Add dropdown filter. Add label rename variable products admin

prijs-per-postcode.php

@@ -26,8 +26,8 @@ class PrijsPerPostcode
     public function init()
     {
         $uri = $_SERVER["REQUEST_URI"];
-        add_filter("woocommerce_sale_flash", "__return_null");
         init_postcode_handlers($uri);
+        add_filter("woocommerce_sale_flash", "__return_null");
 
         //add_action("template_redirect", [$this, "redirect_if_missing_tag"]);
         add_action(
@@ -57,6 +57,18 @@ class PrijsPerPostcode
             $this,
             "controleer_postcode_op_woocommerce_paginas",
         ]);
+        add_filter(
+            "woocommerce_variation_is_visible",
+            [$this, "filter_variation_by_local_price"],
+            10,
+            4,
+        );
+        add_filter(
+            "gettext",
+            [$this, "change_variation_regular_price_label"],
+            99,
+            3,
+        );
     }
 
     public function add_local_price_field($loop, $variation_data, $variation)
@@ -155,6 +167,53 @@ class PrijsPerPostcode
         }
         return $price_html;
     }
+
+    function filter_variation_by_local_price(
+        $visible,
+        $variation_id,
+        $parent_id,
+        $variation,
+    ) {
+        // Ensure $variation is a valid object
+        if (!$variation instanceof WC_Product_Variation) {
+            $variation = wc_get_product($variation_id);
+        }
+
+        if (!$variation) {
+            return false;
+        }
+
+        $is_local = isset($_SESSION["postcode_is_local"])
+            ? $_SESSION["postcode_is_local"]
+            : false;
+        $price = $is_local
+            ? $variation->get_meta("_local_price", true)
+            : $variation->get_regular_price();
+
+        if (empty($price) || floatval($price) == 0) {
+            return false;
+        }
+
+        return $visible;
+    }
+
+    public function change_variation_regular_price_label(
+        $translated_text,
+        $text,
+        $domain,
+    ) {
+        if (
+            "woocommerce" === $domain &&
+            is_admin() &&
+            isset($_REQUEST["action"]) &&
+            "woocommerce_load_variations" === $_REQUEST["action"]
+        ) {
+            if ($translated_text === "Reguliere prijs (%s)") {
+                $translated_text = "Prijs overige regios (%s)";
+            }
+        }
+        return $translated_text;
+    }
 }
 
 new PrijsPerPostcode();