Load some InfluxDB data in the fixtures so the charts aren't empty.

src/Console/Command/SetupFixtures.php

@@ -1,11 +1,14 @@
 <?php
 namespace App\Console\Command;
 
+use App\Entity\Station;
 use Azura\Console\Command\CommandAbstract;
+use Cake\Chronos\Chronos;
 use Doctrine\Common\DataFixtures\Executor\ORMExecutor;
 use Doctrine\Common\DataFixtures\Loader;
 use Doctrine\Common\DataFixtures\Purger\ORMPurger;
 use Doctrine\ORM\EntityManager;
+use InfluxDB\Database;
 use Symfony\Component\Console\Input\ArrayInput;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
@@ -36,6 +39,47 @@ class SetupFixtures extends CommandAbstract
         $executor = new ORMExecutor($em, $purger);
         $executor->execute($loader->getFixtures());
 
+        // Preload sample data.
+
+        $stations = $em->getRepository(Station::class)->findAll();
+
+        /** @var Database $influx */
+        $influx = $this->get(Database::class);
+
+        $midnight_utc = Chronos::now('UTC')->setTime(0, 0);
+        $influx_points = [];
+
+        for($i = 1; $i <= 14; $i++) {
+            $day = $midnight_utc->subDays($i)->getTimestamp();
+
+            $day_listeners = 0;
+
+            foreach($stations as $station) {
+                /** @var Station $station */
+
+                $station_listeners = random_int(1, 20);
+                $day_listeners += $station_listeners;
+
+                $influx_points[] = new \InfluxDB\Point(
+                    'station.' . $station->getId() . '.listeners',
+                    $station_listeners,
+                    [],
+                    ['station' => $station->getId()],
+                    $day
+                );
+            }
+
+            $influx_points[] = new \InfluxDB\Point(
+                'station.all.listeners',
+                $day_listeners,
+                [],
+                ['station' => 0],
+                $day
+            );
+        }
+
+        $influx->writePoints($influx_points, \InfluxDB\Database::PRECISION_SECONDS, '1d');
+
         $output->writeln('Fixtures loaded.');
 
         return 0;