Questions tagged [symfony-services]
The symfony-services tag has no usage guidance.
49
questions
2
votes
2answers
59 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 ...
4
votes
1answer
115 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 ...
3
votes
0answers
111 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 ...
0
votes
1answer
54 views
Why all core services cannot be registered in core.services.yaml?
DrupalKernel
Building of Dependency Injection Container and registration of Service Providers Core provides the CoreServiceProvider, which, in addition to registering any core services that cannot ...
1
vote
0answers
50 views
Get all services that are tagged with a specific tag in *.services.yml
Is there an easy (supported) way to programatically get all services in Drupal 8 that are tagged with a specific tag?
For example getting all services that are tagged with "breadcrumb_builder" tag
...
1
vote
2answers
293 views
How can I make a response cachable by browsers?
I am working on a Drupal Controller implementation that would return a generated image as response. I used Symfony's Response and I was trying to add ETag header to it:
use Drupal\Core\Controller\...
1
vote
0answers
76 views
Why is @? used when referring router.request_context?
In core.services.yml we have:
calls:
- [setContext, ['@?router.request_context']]
But router.request_context is also defined in core.services.yml (and it depends on request_stack alone which doesn'...
0
votes
0answers
42 views
Update Symfony before Drupal core?
Right now there are some security updates for Symfony:
curl -sS https://get.symfony.com/cli/installer | bash
echo y | ~/.symfony/bin/symfony self:update
~/.symfony/bin/symfony security:check
Symfony ...
1
vote
1answer
186 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','@...
0
votes
2answers
227 views
Add parameter to the URL based on a field value
Is it possible to append a campaign tracking code to the requested URL basing on a specific field value on the linked node? I'm trying to use a path_processor_outbound service, but it doesn't work ...
2
votes
0answers
268 views
How to get environment variables in a service container? [closed]
According to the Symfony documentation, env() parameters were introduced in version 3.2, allowing to use environment variables in service container configuration:
# app/config/config.yml
doctrine:
...
0
votes
1answer
127 views
Instantiate Controller with Interface not concrete class [closed]
As background, I am rebuilding some old code and want to wrap all the curl based requests in an interface (HttpRequestInterface) so I can swap that out later without having to write all the api calls ...
1
vote
1answer
71 views
How to define event listener in the service?
In Drupal 8 is possible to use event subscriber that is the separate class that defines the callback that should be called on the defined event. See Event Systems Overview & How To Subscribe To ...
1
vote
2answers
2k views
How can I log(watchdog)?
In D7 is used to log using Watchdog function. In D8, I see its gone and I should use something called the logging API.
What I a trying to do:
I have created a menu/route, mysite.com/logmessage
When ...
0
votes
1answer
951 views
InvalidArgumentException: Cannot redirect to an empty URL. in Symfony
Pages are not shwoing up. They display the follwoing error:
InvalidArgumentException: Cannot redirect to an empty URL. in Symfony\Component\HttpFoundation\RedirectResponse->setTargetUrl() (line 86 of ...
3
votes
1answer
247 views
How can I inject a different service in an existing one, i.e. exchange one already injected service by an own one?
The basic authentication provider service uses the user.auth service:
basic_auth.authentication.basic_auth:
class: Drupal\basic_auth\Authentication\Provider\BasicAuth
arguments: ['@config....
0
votes
2answers
1k views
Dependency injection or \Drupal class methods?
Suppose I have an ExampleService class and I need a service (current_user) to process my logic. So I have implemented my service like this.
The way 1: DI standard Drupal
namespace Drupal\...
1
vote
1answer
127 views
How to instantiate a service inside ServiceProvider?
I need to instantiate a service inside ServiceProvider.
At that point the container is not built.
Any ideas or useful links?
<?php
namespace Drupal\my_module;
use Drupal\Core\...
1
vote
0answers
740 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 ...
11
votes
2answers
2k views
When should I create a service or a utility function?
I had this question in mind along all the last week: When I should create a service or an utility function?
In the Drupal Core we have both Services and Utility functions, but I can't find the ...
4
votes
1answer
1k views
how to unit test an http client service with DI in drupal 8?
I have a service the consumes data from an external source. I would like to unit test the service and I am not sure how to get the test set up. To start with I would like to just test 1 method. Here ...
1
vote
1answer
54 views
Can a Event Service be coupled to a route
I have created a custom service and have hooked into the "event_subscriber" via tags in my custom service.yml
demo_api.exception_handler_subscriber:
class: Drupal\demo_api\Response\Handler
...
4
votes
1answer
1k views
How to inject a service in another service?
I am building a custom service, a membership service.
This service can be called from a controller.
But what I don't seem to get working, is to use another service, the QueryFactory, to use in that ...
8
votes
4answers
14k views
How do I set up CORS?
Drupal 8 has RESTful web service in-built in core and since 8.2 we don't need cors module.
Now to use services we just enable and configure default.service.yml file as specified in here
However, I ...
2
votes
0answers
86 views
Design help for serialized classes that need database access
I want to convert from \Drupal::database() to dependency injection.
I'm not 100% certain how to move forward with a refactor I know I have to complete. Currently I have a series of custom classes ...
4
votes
2answers
437 views
When should I use DependencySerializationTrait?
I have noticed that some classes contain the following line:
use DependencySerializationTrait;
I know this trait is used for serialization, but I don't get when to use it and what kind of classes ...
