Questions tagged [event-subscriber]

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0answers
7 views

How do I redirect a user basing on its roles?

I'm having an issue with writing a redirect based on whether or not the current user's role matches the one listed or not I've been trying to find solutions related to getting the current path for ...
-1
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1answer
36 views

Error with Event Subscriber using getRouteName()

I have a problem with event subscriber. Here is the error: The website encountered an unexpected error. Please try again later. Error: Call to a member function getRouteName() on null in Drupal\...
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0answers
38 views

Return an Ajax Response from EventSubscriber?

I am trying to return an ajax response when a user logs in while the page is loading post-login. /#1 approach was attaching an ajax callback to the user login form submit with form_alter. However ...
0
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1answer
148 views

How to alter response headers from module hook

I am puzzled how to alter the response headers from specific hook (hook_file_download)? /** * Implements hook_file_download(). */ function example_file_download($uri) { $scheme = FileSystem::...
1
vote
2answers
71 views

View all subscribed events?

I have a feature where if a user navigates to a specific url (www.mysite.com/special-content) they are redirected to the login page, where we've appended a destination to the request (www.mysite.com/...
1
vote
1answer
41 views

setContainer Error When Registering an EventSubscriber Service

I am trying to create a basic event subscriber, but when I add the services.yml file and attempt to rebuild the cache with drush cr, I get this error. In Drupal.php line 130: \Drupal::$...
0
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1answer
66 views

Would replacing hooks with events be a good practice?

Do you think it would be a good practice to replace hooks with events? I mean dispatching an event inside a hook to subscribe afterwards. For example if you have 20 hooks in your module, is it ...
0
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3answers
48 views

How can you remove another modules events?

So, I have an event subscriber for Drupal commerce that listens for "commerce_order.place.post_transition" and will send a bespoke order email (due to not being able to change some of the things like ...
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0answers
52 views

Why are KernelEvents not triggered on cached pages? [duplicate]

Why Kernal events not triggering on cached pages.I have tried using priorities.. $events[KernelEvents::REQUEST][] = ['onRequest', 27]; Services.yml file tags: - { name: 'event_subscriber', ...
5
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2answers
291 views

Can't find cookie for validation in EventSubscriber

There's this module Splash Redirect in which src/EventSubscriber/SplashRedirectEventSubscriber.php is supposed to check if the cookie $config_cookie exists or not, if it already exists then the user ...
1
vote
1answer
57 views

How to change a field value in a product variation when someone edited the order manually?

I had implemented a "Event Subscriber" controller to change the stock value in the product variation. Stock is a field in product variation. Depending upon the quantity in order items I am ...
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1answer
46 views

Plugins before event subscribers

Not sure if there's a way out of this problem but... I have a custom log module which listens for events that could come from multiple sources. All it does is listen for an event, and if it occurs ...
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0answers
111 views

Subscribe to content type creation event

I'm using Drupal 8 (8.6.2). My main objective is to read fields of newly created content type (or changed, it doesn't matter) and create few helper data structures. To achieve this, I'm trying to ...
1
vote
1answer
103 views

Handling access denied result

In Drupal 8, what is the correct way of returning access denied to a user (outside of access requirement on a controller)? I'd say it is to throw an AccessDeniedHttpException most of the time, but I ...
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0answers
55 views

How to modify drupalSettings JavaScript in an Event?

I have a UserLogin event subscriber. I want this subscriber to output a variable from marketing tracking purposes to Javascript, however, I don't see how I could accomplish this, as the Event ...
0
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0answers
113 views

Throwing an AccessDeniedHttpException() in an event causes a “max nesting level” error

I am debugging an event subscriber that checks if a user has access based on certain conditions. If they don't have access, then I am doing: throw new AccessDeniedHttpException(); However, this was ...
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1answer
70 views

Class not found for a new module/service I am building. I am not sure how to debug

I am building a new service, an event subscriber in a custom module. My class which extends EventSubscriberInterface is not being found. [error] Class Drupal\fivewire_commerce\EventSubscriber\...
2
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3answers
142 views

How are hooks implemented?

