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Move bulk-download page generation into the Library object

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This commit is contained in:
Alex Cabal 2022-07-09 20:04:04 -05:00
parent 76a4c34688
commit 270c612fc5
2 changed files with 128 additions and 121 deletions
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124
lib/Library.php
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@ -1,11 +1,20 @@
<?
use Safe\DateTime;
use function Safe\apcu_fetch;
use function Safe\filemtime;
use function Safe\filesize;
use function Safe\glob;
use function Safe\gmdate;
use function Safe\ksort;
use function Safe\natsort;
use function Safe\preg_match;
use function Safe\preg_replace;
use function Safe\sleep;
use function Safe\sort;
use function Safe\rsort;
use function Safe\usort;
class Library{
/**
* @param string $query
@ -216,6 +225,121 @@ class Library{
return $ebooks;
}
/**
* @return array<string, array<int|string, array<int|string, mixed>>>
*/
public static function RebuildBulkDownloadsCache(): array{
$years = [];
$subjects = [];
// Generate bulk downloads by month
$files = glob(WEB_ROOT . '/bulk-downloads/months/*/*.zip');
rsort($files);
foreach($files as $file){
$obj = new stdClass();
$obj->Updated = new DateTime('@' . filemtime($file));
$date = new DateTime();
preg_match('/se-ebooks-(\d+-\d+)/ius', basename($file), $matches);
if(sizeof($matches) == 2){
$date = new DateTime($matches[1] . '-01');
}
// The type of zip is stored as a filesystem attribute
$obj->Type = exec('attr -g se-ebook-type ' . escapeshellarg($file));
if($obj->Type == 'epub-advanced'){
$obj->Type = 'epub (advanced)';
}
$obj->Month = $date->format('Y-m');
$obj->Url = '/bulk-downloads/months/' . $obj->Month . '/' . basename($file);
$obj->Size = Formatter::ToFileSize(filesize($file));
// The count of ebooks in each file is stored as a filesystem attribute
$obj->Count = exec('attr -g se-ebook-count ' . escapeshellarg($file)) ?: null;
if($obj->Count !== null){
$obj->Count = intval($obj->Count);
}
$obj->UpdatedString = $obj->Updated->format('M j');
if($obj->Updated->format('Y') != gmdate('Y')){
$obj->UpdatedString = $obj->Updated->format('M j, Y');
}
$year = $date->format('Y');
$month = $date->format('F');
if(!isset($years[$year])){
$years[$year] = [];
}
if(!isset($years[$year][$month])){
$years[$year][$month] = [];
}
$years[$year][$month][] = $obj;
}
// Sort the downloads by filename extension
foreach($years as $year => $months){
foreach($months as $month => $items){
usort($items, function($a, $b){ return $a->Type <=> $b->Type; });
// We have to reassign it because the foreach created a clone of the array
$years[$year][$month] = $items;
}
}
apcu_store('bulk-downloads-years', $years);
// Generate bulk downloads by year
$files = glob(WEB_ROOT . '/bulk-downloads/subjects/*/*.zip');
sort($files);
foreach($files as $file){
$obj = new stdClass();
$obj->Url = '/bulk-downloads/' . basename($file);
$obj->Size = Formatter::ToFileSize(filesize($file));
$obj->Updated = new DateTime('@' . filemtime($file));
// The count of ebooks in each file is stored as a filesystem attribute
$obj->Count = exec('attr -g se-ebook-count ' . escapeshellarg($file)) ?: null;
if($obj->Count !== null){
$obj->Count = intval($obj->Count);
}
// The subject of the batch is stored as a filesystem attribute
$obj->Subject = exec('attr -g se-subject ' . escapeshellarg($file)) ?: null;
if($obj->Subject === null){
$obj->Subject = str_replace('se-ebooks-', '', basename($file, '.zip'));
}
// The type of zip is stored as a filesystem attribute
$obj->Type = exec('attr -g se-ebook-type ' . escapeshellarg($file));
if($obj->Type == 'epub-advanced'){
$obj->Type = 'epub (advanced)';
}
$obj->UpdatedString = $obj->Updated->format('M j');
if($obj->Updated->format('Y') != gmdate('Y')){
$obj->UpdatedString = $obj->Updated->format('M j, Y');
}
if(!isset($subjects[$obj->Subject])){
$subjects[$obj->Subject] = [];
}
$subjects[$obj->Subject][] = $obj;
}
// Subjects downloads are already correctly sorted
apcu_store('bulk-downloads-subjects', $subjects);
return ['years' => $years, 'subjects' => $subjects];
}
public static function RebuildCache(): void{
// We check a lockfile because this can be a long-running command.
// We don't want to queue up a bunch of these in case someone is refreshing the index constantly.