/**
* Get file-based metadata in standardized format.
*
* Note that for a remote file, this might return metadata supplied by extensions.
*
* @param File $file File to use
* @return array [<property name> => ['value' => <value>]], or [] on error
* @since 1.23
*/
protected function getExtendedMetadataFromFile(File $file)
{
// If this is a remote file accessed via an API request, we already
// have remote metadata so we just ignore any local one
if ($file instanceof ForeignAPIFile) {
// In case of error we pretend no metadata - this will get cached.
// Might or might not be a good idea.
return $file->getExtendedMetadata() ?: array();
}
wfProfileIn(__METHOD__);
$uploadDate = wfTimestamp(TS_ISO_8601, $file->getTimestamp());
$fileMetadata = array('DateTime' => array('value' => $uploadDate, 'source' => 'mediawiki-metadata'));
$title = $file->getTitle();
if ($title) {
$text = $title->getText();
$pos = strrpos($text, '.');
if ($pos) {
$name = substr($text, 0, $pos);
} else {
$name = $text;
}
$fileMetadata['ObjectName'] = array('value' => $name, 'source' => 'mediawiki-metadata');
}
$common = $file->getCommonMetaArray();
if ($common !== false) {
foreach ($common as $key => $value) {
$fileMetadata[$key] = array('value' => $value, 'source' => 'file-metadata');
}
}
wfProfileOut(__METHOD__);
return $fileMetadata;
}
