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<?php |
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namespace App\Service; |
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use App\Entity\Wander; |
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use App\Repository\ImageRepository; |
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use App\Repository\WanderRepository; |
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use Carbon\CarbonInterval; |
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use Doctrine\ORM\EntityManager; |
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use Doctrine\ORM\EntityManagerInterface; |
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use Doctrine\ORM\EntityRepository; |
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use Symfony\Contracts\Cache\CacheInterface; |
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use Symfony\Contracts\Cache\ItemInterface; |
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use Symfony\Contracts\Cache\TagAwareCacheInterface; |
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class StatsService |
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{ |
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/** @var ImageRepository */ |
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private $imageRepository; |
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/** @var WanderRepository */ |
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private $wanderRepository; |
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/** @var TagAwareCacheInterface */ |
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private $cache; |
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/** @var EntityManagerInterface */ |
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private $entityManager; |
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public function __construct( |
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ImageRepository $imageRepository, |
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WanderRepository $wanderRepository, |
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TagAwareCacheInterface $cache, |
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EntityManagerInterface $entityManager) |
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{ |
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$this->imageRepository = $imageRepository; |
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$this->wanderRepository = $wanderRepository; |
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$this->cache = $cache; |
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$this->entityManager = $entityManager; |
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} |
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public function getImageStats(): array |
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{ |
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$stats = $this->cache->get('image_stats', function(ItemInterface $item) { |
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$item->tag('stats'); |
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$imageStats = $this->imageRepository |
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->createQueryBuilder('i') |
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->select('COUNT(i.id) as totalCount') |
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->addSelect('COUNT(i.latlng) as countWithCoords') |
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->addSelect('COUNT(i.title) as countWithTitle') |
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->addSelect('COUNT(i.description) as countWithDescription') |
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->getQuery() |
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->getOneOrNullResult(); |
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return $imageStats; |
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}); |
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return $stats; |
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} |
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public function getWanderStats(): array |
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{ |
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$stats = $this->cache->get('wander_stats', function(ItemInterface $item) { |
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$item->tag('stats'); |
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$wanderStats = $this->wanderRepository |
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->createQueryBuilder('w') |
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->select('COUNT(w.id) as totalCount') |
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->addSelect('COUNT(w.title) as countWithTitle') |
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->addSelect('COUNT(w.description) as countWithDescription') |
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//->addSelect('SUM(w.durationSeconds) as totalDuration') |
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->addSelect('COALESCE(SUM(w.distance), 0) as totalDistance') |
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->addSelect('COALESCE(SUM(w.cumulativeElevationGain), 0) as totalCumulativeElevationGain') |
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->getQuery() |
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->getOneOrNullResult(); |
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$wanderStats['hasWanders'] = $wanderStats['totalCount'] > 0; |
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// Doctrine doesn't support calculating a difference |
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// in seconds from two datetime values via ORM. Let's |
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// go raw. |
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$conn = $this->entityManager->getConnection(); |
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$sql = 'SELECT COALESCE(SUM(TIME_TO_SEC(TIMEDIFF(end_time, start_time))), 0) FROM wander'; |
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$stmt = $conn->prepare($sql); |
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$stmt->execute(); |
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$seconds = $stmt->fetchOne(); |
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$interval = CarbonInterval::seconds($seconds)->cascade(); |
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$wanderStats['totalDuration'] = $interval; |
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$wanderStats['totalDurationForHumans'] = $interval->forHumans([ |
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'short' => true |
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]); |
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// Set up defaults for average, in case we have no wanders |
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$wanderStats['averageWanderDuration'] = 0; |
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$wanderStats['averageWanderDurationForHumans'] = '0s'; |
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if ($wanderStats['hasWanders']) { // Avoid divide by zero |
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$interval = CarbonInterval::seconds($seconds / $wanderStats['totalCount'])->cascade(); |
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$wanderStats['averageDuration'] = $interval; |
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$wanderStats['averageDurationForHumans'] = $interval->forHumans([ |
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'short' => true |
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]); |
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} |
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$wanderStats['longestWanderDistance'] = $this->wanderRepository |
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->createQueryBuilder('w') |
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->select('w.id, w.distance') |
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->orderBy('w.distance', 'desc') |
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->setMaxResults(1) |
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->getQuery() |
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->getOneOrNullResult(); |
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$wanderStats['shortestWanderDistance'] = $this->wanderRepository |
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->createQueryBuilder('w') |
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->select('w.id, w.distance') |
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->orderBy('w.distance', 'asc') |
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->setMaxResults(1) |
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->getQuery() |
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->getOneOrNullResult(); |
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$wanderStats['averageWanderDistance'] = $this->wanderRepository |
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->createQueryBuilder('w') |
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->select('AVG(w.distance)') |
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->getQuery() |
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->getSingleScalarResult() ?? 0; |
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$qb = $this->wanderRepository |
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->createQueryBuilder('w'); |
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$wanderStats['imageProcessingBacklog'] = $this->wanderRepository->addWhereHasImages($qb, false) |
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->select('COUNT(w.id)') |
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->getQuery() |
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->getSingleScalarResult(); |
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return $wanderStats; |
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}); |
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return $stats; |
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} |
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} |
gothick /
omm
