I'm facing a problem with prestashop 1.7.4.2. I want to check if certain product ID is in cart before to allow customer proceeds checkout. If not, I want to display an alert.
In 1.6, I could achieve this with : {if !Context::getContext()->cart->containsProduct(784)} message {/if}
It doesn't work in 1.7.4.2...
Any help will be greatly appreciated ! Thanks a lot & cheers !
Camille.
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