From 6b9241d0c75eb6b62753350d7a60d9e0c3e2b67d Mon Sep 17 00:00:00 2001
From: Jon Ziebell <ziebelje@gmail.com>
Date: Tue, 11 Feb 2020 20:45:27 -0500
Subject: [PATCH] Fixed #239  Historical runtime fails to sync when it reaches
 point where ecobee has deleted data

---
 api/runtime.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/api/runtime.php b/api/runtime.php
index a6e0b17..89b7607 100644
--- a/api/runtime.php
+++ b/api/runtime.php
@@ -313,7 +313,7 @@ class runtime extends cora\api {
    * @param int $begin
    * @param int $end
    *
-   * @return string The last updated or inserted timestamp.
+   * @return array The first and last updated or inserted timestamp.
    */
   private function sync_($thermostat_id, $begin, $end) {
     $this->user_lock($thermostat_id);
@@ -596,8 +596,8 @@ class runtime extends cora\api {
     }
 
     return [
-      'data_begin' => strtotime($data_begin),
-      'data_end' => strtotime($data_end)
+      'data_begin' => (($data_begin === null) ? null : strtotime($data_begin)),
+      'data_end' => (($data_end === null) ? null : strtotime($data_end))
     ];
   }