executed action (THRESHOLD_*)
*/
public function handle()
{
if ($this->wallet->balance >= 0) {
return null;
}
$now = Carbon::now();
$steps = [
// Send the initial reminder
self::THRESHOLD_INITIAL => 'initialReminderForDegrade',
// Try to top-up the wallet before the second reminder
self::THRESHOLD_BEFORE_REMINDER => 'topUpWallet',
// Send the second reminder
self::THRESHOLD_REMINDER => 'secondReminderForDegrade',
// Try to top-up the wallet before the account degradation
self::THRESHOLD_BEFORE_DEGRADE => 'topUpWallet',
// Degrade the account
self::THRESHOLD_DEGRADE => 'degradeAccount',
];
if ($this->wallet->owner && $this->wallet->owner->isDegraded()) {
$this->degradedReminder();
return self::THRESHOLD_DEGRADE_REMINDER;
}
foreach (array_reverse($steps, true) as $type => $method) {
if (self::threshold($this->wallet, $type) < $now) {
$this->{$method}();
return $type;
}
}
return null;
}
/**
* Send the initial reminder (for the process of degrading a account)
*/
protected function initialReminderForDegrade()
{
if ($this->wallet->getSetting('balance_warning_initial')) {
return;
}
if (!$this->wallet->owner || $this->wallet->owner->isDegraded()) {
return;
}
if (!$this->wallet->owner->isSuspended()) {
$this->sendMail(\App\Mail\NegativeBalance::class, false);
}
$now = \Carbon\Carbon::now()->toDateTimeString();
$this->wallet->setSetting('balance_warning_initial', $now);
}
/**
* Send the second reminder (for the process of degrading a account)
*/
protected function secondReminderForDegrade()
{
if ($this->wallet->getSetting('balance_warning_reminder')) {
return;
}
if (!$this->wallet->owner || $this->wallet->owner->isDegraded()) {
return;
}
if (!$this->wallet->owner->isSuspended()) {
$this->sendMail(\App\Mail\NegativeBalanceReminderDegrade::class, true);
}
$now = \Carbon\Carbon::now()->toDateTimeString();
$this->wallet->setSetting('balance_warning_reminder', $now);
}
/**
* Degrade the account
*/
protected function degradeAccount()
{
// The account may be already deleted, or degraded
if (!$this->wallet->owner || $this->wallet->owner->isDegraded()) {
return;
}
$email = $this->wallet->owner->email;
// The dirty work will be done by UserObserver
$this->wallet->owner->degrade();
\Log::info(
sprintf(
"[WalletCheck] Account degraded %s (%s)",
$this->wallet->id,
$email
)
);
if (!$this->wallet->owner->isSuspended()) {
$this->sendMail(\App\Mail\NegativeBalanceDegraded::class, true);
}
}
/**
* Send the periodic reminder to the degraded account owners
*/
protected function degradedReminder()
{
// Sanity check
if (!$this->wallet->owner || !$this->wallet->owner->isDegraded()) {
return;
}
if ($this->wallet->owner->isSuspended()) {
return;
}
$now = \Carbon\Carbon::now();
$last = $this->wallet->getSetting('degraded_last_reminder');
if ($last) {
$last = new Carbon($last);
$period = 14;
if ($last->addDays($period) > $now) {
return;
}
$this->sendMail(\App\Mail\DegradedAccountReminder::class, false);
}
$this->wallet->setSetting('degraded_last_reminder', $now->toDateTimeString());
}
/**
* Send the email
*
* @param string $class Mailable class name
* @param bool $with_external Use users's external email
*/
protected function sendMail($class, $with_external = false): void
{
// TODO: Send the email to all wallet controllers?
$mail = new $class($this->wallet, $this->wallet->owner);
list($to, $cc) = \App\Mail\Helper::userEmails($this->wallet->owner, $with_external);
if (!empty($to) || !empty($cc)) {
$params = [
'to' => $to,
'cc' => $cc,
'add' => " for {$this->wallet->id}",
];
\App\Mail\Helper::sendMail($mail, $this->wallet->owner->tenant_id, $params);
}
}
/**
* Get the date-time for an action threshold. Calculated using
* the date when a wallet balance turned negative.
*
* @param \App\Wallet $wallet A wallet
* @param string $type Action type (one of self::THRESHOLD_*)
*
* @return \Carbon\Carbon The threshold date-time object
*/
public static function threshold(Wallet $wallet, string $type): ?Carbon
{
$negative_since = $wallet->getSetting('balance_negative_since');
// Migration scenario: balance<0, but no balance_negative_since set
if (!$negative_since) {
// 2h back from now, so first run can sent the initial notification
$negative_since = Carbon::now()->subHours(2);
$wallet->setSetting('balance_negative_since', $negative_since->toDateTimeString());
} else {
$negative_since = new Carbon($negative_since);
}
// Initial notification
// Give it an hour so the async recurring payment has a chance to be finished
if ($type == self::THRESHOLD_INITIAL) {
return $negative_since->addHours(1);
}
$thresholds = [
// A day before the second reminder
self::THRESHOLD_BEFORE_REMINDER => 7 - 1,
// Second notification
self::THRESHOLD_REMINDER => 7,
// Last chance to top-up the wallet
self::THRESHOLD_BEFORE_DEGRADE => 13,
// Account degradation
self::THRESHOLD_DEGRADE => 14,
];
if (!empty($thresholds[$type])) {
return $negative_since->addDays($thresholds[$type]);
}
return null;
}
/**
* Try to automatically top-up the wallet
*/
protected function topUpWallet(): void
{
PaymentsController::topUpWallet($this->wallet);
}
}

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WalletCheck.php (7 KB)

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