Add afterGetList method in CustomerRepository plugin to retrieve is_s…

[enriquei4]

Description (*)

Its not possible to get "is_subscibed" (to newsletter) extension attribute when you retrieve the list of customers in the Customer Repository, and also in REST API.
I added a new method to getList to retrieve the subscription extension attribute.

Fixed Issues

#13252

Manual testing scenarios (*)

1. Register a New customer,
2. Subscribe it to newsletter.
3. Create a API rest integration.
4. Configure Postman or other REST client.
5. Create a GET call to the REST API like: http://MAGENTODOMAIN.lo/rest/V1/customers/search?searchCriteria[filterGroups][0][filters][0][field]=updated_at&searchCriteria[filterGroups][0][filters][0][value]=2018-03-21&searchCriteria[filterGroups][0][filters][0][conditionType]=gt

You wont get "extension_attributes" in the current implementation.

Contribution checklist (*)

• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• [] All new or changed code is covered with unit/integration tests (if applicable)
• All automated tests passed successfully (all builds are green)

[m2-assistant]

Hi @enriquei4. Thank you for your contribution
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[aleron75]

Hello @enriquei4, thank you for your contribution!

Due to Magento Definition of Done all code must be covered by tests.

For this specific case, you should cover your fix by automated tests with the scenario which leads to an issue.
Tests should fail on the mainline and pass with your fix.

Cheers!

[ihor-sviziev]

Hi @enriquei4,
Will you be able to update your PR and cover with tests?

[magento-engcom-team]

Hi @ihor-sviziev, thank you for the review.
ENGCOM-6945 has been created to process this Pull Request

[magento-engcom-team]

Hi @ihor-sviziev, thank you for the review.
ENGCOM-6945 has been created to process this Pull Request

[engcom-Alfa]

✔️ QA Passed

Before:

After:

[m2-assistant]

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