Implements business logic to search for products

app/Http/Controllers/ProductsController.php

@@ -11,14 +11,24 @@ class ProductsController extends Controller {
     public function showProducts(Request $request) {
         $user = $request->user();
 
-        // TODO: Se debería de implementar un páginado en algún momento.
-        $products = Product::all();
+        $products = $this->getProducts($request);
 
         return view('products', [
             'isAdmin' =>  isset($user) ? $user->is_admin() : false,
             'products' => $products,
             'email_img' =>  isset($user) ? $user->email_gravatar_url(30) : '',
             'email' => isset($user) ? $user->email : '',
+            'search' => $request->input('search'),
         ]);
     }
+
+    private function getProducts(Request $request) {
+        $needle = $request->input('search');
+
+        if (!isset($needle) || !$needle) {
+            return Product::all();
+        }
+
+        return Product::searchBy(trim($needle));
+    }
 }

app/Product.php

@@ -3,6 +3,7 @@
 namespace App;
 
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Support\Facades\DB;
 
 class Product extends Model
 {
@@ -17,4 +18,19 @@ class Product extends Model
      * @var string
      */
     public $keyType = 'string';
+
+    public static function searchBy(String $needle) {
+        return DB::table("products")
+            ->join("brands", "products.brand_id", "=", "brands.id")
+            ->join("product_types", "products.product_type_id", "=", "product_types.id")
+            ->select(
+                "products.*",
+                "brands.name as brand_name",
+                "product_types.name as product_type_name"
+            )
+            ->where("products.name", "like", "%$needle%")
+            ->orWhere("brands.name", "like", "%$needle%")
+            ->orWhere("product_types.name", "like", "%$needle%")
+            ->get();
+    }
 }