Questions tagged [event-subscribers]
The event-subscribers tag has no usage guidance.
102
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2
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50
views
How do I get the product item author id from the order object?
I have a website, where users can add their products. After a user purchases a product and pays for it, I want to create some custom logic. I need to know the authors of the individual items purchased....
- 93
1
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1
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74
views
How can I return a templated response from an Exception Event subscriber?
I'm currently using an Event Subscriber to catch exceptions and return a plain-text message response to the user (instead of the default white screen of death).
Is there a way to return a templated ...
- 123
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1
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102
views
How to get route inside RequestEvent
I need to redirect all existing links targeting a few hand-picked nodes to an external domain. I created an EventSubscriber listening to RequestEvents
my.services.yml
services:
my.request_subscriber:...
- 5,122
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30
views
Cart update event triggering for every field
In Commerce's cart form, I've noticed that the cart update event is fired more than once. (Potentially, it's fired once per field in the form.) Events have the stopPropagation() function, but it doesn'...
- 31
2
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1
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215
views
How to add additional drupalSettings to all pages with an event subscriber
I need to set the user timezone on all pages in the JS drupalSettings object, so that it can be accessed on any page. As drupalSettings.user is provided by core, I want to set drupalSettings.user....
- 16.4k
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260
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How can I catch a login event in a subscriber?
I've got an event that is triggered on hook_user_login in a module.
$event_dispatcher = \Drupal::service('event_dispatcher');
$event_dispatcher->dispatch('mymodule_user_login', $event);
I also ...
- 798
-1
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1
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167
views
Class not found for service in custom module [closed]
I am trying to create an event subscriber service in a custom module and I keep getting a "Class not found" error.
The module directory is modules/custom/avgc
The class is in src/...
- 21
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48
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phpword in an EventSubscriber
I want to download a Drupal page to a Word document in an Event Subscriber. The code I'm starting with will download a document which msword will open. Here's the original code:
protected function ...
- 285
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2
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69
views
Is "event_subscriber" a reserved naming convention for services? Are there guidelines to follow?
So I was working on a project today, and an event subscriber we had written the better part of a year ago was determined to no longer be firing. Here is the definition:
services:
my_module....
- 844
3
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1
answer
329
views
Custom 404 handling for images
I'm looking for a way to handle 404's on images in Drupal. I have created several subscribers, but none seem to get triggered. My first try was to create subscriber that extends RouteSubscriberBase. ...
- 185
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1
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1k
views
In event subscriber, how to redirect if value doesnt exist?
I am trying to check a condition before page load, if value exists to load page if not to redirect.
I am following this page
I have created a /mymodule/mymodule.services.yml file and a /mymodule/src/...
- 155
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292
views
Alter route path within event_subscriber with GET parameters
I know I can alter route path with event_subscriber
class AdminRouteModifier extends RouteSubscriberBase {
protected function alterRoutes(RouteCollection $collection) {
if ($route = $collection-...
- 431
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1
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278
views
EventSubscriber to add cache context for specific path
I am working with Mobile Detect module and from what I understand, we need to manually add the cache context mobile_detect_is_mobile in order to have the page cached differently based on the user ...
- 103
3
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1
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327
views
Is there an event related to the creation of a session cookie for anonymous users?
I need to set an additional cookie whenever an anonymous user received a session cookie. This happens when selecting a facet in Search API for example. The specific use case is that I need an extra ...
- 131
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74
views
How to use methods from entity class if it doesn't have such service?
I'm writing an EventSubscriber for the config entity of the domain module. My goal is to insert some data in its config on preSave event (it becomes from the patch for D9).
Here is my code from ...
- 1
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1
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117
views
How to alter routes defined in route_callbacks?
Usually I alter static routes in routes subscriber:
protected function alterRoutes(RouteCollection $collection) {
$route = $collection->get('gutenberg.media.load_media');
if ($route) {
...
