forked from verdnatura/hedera-web
130 lines
2.5 KiB
PHP
130 lines
2.5 KiB
PHP
<?php
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require_once (__DIR__.'/util.php');
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/**
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* Syncronizes the data directory with the database, this may take
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* some time.
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*/
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class Sync extends Vn\Lib\Method
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{
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private $trashSubdir;
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private $util;
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function __construct ($app)
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{
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parent::__construct ($app);
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$this->util = new Util ($app);
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$this->dataDir = $this->util->dataDir;
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}
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function run ($db)
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{
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$db = $this->getSysConn ();
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set_time_limit (0);
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$this->trashSubdir = date ('YmdHis');
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$checkCount = 0;
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$query = 'SELECT DISTINCT `%3$s` FROM `%1$s`.`%2$s`
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WHERE `%3$s` IS NOT NULL AND `%3$s` != \'\'';
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$dir = opendir ($this->dataDir);
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if ($dir)
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while ($schema = readdir ($dir))
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if (!in_array ($schema, ['.', '..']))
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{
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$info = $this->loadInfo ($schema);
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$schemaPath = "{$this->dataDir}/$schema";
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// Deletes unreferenced schemas.
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if (!isset ($info))
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{
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$this->moveTrash ($schema);
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continue;
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}
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// Deletes unreferenced sizes.
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$schemaDir = opendir ($schemaPath);
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if ($schemaDir)
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while ($size = readdir ($schemaDir))
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if (!in_array ($size, ['.', '..', 'full'])
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&& !isset ($info['sizes'][$size]))
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$this->moveTrash ("$schema/$size");
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// Gets a list of referenced images from the database.
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$result = $db->query (sprintf ($query
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,$info['schema']
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,$info['table']
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,$info['column']
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));
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if (!$result)
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continue;
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$map = [];
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while ($row = $result->fetch_row ())
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{
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$map[$row[0]] = TRUE;
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$checkCount++;
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}
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$result->free ();
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// Deletes unreferenced images.
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$this->cleanImages ($schema, 'full', $map);
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foreach ($info['sizes'] as $size => $i)
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$this->cleanImages ($schema, $size, $map);
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}
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echo "Syncronization finished.\n";
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}
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function cleanImages ($schema, $size, &$map)
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{
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$sizePath = "{$this->dataDir}/$schema/$size";
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if (!is_dir ($sizePath))
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return;
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$iter = new DirectoryIterator ($sizePath);
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for (; $iter->valid (); $iter->next ())
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if (!$iter->isDir () && strripos ($iter->getFilename (), '.png', -4) !== FALSE)
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{
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$name = substr ($iter->getFilename (), 0, -4);
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if (!isset ($map[$name]))
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$this->moveTrash ("$schema/$size/". $iter->getFilename ());
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}
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}
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/**
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* Moves a data directory to the trash.
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*
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* @param string $file The file to move to the trash
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*/
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function moveTrash ($file)
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{
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$trashBasedir = "{$this->dataDir}/.trash/". $this->$trashSubdir;
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$trashdir = "$trashBasedir/". dirname ($file);
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if (!is_dir ($trashdir))
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mkdir ($trashdir, 0775, TRUE);
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rename (
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"{$this->dataDir}/$file",
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"$trashBasedir/$file"
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);
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}
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}
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