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Attribute entity

For supported attribute types (which are used in frontend_input), please refer to Magento Attribute Types Dev Docs However, only multiselect and select are currently used, every other type will be treated as if they were text and this is handled by core/modules/catalog/components/ProductAttribute.ts in vue-storefront.

Adding attributes

To add new attribute to your custom API you need to know how you're going to use it. In all cases you'll have to push new attribute specification to ElasticSearch. Format may vary depending on how you want to use them, however here are the most common cases.

1. Simply show attribute on product page

In that case the atributes/index endpoint should have the attribute returned as:all you need to do is return the

{
            "attribute_code": "supplier_note",
            "frontend_input": "text",
            "frontend_label": "Supplier note",
            "is_user_defined": true,
            "is_unique": false,
            "attribute_id": 123,
            "is_visible": true,
            "is_comparable": false,
            "is_visible_on_front": true,
            "position": 0,
            "id": 123,
            "options": []
        }

and then in the products/index product record:

{
    (...)
    "supplier_note": "Keep away from the sun. Store in below 0 temperatures",
    (...)
}

Unless you didn't define the supplier_note format in vue-storefront core/modules/catalog/types/Product.ts The value can also be an empty string "" or null.

2. Use attribute to filter products

Checklist:

  • For this to work, the filterable attribute frontend_input must be select in attributes/index endpoint
  • the attribute in attributes/index endpoint must have options node which needs to look like this:
"options": [
    {
        "value": 7,
        "label": "Pink"
    },
    {
        "value": 8,
        "label": "Gold"
    }
]

The value MUST BE integer type.

  • the product record on products/index must have the attribute value as integer type that matches the attribute option value field. So... Pink product would have
{
  (...)
  "color": 7,
  (...)
}

and 7 will be later converted to "Pink" by vue-storefront logic.

  • IF the product is configurable type:
{
  (...)
  "type_id": "configurable",
  (...)
}

and the color defines the product children, the parent product should have color set to null, and the products within its configurable_children should have the color value set.

  • If the product has children which are defined by color. Parent product should additionally have color_options node that defines color Ids of its children, e.g. if the product is available in pink and gold, it should have:
"color_options": [
    7,
    8
]

returned in it, where one row (Pink colored child) in configurable_children has

    "color": 7,

and the other (Gold colored child) has

    "color": 8,
  • if the product doesn't have the color set or available, the attribute should still be returned and the value should be null