}
define('LOG_EVENT', 'VariantUpload' . $_GET['type']);
define('PAGE_TITLE', 'Upload a ' . $_GET['type'] . ' file');
$_T->printHeader();
$_T->printTitle();
require ROOT_PATH . 'inc-lib-form.php';
// Maximum number of unsupported variants that will be printed to the user.
$nMaxListedUnsupported = 100;
// Calculate maximum uploadable file size.
// VCF files are approximately 116 bytes per variant, so 50 MB should allow for half a million variants.
// SeattleSeq variants may take up as much as 750 bytes per variant because they duplicate a lot of information in cases with several transcripts.
// Either way, LOVD has a maximum file size limit of 100 MB.
// Anyways, the server settings are probably much lower.
$nMaxSizeLOVD = 100 * 1024 * 1024;
// 100MB LOVD limit.
$nMaxSize = min($nMaxSizeLOVD, lovd_convertIniValueToBytes(ini_get('upload_max_filesize')), lovd_convertIniValueToBytes(ini_get('post_max_size')));
function lovd_getVCFLine($fInput)
{
// This function reads and returns one line in $fInput.
// It also updates the progress bar ($_BAR) and automatically skips empty lines. Returns false on EOF.
global $_BAR, $_FILES;
static $nParsedBytes;
if (!isset($nParsedBytes)) {
$nParsedBytes = 0;
}
// Automatically skip empty lines.
do {
$sLine = fgets($fInput);
$nParsedBytes += strlen($sLine);
} while ($sLine !== false && !trim($sLine));
// Update the progress bar and return the line.
}
}
}
if (!lovd_endLine()) {
break;
}
}
break;
}
}
}
if (!lovd_error()) {
// Start parsing and put everything in memory.
// Get at least 128MB memory.
// FIXME: Increase memory limit based on file size? Use memory_get_usage() to predict running out of memory?
if (lovd_convertIniValueToBytes(ini_get('memory_limit')) < 128 * 1024 * 1024) {
ini_set('memory_limit', '128M');
}
$_T->printHeader();
$_T->printTitle('Import data in LOVD format');
// Load progress bar.
require ROOT_PATH . 'class/progress_bar.php';
$_BAR = array(new ProgressBar('parser', 'Parsing file...'));
$_BAR[0]->setMessageVisibility('done', true);
// Now, the actual parsing...
foreach ($aData as $i => $sLine) {
$sLine = trim($sLine);
if (!$sLine) {
if (!lovd_endLine()) {
break;
}