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I have a problem in a product collection that I need to filter. I have a multiselect list with countries. When a selection is made the products need to be hidden from these countries.

$collection->addAttributeToFilter('available_not_for_countries', array(array('nin' => $billingCountry),array('null' => true)));

I know I need the opposite of finset like NOT FIND_IN_SET but I have no idea how to create the new Zend_Db_Expr for this in this filter.

  • What is the type of $billingCountry? Is it array? Or a string with comma-separated values? – Roman Snitko Nov 16 '18 at 11:25
  • available_not_for_countries is a multiselect attribute. $billingCountry is the default-billing address country of a logged in customer. So this can be "DE","ES" etc. – user1895954 Nov 16 '18 at 12:20
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Try this one:

$collection->getSelect()
    ->where('NOT FIND_IN_SET(?, available_not_for_countries)', $billingCountry);
  • It's not working as $billingCountry is not comma seperated. But returns one value like "DE" or "BE". The attribute "available_not_for_countries" returns a multiselect of countries where products should not be visible. So based on the billingaddress country we know if we can show a product or not. – user1895954 Nov 16 '18 at 14:13
  • Okay, so $billingCountry is a string and "available_not_for_countries" is a comma-separated list of countries? eg. "DE,BE" ? – Roman Snitko Nov 16 '18 at 14:23
  • Yes indeed. As an example. I also have this filter and it works perfect: ->addAttributeToFilter('available_for_countries', array(array('finset' => $billingCountry),array('null' => true))); However the opposite of finset isn't available in Magento2 like you can see here: magento.stackexchange.com/questions/151142/… – user1895954 Nov 16 '18 at 16:22
  • Can not use the answer field. (someone help?) so here is the answer: I solved it thanks to the example of @Giel Beelen his feedback on: magento.stackexchange.com/questions/151142/…. My final result was: ->getSelect()->where( new \Zend_Db_Expr( sprintf('NOT FIND_IN_SET(%1$d, available_not_for_countries) OR available_not_for_countries IS NULL', $billingCountryNav ) ) ); – user1895954 Nov 18 '18 at 0:01

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