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Get an array of product.id that are in the cart – Shopify

I’m trying to cycle over all my product.id in my cart.
I have a various product with the same product.id but different line_item.

Example:

line.item[1]: productID 2756695130141

line.item[2]: productID 2756695130141

line.item[3]: productID 2756702765085

line.item[4]: productID 2756695130141

I want to know how many different productID I have (in this case, 2). How can I do this in Liquid/Shopify?

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3

Answers


  1. 0

    I think this code may help you

    {% for item in cart.items %}
      {{ item.id }} //This will return product id of items in cart
{% endfor %}

    Please write back if this is not the solution you are looking for.

    EDIT

    {% assign uniqueProductIdsArray= cart.items | map: 'id'| uniq  %}
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  2. 0

    Best way to do that is to use arrays. Because they have map and unique.

    This code will return array of unique product IDs

    {% assign uniqueProductIdsArray= cart.items | map: 'product_id'| uniq  %}

    This code will return concatenated string of unique product IDs

    {% assign uniqueProductIdsString= cart.items | map: 'product_id'| uniq | join: ', ' %}

    Documentation about Array filters in liquid: https://help.shopify.com/themes/liquid/filters/array-filters

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  3. 0

    // Best and easy solution

    {% for item in cart.items %}
    {{item.product.id}}
    {% endfor %}`

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