Questions tagged [dependency-injection]
Denotes questions regarding Magento 2 Dependency injection
57
questions with no upvoted or accepted answers
4
votes
0
answers
880
views
Magento 2 : When running integration tests, how can I override some of the dependencies that are injected?
I am running an integration test for Magento 2, but I am at a certain point that my integration test needs a different dependency than my production code. Without going too much into detail as to why, ...
- 12.2k
4
votes
0
answers
2k
views
Overriding or Extending Core Interfaces
I am trying to add a new getter and setter to \Magento\Catalog\Api\Data\CategoryTreeInterface.
I have created a new interface -
\Wildcard\CategoriesApi\Api\Data\CategoryTreeInterfaceand a new model -...
- 445
3
votes
0
answers
755
views
Magento 2 memory leak perfomance
I have a problem with the import data process.
First: I have used the factory creator to create a Model set data and save but the problem when I have 400k Item to save.
--- Constructor
\Magento\...
- 1,348
2
votes
1
answer
1k
views
Magento 2 : di.xml on custom param won't work
I've a class located in \Vendor\Module\Model which is named Test.
Here is the constructor of this class :
public function __construct(array $map = [])
{
var_dump($map);
die;
}
I created a di....
- 21
2
votes
1
answer
111
views
Magento 2: best practice building classes
I need some advice how to structure my code in magento 2.
I am working on an ERP interface to import and export products, customers and orders.
So I need some helper classes to take care of some ...
- 698
2
votes
0
answers
489
views
Speed up dependency injector compile
Since I have started developing with Magento 2 I've noticed, compiling the dependency injector with bin/magento setup:di:compile can take 40 seconds and up to 1 min 20s with xdebug enabled.
I have ...
- 231
2
votes
0
answers
94
views
Why is there a DI preference for ProductInterface?
The ProductInterface has a DI preference leading it the ProductModel. While ProductModel is marked as falling under the Backward Compatibility Standard (it is marked with @api), it is still belonging ...
- 1,639
2
votes
0
answers
85
views
Magento 2: Best practice create model class
First thing, I have a question on this topic Optimize load model memory
Then I have some questions for the best way to create a Model to load or save data to Database?
Could you please explain which ...
- 1,348
2
votes
1
answer
34
views
How does M2 know what to inject based on our _construct?
public function __construct(
\Magento\Catalog\Helper\Category $categoryHelper,
....
Let's say we have code like that. How does Magento know to inject category helper and lets us use it? It ...
- 119
2
votes
1
answer
1k
views
How can I inject data into a class using dependency injection XML?
I'm under the impression that we can inject data into classes using di.xml and the $data array dependency. I'm struggling with getting it working however. Am I not understanding the concept correctly? ...
- 1,243
2
votes
1
answer
386
views
Registering a shared service with a custom factory
I'm wondering how (if I can) register a shared service with a custom factory.
Consider the following code:
class MyApiFactory {
private $config;
public function ___construct(Config $config) ...
- 131
2
votes
1
answer
463
views
Magento 2 : How can I add an extra path to the DirectoryList
I want to be able to make Magento aware of an extra folder in my root called private_files. I thought I could do this by adding the following to my di.xml:
<!--
Make Magento aware of an extra ...
- 12.2k
2
votes
0
answers
133
views
How do I determine the class name of a model?
This may sound like a completely dumb question, however I have been scavenging the web for answers with no success.
If need to access a particular kind of model in Magento 2, such as a product model, ...
- 21
1
vote
1
answer
472
views
Magento 2 di.xml reuse array arguments
In Magento 2 di.xml we can inject an array to a class like this:
<type name="Vendor\Module\Model\Foo">
<arguments>
<argument name="data" xsi:type="array&...
- 184
1
vote
1
answer
2k
views
How to override Magento 2 graphql resolver with custom plugin
Im trying to override the resolver by using a plugin in Magento 2 to change text.
vendor/magento/module-quote/Model/CouponManagement.php - I need to change this
class ApplyCouponToCart implements ...
- 31
1
vote
0
answers
59
views
magento 2 is the position of parent::costruct() relevant?
I'm looking at Magento 2 core code. When Magento needs to extend a class, it creates a class with a constructor that calls the parent construct via the parent::__construct() method, something like ...
- 443
1
vote
0
answers
119
views
RequireJS module - abstract dependency injection in Magento 2
I am searching for a way to extend a JS file which is used as dependency in other JS files for the whole project. The file in use is Magento_Ui/js/form/element/abstract and I need to replace it with ...
