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| 1 | <?php |
| 2 | |
| 3 | namespace App\Services\Payment\Contracts; |
| 4 | |
| 5 | use App\Models\Order; |
| 6 | use App\Models\Payment; |
| 7 | use App\Services\Payment\PaymentResult; |
| 8 | use Illuminate\Http\Request; |
| 9 | |
| 10 | /** |
| 11 | * One payment provider. Every driver is self-contained (its own config |
| 12 | * schema, its own charge/verify/refund logic) — see config/payment_gateways.php |
| 13 | * for the registry and App\Services\Payment\PaymentManager for the resolver. |
| 14 | * |
| 15 | * A driver never touches the Order/Payment models directly beyond what it's |
| 16 | * handed — PaymentManager is what persists the result, so every gateway is |
| 17 | * audited and displayed the same way regardless of provider. |
| 18 | */ |
| 19 | interface PaymentGatewayContract |
| 20 | { |
| 21 | /** Unique key — matches its entry in config/payment_gateways.php. */ |
| 22 | public function key(): string; |
| 23 | |
| 24 | public function label(): string; |
| 25 | |
| 26 | /** |
| 27 | * Field definitions for the Settings -> Payment Gateways card, same |
| 28 | * shape as a settings schema field: [key => ['type'=>'text|password|toggle', 'label'=>, 'required'=>bool]]. |
| 29 | * |
| 30 | * @return array<string, array<string, mixed>> |
| 31 | */ |
| 32 | public function configSchema(): array; |
| 33 | |
| 34 | /** |
| 35 | * Start a charge for this order. Returns a redirect URL for off-site |
| 36 | * flows (SSLCommerz/Stripe/PayPal-style), or a decided result with none |
| 37 | * for on-the-spot outcomes (COD). |
| 38 | * |
| 39 | * @param array<string, mixed> $config this driver's saved settings |
| 40 | */ |
| 41 | public function charge(Order $order, array $config): PaymentResult; |
| 42 | |
| 43 | /** |
| 44 | * Handle the shopper's return from an off-site flow, or a provider |
| 45 | * webhook/IPN call — same entry point for both; the driver tells them |
| 46 | * apart from the request shape. Called with no auth/session guarantees. |
| 47 | * |
| 48 | * @param array<string, mixed> $config |
| 49 | */ |
| 50 | public function verify(Request $request, array $config): PaymentResult; |
| 51 | |
| 52 | /** |
| 53 | * Refund (fully or partially) a previously paid transaction. Returns |
| 54 | * false (never throws) when the provider/driver doesn't support it, so |
| 55 | * the caller can show "not supported" instead of a crash. |
| 56 | * |
| 57 | * @param array<string, mixed> $config |
| 58 | */ |
| 59 | public function refund(Payment $payment, float $amount, array $config): bool; |
| 60 | |
| 61 | /** |
| 62 | * True once this driver has everything (real API calls, credential |
| 63 | * verification) needed to actually process a live payment. False for a |
| 64 | * driver that's scaffolded — its config schema/UI card exist so the |
| 65 | * registry is complete, but charge() refuses until it's finished. |
| 66 | */ |
| 67 | public function isImplemented(): bool; |
| 68 | } |