first commit

bundles/KupShop/KupShopBundle/DiscountFieldDefinition/ExplicitDiscountFieldDefinition.php

@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace KupShop\KupShopBundle\DiscountFieldDefinition;
+
+/**
+ * Wraps `DiscountFieldDefinitionInterface` and checks if real discount is set. When real discount is not set, no discount is displayed.
+ *
+ * @property AbstractDiscountFieldDefinition $fallback
+ */
+class ExplicitDiscountFieldDefinition extends AbstractDiscountFieldDefinition
+{
+    public function __construct(DiscountFieldDefinitionInterface $fallback)
+    {
+        $this->setFallback($fallback);
+    }
+
+    public function getField(): string
+    {
+        // discount must be explicitly defined on the product to be displayed
+        return "IF({$this->fallback->getColumn()}>0, {$this->fallback->getField()}, 0)";
+    }
+
+    public function getSpec(): callable
+    {
+        return $this->fallback->getSpec();
+    }
+}