From feef1f45251f4823e5f61e430d59646955f9bc63 Mon Sep 17 00:00:00 2001
From: davidovski <david@davidovski.xyz>
Date: Mon, 7 Aug 2023 15:05:41 +0100
Subject: [PATCH] Try different instance if fallback fails

---
 engines/librex/text.php | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)

diff --git a/engines/librex/text.php b/engines/librex/text.php
index 9ab090f..0096da5 100644
--- a/engines/librex/text.php
+++ b/engines/librex/text.php
@@ -10,18 +10,23 @@
 
         $instances_json = json_decode(file_get_contents("instances.json"), true);
         $instances = array_map(fn($n) => $n['clearnet'], array_filter($instances_json['instances'], fn($n) => !is_null($n['clearnet'])));
-        $instance = $instances[array_rand($instances)];
-
         $query_encoded = urlencode($query);
 
-        // TODO add all the required options
-        $url = $instance . "api.php?q=$query_encoded&p=$page&t=0";
+        $results = array();
 
-        $librex_ch = curl_init($url);
-        curl_setopt_array($librex_ch, $config->curl_settings);
-        $response = curl_exec($librex_ch);
-        curl_close($librex_ch);
+        do {
+            $instance = $instances[array_rand($instances)];
+            $url = $instance . "api.php?q=$query_encoded&p=$page&t=0";
 
-        return array_values(json_decode($response, true));
+            $librex_ch = curl_init($url);
+            curl_setopt_array($librex_ch, $config->curl_settings);
+            $response = curl_exec($librex_ch);
+            curl_close($librex_ch);
+            $code = curl_getinfo($librex_ch)["http_code"];
+            $results = json_decode($response, true);
+
+        } while ( $results == null || empty($results));
+
+        return array_values($results);
     }
 ?>