/**
* Backfill single group.
*
* @param array $groupArr
* @param int $left
* @param int|string $articles
*
* @return void
*/
public function backfillGroup($groupArr, $left, $articles = '')
{
// Start time for this group.
$startGroup = microtime(true);
$groupName = str_replace('alt.binaries', 'a.b', $groupArr['name']);
// If our local oldest article 0, it means we never ran update_binaries on the group.
if ($groupArr['first_record'] <= 0) {
$dMessage = "You need to run update_binaries on " . $groupName . ". Otherwise the group is dead, you must disable it.";
if ($this->_debug) {
$this->_debugging->log('Backfill', "backfillGroup", $dMessage, Logger::LOG_ERROR);
}
if ($this->_echoCLI) {
$this->pdo->log->doEcho($this->pdo->log->error($dMessage));
}
return;
}
// Select group, here, only once
$data = $this->_nntp->selectGroup($groupArr['name']);
if ($this->_nntp->isError($data)) {
$data = $this->_nntp->dataError($this->_nntp, $groupArr['name']);
if ($this->_nntp->isError($data)) {
return;
}
}
if ($this->_echoCLI) {
$this->pdo->log->doEcho($this->pdo->log->primary('Processing ' . $groupName), true);
}
// Check if this is days or post backfill.
$postCheck = $articles === '' ? false : true;
// Get target post based on date or user specified number.
$targetpost = (string) ($postCheck ? round($groupArr['first_record'] - $articles) : $this->_binaries->daytopost($groupArr['backfill_target'], $data));
// Check if target post is smaller than server's oldest, set it to oldest if so.
if ($targetpost < $data['first']) {
$targetpost = $data['first'];
}
// Check if our target post is newer than our oldest post or if our local oldest article is older than the servers oldest.
if ($targetpost >= $groupArr['first_record'] || $groupArr['first_record'] <= $data['first']) {
$dMessage = "We have hit the maximum we can backfill for " . $groupName . ", skipping it, consider disabling backfill on it.";
if ($this->_debug) {
$this->_debugging->log('Backfill', "backfillGroup", $dMessage, Logger::LOG_NOTICE);
}
if ($this->_echoCLI) {
$this->pdo->log->doEcho($this->pdo->log->notice($dMessage), true);
}
return;
}
if ($this->_echoCLI) {
$this->pdo->log->doEcho($this->pdo->log->primary('Group ' . $groupName . "'s oldest article is " . number_format($data['first']) . ', newest is ' . number_format($data['last']) . ".\nOur target article is " . number_format($targetpost) . '. Our oldest article is article ' . number_format($groupArr['first_record']) . '.'));
}
// Set first and last, moving the window by max messages.
$last = (string) ($groupArr['first_record'] - 1);
// Set the initial "chunk".
$first = (string) ($last - $this->_binaries->messageBuffer + 1);
// Just in case this is the last chunk we needed.
if ($targetpost > $first) {
$first = $targetpost;
}
$done = false;
while ($done === false) {
if ($this->_echoCLI) {
$this->pdo->log->doEcho($this->pdo->log->set256('Yellow') . "\nGetting " . number_format($last - $first + 1) . " articles from " . $groupName . ", " . $left . " group(s) left. (" . number_format($first - $targetpost) . " articles in queue)." . $this->pdo->log->rsetColor(), true);
}
flush();
$lastMsg = $this->_binaries->scan($groupArr, $first, $last, $this->_safePartRepair);
// Get the oldest date.
if (isset($lastMsg['firstArticleDate'])) {
// Try to get it from the oldest pulled article.
$newdate = strtotime($lastMsg['firstArticleDate']);
} else {
// If above failed, try to get it with postdate method.
$newdate = $this->_binaries->postdate($first, $data);
}
$this->pdo->queryExec(sprintf('
UPDATE groups
SET first_record_postdate = %s, first_record = %s, last_updated = NOW()
WHERE id = %d', $this->pdo->from_unixtime($newdate), $this->pdo->escapeString($first), $groupArr['id']));
if ($first == $targetpost) {
$done = true;
} else {
// Keep going: set new last, new first, check for last chunk.
$last = (string) ($first - 1);
$first = (string) ($last - $this->_binaries->messageBuffer + 1);
if ($targetpost > $first) {
$first = $targetpost;
}
}
}
if ($this->_echoCLI) {
$this->pdo->log->doEcho($this->pdo->log->primary(PHP_EOL . 'Group ' . $groupName . ' processed in ' . number_format(microtime(true) - $startGroup, 2) . " seconds."), true);
}
}
exit('ERROR! No groups were found with backfill enabled!' . PHP_EOL);
} else {
exit('ERROR! Group (' . $argv[1] . ') not found!' . PHP_EOL);
}
}
$nntp = new NNTP(['Settings' => $pdo]);
$nntp->doConnect() or exit('Could not connect to Usenet!' . PHP_EOL);
$binaries = new Binaries(['NNTP' => $nntp, 'Settings' => $pdo]);
foreach ($groups as $group) {
$groupNNTP = $nntp->selectGroup($group['name']);
if ($nntp->isError($groupNNTP)) {
echo 'ERROR! Could not fetch information from NNTP for group (' . $group['name'] . ')' . PHP_EOL;
continue;
}
$postDate = $pdo->queryOneRow(sprintf('SELECT UNIX_TIMESTAMP(postdate) AS postdate FROM releases WHERE group_id = %d ORDER BY postdate ASC LIMIT 1', $group['id']));
if ($postDate === false) {
echo 'ERROR! Could not find any existing releases for group (' . $group['name'] . ')' . PHP_EOL;
continue;
}
$articleNumber = (int) $binaries->daytopost(round((time() - $postDate['postdate']) / 86400), $groupNNTP);
if ($group['last_record'] != 0 && $articleNumber >= $group['last_record']) {
echo 'ERROR! Could not determine the article number for this date: (' . $postDate['postdate'] . ') on group (' . $group['name'] . ')' . PHP_EOL;
continue;
}
$articleDate = $binaries->postdate($articleNumber, $groupNNTP);
$pdo->queryExec(sprintf('
UPDATE groups
SET first_record = %d, first_record_postdate = %s
WHERE id = %d', $articleNumber, $pdo->from_unixtime($articleDate), $group['id']));
echo 'SUCCESS! Updated group (' . $group['name'] . ')\'s first article number to (' . $articleNumber . ') dated (' . date('r', $articleDate) . ').' . PHP_EOL . 'The previous first article number was: (' . $group['first_record'] . ')' . (empty($group['first_record_postdate']) ? '.' : ' dated (' . date('r', strtotime($group['first_record_postdate'])) . ').') . PHP_EOL;
}