From e695a61af9fa6521e84200c407118e871fd248fe Mon Sep 17 00:00:00 2001
From: Lizandro Guarnizo <77708265+lizandrogd@users.noreply.github.com>
Date: Sat, 24 Jan 2026 08:32:50 -0500
Subject: [PATCH] Update get_user_messages.php

---
 api/get_user_messages.php | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/api/get_user_messages.php b/api/get_user_messages.php
index 69e9d36..f6da0b1 100644
--- a/api/get_user_messages.php
+++ b/api/get_user_messages.php
@@ -75,7 +75,22 @@ try {
 
     $conversations = $db->fetchAll($sql, $params);
 
-    // Si no hay mensajes, devolver array vacío
+    // Si no hay mensajes, intentar fallback si se pidió paginación con 'before'
+    if (empty($conversations) && $before) {
+        error_log('get_user_messages.php - initial query returned empty, attempting fallback with inclusive <= for before param');
+        try {
+            $sqlFallback = str_replace('c.created_at < :before', 'c.created_at <= :before', $sql);
+            $conversationsFallback = $db->fetchAll($sqlFallback, $params);
+            if (!empty($conversationsFallback)) {
+                error_log('get_user_messages.php - fallback query returned ' . count($conversationsFallback) . ' rows');
+                $conversations = $conversationsFallback;
+            }
+        } catch (Exception $e) {
+            error_log('get_user_messages.php - fallback query failed: ' . $e->getMessage());
+        }
+    }
+
+    // Si todavía no hay mensajes, devolver array vacío
     if (empty($conversations)) {
         echo json_encode(['success' => true, 'data' => [], 'has_more' => false], JSON_UNESCAPED_UNICODE | JSON_PARTIAL_OUTPUT_ON_ERROR);
         exit;