Files
shopit-back/app/Domains/Notification/Services/IdempotentEmailDeliveryService.php

113 lines
3.6 KiB
PHP

<?php
namespace App\Domains\Notification\Services;
use App\Domains\Notification\Models\EmailDelivery;
use Closure;
use Illuminate\Database\Query\Expression;
use Illuminate\Support\Str;
use Throwable;
class IdempotentEmailDeliveryService
{
/**
* @param array<string, mixed> $context
* @param Closure(): void $send
*/
public function sendOnce(
string $key,
string $type,
?string $tenantCode,
array $context,
string $recipient,
Closure $send,
): bool {
$now = now();
EmailDelivery::query()->insertOrIgnore([
'idempotency_key' => $key,
'email_type' => $type,
'tenant_code' => $tenantCode,
'status' => EmailDelivery::STATUS_PENDING,
'attempts' => 0,
'context' => json_encode($context, JSON_THROW_ON_ERROR),
'recipient_fingerprint' => $this->recipientFingerprint($recipient),
'created_at' => $now,
'updated_at' => $now,
]);
$claimToken = (string) Str::uuid();
$leaseExpiresAt = $now->copy()->addSeconds(
max(1, (int) config('mail.delivery_lease_seconds', 300)),
);
$claimed = EmailDelivery::query()
->where('idempotency_key', $key)
->where(function ($query) use ($now): void {
$query->whereIn('status', [
EmailDelivery::STATUS_PENDING,
EmailDelivery::STATUS_FAILED,
])->orWhere(function ($query) use ($now): void {
$query->where('status', EmailDelivery::STATUS_PROCESSING)
->where('lease_expires_at', '<=', $now);
});
})
->update([
'status' => EmailDelivery::STATUS_PROCESSING,
'attempts' => new Expression('attempts + 1'),
'context' => json_encode($context, JSON_THROW_ON_ERROR),
'recipient_fingerprint' => $this->recipientFingerprint($recipient),
'claim_token' => $claimToken,
'claimed_at' => $now,
'lease_expires_at' => $leaseExpiresAt,
'failed_at' => null,
'last_error' => null,
'updated_at' => $now,
]) === 1;
if (! $claimed) {
return false;
}
try {
$send();
EmailDelivery::query()
->where('idempotency_key', $key)
->where('claim_token', $claimToken)
->update([
'status' => EmailDelivery::STATUS_SENT,
'claim_token' => null,
'lease_expires_at' => null,
'sent_at' => now(),
'updated_at' => now(),
]);
} catch (Throwable $exception) {
EmailDelivery::query()
->where('idempotency_key', $key)
->where('claim_token', $claimToken)
->update([
'status' => EmailDelivery::STATUS_FAILED,
'claim_token' => null,
'lease_expires_at' => null,
'failed_at' => now(),
'last_error' => Str::limit($exception::class, 2000, ''),
'updated_at' => now(),
]);
throw $exception;
}
return true;
}
private function recipientFingerprint(string $recipient): string
{
return hash_hmac(
'sha256',
mb_strtolower(trim($recipient)),
(string) config('app.key'),
);
}
}