- 145
1
vote
0
answers
39
views
Is it possible to retrieve dependency injected arguments in another class?
Is it possible to retrieve dependency injected arguments in another class?
For example, we have a class Vendor\Module\Block\Autocomplete.
// app/code/Vendor/Module/Block/Autocomplete.php
namespace ...
- 860
1
vote
1
answer
208
views
What is use case to for directly calling new in Magento2
I know you should now init object using new keyword as it surpasses the DI
But in few cases in core code is have observed the use of new keyword like in class module-catalog/Helper/Product
Do any ...
- 4,679
1
vote
0
answers
1k
views
How to resolve Circular Dependency when one Helper class is depends on other Helper Class
Having one module named Override\Search in which two helper classes are there.
1. Override\Search\Helper\Data.php
2. Override\Search\Helper\Util.php
Both helper are depends on each other, thus ...
- 2,065
1
vote
1
answer
128
views
Dependancy injection and shared/unshared object and cron job
Something interesting happens to Magento2 code and I cannot realise what I missed. The same code works flawlessly via browser and does not work via cron.
(in adminhtml area) I calculate the result in ...
- 36
1
vote
1
answer
52
views
magento 2 how dependency injection worked
I know this question is asked many time by another user but all of them describe "how we can use magento DI" ? they does not speak about how magento pass object that constructor method needed or how ...
- 855
1
vote
2
answers
42
views
DI not working as expected
I'm trying to get an instance of Magento\Cms\Api\GetBlockByIdentifier, however I am receiving a value of null.
I notice the CMS module defines a preference for this interface
vendor/magento/module-...
- 1,416
1
vote
0
answers
104
views
Magento 2 getting interface implementation from admin config
I have an interface which gives me the country in which the customer is located.
interface CustomerLocatorInterface
{
public function getLocalCountryCode();
}
And I have two possible ...
- 329
1
vote
0
answers
440
views
Circular dependency: Magento\Backend\Helper\Data depends on Magento\Backend\Model\Url and vice versa
I got error in magento 2 like
Circular dependency: Magento\Backend\Helper\Data depends on Magento\Backend\Model\Url and vice versa.
clearing var/di, var/generation and var/cache didn't help.
...
- 11
1
vote
3
answers
2k
views
Fatal error: Uncaught Error: Call to undefined method getDirectoryRead()
I have a controller that works and does what i need it to do if i manually add a path like: $mediaImages = '/magento/pub/media/images/';
But i cant get the DirectoryList injection to work, it returns ...
- 163
1
vote
1
answer
403
views
Only dependency assignment operations are allowed in constructor. No other operations are allowed
MEQP2: How to resolve below issue?
abstract class ClassName extends \Magento\Backend\App\Action
{
public function __construct(
...
\Magento\Catalog\Helper\Product $productHelper,
...
- 1,240
1
vote
0
answers
23
views
Class instatiation with data
I have created custom Factory class for my custom model class. Of course basically you can instantiate it by calling $this->objectManager->create(Someobject::class);. But, ObjectManage has also ...
- 2,943
1
vote
1
answer
2k
views
Injecting Guzzle with Parameters Magento 2
Writing some REST API bits and going to use Guzzle, which I have used many times before.
The issue I am coming across is, I know Guzzle has to take the configuration via parameters when constructing ...
- 663
1
vote
0
answers
825
views
Compile: Extra parameters passed to parent construct: $context
This has been asked a few times I know and I studied all of them and I also get the ieda what went wrong. However I cannot adapt those solutions to my issue.
I have a Class Post which extends \...
- 355
1
vote
0
answers
17
views
how dependency injection makes testing easier?
i read so many articles regarding di ,but there are no proper examples to understand in terms of testing.
i think so many developers don't have idea on usage of di in magento2.
anyone give one ...
1
vote
0
answers
964
views
Circular dependency: Magento\Framework\App\Action\Context
I have a custom module.
On 1 installation (all others work) I get the error, that there's a circular dependency.
YES: Magento\Framework\App\Action\Context is a dependency in my Controller because ...
- 1,723
1
vote
1
answer
52
views
Dependency Injection? Do not understand it, can anyone help?
