optionKey = $optionName;
$this->maximumProcessingTime = $runTime;
$this->offset = $offset;
$this->minPendingRequired = $minPendingRequired;
}
public function handle()
{
$systemCheck = $this->isSystemOk();
if (is_wp_error($systemCheck)) {
return $systemCheck;
}
Helper::maybeDisableEmojiOnEmail();
Helper::debugLog('Starting ' . $this->runnerTitle, '', 'extended');
try {
$this->handleFailedLog();
$result = $this->processBatchEmails();
if (is_wp_error($result)) {
$this->releaseLock();
$this->logSentCount();
return new \WP_Error('wp_error', $result->get_error_message());
}
if ($result === 'time_up') {
$this->releaseLock();
$this->logSentCount();
return new \WP_Error('time_up', 'Time Up');
}
} catch (\Throwable $e) {
$this->releaseLock();
Helper::debugLog('Exception at ' . $this->runnerTitle, $e->getMessage(), 'error');
return new \WP_Error('exception', $e->getMessage());
}
$this->logSentCount();
$this->releaseLock();
return true;
}
private function isSystemOk()
{
if (!defined('WP_CLI') || !WP_CLI) {
return new \WP_Error('not_cli', 'This is not a CLI request');
}
$this->calledFrom = 'CLI';
if (
did_action('fluent_crm/sending_cli_threading_email') ||
apply_filters('fluent_crm/disable_email_processing', false)
) {
return new \WP_Error('disabled', 'Email Processing is disabled');
}
if ($this->memoryExceeded()) {
Helper::debugLog('Mailer Memory Exceeded at ' . $this->runnerTitle, 'Memory Limit: ' . fluentCrmGetMemoryLimit() . '
Current Usage: ' . memory_get_usage(true));
return new \WP_Error('memory_exceeded', 'Memory Exceeded at ' . $this->runnerTitle);
}
if (Helper::getUpcomingEmailCount() < $this->minPendingRequired) {
return new \WP_Error('not_enough', 'Pending emails are not enough to process');
}
$this->isMultiThread = true;
$this->startingTimeStamp = time();
if (!$this->acquireLock()) {
Helper::debugLog('already Processing', 'CliSendingHandler::handle', 'extended');
return new \WP_Error('already_processing', 'Already Processing');
}
return true;
}
protected function getNextBatchEmails()
{
$remaining = Helper::getUpcomingEmailCount();
if ($remaining < $this->minPendingRequired) {
\WP_CLI::line(sprintf('only %d emails left. Exiting....', $remaining));
return [];
}
if ($this->memoryExceeded()) {
Helper::debugLog('Mailer Memory Exceeded at ' . $this->runnerTitle, 'Memory Limit: ' . fluentCrmGetMemoryLimit() . '
Current Usage: ' . memory_get_usage(true));
return [];
}
if ($this->sentCount) {
\WP_CLI::line(sprintf('Sent %1d emails. -> %2d', $this->sentCount, $this->sendingChunkNumber));
}
global $wpdb;
$table = $wpdb->prefix . 'fc_campaign_emails';
$currentTime = current_time('mysql');
// Use transaction-based atomic claiming like Handler to prevent duplicates
$wpdb->query('START TRANSACTION');
$rows = $wpdb->get_results($wpdb->prepare(
"SELECT id FROM {$table} WHERE status IN ('pending', 'scheduled') AND scheduled_at <= %s ORDER BY scheduled_at DESC LIMIT %d, %d FOR UPDATE",
$currentTime, $this->offset, $this->sendingPerChunk
));
$ids = wp_list_pluck($rows, 'id');
if ($ids) {
$idsPlaceholder = implode(',', array_fill(0, count($ids), '%d'));
$result = $wpdb->query($wpdb->prepare(
"UPDATE {$table} SET status = 'processing', updated_at = %s WHERE id IN ($idsPlaceholder) AND status IN ('pending', 'scheduled')",
array_merge([$currentTime], $ids)
));
if ($result === false || $wpdb->rows_affected === 0) {
$wpdb->query('ROLLBACK');
return [];
}
}
$wpdb->query('COMMIT');
if (!$ids) {
return [];
}
$this->refreshLock();
return CampaignEmail::whereIn('id', $ids)
->where('status', 'processing')
->with(['campaign', 'subscriber'])
->get();
}
public function setRunnerTitle($title)
{
$this->runnerTitle = $title;
return $this;
}
protected function isTimeUp()
{
return (time() - $this->startingTimeStamp) >= $this->maximumProcessingTime;
}
}