group_lms_user_sync.module

<?php

/**
 * @file
 * Allows you to group users, content and other entities.
 */

use Drupal\Component\Utility\Html;
use Drupal\Core\Session\AccountInterface;
use Drupal\group\Entity\GroupRelationshipInterface;
use Drupal\group\Entity\GroupInterface;
use Drupal\Core\State\StateInterface;
use Drupal\Core\Datetime\DrupalDateTime;
use Drupal\Core\Logger\LoggerChannelFactoryInterface;

/**
 * Implements hook_cron().
 *
 * Queues group sync tasks in batches to prevent memory exhaustion.
 */
function group_lms_user_sync_cron() {
    // Get the GroupLMSUserSyncAPI service.
    $sync_service = \Drupal::service('group_lms_user_sync.api');

    // Get total groups and batch size.
    $total_groups = $sync_service->getGroupCount();
    $batch_size = $sync_service->getBatchSize();

    if ($total_groups === 0) {
      \Drupal::logger('group_lms_user_sync')->info('No groups to sync.');
      return;
    }

    // Queue batches for processing.
    $queue = \Drupal::queue('group_lms_user_sync_batch');
    
    // Only queue if the queue is empty (prevent duplicate queuing).
    if ($queue->numberOfItems() === 0) {
      for ($offset = 0; $offset < $total_groups; $offset += $batch_size) {
        $queue->createItem([
          'offset' => $offset,
          'limit' => $batch_size,
        ]);
      }
      \Drupal::logger('group_lms_user_sync')->info('Queued @count batches for @total groups (batch size: @size).', [
        '@count' => ceil($total_groups / $batch_size),
        '@total' => $total_groups,
        '@size' => $batch_size,
      ]);
    } else {
      \Drupal::logger('group_lms_user_sync')->info('Sync queue already has @count items pending.', [
        '@count' => $queue->numberOfItems(),
      ]);
    }
}

/**
 * Worker callback for the daily task.
 */
function group_lms_user_sync_daily_task_worker($data) {
}