Add minimum ROAS functionality to product management; implement saving and display in product listing

autoload/controls/class.Products.php

@@ -58,7 +58,8 @@ class Products
         \S::number_display( $row['cpc'] ),
         round( $row['conversions'], 2 ),
         \S::number_display( $row['conversions_value'] ),
-        $row['roas'],
+        $row['roas'] <= $row['min_roas'] ? '<span class="text-danger">' . $row['roas'] . '</span>' : $row['roas'],
+        '<input type="text" class="form-control min_roas" product_id="' . $row['product_id'] . '" value="' . $row['min_roas'] . '" style="width: 100px;">',
         '',
         '<input type="text" class="form-control custom_label_4" product_id="' . $row['product_id'] . '" value="' . $custom_label_4 . '">'
       ];
@@ -68,6 +69,20 @@ class Products
     exit;
   }
 
+  static public function save_min_roas()
+  {
+    $product_id = \S::get( 'product_id' );
+    $min_roas = \S::get( 'min_roas' );
+
+    if ( \factory\Products::save_min_roas( $product_id, $min_roas ) )
+    {
+      echo json_encode( [ 'status' => 'ok' ] );
+    }
+    else
+      echo json_encode( [ 'status' => 'error' ] );
+    exit;
+  }
+
   static public function save_custom_label_4()
   {
     $product_id = \S::get( 'product_id' );