resq/src/Command/LoadAggregateRiderRatingsComand.php

123 lines
3.2 KiB
PHP

<?php
namespace App\Command;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Doctrine\ORM\EntityManagerInterface;
use App\Entity\AggregatedRiderRating;
use PDO;
class LoadAggregateRiderRatingsComand extends Command
{
protected $em;
public function __construct(EntityManagerInterface $em)
{
$this->em = $em;
parent::__construct();
}
protected function configure()
{
$this->setName('aggregated_rider_rating:load')
->setDescription('Add rider ratings to aggregated rider rating.')
->setHelp('Add rider ratings to aggregated rider rating.');
}
protected function execute(InputInterface $input, OutputInterface $output)
{
// get the ids of all riders
$rider_id_list = $this->getRiderIds();
$this->processAggregateRiderRating($rider_id_list);
return 0;
}
protected function processAggregateRiderRating($rider_id_list)
{
$db = $this->em->getConnection();
$agg_rider_ratings = [];
// get all rider ratings per rider
$rr_query_sql = 'SELECT rating FROM rider_rating WHERE rider_id = :id';
$rr_query_stmt = $db->prepare($rr_query_sql);
foreach ($rider_id_list as $key => $rider_id)
{
$rr_query_stmt->bindValue('id', $rider_id);
$results = $rr_query_stmt->executeQuery();
$total_jos = 0;
$total_rating = 0;
while ($row = $results->fetchAssociative())
{
$rating = $row['rating'];
$total_rating = bcadd($total_rating, $rating, 2);
// increment number of JOs per rider
$total_jos++;
}
// compute average
$agg_rating = 0;
if ($total_jos > 0)
$agg_rating = bcdiv($total_rating, $total_jos, 2);
$agg_rider_ratings[$rider_id] = [
'agg_rating' => $agg_rating,
'agg_count' => $total_jos,
];
}
// create aggregated rider rating
$this->createAggregatedRiderRating($agg_rider_ratings);
}
protected function createAggregatedRiderRating($agg_rider_ratings)
{
// error_log(print_r($agg_rider_ratings, true));
foreach ($agg_rider_ratings as $key => $data)
{
// create new AggregatedRiderRating object
$obj = new AggregatedRiderRating();
// set fields
$obj->setRiderId($key)
->setAggregateRating($data['agg_rating'])
->setAggregateCount($data['agg_count']);
// save to database
$this->em->persist($obj);
}
$this->em->flush();
}
protected function getRiderIds()
{
$rider_ids = [];
$db = $this->em->getConnection();
$query_sql = 'SELECT id FROM rider';
$query_stmt = $db->prepare($query_sql);
$results = $query_stmt->executeQuery();
while ($row = $results->fetchAssociative())
{
$rider_ids[] = $row['id'];
}
return $rider_ids;
}
}