feat: agregar cálculo del valor total del inventario y filtros adicionales en el controlador de inventario

app/Http/Controllers/App/InventoryController.php

@@ -8,6 +8,7 @@
 use App\Services\ProductService;
 use App\Imports\ProductsImport;
 use Illuminate\Http\Request;
+use Illuminate\Support\Facades\DB;
 use Notsoweb\ApiResponse\Enums\ApiResponse;
 use Maatwebsite\Excel\Facades\Excel;
 use Maatwebsite\Excel\Validators\ValidationException;
@@ -27,6 +28,7 @@ public function index(Request $request)
                 ->where('is_active', true);
 
 
+        // Filtro por búsqueda de texto (nombre, SKU, código de barras)
         if ($request->has('q') && $request->q) {
             $products->where(function($query) use ($request) {
                 $query->where('name', 'like', "%{$request->q}%")
@@ -35,11 +37,22 @@ public function index(Request $request)
             });
         }
 
+        // Filtro por categoría (independiente de la búsqueda de texto)
+        if ($request->has('category_id') && $request->category_id) {
+            $products->where('category_id', $request->category_id);
+        }
+
+        // Calcular el valor total del inventario
+        $totalInventoryValue = Inventory::join('prices', 'inventories.id', '=', 'prices.inventory_id')
+            ->where('inventories.is_active', true)
+            ->sum(DB::raw('inventories.stock * prices.cost'));
+
         $products = $products->orderBy('name')
                 ->paginate(config('app.pagination'));
 
         return ApiResponse::OK->response([
-            'products' => $products
+            'products' => $products,
+            'total_inventory_value' => round($totalInventoryValue, 2)
         ]);
     }
 

app/Http/Controllers/App/ReportController.php

@@ -61,11 +61,9 @@ public function topSellingProduct(Request $request)
     public function productsWithoutMovement(Request $request)
     {
         $request->validate([
-            'include_stock_value' => ['nullable', 'boolean'],
             'from_date' => ['required', 'date_format:Y-m-d'],
             'to_date' => ['required', 'date_format:Y-m-d', 'after_or_equal:from_date'],
         ], [
-            'include_stock_value.boolean' => 'El parámetro de valor de stock debe ser verdadero o falso.',
             'from_date.required' => 'La fecha inicial es obligatoria.',
             'from_date.date_format' => 'La fecha inicial debe tener el formato Y-m-d (ejemplo: 2025-01-01).',
             'to_date.required' => 'La fecha final es obligatoria.',
@@ -75,14 +73,12 @@ public function productsWithoutMovement(Request $request)
 
         try {
             $products = $this->reportService->getProductsWithoutMovement(
-                includeStockValue: (bool)($request->input('include_stock_value', true)),
                 fromDate: $request->input('from_date'),
                 toDate: $request->input('to_date')
             );
 
             return ApiResponse::OK->response([
                 'products' => $products,
-                'total_products' => count($products),
                 'message' => 'Reporte de productos sin movimiento generado exitosamente.'
             ]);
         } catch (\Exception $e) {

app/Models/Inventory.php

@@ -30,7 +30,7 @@ class Inventory extends Model
         'track_serials' => 'boolean',
     ];
 
-    protected $appends = ['has_serials'];
+    protected $appends = ['has_serials', 'inventory_value'];
 
     public function category()
     {
@@ -78,4 +78,12 @@ public function getHasSerialsAttribute(): bool
     {
         return isset($this->attributes['serials_count']) && $this->attributes['serials_count'] > 0;
     }
+
+    /**
+     * Calcular el valor total del inventario para este producto (stock * costo)
+     */
+    public function getInventoryValueAttribute(): float
+    {
+        return $this->stock * ($this->price?->cost ?? 0);
+    }
 }

app/Services/ReportService.php

@@ -51,12 +51,8 @@ public function getTopSellingProduct(?string $fromDate = null, ?string $toDate =
 
     /**
      * Obtener productos sin movimiento
-     *
-     * @param int $daysThreshold Días mínimos sin movimiento (default: 30)
-     * @param bool $includeStockValue Incluir valor del inventario (default: true)
-     * @return array Lista de productos sin ventas
      */
-    public function getProductsWithoutMovement(bool $includeStockValue = true, ?string $fromDate = null, ?string $toDate = null): array
+    public function getProductsWithoutMovement(?string $fromDate = null, ?string $toDate = null)
     {
         // Obtener IDs de productos que SÍ tienen ventas
         $inventoriesWithSales = SaleDetail::query()
@@ -68,33 +64,13 @@ public function getProductsWithoutMovement(bool $includeStockValue = true, ?stri
             ->pluck('sale_details.inventory_id')
             ->toArray();
 
-        // Construir query para productos SIN ventas
+        // Construir query para productos SIN ventas usando relaciones de Eloquent
         $query = Inventory::query()
-            ->selectRaw('
-                inventories.id,
-                inventories.name,
-                inventories.sku,
-                inventories.stock,
-                categories.name as category_name,
-                inventories.created_at as date_added,
-                prices.retail_price
-            ');
+            ->with(['category', 'price'])
+            ->where('is_active', true)
+            ->whereNotIn('id', $inventoriesWithSales)
+            ->orderBy('created_at');
 
-        // Agregar valor del inventario si se solicita
-        if ($includeStockValue) {
-            $query->addSelect(
-                DB::raw('(inventories.stock * COALESCE(prices.cost, 0)) as inventory_value')
-            );
-        }
-
-        return $query
-            ->leftJoin('categories', 'inventories.category_id', '=', 'categories.id')
-            ->leftJoin('prices', 'inventories.id', '=', 'prices.inventory_id')
-            ->where('inventories.is_active', true)
-            ->whereNull('inventories.deleted_at')
-            ->whereNotIn('inventories.id', $inventoriesWithSales)
-            ->orderBy('inventories.created_at')
-            ->get()
-            ->toArray();
+        return $query->paginate(config('app.pagination', 10));
     }
 }