From 723200fabd4a6e40f9d5feeea2baf3dc25710473 Mon Sep 17 00:00:00 2001
From: Aditya Ujeniya <adityauj@gmail.com>
Date: Wed, 4 Dec 2024 17:53:18 +0100
Subject: [PATCH] fix: SimpleResampler fixed

---
 .gitignore                 |  2 +-
 pkg/resampler/resampler.go | 10 +++++-----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/.gitignore b/.gitignore
index 87a8070..f2ce56d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,7 +20,7 @@
 
 aditya.creds
 test.creds
-config.json
+/config.json
 
 migrateTimestamps.pl
 test_ccms_api.sh
diff --git a/pkg/resampler/resampler.go b/pkg/resampler/resampler.go
index 5377f18..c641670 100644
--- a/pkg/resampler/resampler.go
+++ b/pkg/resampler/resampler.go
@@ -8,20 +8,20 @@ import (
 	"github.com/ClusterCockpit/cc-metric-store/internal/util"
 )
 
-func SimpleResampler(data []util.Float, old_frequency int64, new_frequency int64) ([]util.Float, error) {
+func SimpleResampler(data []util.Float, old_frequency int64, new_frequency int64) ([]util.Float, int64, error) {
 	if old_frequency == 0 || new_frequency == 0 || new_frequency <= old_frequency {
-		return nil, errors.New("either old or new frequency is set to 0")
+		return data, old_frequency, nil
 	}
 
 	if new_frequency%old_frequency != 0 {
-		return nil, errors.New("new sampling frequency should be multiple of the old frequency")
+		return nil, 0, errors.New("new sampling frequency should be multiple of the old frequency")
 	}
 
 	var step int = int(new_frequency / old_frequency)
 	var new_data_length = len(data) / step
 
 	if new_data_length == 0 || len(data) < 100 || new_data_length >= len(data) {
-		return data, nil
+		return data, old_frequency, nil
 	}
 
 	new_data := make([]util.Float, new_data_length)
@@ -30,7 +30,7 @@ func SimpleResampler(data []util.Float, old_frequency int64, new_frequency int64
 		new_data[i] = data[i*step]
 	}
 
-	return new_data, nil
+	return new_data, new_frequency, nil
 }
 
 // Inspired by one of the algorithms from https://skemman.is/bitstream/1946/15343/3/SS_MSthesis.pdf