96 lines
2.7 KiB
PHP
96 lines
2.7 KiB
PHP
<?php
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declare(strict_types=1);
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namespace OCA\Memories\Db;
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trait TimelineQueryCTE
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{
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protected static function CTE_FOLDERS_ALL(bool $notArchive): string
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{
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// Whether to filter out the archive folder
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$CLS_ARCHIVE_JOIN = $notArchive ? "f.name <> '.archive'" : '1 = 1';
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// Filter out folder MIME types
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$CLS_MIME_FOLDER = "f.mimetype = (SELECT `id` FROM `*PREFIX*mimetypes` WHERE `mimetype` = 'httpd/unix-directory')";
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// Select filecache as f
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$BASE_QUERY = 'SELECT f.fileid, f.name FROM *PREFIX*filecache f';
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// From top folders
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$CLS_TOP_FOLDER = 'f.fileid IN (:topFolderIds)';
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// Select 1 if there is a .nomedia file in the folder
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$SEL_NOMEDIA = "SELECT 1 FROM *PREFIX*filecache f2 WHERE f2.parent = f.fileid AND f2.name = '.nomedia'";
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// Check no nomedia file exists in the folder
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$CLS_NOMEDIA = "NOT EXISTS ({$SEL_NOMEDIA})";
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return
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"*PREFIX*cte_folders_all(fileid, name) AS (
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{$BASE_QUERY}
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WHERE (
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{$CLS_TOP_FOLDER} AND
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{$CLS_NOMEDIA}
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)
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UNION ALL
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{$BASE_QUERY}
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INNER JOIN *PREFIX*cte_folders_all c
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ON (
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f.parent = c.fileid AND
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{$CLS_MIME_FOLDER} AND
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{$CLS_ARCHIVE_JOIN}
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)
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WHERE (
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{$CLS_NOMEDIA}
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)
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)";
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}
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/** CTE to get all folders recursively in the given top folders excluding archive */
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protected static function CTE_FOLDERS(): string
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{
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$cte = '*PREFIX*cte_folders AS (
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SELECT
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fileid
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FROM
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*PREFIX*cte_folders_all
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GROUP BY
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fileid
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)';
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return self::bundleCTEs([self::CTE_FOLDERS_ALL(true), $cte]);
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}
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/** CTE to get all archive folders recursively in the given top folders */
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protected static function CTE_FOLDERS_ARCHIVE(): string
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{
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$cte = "*PREFIX*cte_folders(fileid) AS (
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SELECT
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cfa.fileid
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FROM
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*PREFIX*cte_folders_all cfa
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WHERE
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cfa.name = '.archive'
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GROUP BY
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cfa.fileid
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UNION ALL
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SELECT
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f.fileid
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FROM
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*PREFIX*filecache f
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INNER JOIN *PREFIX*cte_folders c
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ON (f.parent = c.fileid)
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)";
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return self::bundleCTEs([self::CTE_FOLDERS_ALL(false), $cte]);
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}
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protected static function bundleCTEs(array $ctes): string
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{
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return 'WITH RECURSIVE '.implode(',', $ctes);
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}
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}
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