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0
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272
views
Alter a controller's render array via KernelEvents::VIEW
I'm trying to alter a contrib module controller's output via KernelEvents::VIEW. I want to display the output from the controller and append the markup returned from the event handler.
This is the ...
- 67
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144
views
Feeds event subscriber stopped working
For some reason my feeds event subscribers have just stopped working.
My code looks like this, the dpm for debugging never gets fired so I think the function isn't being run.
I can't work out what's ...
- 562
1
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1
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504
views
EventSubscriber not trigger
I have a EventSubscriber which I want to trigger before the entity is saved (to alter the title). But I can't figure why it doesn't work. I got back the projet, do the migration from D8 to D9. Is it ...
user104792
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1
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75
views
How can I invalidate cached field access grants for anonymous users?
We have a Drupal 8 application that uses an event subscriber class to validate IP addresses against a table of white-listed addresses on kernel requests, and adds that value to a session variable. ...
- 349
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1
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329
views
Why did my event subscriber suddenly stop working and how can I debug it? [closed]
I've been working on a module in which I'm subscribing to commerce_order.place.post_transition event. However, it suddenly stopped working. Any ideas how I can debug it? I tried Xdebug but it won't ...
- 568
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2
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119
views
hook_init() equivalent for console command
I have a module which subscribes to the kernel.request event to set some environment variables for use with LDAP. E.g. setting the LDAP_CACERT environment variable. I'm using it to replace hook_init() ...
- 121
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1
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148
views
Hide path on frontpage redirect
In a custom module i'm using an EventSubscriber to redirect different people to different frontpages. Below is the simplified code I'm using.
//GET PATH
$nid = 1;
$domain_url = \Drupal::service('...
- 1,058
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1
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172
views
Intercepting when a page is requested
I am trying to call a function every time a page is loaded. With Drupal 7, I used hook_init, now I'm using a subscribed event.
public function logRegEntry(GetResponseEvent $event) {
$request = $...
- 429
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2
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59
views
How to remove a role after a user adds a payment method in Commerce?
I am trying to set up a subscription-based site in Drupal 8/Commerce 2.
I'm using Commerce Stripe to process payments. I want to remove a role from a user ("needs to add new card" role) ...
- 27k
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1
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167
views
EventSubscriber returning correct content but status code is 404
As the title says, content is being returned correctly but the status code is 404.
I have checked the .htaccess file and the Apache config file as well. All seems to be fine.
I have the following in ...
- 43
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1
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1k
views
Send email to Commerce customer after order status is changed to Completed
I am attempting to develop a module that will send an email to a customer in my Commerce 2 store when that customer's order's status is updated to "Completed". I am basing my module off of ...
- 1,234
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1
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77
views
What is the "contract" for EventSubscriberInterface functions?
The EventSubscriberInterface can be used to listen for events, and getSubscribedEvents is used to announce which events an implementation would like to subscribe to.
The getSubscribedEvents must ...
- 1,149
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182
views
On entity save, identify the user fields that have been changed
I have a need to track changes to users in a separate database, apart from Drupal. When a user changes their email address or their password, I need to communicate that change with a shadow table in ...
- 25
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809
views
how to add an event subscriber when the user reaches the login form
I am new on Drupal 8 , I have implemented a hook 'hook_form_alter' in my module to add a new field to the login form , but now I want to handle it with the event , I want to trigger an event when the ...
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1
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165
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My site only listens to the event after I clear all caches
I have a module with an event subscribe that I use to redirect to an age verification page if a cookie is not set, and as long as the current request is not the age verification uri.
if(!isset($...
- 215
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113
views
Does drush stop events from firing and/or bypass event subscribers?
I'm running some migrations and have logic dependent on their Events
public static function getSubscribedEvents() {
$events[MigrateEvents::POST_IMPORT][] = ['onMigratePostImport'];
return $...
- 1,891
2
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2
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534
views
Which event should we subscribe to if we want code to be triggered when a new user registers?