Are hooks a thing in their own right, or are they actually implemented as events under the hood?
2
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1answer
52 views

Hook or event before a page gets cached

Is there a hook or event I can tie into before a page gets cached. I need a hook/event that I can call so that I can run some logic on the page that is about to be cached to tell Drupal if I want a ...
0
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2answers
126 views

Which events are invoked when an order is removed or cancelled?

I have already an event subscriber class with commerce_order.place.post_transition defined. I need to remove nodes when an order is deleted or canceled. What event could I use in that case?
0
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1answer
221 views

Dispatch an Event when the a user logs

I was looking into the new Events system for Drupal 8 and there's something I haven't been able to figure out. I need to dispatch an event when a user logs something to the watchdog table using the ...
0
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1answer
27 views

How to load a file during the load of drupal 8 bootstrap (hook_init)

I want to make something that in Drupal 7 can easily be done with hook_init, but this hook doesn't exists in Drupal 8. I want to load an .env file and at the same time load the dotenv file from ...
3
votes
1answer
1k views

EventSubscriber endless redirect

I have Drupal 8.5.1 and I am trying to force a redirect for anonymous users to the CAS login page. First I thought that the issue was related with the firing of the checkAuthStatus function below, ...
2
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1answer
528 views

Run KernelEvents::REQUEST event before hook_node_access?

I'm doing some central static variable setup for the request and was hoping to use KernelEvents::REQUEST to run first and set the variables. However, I've found that while the documentation states: ...
0
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1answer
348 views

Drupal 8: Class not found from module Controller, but works fine from module EventSubscriber

I created a custom D8 module in: <root>/modules/custom/mymodule In that custom module are src/Controller/MyController.php and src/EventSubscriber/MySubscriber.php. I wrote some custom code ...
1
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0answers
572 views

How to understand and fix a Reflection does not exist error?

I am trying to get my head around using EventSubscriber for adding HTTP Headers. In D7 I would have simply used drupal_add_http_header('Content-Type', 'application/javascript'); But I see that this ...
1
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1answer
231 views

Using Event Subscriber change the product custom field value after first checkout of that product

Using 'Event Subscriber', I'm able to get $order and $items from the order after completing the checkout. How can I get the product id from the $itemsand modify the product custom field value? ...
5
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1answer
618 views

Why is it better to use event subscribers rather than hooks

In drupal 8, we now have the ability to use event subscribers. What's the reason for this? Is it to work with the new cache API better? Recently I had a task of needing to extract data from a node ...
1
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0answers
84 views

How can an event subscriber have access to the entity type?

I'm using entity_print for PDF generation on two node types. I'd like each to have its own orientation configuration (or just have one override the default). There is an event in entity_print where ...
1
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0answers
170 views

How to fire an Event on node publish on Drupal 8

I am trying to figure out how to fire an event when a node type gets published so I can set up a listener to listen to that event. Can someone explain what is the best practice and how to fire an ...
5
votes
1answer
1k views

Custom 500 Error page: Is there a way to theme a fatal error?

In /core/includes/errors.inc, when there is a fatal error it outputs a response with the message "The website encountered an unexpected error. Please try again later." and a back-trace, if error_level ...
2
votes
1answer
270 views

Create an EventSubscriber for a specific module

I'm attempting to make something occur at a specific event in the GatherContent module found here https://www.drupal.org/project/gathercontent Based on the information here http://help.gathercontent....
0
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1answer
673 views

Must implement interface > Drupal\Core\Entity\EntityTypeManagerInterface, none given in __construct() function

I am trying to write a custom eventsubscriber for commerce 2.x for an event after a successful checkout. Everything works and now I want to create a __construct function to initialize an object, but ...
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2answers
499 views

How to discover events for event dispatcher

I want to write an implementation of EventSubscriberInterface for an event in commerce, there is a handy example, but How do I find out what events are available (as a whole for my site) and/or How ...
0
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1answer
365 views

How to use a terminate kernel event to log page access statistics?

