feat: add validation for product prices in transaction creation and editing

app/Http/Requests/Admin/Master/Product/ProductVariantRequest.php

@@ -31,7 +31,7 @@ public function rules(): array
             'retail_stock' => ['required', 'integer', 'min:0'],
             'photo_keys' => ['required', 'array', 'min:1', 'max:5'],
             'photo_keys.*' => ['required', 'string', 'max:500'],
-            'prices' => ['required', 'array', 'size:9'],
+            'prices' => ['required', 'array'],
             'prices.*.type' => ['required', Rule::in(PriceType::values())],
             'prices.*.price' => ['required', 'integer', 'min:0'],
         ];

app/Services/Admin/Manage/TransactionService.php

@@ -19,6 +19,7 @@
 use App\Services\S3PresignedService;
 use Illuminate\Contracts\Pagination\LengthAwarePaginator;
 use Illuminate\Support\Facades\DB;
+use Illuminate\Validation\ValidationException;
 
 class TransactionService
 {
@@ -165,6 +166,12 @@ public function store(array $data): Order
             $negoPrice = ! empty($data['nego_price']) ? (int) $data['nego_price'] : null;
             $totalAmount = $subtotal - $discount - ($negoPrice ?? 0);
 
+            if ($totalAmount <= 0) {
+                throw ValidationException::withMessages([
+                    'discount' => 'Total harga tidak boleh nol atau kurang.',
+                ]);
+            }
+
             $order = Order::create([
                 'created_by_id' => auth()->id(),
                 'customer_id' => $data['customer_id'] ?? null,
@@ -232,6 +239,12 @@ public function update(Order $order, array $data): Order
             $negoPrice = ! empty($data['nego_price']) ? (int) $data['nego_price'] : null;
             $totalAmount = $subtotal - $discount - ($negoPrice ?? 0);
 
+            if ($totalAmount <= 0) {
+                throw ValidationException::withMessages([
+                    'discount' => 'Total harga tidak boleh nol atau kurang.',
+                ]);
+            }
+
             foreach ($itemRows as &$row) {
                 $row['order_id'] = $order->id;
             }
@@ -303,9 +316,13 @@ private function buildItemRows(array $items, string $stockType, string $priceTyp
         $variantIds = collect($items)->pluck('product_variant_id')->unique()->all();
         $variants = ProductVariant::query()
             ->whereKey($variantIds)
-            ->with('productPrices:id,variant_id,type,price')
+            ->with(['productPrices:id,variant_id,type,price', 'product:id,name'])
             ->get();
 
+        $variantLabels = $variants->mapWithKeys(fn (ProductVariant $v) => [
+            $v->id => $v->product->name.' - '.$v->name,
+        ]);
+
         $prices = $variants->mapWithKeys(function (ProductVariant $variant) use ($resolvedPriceType) {
             $price = $variant->productPrices
                 ->first(fn ($p) => $p->type === $resolvedPriceType);
@@ -320,13 +337,28 @@ private function buildItemRows(array $items, string $stockType, string $priceTyp
             return [$variant->id => $price?->price ?? 0];
         });
 
-        return collect($items)->map(function ($item) use ($now, $prices, $capitalPrices, $stockType, &$subtotal, &$totalCost) {
+        return collect($items)->map(function ($item) use ($now, $prices, $capitalPrices, $variantLabels, $stockType, &$subtotal, &$totalCost) {
             $quantity = (int) $item['quantity'];
             $unitPrice = (int) ($prices[$item['product_variant_id']] ?? 0);
+            $label = $variantLabels[$item['product_variant_id']] ?? ' Produk';
+
+            if ($unitPrice <= 0) {
+                throw ValidationException::withMessages([
+                    'items' => 'Harga untuk "'.$label.'" belum diatur.',
+                ]);
+            }
+
             $itemSubtotal = $unitPrice * $quantity;
             $subtotal += $itemSubtotal;
 
