From f0cd06fbddd3c945976408c5afce5c3507ac70a1 Mon Sep 17 00:00:00 2001
From: rozetko <rozetko@corpglory.com>
Date: Fri, 29 Jun 2018 11:13:16 +0300
Subject: [PATCH] Check for file existence instead of exception handling #33

---
 server/src/services/segments.ts | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/server/src/services/segments.ts b/server/src/services/segments.ts
index 61aefb3..604808d 100644
--- a/server/src/services/segments.ts
+++ b/server/src/services/segments.ts
@@ -1,4 +1,5 @@
 import * as path from 'path';
+import * as fs from 'fs';
 import { getJsonDataSync, writeJsonDataSync }  from './json';
 import { SEGMENTS_PATH } from '../config';
 import { AnomalyId, loadAnomalyById, saveAnomaly } from './anomalyType';
@@ -8,18 +9,17 @@ import * as _ from 'lodash';
 function getLabeledSegments(anomalyId: AnomalyId) {
   let filename = path.join(SEGMENTS_PATH, `${anomalyId}_labeled.json`);
 
-  let segments = [];
-  try {
-    segments = getJsonDataSync(filename);
-    for (let segment of segments) {
-      if (segment.labeled === undefined) {
+  if(!fs.existsSync(filename)) {
+    return [];
+  } else {
+    let segments = getJsonDataSync(filename);
+    for(let segment of segments) {
+      if(segment.labeled === undefined) {
         segment.labeled = false;
       }
     }
-  } catch(e) {
-    segments = [];
+    return segments;
   }
-  return segments;
 }
 
 function getPredictedSegments(anomalyId: AnomalyId) {