/**
* Determine if a given log record has a log present on the filesystem (handles both archived and non-archive logs).
*
* @uses $DB
* @param object|integer $logorid The log record from the DB or the record ID to detect a file for
* @return boolean True if a viable file exists, False otherwise
*/
function rlip_log_file_exists($logorid)
{
global $DB;
// Check whether a record or record ID was passed in, also return false if neither was specified
if (is_integer($logorid)) {
$log = $DB->get_record(RLIP_LOG_TABLE, array('id' => $logorid));
} else {
if (is_object($logorid)) {
$log = $logorid;
} else {
return false;
}
}
// Check if the log file still exists on the filesystem
if (!empty($log->logpath) && file_exists($log->logpath)) {
return true;
}
// Check if a zip archive exists for the date the job was started on
$archivelog = rlip_get_archive_log_filename($log);
if (!empty($archivelog) && file_exists($archivelog)) {
return true;
}
return false;
}
require_once $CFG->dirroot . '/local/datahub/lib.php';
require_once $CFG->dirroot . '/local/datahub/lib/rlip_fileplugin.class.php';
$file = get_plugin_directory('dhfile', 'log') . '/log.class.php';
require_once $file;
$id = required_param('id', PARAM_INT);
if (!($log = $DB->get_record(RLIP_LOG_TABLE, array('id' => $id)))) {
print_error('filenotfound', 'error', $CFG->wwwroot . '/');
}
$logfilename = '';
// Check if the log file still exists on the filesystem
if (!empty($log->logpath) && file_exists($log->logpath)) {
$logfilename = $log->logpath;
}
// Check if a zip archive exists for the date the job was started on
if ($logfilename == '') {
$archivelog = rlip_get_archive_log_filename($log);
//error_log("download.php: checking for log archive: {$archivelog}");
if (!empty($archivelog) && file_exists($archivelog)) {
// Create a directory for temporary unzipping the log archive
do {
$path = $CFG->dataroot . '/temp/dh_download' . mt_rand(0, 9999999);
} while (file_exists($path));
check_dir_exists($path);
// Unzip the log archive file
$fp = get_file_packer('application/zip');
if (!$fp->extract_to_pathname($archivelog, $path)) {
@remove_dir($path);
} else {
// Look for to see if the specific file we want exists in the unarchive zip file
$logfilename = $path . '/' . basename($log->logpath);
if (!file_exists($logfilename)) {