             $capitalPrice = (int) ($capitalPrices[$item['product_variant_id']] ?? 0);
+
+            if ($capitalPrice <= 0) {
+                throw ValidationException::withMessages([
+                    'items' => 'Harga modal untuk "'.$label.'" belum diatur.',
+                ]);
+            }
+
             $totalCost += $capitalPrice * $quantity;
 
             return [

app/Services/Admin/Master/Product/ProductVariantService.php

@@ -50,7 +50,7 @@ public function getForRestock(): array
                         ->first(fn ($price) => $price->type === PriceType::REJECT);
                     $variant->reject_price = $rejectPrice?->price ?? 0;
                 });
-            });
+            })->toArray();
     }
 
     public function getForTransaction(): array
@@ -74,7 +74,7 @@ public function getForTransaction(): array
                     $prices = $variant->productPrices->mapWithKeys(fn ($p) => [$p->type->value => $p->price]);
                     $variant->prices = $prices;
                 });
-            });
+            })->toArray();
     }
 
     public function getForEdit(ProductVariant $variant): array

resources/js/pages/admin/manage/transaction/create.tsx

@@ -236,12 +236,16 @@ export default function TransactionCreate({
 
     const incrementQuantity = useCallback(
         (variantId: number, amount: number) => {
+            if (amount > 0 && getUnitPrice(variantId) <= 0) {
+                toast.error('Harga produk ini belum diatur.');
+                return;
+            }
             setQuantities((prev) => ({
                 ...prev,
                 [variantId]: Math.max(0, (prev[variantId] ?? 0) + amount),
             }));
         },
-        [],
+        [getUnitPrice],
     );
 
     const cartItems: CartLine[] = (() => {
@@ -437,10 +441,14 @@ export default function TransactionCreate({
                                                                             )}{' '}
                                                                             pcs
                                                                             ·{' '}
-                                                                            {formatCurrency(
+                                                                            {getUnitPrice(variant.id) <= 0 ? (
+                                                                                <span className="text-destructive">Harga belum diatur</span>
+                                                                            ) : (
+                                                                                formatCurrency(
                                                                                     stockType === 'reject'
                                                                                         ? (variant.prices?.reject ?? 0)
                                                                                         : (variant.prices?.[priceType] ?? 0),
+                                                                                )
                                                                             )}
                                                                         </p>
                                                                     </div>
@@ -490,6 +498,7 @@ export default function TransactionCreate({
                                                                         type="button"
                                                                         variant="outline"
                                                                         size="icon"
+                                                                        disabled={getUnitPrice(variant.id) <= 0}
                                                                         onClick={() =>
                                                                             incrementQuantity(
                                                                                 variant.id,
@@ -882,7 +891,11 @@ export default function TransactionCreate({
                                                 !selectedProductId ||
                                                 Object.values(quantities).every(
                                                     (q) => q <= 0,
-                                                )
+                                                ) ||
+                                                Object.entries(quantities).some(
+                                                    ([id, q]) => q > 0 && getUnitPrice(Number(id)) <= 0,
+                                                ) ||
+                                                total <= 0
                                             }
                                         >
                                             {processing

resources/js/pages/admin/manage/transaction/edit.tsx

@@ -206,12 +206,16 @@ export default function TransactionEdit({
 
     const incrementQuantity = useCallback(
         (variantId: number, amount: number) => {
+            if (amount > 0 && getUnitPrice(variantId) <= 0) {
+                toast.error('Harga produk ini belum diatur.');
+                return;
+            }
             setQuantities((prev) => ({
                 ...prev,
                 [variantId]: Math.max(0, (prev[variantId] ?? 0) + amount),
             }));
         },
-        [],
+        [getUnitPrice],
     );
 
     const cartItems: CartLine[] = (() => {
@@ -416,10 +420,14 @@ export default function TransactionEdit({
                                                                             )}{' '}
                                                                             pcs
                                                                             ·{' '}
-                                                                            {formatCurrency(
+                                                                            {getUnitPrice(variant.id) <= 0 ? (
+                                                                                <span className="text-destructive">Harga belum diatur</span>
+                                                                            ) : (
+                                                                                formatCurrency(
                                                                                     stockType === 'reject'
                                                                                         ? (variant.prices?.reject ?? 0)
                                                                                         : (variant.prices?.[priceType] ?? 0),
+                                                                                )
                                                                             )}
                                                                         </p>
                                                                     </div>
@@ -469,6 +477,7 @@ export default function TransactionEdit({
                                                                         type="button"
                                                                         variant="outline"
                                                                         size="icon"
+                                                                        disabled={getUnitPrice(variant.id) <= 0}
                                                                         onClick={() =>
                                                                             incrementQuantity(
                                                                                 variant.id,
@@ -860,7 +869,11 @@ export default function TransactionEdit({
                                                 uploading ||
                                                 Object.values(quantities).every(
                                                     (q) => q <= 0,
-                                                )
+                                                ) ||
+                                                Object.entries(quantities).some(
+                                                    ([id, q]) => q > 0 && getUnitPrice(Number(id)) <= 0,
+                                                ) ||
+                                                total <= 0
                                             }
                                         >
                                             {processing