Add WooCommerceSettings endpoint

[MAILPOET-2278]

lib/API/JSON/v1/WoocommerceSettings.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace MailPoet\API\JSON\v1;
+
+use MailPoet\API\JSON\Endpoint as APIEndpoint;
+use MailPoet\Config\AccessControl;
+use MailPoet\WP\Functions as WPFunctions;
+
+class WoocommerceSettings extends APIEndpoint {
+  public $permissions = [
+    'global' => AccessControl::PERMISSION_MANAGE_EMAILS,
+  ];
+
+  private $allowed_settings = [
+    'woocommerce_email_base_color',
+  ];
+
+  /** @var WPFunctions */
+  private $wp;
+
+  function __construct(WPFunctions $wp) {
+    $this->wp = $wp;
+  }
+
+  function set($data = []) {
+    foreach ($data as $option => $value) {
+      if (in_array($option, $this->allowed_settings)) {
+        $this->wp->updateOption($option, $value);
+      }
+    }
+    return $this->successResponse([]);
+  }
+}