Questions tagged [dependency-injection]
Use it for questions about implementing the software design pattern that implements inversion of control.
108
questions
3
votes
1
answer
170
views
How do I inject a dateFormatter servide into a service class named MyService?
I have a service class declared like this:
class MyService implements MyServiceInterface {
I want to get rid of a (working) call to a the static \Drupal::service('date.formatter') function and ...
- 15.1k
0
votes
1
answer
127
views
Inject a class as depency injection in a service
I just want to inject a custom module class A as a dependency injection for a custom service. I tried but I failed. Can any one please guide me. I'm using Drupal version 10.
Here is my code.
moduleb....
- 103
2
votes
1
answer
147
views
Creating your own Node Entity Normalizer
I am trying to create my own Node Entity Normalizer in Drupal 10 to get rid of the unnecessary JSON structure that comes out of the box. For example, instead of my API's returning
{
"nid": ...
- 301
-1
votes
1
answer
77
views
How to learn the context for using methods provided by the Drupal API
I am trying to use the code example provided by this accepted answer – and failing. In this particular case it seems that it is necessary to know two things in order to successfully use this code, ...
- 15.1k
1
vote
1
answer
299
views
How to use dependency injection to load node data?
In a basic Controller class, I tried to load node data using the code from this accepted answer. I.e:
$nid = 1;
$node_storage = $this->entityTypeManager()->getStorage('node');
$node = $...
- 15.1k
0
votes
2
answers
139
views
How to create a service for the class with constructor arguments from a vendor package class?
I am trying to inject class from FFMpeg
in my custom service of a module.
But the class has two constructor arguments.
So how can I pass those arguments in my custom service.
my_module.services.yml
...
- 1,705
1
vote
1
answer
851
views
Why does the error 'You have requested a non-existent parameter "site.path"' occur on module configure buttons?
When I click some configuration buttons for example in layout builder UI or the following buttons.
I get the following error in admin/reports/dblog
Symfony\Component\DependencyInjection\Exception\...
- 13
-1
votes
1
answer
451
views
Argument #1 ($config_factory) must be of type Drupal\Core\Config\ConfigFactoryInterface, array given
I'm writing a new module for the community and I have this error and I'm not understand what's going on.
The error:
Mensaje TypeError:
Drupal\view_mode_by_owner_role\Functors\ListOfNodeBundles::...
- 966
2
votes
1
answer
320
views
Difference between ContainerInjectionInterface and ContainerFactoryPluginInterface?
Both ContainerInjectionInterface and ContainerFactoryPluginInterface provide a create() function and are used for dependency injection.
I would like a clear description of their differences and their ...
- 516
2
votes
1
answer
435
views
How to do dependency injection for ConstraintValidator?
After upgrading to Drupal 10, running the coding standards check suggested that I could use DI in my validation constraints.
For example, this simple one:
<?php
declare(strict_types=1);
namespace ...
- 28.1k
0
votes
1
answer
172
views
How to use a Controller method inside a service with dependency injection?
I'm using the diff module for a project, this module has a method inside a Controller that I want to use in a service to reuse code. As this time I'm just calling the method like ...
- 18.3k
0
votes
1
answer
214
views
AliasManagerInterface -deprecated Drupal\Core\Path\AliasManagerInterface
Error:
The website encountered an unexpected error. Please try again later.
TypeError: Argument passed to Drupal{module name}\Theme{class
name}::__construct() must implement interface
Drupal\...
- 11
0
votes
1
answer
670
views
getStorage() on null when using entityTypeManager in form
I'm trying to use dependency injection correctly in a custom form but I'm getting an error when trying to access entityTypeManager.
<?php
namespace Drupal\my_module\Form;
use Drupal\Core\Form\...
- 534
2
votes
1
answer
396
views
how to extend existing drush command class
Can anyone please let me know how to extend existing drush command class.
I am writing a custom module which provides custom content entity and created a devel generate plugin similar to ...
- 1,705
0
votes
1
answer
967
views
The service "redirect.request_subscriber" has a dependency on a non-existent service "path_alias.manager"
We have inherited a Multisite Drupal setup and are managing the migration for a client. We have the codebase set up locally and have two of the sites up and running. We are hitting an error on the ...
2
votes
1
answer
232
views
Dependency injection in FieldItemList
I'm creating a few custom classes that extend FieldItemList and they need some services injected.
I've had a look at core classes that extend that class and none of them do dependency injection, they ...
