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Popular tracks are now sorted by 'weight'

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This commit is contained in:
Josef Citrine 2016-10-06 22:11:19 +01:00
parent e5c9ff3e71
commit 568969f7e5
1 changed files with 53 additions and 8 deletions
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61
app/Models/Track.php
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@ -31,6 +31,7 @@ use Poniverse\Ponyfm\Contracts\Commentable;
use Poniverse\Ponyfm\Contracts\Favouritable;
use Poniverse\Ponyfm\Contracts\Searchable;
use Poniverse\Ponyfm\Exceptions\TrackFileNotFoundException;
use Poniverse\Ponyfm\Models\ResourceLogItem;
use Poniverse\Ponyfm\Traits\IndexedInElasticsearchTrait;
use Poniverse\Ponyfm\Traits\SlugTrait;
use Exception;
@ -289,11 +290,11 @@ class Track extends Model implements Searchable, Commentable, Favouritable
*/
public static function popular($count, $allowExplicit = false, $skip = 0)
{
$trackIds = Cache::remember(
$trackData = Cache::remember(
'popular_tracks'.$count.'-'.($allowExplicit ? 'explicit' : 'safe'),
5,
function () use ($allowExplicit, $count, $skip) {
$query = static
/*$query = static
::published()
->listed()
->join(
@ -315,16 +316,56 @@ class Track extends Model implements Searchable, Commentable, Favouritable
$query->where('is_explicit', false);
}
$results = [];
foreach ($query->get(['*', DB::raw('count(*) as plays')]) as $track) {
$results[] = $track->id;
}*/
$explicitFilter = '
AND NOT EXISTS (
SELECT id, is_explicit FROM tracks
WHERE track_id = id AND is_explicit = TRUE
)';
if ($allowExplicit) {
$explicitFilter = '';
}
$queryText = '
SELECT track_id,
SUM(CASE WHEN log_type = 1 THEN 0.1
WHEN log_type = 3 THEN 1
WHEN log_type = 2 THEN 2
ELSE 0 END) AS weight
FROM "resource_log_items"
WHERE track_id IS NOT NULL AND log_type IS NOT NULL AND "created_at" > now() - INTERVAL \'1\' DAY
'.$explicitFilter.'
GROUP BY track_id
ORDER BY weight DESC
LIMIT 30;';
$countQuery = DB::select(DB::raw($queryText));
$results = [];
foreach ($countQuery as $track) {
$results[] = [
'id' => $track->track_id,
'weight' => $track->weight
];
}
return $results;
}
);
$trackIds = [];
$trackWeights = [];
foreach ($trackData as $track) {
$trackIds[] = $track['id'];
$trackWeights[$track['id']] = $track['weight'];
}
if (!count($trackIds)) {
return [];
}
@ -338,12 +379,16 @@ class Track extends Model implements Searchable, Commentable, Favouritable
$processed = [];
foreach ($tracks->get() as $track) {
$processed[] = Track::mapPublicTrackSummary($track);
$trackModel = Track::mapPublicTrackSummary($track);
$trackModel['weight'] = $trackWeights[$track->id];
$processed[] = $trackModel;
}
// Songs that get played more should drop down
// in the list so they don't hog the top spots.
array_reverse($processed);
usort($processed, function($a, $b) {
return $a['weight'] <=> $b['weight'];
});
$processed = array_reverse($processed);
return $processed;
}