![]() ![]() The hooks is placed in the module file, so we’ll add our hook_entity_access, and create the job with the information we want to log. The arguments for the hook contain everything we need, account, entity, and operation. The hook is called whenever entity access is checked. Log in or register to post comments Comment 12 g18724 Credit Attribution: g18724 commented 7 June 2016 at 15:47. Drupal comes with a hook, called hook_entity_access. I removed 2 functions, because i have no idea how cron-job-get and cron-job-set can work in Drupal 8. Since we’re creating an audit log, it makes sense we get the information from the permission layer. “When” is simply a timestamp for the operation. “What” is the operation performed, so this could be any CRUD (Create, Read, Update, Delete) function, but it should also include on what entity it was performed. ![]() We’d need to log who, what and when for an audit log. Now that we have a logging channel for our audit log, we need to decide what to log. It’s good practice, as calls to the container using the \Drupal static are discouraged due to the best practices of inversion of control. We implement the ContainerFactoryPluginInterface to be able to add the logging channel to the worker class using dependency injection. In our example, we’ll create the audit log worker as follows. That is because its an application and not a server capable of scheduling tasks that. Place your queue worker class in the Plugin/QueueWorker directory for your module and define a QueueWorker annotation for it, and you will have both a worker and a queue. First of all, Drupal doesnt actually have a fully fledged cron system. You add Queues using the annotation API, and they are considered plugins. In the following example, we’ll set up a Queue Worker to process an audit log, so we can keep an eye on what’s going on in our system. You could add a job to a queue every time something happened and then process that task in the background. Queue workers work on a task queue and handle each task in a single process. Queue workers are not cron, but cron can execute them. Today’s core drupal still has the core-cron Drush command, and some documentation of how to best set it up exists. In Drupal 8, the recommended way to add a new module to your project is to use composer. In this article, we are going to look at Ultimate Cron because that is available for Drupal 7 and 8, where as Elysia Cron is Drupal 7 only. Over time, modules were created to make cron more maintainable, and Drush commands made the wget call obsolete. There are two main options to achieve that - Elysia Cron and Ultimate Cron. In the bad ole days of Drupal, we were stuck with hook_cron and a single wget call to cron.php with a so-called “secure key.” This post is not a “history of cron in Drupal” post. In my opinion queue workers are often overlooked and underutilized as a way of dealing with background tasks. ![]()
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