115 lines
3.4 KiB
PHP
115 lines
3.4 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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/**
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* CTE to get all files recursively in the given top folders
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* :topFolderIds - The top folders to get files from.
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*
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* @param bool $hidden Whether to include files in hidden folders
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* If the top folder is hidden, the files in it will still be returned
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* Hidden files are marked as such in the "hidden" field
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*/
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protected static function CTE_FOLDERS_ALL(bool $hidden): string
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{
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// Filter out folder MIME types
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$FOLDER_MIME_QUERY = "SELECT MAX(id) FROM *PREFIX*mimetypes WHERE mimetype = 'httpd/unix-directory'";
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// Select 1 if there is a .nomedia file in the folder
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$SEL_NOMEDIA = "SELECT 1 FROM *PREFIX*filecache f2
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WHERE (f2.parent = f.fileid)
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AND (f2.name = '.nomedia' OR f2.name = '.nomemories')";
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// Check no nomedia file exists in the folder
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$CLS_NOMEDIA = "NOT EXISTS ({$SEL_NOMEDIA})";
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// Whether to filter out hidden folders
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$CLS_HIDDEN_JOIN = $hidden ? '1 = 1' : "f.name NOT LIKE '.%'";
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return
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"*PREFIX*cte_folders_all(fileid, name, hidden) AS (
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SELECT f.fileid, f.name,
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(0) AS hidden
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FROM *PREFIX*filecache f
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WHERE (
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f.fileid IN (:topFolderIds) AND
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{$CLS_NOMEDIA}
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)
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UNION ALL
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SELECT f.fileid, f.name,
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(CASE WHEN c.hidden = 1 OR f.name LIKE '.%' THEN 1 ELSE 0 END) AS hidden
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FROM *PREFIX*filecache f
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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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f.mimetype = ({$FOLDER_MIME_QUERY}) AND
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({$CLS_HIDDEN_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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/**
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* CTE to get all folders recursively in the given top folders.
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*
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* @param bool $hidden Whether to include files in hidden folders
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*/
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protected static function CTE_FOLDERS(bool $hidden): string
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{
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$CLS_HIDDEN = $hidden ? 'MIN(hidden)' : '0';
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$cte = "*PREFIX*cte_folders AS (
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SELECT
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fileid, ({$CLS_HIDDEN}) AS hidden
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FROM
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*PREFIX*cte_folders_all
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GROUP BY
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fileid
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)";
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return self::bundleCTEs([self::CTE_FOLDERS_ALL($hidden), $cte]);
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}
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/**
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* CTE to get all archive folders recursively in the given top folders.
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*/
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protected static function CTE_FOLDERS_ARCHIVE(): string
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{
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$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(true), $cte]);
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}
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/**
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* @param string[] $ctes The CTEs to bundle
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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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