From a4f4679f1e5d9b4a7e20832f10f9522064fb7d4b Mon Sep 17 00:00:00 2001
From: Anton Romanov <a.romanov@ulstu.ru>
Date: Mon, 24 Apr 2023 13:57:37 +0400
Subject: [PATCH] #91 -- fix time series tendency estimation

---
 .../java/ru/ulstu/extractor/ts/service/TimeSeriesService.java  | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main/java/ru/ulstu/extractor/ts/service/TimeSeriesService.java b/src/main/java/ru/ulstu/extractor/ts/service/TimeSeriesService.java
index 6dba38c..f28a031 100644
--- a/src/main/java/ru/ulstu/extractor/ts/service/TimeSeriesService.java
+++ b/src/main/java/ru/ulstu/extractor/ts/service/TimeSeriesService.java
@@ -128,7 +128,8 @@ public class TimeSeriesService {
         if (ts != null && ts.getValues().size() > MIN_TIME_SERIES_LENGTH) {
             JSONObject response = httpService.post(TIME_SERIES_TENDENCY_URL, new JSONObject(new JsonTimeSeries(normalizeTimeSeries(ts))));
             LOG.debug("Успешно отправлен на сервис сглаживания");
-            if (response.has("response") && response.getString("response").equals("empty")) {
+            if (response.has("response") && response.getString("response").equals("empty")
+                    || !response.has("timeSeries")) {
                 return DEFAULT_TIME_SERIES_TENDENCY;
             }
             JSONArray jsonArray = response.getJSONObject("timeSeries").getJSONArray("values");