From 388a29dfb935ac6454be105f0defd5cb7287ac38 Mon Sep 17 00:00:00 2001
From: Guy Sartorelli <guy.sartorelli@gmail.com>
Date: Wed, 26 Feb 2025 11:48:48 +1300
Subject: [PATCH] API Deprecate API being removed in CMS 6

---
 src/Forms/GridField/GridFieldFilterHeader.php | 12 +++++++++++-
 src/Forms/Schema/FormSchema.php               |  5 +++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/Forms/GridField/GridFieldFilterHeader.php b/src/Forms/GridField/GridFieldFilterHeader.php
index faab12cfd00..525b1dbeaf7 100755
--- a/src/Forms/GridField/GridFieldFilterHeader.php
+++ b/src/Forms/GridField/GridFieldFilterHeader.php
@@ -318,9 +318,14 @@ public function setSearchContext(SearchContext $context): static
      *
      * @param GridField $gridfield
      * @return string
+     * @deprecated 5.4.0 Will be replaced with SilverStripe\ORM\Search\SearchContextForm::getSchemaData()
      */
     public function getSearchFieldSchema(GridField $gridField)
     {
+        Deprecation::noticeWithNoReplacment(
+            '5.4.0',
+            'Will be replaced with SilverStripe\ORM\Search\SearchContextForm::getSchemaData()'
+        );
         $schemaUrl = Controller::join_links($gridField->Link(), 'schema/SearchForm');
         $inst = singleton($gridField->getModelClass());
         $context = $this->getSearchContext($gridField);
@@ -424,9 +429,14 @@ public function getSearchForm(GridField $gridField)
      *
      * @param GridField $gridfield
      * @return HTTPResponse
+     * @deprecated 5.4.0 Will be replaced with SilverStripe\Forms\FormRequestHandler::getSchema()
      */
     public function getSearchFormSchema(GridField $gridField)
     {
+        Deprecation::noticeWithNoReplacment(
+            '5.4.0',
+            'Will be replaced with SilverStripe\Forms\FormRequestHandler::getSchema()'
+        );
         $form = $this->getSearchForm($gridField);
 
         // If there are no filterable fields, return a 400 response
@@ -434,7 +444,7 @@ public function getSearchFormSchema(GridField $gridField)
             return new HTTPResponse(_t(__CLASS__ . '.SearchFormFaliure', 'No search form could be generated'), 400);
         }
 
-        $parts = $gridField->getRequest()->getHeader(LeftAndMain::SCHEMA_HEADER);
+        $parts = $gridField->getRequest()->getHeader(FormSchema::SCHEMA_HEADER);
         $schemaID = $gridField->getRequest()->getURL();
         $data = FormSchema::singleton()
             ->getMultipartSchema($parts, $schemaID, $form);
diff --git a/src/Forms/Schema/FormSchema.php b/src/Forms/Schema/FormSchema.php
index a8b712a14e7..57957c9f015 100644
--- a/src/Forms/Schema/FormSchema.php
+++ b/src/Forms/Schema/FormSchema.php
@@ -40,6 +40,11 @@ class FormSchema
      */
     const PART_AUTO = 'auto';
 
+    /**
+     * Form schema header identifier
+     */
+    public const SCHEMA_HEADER = 'X-Formschema-Request';
+
     /**
      * Returns a representation of the provided {@link Form} as structured data,
      * based on the request data.