I started to use Magento 2.x and noticed that the Mage "API" is no longer a reality, and red about dependency injection and factory but I did not understand what it is, what it does or where I write ...
user41363
0
votes
1
answer
68
views
How to remove the Deprecated property of __construct from Abstract Class using overriding or any other way
Error
main.ERROR: Deprecated Functionality: Creation of dynamic property
Magiccart\Magicproduct\Controller\Adminhtml\Product\Index\Interceptor::$_resultRedirectFactory
is deprecated in
vendor/...
- 140
0
votes
0
answers
181
views
Custom model save data processor DI/Reflection only working once?
I'm working on a simple FAQ widget module for a client and I seem to have run into something quite strange with the DI/Reflection cache.
My problem is with the Save controller action which uses a ...
- 1
0
votes
1
answer
180
views
Magento 2 cannot override 3rd party controller
Im trying to override a controller from swissup/firecheckout location in my vendor folder
my di.xml is
<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-...
- 143
0
votes
1
answer
371
views
How can I get the store code inside a block in the product page using the dependency injection?
I have to check which is the current store view. In order to do that I was using the Object Manager to get the store code like this:
$storeCode = \Magento\Framework\App\ObjectManager::getInstance()
...
- 205
0
votes
1
answer
158
views
How to get product attribute without using Object manager?
How to get product attribute of a product without using Object manager directly, since using Object manager is not recommended?
- 438
0
votes
1
answer
150
views
Magento 2 - Injecting a model into a class? How to?
I have a class where I'd like to inject a model into it, to use the code already created in the model. How would I go about doing this in my class?
Thank you.
- 281
0
votes
2
answers
129
views
Magento 2 - overriden class extending overriden class not working
I have overriden the class Magento\Catalog\Block\Product\ProductList\Upsell with my own Company\Base\Block\Product\ProductList\Upsell.
The class Magento\Catalog\Block\Product\ProductList\Upsell ...
- 3,330
0
votes
1
answer
1k
views
Override Helper in Magento2 - Vendor\Module\Helper\Data doesn't extends Magento\Framework\App\Helper\AbstractHelper
May be i'm missing something really small.
Here is a class Class1
namespace Vendor\Module\Helper;
class Class1 extends AbstractHelper
{
/** @var Client */
private $client;
/** @var ...
- 1,204
0
votes
1
answer
611
views
Injecting Helper causes "Undefined constant" and "'generated' directory permission is read-only"
When I inject the helper class it gives me the below errors.
If I remove the reference to the Helper class in the constructor then everything works perfectly.
controller file: /var/www/html/app/code/[...
- 11
0
votes
0
answers
86
views
Magento2 - Listen for order new comments
I am trying to create some kind of observer that will listen for new order comments and execute the function every time a comment is added.
I tried three ways that did not work for me:
Observer ...
- 152
0
votes
1
answer
395
views
Magento 2 email validation error with zendframework validator
I created an observer to send emails at a particular event. I used transport builder to send an email, but I get zendframework validator errors, but the email address is OK.
I was able to solve the ...
- 152
0
votes
1
answer
358
views
Weird error after Magento 2.2.6 update - Magento does not create ImageFactory class (and others)
After each an every try to update a particular Magento 2.2.5 installation (CE) to 2.2.6 we get the following error:
PHP message: PHP Fatal error: Uncaught Error: Call to undefined method Magento\...
- 747
0
votes
1
answer
400
views
DI Compile fails with "Area code not set" error
I'm trying to use the \Magento\Sales\Model\InvoiceOrder class to invoice some orders. If I include the class in my constructor, however, then I get the "Area code not set: Area code must be set before ...
0
votes
1
answer
126
views
Observer calling class in construct 500 error
I have an observer, which is working fine (after some effort on what is a Frankenstein website). However when I attempt to use my class in my construct it causes a 500 error (mode is developer, but no ...
- 367
0
votes
1
answer
462
views
Magento 2 Category Collection doesn't show items not in Top Menu
I am trying to display certain categories along with their images on homepage. I've made sure the categories dont appear in the top menu and only in the code that I am trying to use. Below code only ...
- 21
0
votes
1
answer
232
views
Magento Vagrant installation does not generate classes
I have switched to windows for a new project, and just setup Magento 2 using this vagrant box: https://github.com/paliarush/magento2-vagrant-for-developers
I have it working, it is displaying ...
- 151
0
votes
1
answer
90
views
Inject class for overridded class
I override the \Magento\Catalog\Block\Product\View it's working but I am trying to inject class means it's not working please tell me what I did wrong and tell me how to do this without injecting the ...
- 1,498