Avoid null pointer exception when storeId is not defined

[shavounet]

I have an issue that I can't exactly reproduce on a test environment... All I know, is once some setup has been done with virtual categories, I have a null pointer error on search results, coming from this snippet.

I've fixed this with the most logic code (and it works) for me, but I can't tell if something else should be done.
Feel free to send me feedback.

[romainruaud]

You are right, this issue has already been filled in #464 but we were unable to reproduce it.

However, I'm not really sure your fix is 100% safe, because calling getStore() in the back-office (ie when previewing Virtual Category) will probably return something wrong.

Do you have any complementary details about what is causing $store to be null at this step ? I can't figure out what could be happening, and it seems to occur on very specific setup which I am not able to reproduce for now.

Best regards, and thank you for submitting this request, we'll review it soon.

[shavounet]

Well my fix applies at the lowest level ; without it, it can only result in an error, so I don't think it can be worst. But maybe it's hiding the real problem...

[Koc]

@shavounet thank you for debugging this. Hope it will help me for fixing my issue, but I cann't check it now because my store locked with Magento 2.1.x and ElasticSuite 2.5.9 supports only 2.2.x