118 lines
3.8 KiB
PHP
118 lines
3.8 KiB
PHP
<?php
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declare(strict_types=1);
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namespace OCA\Memories\Db;
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use OCA\Memories\AppInfo\Application;
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use OCA\Memories\Exif;
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use OCP\Files\File;
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use OCP\IDBConnection;
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class TimelineWrite {
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protected IDBConnection $connection;
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public function __construct(IDBConnection $connection) {
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$this->connection = $connection;
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}
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/**
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* Process a file to insert Exif data into the database
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* @param File $file
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* @return int 2 if processed, 1 if skipped, 0 if not valid
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*/
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public function processFile(File &$file, bool $force=false): int {
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// There is no easy way to UPSERT in a standard SQL way, so just
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// do multiple calls. The worst that can happen is more updates,
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// but that's not a big deal.
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// https://stackoverflow.com/questions/15252213/sql-standard-upsert-call
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// Check if we want to process this file
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$mime = $file->getMimeType();
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$is_image = in_array($mime, Application::IMAGE_MIMES);
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$isvideo = in_array($mime, Application::VIDEO_MIMES);
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if (!$is_image && !$isvideo) {
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return 0;
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}
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// Get parameters
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$mtime = $file->getMtime();
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$user = $file->getOwner()->getUID();
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$fileId = $file->getId();
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// Check if need to update
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$sql = 'SELECT `fileid`, `mtime`
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FROM *PREFIX*memories
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WHERE `fileid` = ? AND `uid` = ?';
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$prevRow = $this->connection->executeQuery($sql, [
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$fileId, $user,
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], [
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\PDO::PARAM_INT, \PDO::PARAM_STR,
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])->fetch();
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if ($prevRow && !$force && intval($prevRow['mtime']) === $mtime) {
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return 1;
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}
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// Get exif data
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$exif = [];
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try {
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$exif = Exif::getExifFromFile($file);
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} catch (\Exception $e) {}
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// Get more parameters
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$dateTaken = Exif::getDateTaken($file, $exif);
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$dayId = floor($dateTaken / 86400);
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$dateTaken = gmdate('Y-m-d H:i:s', $dateTaken);
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if ($prevRow) {
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// Update existing row
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$sql = 'UPDATE *PREFIX*memories
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SET `dayid` = ?, `datetaken` = ?, `isvideo` = ?, `mtime` = ?
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WHERE `uid` = ? AND `fileid` = ?';
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$this->connection->executeStatement($sql, [
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$dayId, $dateTaken, $isvideo, $mtime,
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$user, $fileId,
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], [
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\PDO::PARAM_INT, \PDO::PARAM_STR, \PDO::PARAM_BOOL, \PDO::PARAM_INT,
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\PDO::PARAM_STR, \PDO::PARAM_INT,
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]);
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} else {
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// Try to create new row
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try {
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$sql = 'INSERT
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INTO *PREFIX*memories (`dayid`, `datetaken`, `isvideo`, `mtime`, `uid`, `fileid`)
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VALUES (?, ?, ?, ?, ?, ?)';
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$this->connection->executeStatement($sql, [
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$dayId, $dateTaken, $isvideo, $mtime,
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$user, $fileId,
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], [
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\PDO::PARAM_INT, \PDO::PARAM_STR, \PDO::PARAM_BOOL, \PDO::PARAM_INT,
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\PDO::PARAM_STR, \PDO::PARAM_INT,
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]);
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} catch (\Exception $ex) {
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error_log("Failed to create memories record: " . $ex->getMessage());
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}
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}
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return 2;
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}
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/**
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* Remove a file from the exif database
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* @param File $file
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*/
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public function deleteFile(File &$file) {
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$sql = 'DELETE
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FROM *PREFIX*memories
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WHERE `fileid` = ?';
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$this->connection->executeStatement($sql, [$file->getId()], [\PDO::PARAM_INT]);
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}
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/**
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* Clear the entire index. Does not need confirmation!
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* @param File $file
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*/
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public function clear() {
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$sql = 'TRUNCATE TABLE *PREFIX*memories';
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$this->connection->executeStatement($sql);
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}
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} |