In Drupal 7 hook_exit is implemented in the Statistics module to gather statistics for page accesses. This change record suggest the equivalent in Drupal 8 is to listen for kernel.terminate events. ...
1
vote
1answer
531 views

EventSubscriber called on specific node type or path

I'm trying to set an event that will launch function that loads some data from outside server and print it to javascript div element. I tried many ways but I can't figure out how to make this event be ...
0
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2answers
484 views

When an anonymous user hits '/user/login' route, how can I trigger an event?

I want to trigger an event when an anonymous user comes to /user/login. I made an event subscriber, but it only fires one time: namespace Drupal\mymodule\EventSubscriber; use Symfony\Component\...
2
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2answers
1k views

How to issue 404 from a KernelEvents::REQUEST event

I'm trying to issue a 404 from a KernelEvents::REQUEST event, but it's resulting in the following error: Fatal error: Maximum function nesting level of '256' reached, aborting! in /var/www/vendor/...
2
votes
1answer
975 views

Does not redirect in EventSubscriber [closed]

I want to redirect to specific url in EventSubscriber when I got the error "Page not found". I used Symfony2 redirect for event listener? but the redirect goes to the home Class: use Drupal\Core\Url;...
2
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1answer
448 views

Event subscription for EntityTypeEvents

So I'm trying to get an event subscriber working for EntityTypeEvents and I can't figure out why it's not firing. This is a general outline of the code: namespace Drupal\subscriber_class_module; ...
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0answers
300 views

How to implement redirect in kernel.request event properly?

I can reach site by multiple aliases. Business logic requires to do some redirects in case of accessing be an alias. E.g: alias1.dev -> site.dev/landing-page. I've implemented EventSubscriber for ...
2
votes
1answer
60 views

How to suppress default HtmlException?

I need to turn off 404 & related Exceptions. Need to handle it in custom way. I've implemented an EventSubscriber with listener for kernel.exception event. But $event->setException() cannot ...
5
votes
2answers
692 views

Event Response not firing anonymous user

I have a module in drupal8 which only job is on an event response is to redirect a URL. It works fine for everyone except anonymous users. How do I give the module privileges to fire on every user no ...
13
votes
4answers
5k views

Redirect Anonymous user to login page

I want if user not logged in and visit any page of my website except my REST VIEWS routers I redirect him/her to login page in drupal 8, I found this solutions for drupal 7 but didn't find any ...
7
votes
3answers
4k views

Does Drupal 8 entities have any events I can listen to?

I know we can use hook_entity_update() hook to do something when an entity is updated. But is there an event to listen for node updates/deletes, or other entities such for that matter?
1
vote
1answer
572 views

What to attach event listener to in Drupal behavior

I have a use case where I need to listen to the insertIntoActiveEditor event in the insertIntoActiveEditor event in the Insert module, but with this code: (function ($) { /** * Custom behavior to ...
1
vote
0answers
114 views

url redirections not working for anonymous users - redirecting to homepage

I have set a redirect rule in EventSubscriber. So according to rule, when I hit [example.com/my-page][1] in browser, it should redirect to [example.com/success][1] or some external url also. But ...
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vote
2answers
166 views

Customizing the register form with a new class: Why do I get this error?

I'm trying to customize the register form. A user has a reference field to content of type A. However, I only want to allow values of A which satisfy a certain condition. To achieve this, I based my ...
2
votes
1answer
184 views

How do I unpromoted existing node when new node is promoted to front page (Programatically)?

In Drupal 8 I want only one node at a time to be promoted to front page. If user promoted new node the existed should un-promoted automatically. Can we implement this with events in Drupal 8?
1
vote
1answer
801 views

Event does not trigger each time I load a page

I'm using event dispatcher in a custom module to auto login users in a Drupal 8 website. I'm using the KernelEvents::REQUEST, with a onRequest fonction. I put an echo for testing that the function was ...