Feat: Creating PaymentMethods, Setting Fees, Availabilities

src/Payment/Drivers/CashOnDeliveryPaymentDriver.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace Modules\Core\Payment\Drivers;
+
+use Lunar\Exceptions\Carts\CartException;
+use Lunar\Exceptions\DisallowMultipleCartOrdersException;
+use Lunar\Exceptions\FingerprintMismatchException;
+use Lunar\Models\Cart;
+use Lunar\Models\Order;
+use Modules\Core\Checkout\Contracts\PaymentDriver;
+use Modules\Core\Checkout\Services\CheckoutService;
+
+/**
+ * Cash-on-delivery has no gateway to confirm against — the shopper pays the
+ * courier on delivery, not at checkout — so confirm() has nothing to wait
+ * on and places the order immediately, same as Lunar's own OfflinePayment
+ * would, but through CheckoutService::placeOrder() so it goes through the
+ * same fingerprint check every other driver does. $data is unused: nothing
+ * about this confirmation depends on gateway-specific payload.
+ *
+ * Sets the order status to config('lunar.payments.types.cash-on-delivery.authorized')
+ * afterward — placeOrder() itself leaves the order at Lunar's configured
+ * draft_status, same as every driver is responsible for moving it on from.
+ */
+class CashOnDeliveryPaymentDriver implements PaymentDriver
+{
+    public function __construct(
+        private readonly CheckoutService $checkout,
+    ) {}
+
+    /**
+     * @throws FingerprintMismatchException
+     * @throws CartException
+     * @throws DisallowMultipleCartOrdersException
+     */
+    public function confirm(Cart $cart, string $fingerprint, array $data): Order
+    {
+        $order = $this->checkout->placeOrder($fingerprint);
+
+        $order->update([
+            'status' => config('lunar.payments.types.cash-on-delivery.authorized', $order->status),
+        ]);
+
+        return $order->refresh();
+    }
+}

src/Payment/Filament/Resources/PaymentMethodResource.php

@@ -0,0 +1,104 @@
+<?php
+
+namespace Modules\Core\Payment\Filament\Resources;
+
+use Filament\Actions\Action;
+use Filament\Forms\Components\TextInput;
+use Filament\Resources\Resource;
+use Filament\Tables\Columns\TextColumn;
+use Filament\Tables\Columns\ToggleColumn;
+use Filament\Tables\Table;
+use Modules\Core\Payment\Filament\Resources\PaymentMethodResource\Pages\ListPaymentMethods;
+use Modules\Core\Payment\Models\PaymentMethod;
+
+/**
+ * One row per payment type key (config('lunar.payments.types')), seeded by
+ * InstallLunarCommand — never created/deleted here, only edited. `enabled`
+ * toggles inline; `data.fee` (currently the only type-specific setting, for
+ * cash-on-delivery's flat surcharge — see ApplyCashOnDeliveryFee) is edited
+ * via a modal action rather than a dedicated form field, since not every
+ * type has the same data keys.
+ */
+class PaymentMethodResource extends Resource
+{
+    protected static ?string $model = PaymentMethod::class;
+
+    protected static string|\BackedEnum|null $navigationIcon = 'heroicon-o-credit-card';
+
+    protected static string|\UnitEnum|null $navigationGroup = 'Settings';
+
+    protected static ?string $modelLabel = 'Payment Method';
+
+    protected static ?string $pluralModelLabel = 'Payment Methods';
+
+    public static function table(Table $table): Table
+    {
+        return $table
+            ->columns([
+                TextColumn::make('type')
+                    ->label('Type'),
+                ToggleColumn::make('enabled')
+                    ->label('Enabled'),
+                TextColumn::make('data.fee')
+                    ->label('Fee')
+                    ->formatStateUsing(fn (?int $state) => $state
+                        ? number_format($state / 100, 2)
+                        : '—'),
+                TextColumn::make('updated_at')
+                    ->label('Last updated')
+                    ->dateTime(),
+            ])
+            ->recordActions([
+                static::editFeeAction(),
+            ])
+            ->defaultSort('type');
+    }
+
+    /**
+     * $data['fee'] is stored as an integer minor unit (cents), matching
+     * Lunar's own Price convention everywhere else in this codebase — the
+     * form collects/displays a decimal and converts at the boundary.
+     */
+    private static function editFeeAction(): Action
+    {
+        return Action::make('edit_fee')
+            ->label('Edit fee')
+            ->icon('heroicon-o-pencil')
+            ->schema([
+                TextInput::make('fee')
+                    ->label('Fee')
+                    ->numeric()
+                    ->minValue(0)
+                    ->step(0.01)
+                    ->helperText('Flat surcharge added when this payment method is selected.'),
+            ])
+            ->fillForm(fn (PaymentMethod $record) => [
+                'fee' => filled($record->data['fee'] ?? null) ? $record->data['fee'] / 100 : null,
+            ])
+            ->action(function (PaymentMethod $record, array $data) {
+                $record->update([
+                    'data' => [
+                        ...$record->data->toArray(),
+                        'fee' => filled($data['fee']) ? (int) round($data['fee'] * 100) : null,
+                    ],
+                ]);
+            });
+    }
+
+    public static function getPages(): array
+    {
+        return [
+            'index' => ListPaymentMethods::route('/'),
+        ];
+    }
+
+    public static function canCreate(): bool
+    {
+        return false;
+    }
+
+    public static function canDelete($record = null): bool
+    {
+        return false;
+    }
+}