- 708
1
vote
1
answer
1k
views
TypeError: Argument 1 passed to ........ ::__construct() must implement interface Drupal\Core\Cache\CacheBackendInterface, array given, called in
I'm getting an error when I wrote the code using Dependency injection:
TypeError: Argument 1 passed to Drupal\sydneypro_exchange_rates_block\Plugin\Block\ExchangeRatesBlock::__construct() must ...
- 11
-1
votes
2
answers
192
views
Dependency injection in create() method of block plugin with derivatives
I am trying to extend the menu_block module to allow it to work with domains (via the domain module). In order to do this I am extending the MenuBlock class, and trying to access the domain.negotiator ...
3
votes
2
answers
2k
views
"RuntimeException: You have requested a non-existent parameter 'app.root'"
After I clear the cache, I get this message.
Symfony\Component\DependencyInjection\Exception\RuntimeException: You have requested a non-existent parameter "app.root". in Symfony\Component\...
1
vote
2
answers
302
views
How can I inject dependencies based on conditions?
I am creating one custom form and in this form I need to use one service which are there in another module. I need to use that dependency injection based on condition which are there in configuration.
...
- 223
0
votes
2
answers
318
views
How do I use DependencySerializationTrait?
I'm on Drupal 9. I'm trying to edit the ProductVariationAccessControlHandler class of Commerce.
The class extends Drupal\Core\Entity\EntityAccessControlHandler which in turn extends the abstract class ...
- 897
2
votes
1
answer
970
views
Which is better way of injecting service to controller with __construct or $instance = parent::create($container)
I'm always using this way of injecting service to controller:
<?php
namespace Drupal\TestModule\Controller;
use Drupal\Core\Controller\ControllerBase;
use Symfony\Component\...
- 27
2
votes
1
answer
412
views
Can I use the session service directly instead of via the request?
The Drupal documentation on sessions mentions that sessions can be accessed via the Request object:
Session data is accessed via the
\Symfony\Component\HttpFoundation\Request::getSession() method, ...
- 8,379
1
vote
2
answers
667
views
Injecting a NEW instance of a service into another service class
I have a service (for sending error alerts) which is used by multiple other services.
The alert service is injected into those classes via the relevant services.yml files and through their ...
- 463
0
votes
0
answers
81
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
1
vote
2
answers
2k
views
How to solve this error "Class \Drupal\simple_sitemap\Controller\SimpleSitemapController does not exist"
I got this error which is kind of surprising to me since I don't have it on my local environment. What I did is that I compressed the project directory and uploaded it to my cpanel file manager and ...
- 13
1
vote
1
answer
236
views
Return a Closure from a Factory
I have services that depend on request information. I'm trying to create a Factory Factory which will have the Dependency Injection container returns a factory (an anonymous function) that will create ...
- 111
0
votes
0
answers
302
views
Use Injected CacheBackedInterface to invalidate certain bin
I've got a content type called SERVICE (I write it all capitalized to prevent mixture with drupal service) which admin can introduce different SERVICE using this type, it is expected that these ...
- 3,039
2
votes
1
answer
2k
views
Calling a Method from another Module's Class [duplicate]
I'm dumb and this is embarrassing, but I'm trying to figure out how I properly use a method from a class in other parts of my code. I need to understand the Drupal way, if not just the php way.
I have ...
- 522
1
vote
1
answer
152
views
New module service is dependency on old module service - The service has a dependency on a non-existent service
I have a new module moduleB. It defines a service that is used in the dependency injection of moduleA.
moduleA is already enabled, its changes are just to the services definition. The info.yml has ...
- 752
0
votes
0
answers
124
views
Discover custom services with drush generate
When I create a module and a custom service with drush generate and then create another service, also with drush generate, the first one is not available to inject.
What is missing to make it become ...
1
vote
1
answer
96
views
Missing proxy classes when container compiles custom ExtensionPass
Context
I try to find a way to integrate Webpack Encore into Drupal. Since we can't use Symfony Bundles in Drupal I want to port the bundle to a custom Drupal module.
What I have done so far
To ...
- 11
1
vote
1
answer
672
views
How to inherit base class dependencies without redefining theme in child class service arguments?
The current system
I have a set of services classes that extends the same base class ex:
class NodeHandler extends ContentEntityHandlerBase {}
class ParagraphHandler extends ContentEntityHandlerBase {}...
- 740
2
votes
1
answer
970
views
How to inject an object into a service?
