47 lines
1.2 KiB
PHP
47 lines
1.2 KiB
PHP
<?php
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declare(strict_types=1);
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namespace OCA\Memories\Db;
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use OCP\IDBConnection;
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trait TimelineQueryFolders
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{
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protected IDBConnection $connection;
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/**
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* Get the previews inside a given TimelineRoot.
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* The root folder passed to this function must already be populated
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* with the mount points recursively, if this is desired.
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*
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* @param TimelineRoot $root The root to use for the query
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*/
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public function getRootPreviews(TimelineRoot $root): array
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{
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$query = $this->connection->getQueryBuilder();
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// SELECT all photos
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$query->select('f.fileid', 'f.etag')->from('memories', 'm');
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// WHERE these photos are in the user's requested folder recursively
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$query = $this->joinFilecache($query, $root, true, false);
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// ORDER descending by fileid
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$query->orderBy('f.fileid', 'DESC');
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// MAX 4
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$query->setMaxResults(4);
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// FETCH tag previews
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$rows = $this->executeQueryWithCTEs($query)->fetchAll();
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// Post-process
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foreach ($rows as &$row) {
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$row['fileid'] = (int) $row['fileid'];
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}
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return $rows;
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}
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}
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