src/Payment/Filament/Resources/PaymentMethodResource/Pages/ListPaymentMethods.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace Modules\Core\Payment\Filament\Resources\PaymentMethodResource\Pages;
+
+use Filament\Resources\Pages\ListRecords;
+use Modules\Core\Payment\Filament\Resources\PaymentMethodResource;
+
+class ListPaymentMethods extends ListRecords
+{
+    protected static string $resource = PaymentMethodResource::class;
+}

src/Payment/Models/PaymentMethod.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace Modules\Core\Payment\Models;
+
+use Illuminate\Database\Eloquent\Casts\AsArrayObject;
+use Illuminate\Database\Eloquent\Model;
+
+/**
+ * Admin-editable settings for one payment type key (matching a key in
+ * config('lunar.payments.types')) — enabled/disabled, and whatever type-
+ * specific data it needs (starts with 'fee' for cash-on-delivery's flat
+ * surcharge). Mirrors Lunar's own Discount model: a single jsonb 'data'
+ * column holding keyed settings, rather than a fixed column per setting or
+ * a separate conditions table — new settings are a code change (a new key
+ * read from data), not a migration.
+ *
+ * Seeded once per type by InstallLunarCommand (skip-if-exists, same
+ * idempotent convention as seedStorefrontLabels()) — never auto-created on
+ * read, so a read path stays a pure read.
+ */
+class PaymentMethod extends Model
+{
+    protected $guarded = [];
+
+    protected $casts = [
+        'enabled' => 'boolean',
+        'data' => AsArrayObject::class,
+    ];
+}

src/Payment/Pipelines/Cart/ApplyCashOnDeliveryFee.php

@@ -5,6 +5,7 @@ namespace Modules\Core\Payment\Pipelines\Cart;
 use Closure;
 use Lunar\DataTypes\Price;
 use Lunar\Models\Contracts\Cart as CartContract;
+use Modules\Core\Payment\Models\PaymentMethod;
 
 final class ApplyCashOnDeliveryFee
 {
@@ -16,7 +17,7 @@ final class ApplyCashOnDeliveryFee
     public function handle(CartContract $cart, Closure $next): mixed
     {
         if (($cart->meta['payment_method'] ?? null) === 'cash-on-delivery') {
-            $fee = (int) config('lunar.payments.types.cash-on-delivery.fee', 0);
+            $fee = (int) (PaymentMethod::where('type', 'cash-on-delivery')->value('data->fee') ?? 0);
 
             $cart->shippingTotal = new Price(
                 ($cart->shippingTotal?->value ?? 0) + $fee,