feat: add some fields to product

app/Http/Controllers/ProductController.php

@@ -21,7 +21,7 @@ public function index(Request $request, $packageName)
                 'message' => 'package name not found'
             ], 404);
         }
-        $products = $packageName->products;
+        $products = $packageName->products()->orderBy('sort_order')->orderBy('id')->get();
         return $products;
     }
 
@@ -31,8 +31,14 @@ public function store(Request $request, $packageName)
             'title' => 'string|required',
             'price' => 'integer|required',
             'type' => ['integer', Rule::in(Product::TYPES)],
-            'descriptions' => 'array|nullable',    
-            'descriptions.*' => 'string|max:1000', 
+            'descriptions' => 'array|nullable',
+            'descriptions.*' => 'string|max:1000',
+            // Display-only text fields (no calculation)
+            'discounted_price' => 'string|nullable',
+            'daily_price' => 'string|nullable',
+            'discount' => 'string|nullable',
+            'is_best_seller' => 'boolean|nullable',
+            'sort_order' => 'integer|nullable',
         ]);
 
         if (!$packageName = PackageName::with('products')->where('name', $packageName)->first()) {
@@ -42,6 +48,11 @@ public function store(Request $request, $packageName)
         }
 
         $product = $packageName->products()->create($data);
+
+        if (!empty($data['is_best_seller'])) {
+            $this->keepSingleBestSeller($packageName, $product->id);
+        }
+
         return $product;
     }
 
@@ -51,8 +62,14 @@ public function update(Request $request, $packageName, $productId)
             'title' => 'string|required',
             'price' => 'integer|required',
             'type' => ['integer', Rule::in(Product::TYPES)],
-            'descriptions' => 'array|nullable',    
-            'descriptions.*' => 'string|max:1000'
+            'descriptions' => 'array|nullable',
+            'descriptions.*' => 'string|max:1000',
+            // Display-only text fields (no calculation)
+            'discounted_price' => 'string|nullable',
+            'daily_price' => 'string|nullable',
+            'discount' => 'string|nullable',
+            'is_best_seller' => 'boolean|nullable',
+            'sort_order' => 'integer|nullable',
         ]);
 
         if (!$packageName = PackageName::with('products')->where('name', $packageName)->first()) {
@@ -68,9 +85,25 @@ public function update(Request $request, $packageName, $productId)
         }
 
         $product->update($data);
+
+        if (!empty($data['is_best_seller'])) {
+            $this->keepSingleBestSeller($packageName, $product->id);
+        }
+
         return $product;
     }
 
+    /**
+     * Make sure only one product within a package is flagged as best-seller.
+     */
+    private function keepSingleBestSeller(PackageName $packageName, $keepProductId): void
+    {
+        $packageName->products()
+            ->where('id', '!=', $keepProductId)
+            ->where('is_best_seller', true)
+            ->update(['is_best_seller' => false]);
+    }
+
     public function delete($packageName, $productId)
     {
         if (!$packageName = PackageName::with('products')->where('name', $packageName)->first()) {

app/Models/Product.php

@@ -27,6 +27,8 @@ public function users()
     }
     protected $casts = [
     'descriptions' => 'array',
+    'is_best_seller' => 'boolean',
+    'sort_order' => 'integer',
     ];