1
vote
1answer
340 views
Inject a service inside a block
I need to inject a service inside a block. Since I need some logic before displaying the block, it feels dirty to do it inside the block itself, not to mention it's not actually related to the block ...
1
vote
2answers
3k views
Get state list of a country
In drupal 8 we can get country list using following code.
$countries = \Drupal::service('country_manager')->getList();
But how can I programatically get the list of state of each country?
0
votes
1answer
3k views
How do I pass parameters to a service?
How can parameters be passed to service? I have a class that I would like to change to a service and load other services from the container. What I don't understand is how to deal with other ...
4
votes
5answers
4k views
Get the list of available services
Is there a way to get the list of the available services in Drupal 8?
1
vote
2answers
307 views
Service provider not loaded
I have:
services:
entity.query.external:
class: Drupal\m_entities\Entity\Query\External\QueryFactory
arguments: ['@plugin.manager.my_entity_storage_client', '@my_entity.storage_client....
0
votes
1answer
217 views
Service event_subscribe before path_processor_inbound
I have ha service with tag: event_subscribe (KernelEvents::REQUEST) with priority 30 and in the same module a service path_processor_inbound with priority 29
The problem is: in event_subscribe ...
0
votes
1answer
379 views
How to resolve my warning in my custom service?
I am getting the following error:
Warning: Missing argument 1 for Drupal\custom_forms\Service\CustomFormsService::__construct(), called in /drupal/docroot/core/lib/Drupal/Component/...
6
votes
1answer
4k views
“\Drupal::$container is not initialized yet. \Drupal::setContainer() must be called with a real container.”
I am attempting to write a PHPUnit test for a service of mine.
My test looks like the following.
class CustomServiceTest extends UnitTestCase {
public function testDefaultBehavior() {
$...
1
vote
1answer
40 views
Using a Service to expose better getter methods for a Node instance
Currently we use a Service that takes an NodeInterface object as an argument and then gives back a value, i.e:
public function iFullyBooked(NodeInterface $node) {
$fully_booked_field = $node-&...
1
vote
1answer
438 views
Create service with argument
I have class like this:
<?php
namespace Drupal\mymodule;
use Drupal\comment\CommentInterface;
use Drupal\comment\CommentManagerInterface;
use Drupal\comment\CommentStorage;
use Drupal\Core\...
2
votes
1answer
311 views
The path_processor_outbound service only work after clearing the cache
I tried overwrite all links from my site in Drupal 8 in accordance with a URL parameter.
I use the service path_processor_outbound and implemented the processOutbound() method, extending the ...
1
vote
1answer
71 views
How to properly inject services into other services
I'm trying to figure out how to inject Drupal services into a custom service class. The class in question is my MenuService which builds an associative array of menu items which will be encoded to ...
6
votes
1answer
784 views
Why isn't my service found?
I'm trying to load a service into my Drupal module, but even after checking twice whether I did something wrong, I can't seem to find any error in my code as I did everything as the documentation said ...
0
votes
2answers
170 views
Concept of services, tags, and arguments [closed]
I defined a service using the following code.
services:
redirect.repository:
class: Drupal\redirect\RedirectRepository
arguments: ['@entity.manager', '@database', '@config.factory']
...
8
votes
6answers
6k views
How to get ip address?
I used the following code:
services:
foo:
class: Drupal\MYMODULE\Foo
arguments: ['@request']
In MYMODULE/src/Foo.php
namespace Drupal\MYMODULE;
use Symfony\Component\HttpFoundation\...
0
votes
0answers
311 views
Class not loading
For my module cloudinary_storage_db I have a cloudinary_storage_db.services.yml with the following:
services:
cloudinary_storage_db:
class: Drupal\cloudinary_storage_db\CloudinaryStorageDb
...
0
votes
1answer
405 views
how to load 2 services (or more) through dependency injection
if i have 1 service, i can load my service through dependency injection like:
class MyForm extends FormBase {
protected $coreService;
/**
* Class constructor.
*/
public function ...
1
vote
1answer
76 views
Service function is not calling
I am trying to validate a key, which I am passing as url argument using service. But service function is not calling.
It's giving "Access denied" error. Am I missing something?
My sample code is:
...
1
vote
2answers
2k views
how to access configuration module from service
I have module config, something like:
modulename.config.yml:
modulename:
core_address: 107.101.xx.yy
core_port: 153759
core_user: superuser
core_pass: superpass
And I have module service, ...
2
votes
2answers
1k views
How do I build Breadcrumbs for a certain node?
In a node preprocess hook I am getting breadcrumbs for the currently viewed node by doing the following:
$vars['breadcrumb'] = Drupal::service('breadcrumb')
->build(Drupal::routeMatch())->...
2
votes
1answer
287 views
Custom version of DateFormatter service
I want to create a slightly different version of the formatInterval function. Normally I do this:
echo \Drupal::service('date.formatter')->formatInterval($seconds);
I want the final string to say ...
3
votes
1answer
1k views
Is it possible to pass configuration values as arguments to services?
I'm writing a module that makes calls to a Web service to read and store data.
Here's my services.yml file:
services:
example.connection:
class: Drupal\Core\Http\Client
I've already a ...
8
votes
1answer
346 views
How to change core's default services
Dependency Injection is added to core, but there's no documentation to tell how developer can alter the default services. For example, I would like to change cache.bootstrap class to APC Caching.
