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Alex Cabal 2018-12-29 15:21:19 -06:00
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lib/Library.php Normal file
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<?
class Library{
public static function GetEbooks(string $sort = null): array{
$ebooks = [];
switch($sort){
case SORT_AUTHOR_ALPHA:
// Get all ebooks, sorted by author alpha first.
$ebooks = apcu_fetch('ebooks-alpha', $success);
if(!$success){
$ebooks = Library::GetEbooks();
usort($ebooks, function($a, $b){
return strcmp(mb_strtolower($a->Authors[0]->SortName), mb_strtolower($b->Authors[0]->SortName));
});
apcu_store('ebooks-alpha', $ebooks);
}
break;
case SORT_NEWEST:
// Get all ebooks, sorted by newest first.
$ebooks = apcu_fetch('ebooks-newest', $success);
if(!$success){
$ebooks = Library::GetEbooks();
usort($ebooks, function($a, $b){
if($a->Timestamp < $b->Timestamp){
return -1;
}
elseif($a->Timestamp == $b->Timestamp){
return 0;
}
else{
return 1;
}
});
$ebooks = array_reverse($ebooks);
apcu_store('ebooks-newest', $ebooks);
}
break;
default:
// Get all ebooks, unsorted.
$ebooks = apcu_fetch('ebooks', $success);
if(!$success){
foreach(explode("\n", trim(shell_exec('find ' . SITE_ROOT . '/www/ebooks/ -name "content.opf"'))) as $filename){
$ebookWwwFilesystemPath = preg_replace('|/src/.+|ius', '', $filename);
$ebook = apcu_fetch('ebook-' . $ebookWwwFilesystemPath, $success);
if(!$success){
$ebook = new Ebook($ebookWwwFilesystemPath);
apcu_store('ebook-' . $ebookWwwFilesystemPath, $ebook);
}
$ebooks[] = $ebook;
}
apcu_store('ebooks', $ebooks);
}
break;
}
return $ebooks;
}
public static function GetEbooksByAuthor(string $wwwFilesystemPath): array{
// Do we have the author's ebooks cached?
$ebooks = apcu_fetch('author-' . $wwwFilesystemPath, $success);
if(!$success){
$ebooks = [];
foreach(explode("\n", trim(shell_exec('find ' . escapeshellarg($wwwFilesystemPath) . ' -name "content.opf"'))) as $filename){
try{
$ebookWwwFilesystemPath = preg_replace('|/src/.+|ius', '', $filename);
$ebook = apcu_fetch('ebook-' . $ebookWwwFilesystemPath, $success);
if(!$success){
$ebook = new Ebook($ebookWwwFilesystemPath);
apcu_store('ebook-' . $ebookWwwFilesystemPath, $ebook);
}
$ebooks[] = $ebook;
}
catch(\Exception $ex){
// An error in a book isn't fatal; just carry on.
}
}
apcu_store('author-' . $wwwFilesystemPath, $ebooks);
}
return $ebooks;
}
public static function Search(string $query): array{
$ebooks = Library::GetEbooks();
$matches = [];
foreach($ebooks as $ebook){
if($ebook->Contains($query)){
$matches[] = $ebook;
}
}
return $matches;
}
}
?>