I noticed that account.set is the event invoked for a user account.
I want to create an event subscriber which adds a callback invoked when a new user registers on the site. I am not sure whether ...
- 858
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1
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1k
views
How to implement StackMiddleware for a redirection correctly?
I'm working on a redirection (for unauthenticated users) for my Drupal 8 site. Currently, the redirection works however, the redirection persists even after user is authenticated. I found this article ...
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64
views
How to make EventSubscriber run on every page load? [duplicate]
Tripped up on how to make my EventSubscriber code run on every page load. In my src/EventSubscriber/RedirectAnonymousSubscriber.php file here's my code:
<?php
namespace Drupal\mymodule\...
- 81
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531
views
Redirecting Anonymous Users to external URL on Drupal 8 site
I am attempting to create a custom module that redirects anonymous/unauthenticated users away from the site. This site is only supposed to be used by admins, so in order to access it, they must type /...
- 81
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0
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99
views
Change system.404 path dynamically based on context
I have a site that makes use of the groups module to denote various locations all with their own content.
I'd like to give the ability to programmatically alter the system.404 path depending on the ...
- 81
1
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1
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103
views
adding new validation method using HookEventDispatcherInterface::FORM_ALTER event
I'm trying to add a new validation method for 'user_login_form' using HookEventDispatcher module and events:
class MyFormEventsSubscriber implements EventSubscriberInterface {
public static function ...
- 11
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1
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96
views
Don't cache custom Front Page domain
I'm working on a module that shows a different frontpage per role. I have three frontpages:
the base www.domain.nl for anonymous users, set in the basic site settings
for users with role_1 they go to ...
- 1,058
0
votes
1
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317
views
Looking for a way to trigger an event for testing custom event subscriber
I am looking for ways to trigger an event in my local dev to check out a custom event subscriber. The actual event is triggered by Google social auth and I don't think it is possible to do that ...
- 858
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0
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232
views
Bypassing page cache for Drupal events
I need some session verification code to be run on each request to Drupal. The most obvious solution that I have found was to use the EventSubscriber interface, and the KernelEvents::REQUEST event. ...
- 400
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21
views
Limit entity type/bundle for EventSubscriber inside services.yml?
I've got an EventSubscriber that I'd like to run for only a specific content type. Is there a way to do this from the services.yml file as an argument or something, or do I just need to check for the ...
- 1,891
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2k
views
Run code once on each page load
In the past there were some hooks, such as described here:
How to run check on each page load?
to execute arbitrary code on each page load.
Now this has been replaced with an event based approach. I ...
- 400
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1
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1k
views
Is it possible to override/replace an event subscriber?
I would like to replace an event subscriber.
Can I write a class that implements EventSubscriberInterface which replaces another event subscriber?
- 161
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1
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997
views
Event subscriber to invalidate a cache
I am invalidating a cache tag in KernelEvents::REQUEST event:
public static function getSubscribedEvents() {
$events[KernelEvents::REQUEST][] = ['onRequest', 100];
return $events;
}
public ...
- 3,541
3
votes
1
answer
685
views
How can trusted host patterns be set dynamically?
I'm working on a site which uses the Groups module that will allow users to create groups on the site. The site will then allow for users to point custom domain names at the site, with the content for ...
- 16.4k
0
votes
1
answer
52
views
Forward authenticated user to user.page on /login uri
If an authenticated user navigates to /login on a Drupal 8 site, she gets the "access denied" error. I want the site to redirect that user to /user (route user.page) instead.
Unfortunately my ...
- 2,536
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685
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How can I trigger the EntityTypeEvents::UPDATE event?
I tried to trigger event on each entity update. This is my src/EventSubscriber/MySub.php
use Drupal\Core\Entity\EntityTypeEvents;
use Symfony\Component\EventDispatcher\...
- 25
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51
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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1
answer
786
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\...
- 1