Fix FLEXIAPI-406 Add an artisan console script to clear statistics after n days

cron/flexiapi.debian

@@ -6,3 +6,4 @@ sudo -su www-data && php artisan accounts:clear-api-keys 60
 sudo -su www-data && php artisan accounts:clear-accounts-tombstones 7 --apply
 sudo -su www-data && php artisan accounts:clear-unconfirmed 30 --apply
 sudo -su www-data && php artisan spaces:expiration-emails
+sudo -su www-data && php artisan app:clear-statistics 30 --apply

cron/flexiapi.redhat

@@ -6,3 +6,4 @@ php artisan accounts:clear-api-keys 60
 php artisan accounts:clear-accounts-tombstones 7 --apply
 php artisan accounts:clear-unconfirmed 30 --apply
 php artisan spaces:expiration-emails
+php artisan app:clear-statistics 30 --apply

flexiapi/app/Console/Commands/ClearStatistics.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace App\Console\Commands;
+
+use App\StatisticsCall;
+use App\StatisticsMessage;
+use Carbon\Carbon;
+use Illuminate\Console\Command;
+
+class ClearStatistics extends Command
+{
+    protected $signature = 'app:clear-statistics {days} {--apply}';
+    protected $description = 'Command description';
+
+    public function handle()
+    {
+        $calls = StatisticsCall::where(
+            'created_at',
+            '<',
+            Carbon::now()->subDays($this->argument('days'))->toDateTimeString()
+        );
+        $messages = StatisticsMessage::where(
+            'created_at',
+            '<',
+            Carbon::now()->subDays($this->argument('days'))->toDateTimeString()
+        );
+
+        $callsCount = $calls->count();
+        $messagesCount = $messages->count();
+
+        if ($this->option('apply')) {
+            $this->info($callsCount . ' calls statistics in deletion…');
+            $calls->delete();
+            $this->info($callsCount . ' calls statistics deleted');
+
+            $this->info($messagesCount . ' messages statistics in deletion…');
+            $messages->delete();
+            $this->info($messagesCount . ' messages statistics deleted');
+
+            return Command::SUCCESS;
+        }
+
+        $this->info($callsCount . ' calls statistics to delete');
+        $this->info($messagesCount . ' messages statistics to delete');
+        return Command::SUCCESS;
+    }
+}