feat: corrección al apartado de inventario, productos que no tiene numero de serie

app/Http/Requests/App/InventoryStoreRequest.php

@@ -25,6 +25,7 @@ public function rules(): array
             'barcode' => ['nullable', 'string', 'unique:inventories,barcode'],
             'category_id' => ['required', 'exists:categories,id'],
             'stock' => ['nullable', 'integer', 'min:0'],
+            'track_serials' => ['nullable', 'boolean'],
 
             // Campos de Price
             'cost' => ['required', 'numeric', 'min:0'],

app/Http/Requests/App/InventoryUpdateRequest.php

@@ -27,6 +27,7 @@ public function rules(): array
             'barcode' => ['nullable', 'string', 'unique:inventories,barcode,' . $inventoryId],
             'category_id' => ['nullable', 'exists:categories,id'],
             'stock' => ['nullable', 'integer', 'min:0'],
+            'track_serials' => ['nullable', 'boolean'],
 
             // Campos de Price
             'cost' => ['nullable', 'numeric', 'min:0'],

app/Models/Inventory.php

@@ -21,11 +21,13 @@ class Inventory extends Model
         'sku',
         'barcode',
         'stock',
+        'track_serials',
         'is_active',
     ];
 
     protected $casts = [
         'is_active' => 'boolean',
+        'track_serials' => 'boolean',
     ];
 
     protected $appends = ['has_serials'];
@@ -67,8 +69,10 @@ public function getAvailableStockAttribute(): int
      */
     public function syncStock(): void
     {
+        if($this->track_serials) {
             $this->update(['stock' => $this->getAvailableStockAttribute()]);
         }
+    }
 
     public function getHasSerialsAttribute(): bool
     {

app/Services/ProductService.php

@@ -15,6 +15,7 @@ public function createProduct(array $data)
                 'barcode' => $data['barcode'] ?? null,
                 'category_id' => $data['category_id'],
                 'stock' => $data['stock'] ?? 0,
+                'track_serials' => $data['track_serials'] ?? false,
             ]);
 
             $price = Price::create([
@@ -38,6 +39,7 @@ public function updateProduct(Inventory $inventory, array $data)
                 'barcode' => $data['barcode'] ?? null,
                 'category_id' => $data['category_id'] ?? null,
                 'stock' => $data['stock'] ?? null,
+                'track_serials' => $data['track_serials'] ?? null,
             ], fn($value) => $value !== null);
 
             if (!empty($inventoryData)) {

app/Services/ReturnService.php

@@ -93,6 +93,20 @@ public function createReturn(array $data): Returns
                     'subtotal' => $saleDetail->unit_price * $item['quantity_returned'],
                 ]);
 
+
+                $inventory = $saleDetail->inventory;
+
+                if ($inventory->track_serials) {
+                    // Validación de cantidad de seriales
+                    if (isset($item['serial_numbers']) && is_array($item['serial_numbers'])) {
+                        if (count($item['serial_numbers']) != $item['quantity_returned']) {
+                            throw new \Exception(
+                                "La cantidad de seriales proporcionados no coincide con la cantidad a devolver " .
+                                    "para {$saleDetail->product_name}."
+                            );
+                        }
+                    }
+
                     // Gestionar seriales
                     if (isset($item['serial_numbers']) && is_array($item['serial_numbers'])) {
                         // Seriales específicos proporcionados
@@ -135,6 +149,9 @@ public function createReturn(array $data): Returns
 
                     // Sincronizar el stock del inventario
                     $saleDetail->inventory->syncStock();
+                } else {
+                    $inventory->increment('stock', $item['quantity_returned']);
+                }
             }
 
             // 5. Retornar con relaciones cargadas
@@ -155,6 +172,7 @@ public function cancelReturn(Returns $return): Returns
         return DB::transaction(function () use ($return) {
             // Restaurar seriales a estado vendido
             foreach ($return->details as $detail) {
+                if(!$detail->inventory->track_serials) {
                 $serials = InventorySerial::where('return_detail_id', $detail->id)->get();
 
                 foreach ($serials as $serial) {
@@ -164,9 +182,12 @@ public function cancelReturn(Returns $return): Returns
                         'return_detail_id' => null,
                     ]);
                 }
-
                 // Sincronizar stock
                 $detail->inventory->syncStock();
+                } else {
+                    // Restaurar stock numérico
+                    $detail->inventory->increment('stock', $detail->quantity_returned);
+                }
             }
 
             // Eliminar la devolución (soft delete)
@@ -194,6 +215,8 @@ public function getReturnableItems(Sale $sale): array
             $maxReturnable = $detail->quantity - $alreadyReturned;
 
             if ($maxReturnable > 0) {
+                $availableSerials = [];
+                if ($detail->inventory->track_serials) {
                     // Obtener seriales vendidos que aún no han sido devueltos
                     $availableSerials = InventorySerial::where('sale_detail_id', $detail->id)
                         ->where('status', 'vendido')
@@ -202,7 +225,7 @@ public function getReturnableItems(Sale $sale): array
                             'serial_number' => $serial->serial_number,
                             'status' => $serial->status,
                         ]);
-
+                }
                 $returnableItems[] = [
                     'sale_detail_id' => $detail->id,
                     'inventory_id' => $detail->inventory_id,

app/Services/SaleService.php

@@ -55,7 +55,7 @@ public function createSale(array $data)
                 // Obtener el inventario
                 $inventory = Inventory::find($item['inventory_id']);
 
-                if ($inventory) {
+                if ($inventory->track_serials) {
                     // Si se proporcionaron números de serie específicos
                     if (isset($item['serial_numbers']) && is_array($item['serial_numbers'])) {
                         foreach ($item['serial_numbers'] as $serialNumber) {
@@ -88,6 +88,12 @@ public function createSale(array $data)
 
                     // Sincronizar el stock
                     $inventory->syncStock();
+                } else {
+                    if ($inventory->stock < $item['quantity']) {
+                        throw new \Exception("Stock insuficiente para {$item['product_name']}");
+                    }
+
+                    $inventory->decrement('stock', $item['quantity']);
                 }
             }
 
@@ -115,14 +121,17 @@ public function cancelSale(Sale $sale)
 
             // Restaurar seriales a disponible
             foreach ($sale->details as $detail) {
+                if ($detail->inventory->track_serials) {
+                    // Restaurar seriales
                     $serials = InventorySerial::where('sale_detail_id', $detail->id)->get();
-
                     foreach ($serials as $serial) {
                         $serial->markAsAvailable();
                     }
-
-                // Sincronizar stock
                     $detail->inventory->syncStock();
+                } else {
+                    // Restaurar stock numérico
+                    $detail->inventory->increment('stock', $detail->quantity);
+                }
             }
 
             // Marcar venta como cancelada

database/migrations/2026_01_26_143429_add_track_serials_to_inventory_table.php

@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('inventories', function (Blueprint $table) {
+            $table->boolean('track_serials')->default(false)->after('stock');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('inventories', function (Blueprint $table) {
+            $table->dropColumn('track_serials');
+        });
+    }
+};