From e423668d93a222d34f68618ad11dfb222a24ebcc Mon Sep 17 00:00:00 2001
From: Joshua Ramon Enslin <joshua@museum-digital.de>
Date: Tue, 16 Feb 2021 12:08:55 +0100
Subject: [PATCH] Add JSON API for getting list of available fields

---
 public/index.php | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/public/index.php b/public/index.php
index b6c7c72..82c80e7 100644
--- a/public/index.php
+++ b/public/index.php
@@ -27,8 +27,19 @@ else if (!isset($_SESSION['lang'])) {
 }
 $lang = $_SESSION['lang'];
 
+$outFormat = MD_STD_IN::get_http_input_text("output", "html", ['html', 'json']);
+
 $tlLoader = new MDTlLoader("csxml_start", $lang);
 
+$fieldsGetter = new CsvxmlAvailableFields($lang);
+$availableFields = $fieldsGetter->getFields();
+
+if ($outFormat === 'json') {
+    header('content-type: application/json');
+    echo json_encode($availableFields);
+    return;
+}
+
 $toInject = '
     <script src="assets/js/newToolTip.js" type="text/javascript" defer></script>
 ';
@@ -57,9 +68,6 @@ echo '
     </div>
 ';
 
-$fieldsGetter = new CsvxmlAvailableFields($lang);
-$availableFields = $fieldsGetter->getFields();
-
 $tooltips = [];
 foreach ($availableFields as $headline => $fields) {