I need to do a couple of things:
Inject guzzle's httpclient into class A
Inject class A into my service
What I've tried so far:
services:
my_module.field_fetcher:
class: Drupal\my_module\...
- 27
1
vote
1
answer
1k
views
How to check config setting in custom service class with dependency injection?
In a custom Service class, I need to check a config setting.
I'm able to do this using \Drupal::config(static::SETTINGS) as documented here: https://www.drupal.org/docs/drupal-apis/configuration-api/...
- 2,102
0
votes
1
answer
254
views
Replace \Drupal::service with Dependency injection in FieldWidget class
I have created an ajax callback inside a custom Field Widget plugin. In the Ajax callback I have called a custom service using
$service = \Drupal::service('service.name')
I am using phpmd to clean ...
- 886
2
votes
2
answers
151
views
What good is the create() method? [closed]
Most classes are instantiated using create($container) and __construct(...$services) in conjunction, it seems that the more efficient workflow would be to simply pass the container to the constructor ...
- 686
6
votes
1
answer
1k
views
What is the right way of loading a service?
when trying to use a service in drupal actually there is 3 ways , what is the preferred way to use a service and why :
passing dependencies directly through the constructor:
public function ...
- 740
4
votes
0
answers
1k
views
How can I use TwigExtension from an existing symfony bundle?
UPDATED
Context
I'm using Symfony Webpack Encore to take care of all the JS and CSS postprocessing, transpiling and so on...
There are different ways to implement webpack, even a module, Webpack ...
- 3,523
2
votes
0
answers
57
views
How do I mock a service when using BroswerTestBase? [duplicate]
I am trying to use BrowserTestBase to write a functional test for a Form. The form populates some form elements with data retrieved from an external site. The client for this external site is injected ...
- 121
0
votes
2
answers
2k
views
How can I inject container to a class with constructor having arguments?
Fatal error: Declaration of Drupal\migrate_upgrade\MigrateUpgradeDrushRunner::create(Psr\Container\ContainerInterface $container, $options = Array) must be compatible with Drupal\Core\...
- 4,359
0
votes
1
answer
98
views
How to use service container correcly?
I want to use service container inside my class so I have this this:
class SomeController extends ControllerBase {
protected $entityTypeManager;
protected $requestStack;
public function ...
- 1
1
vote
1
answer
294
views
Form state cache breaks dependency injection [duplicate]
I have a class that extends FormBase and there are 6 services that are injected into the class via Dependency Injection (DI). My problem is when I submit the form it says to a class property that ...
- 648
1
vote
1
answer
1k
views
How to call method of controller in .module file with dependency injection
I have class named Book.
class Popups
{
private $entityQuery;
private $entityTypeManager;
public function __construct(QueryFactory $entityQuery, EntityTypeManagerInterface $entity_type_manager)...
- 155
-1
votes
1
answer
356
views
What is the logic of create method in ContainerInterface class & its argument when being used and how its related to argument of the construct method?
<?php
namespace Drupal\custom_changes\Plugin\Block;
use Drupal\Core\Block\BlockBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Symfony\...
- 4,359
5
votes
3
answers
2k
views
How do I instantiate a custom class with dependency injection?
I am relatively fresh to the DI party and am struggling to get my head around how exactly to use Dependency Injection.
I understand that I can pass requirements as part of a service, but what about in ...
- 662
0
votes
1
answer
250
views
how to extend FormBuilder::processForm from multiple API endpoints in one class
I'm trying to consolidate my form processing by entity_type, without rebuilding the forms (just using the default forms provided by Drupal.
I have dynamic routes pointing to a _controller::method. I'...
- 374
1
vote
0
answers
738
views
dependency injection by using $this when not in object context
if i´m using the codesniffer function i´m getting two warnings about:
155 | WARNING | \Drupal calls should be avoided in classes, use dependency injection instead
If i´m changing the line from:
$...
- 35
1
vote
2
answers
1k
views
How do I inject UserInterface into Access Control?
I am trying to create a custom access control in my custom module in Drupal 8.
But I am having issues in achieving it.
I cant find a proper way to inject UserInterface class in access method.
...
- 1,705
1
vote
1
answer
2k
views
Problem in dependency injection in drupal custom module service
I face with a problem in defining service in drupal 8.0
my service is :
services:
tracking.middleware:
class: Drupal\mkt_tracking_v2\Middleware\TrackingMiddleware
arguments: ['@kernel','@...
