GraphQL Customer Newsletter Subscriptions are inconsistent in multi website setups

[pawel-siejba]

Customer type is_subscribed field value is taken from the customer website: https://github.com/magento/magento2/blob/2.4-develop/app/code/Magento/CustomerGraphQl/Model/Resolver/IsSubscribed.php#L52

When you're updating the subscription via createCustomer/createCustomerV2/updateCustomer/updateCustomerV2 mutation the subscription store is taken from the current store: https://github.com/magento/magento2/blob/2.4-develop/app/code/Magento/CustomerGraphQl/Model/Customer/UpdateCustomerAccount.php#L115

Preconditions (*)

1. Magento version 2.4.2(probably more)
2. At least 2 websites
3. Customer Global accounts enabled

Steps to reproduce (*)

1. Create customer account in the 1st website
2. Subscribe to newsletter from the 2nd website
3. Confirm your subscription

Expected result (*)

1. Customer can see that he's subscribed

Actual result (*)

1. Customer can't see that he's subscribed as the subscription data is taken from the website he created his account in, but the subscription is created for the website/store he was browsing from when updating the subscription.

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Please provide Severity assessment for the Issue as Reporter. This information will help during Confirmation and Issue triage processes.

• Severity: S0 - Affects critical data or functionality and leaves users without workaround.
• Severity: S1 - Affects critical data or functionality and forces users to employ a workaround.
• Severity: S2 - Affects non-critical data or functionality and forces users to employ a workaround.
• Severity: S3 - Affects non-critical data or functionality and does not force users to employ a workaround.
• Severity: S4 - Affects aesthetics, professional look and feel, “quality” or “usability”.

[m2-assistant]

Hi @pawel-siejba. Thank you for your report.
To help us process this issue please make sure that you provided the following information:

• Summary of the issue
• Information on your environment
• Steps to reproduce
• Expected and actual results

Please make sure that the issue is reproducible on the vanilla Magento instance following Steps to reproduce. To deploy vanilla Magento instance on our environment, please, add a comment to the issue:

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[magento-engcom-team]

✅ Confirmed by @Den4ik
Thank you for verifying the issue. Based on the provided information internal tickets MC-43013 were created

Issue Available: @Den4ik, You will be automatically unassigned. Contributors/Maintainers can claim this issue to continue. To reclaim and continue work, reassign the ticket to yourself.

[engcom-Bravo]

Verified the issue on Magento 2.4-develop branch and the issue is reproducible.

Preconditions (*)

1. At least 2 websites setup
   https://devdocs.magento.com/guides/v2.4/config-guide/multi-site/ms_websites.html
2. Customer Global accounts enabled
   https://docs.magento.com/user-guide/customers/account-scope.html

Steps To Reproduce

1. Create customer account in the 1st website

2. Sign in to 2nd website using same credentials

3. Subscribe to newsletter from the 2nd website

4. Confirm your subscription

5. Subscription can be seen in 2nd website

6. Go to 1st website MyAccount->NewsLetter Subscription. Subscription is not shown

[engcom-Alfa]

Hello @pawel-siejba
As I can see this issue got fixed in the scope of the internal Jira ticket AC-2797 by the internal team
Related commits: https://github.com/magento/magento2/search?q=AC-2797&type=commits

Based on Jira, target version is 2.4.5