From 503b9e53b7be591cccd7ac93e0168ece492d28c7 Mon Sep 17 00:00:00 2001
From: Sami Mokaddem <sami.mokaddem@circl.lu>
Date: Tue, 8 Mar 2022 16:51:10 +0100
Subject: [PATCH] chg: [instance:getStatistics] Usage of cake's FrozenTime
 instead of DateTime

---
 src/Model/Table/InstanceTable.php | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/Model/Table/InstanceTable.php b/src/Model/Table/InstanceTable.php
index 95b965a..299536b 100644
--- a/src/Model/Table/InstanceTable.php
+++ b/src/Model/Table/InstanceTable.php
@@ -9,6 +9,7 @@ use Cake\Validation\Validator;
 use Migrations\Migrations;
 use Cake\Filesystem\Folder;
 use Cake\Http\Exception\MethodNotAllowedException;
+use Cake\I18n\FrozenTime;
 
 class InstanceTable extends AppTable
 {
@@ -39,12 +40,12 @@ class InstanceTable extends AppTable
                         'count' => $query->func()->count('id'),
                         'date' => 'DATE(modified)',
                     ])
-                    ->where(['modified >' => new \DateTime("-{$days} days")])
+                    ->where(['modified >' => FrozenTime::now()->subDays($days)])
                     ->group(['date'])
                     ->order(['date']);
                 $data = $query->toArray();
                 $interval = new \DateInterval('P1D');
-                $period = new \DatePeriod(new \DateTime("-{$days} days"), $interval, new \DateTime());
+                $period = new \DatePeriod(FrozenTime::now()->subDays($days), $interval, FrozenTime::now());
                 $timeline = [];
                 foreach ($period as $date) {
                     $timeline[$date->format("Y-m-d")] = [
@@ -57,7 +58,7 @@ class InstanceTable extends AppTable
                 }
                 $statistics[$model]['timeline'] = array_values($timeline);
 
-                $startCount = $table->find()->where(['modified <' => new \DateTime("-{$days} days")])->all()->count();
+                $startCount = $table->find()->where(['modified <' => FrozenTime::now()->subDays($days)])->all()->count();
                 $endCount = $statistics[$model]['amount'];
                 $statistics[$model]['variation'] = $endCount - $startCount;
             } else {