mejoras

api/get_conversations.php

@@ -21,6 +21,8 @@ try {
     $offset = ($page - 1) * $limit;
 
     // Obtener conversaciones agregadas por usuario: último mensaje + conteo de no leídos + avatar
+    $filter = isset($_GET['filter']) ? strtolower(trim($_GET['filter'])) : 'all';
+
     $sql = "SELECT 
             u.id AS user_id,
             COALESCE(u.name, u.phone_number) AS name,
@@ -46,14 +48,23 @@ try {
                  SELECT user_id, MAX(created_at) AS last_time FROM conversations GROUP BY user_id
              ) t2 ON t1.user_id = t2.user_id AND t1.created_at = t2.last_time
          ) lm ON lm.user_id = u.id
-         GROUP BY u.id
-         ORDER BY lm.created_at DESC
-         LIMIT %d OFFSET %d";
+         GROUP BY u.id";
+
+    // Aplicar filtro 'unread' si se solicita
+    if ($filter === 'unread') {
+        $sql .= " HAVING IFNULL(SUM(CASE WHEN c.direction = 'incoming' AND (c.is_read IS NULL OR c.is_read = 0) THEN 1 ELSE 0 END), 0) > 0";
+    }
+
+    $sql .= "\n         ORDER BY lm.created_at DESC\n         LIMIT %d OFFSET %d";
 
     $conversations = $db->fetchAll(sprintf($sql, $limit, $offset));
 
     // Conteo total de usuarios con al menos una conversación (útil para paginar)
-    $totalRow = $db->fetch("SELECT COUNT(DISTINCT user_id) AS count FROM conversations");
+    if ($filter === 'unread') {
+        $totalRow = $db->fetch("SELECT COUNT(DISTINCT user_id) AS count FROM conversations c WHERE c.direction = 'incoming' AND (c.is_read IS NULL OR c.is_read = 0)");
+    } else {
+        $totalRow = $db->fetch("SELECT COUNT(DISTINCT user_id) AS count FROM conversations");
+    }
     $total = isset($totalRow['count']) ? intval($totalRow['count']) : 0;
 
     // Si no hay datos, retornar array vacío