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Bypass custom options checks for bundled child items #3995

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Bypass custom options checks for bundled child items #3995

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Bypass custom options checks for bundled child items
May 14, 2024
d566032
Merge branch 'main' into fix-additional-bundled-quote-item-bug
sreichel Jan 11, 2025
8c07451
Merge branch 'main' into fix-additional-bundled-quote-item-bug
addison74 Sep 27, 2025
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addison74 Sep 29, 2025
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7 changes: 7 additions & 0 deletions app/code/core/Mage/Sales/Model/Quote/Item.php
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Original file line number Diff line number Diff line change
Expand Up @@ -451,6 +451,13 @@ public function representProduct($product)
if ($this->getParentItem() !== $stickWithinParent) {
return false;
}

/**
* Bypass custom options checks for bundled child items
* This prevents cases of adding an additional child item to the quote
* when an existing child product is modified while the bundled item is in a cart
*/
return true;
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@fballiano fballiano May 16, 2024

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is it possible that a product that's not simple gets here? I mean, are we sure that there's no other case that needs to proceed to the compareOptions part?

this is a though one

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@mattdavenport mattdavenport May 16, 2024

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Yeah this is indeed a tricky bug. Compare items looks at a few keys, excluding buyRequest as shown in the same file:

    /**
     * Not Represent options
     *
     * @var array
     */
    protected $_notRepresentOptions = ['info_buyRequest'];

The goal of the function is to match a newly added product with an existing item in the quote. I don't think a simple product will ever make it to this block, because at this point we've checked:

  • Does the product have a parent product?
  • Does the parent product match the 'child' product we're currently working with

If nothing has changed in the quote_item_options for the particular child, there is no point in comparing options anyways. However in the case where a customer re-adds an item that was existing after a product change, we may have some discrepancies. To add context here, this is an example of the option failing for the bundled product that caused this bug: a:4:{s:5:"price";d:126.5;s:3:"qty";d:2;s:12:"option_label";s:22:"CHILDSKU";s:9:"option_id";i:89;}

There isn't much metadata there, but the price alone causes compareOptions to fail, indicating that this is a new unmatched product and should be added to the quote. I'm definitely open to other suggestions here, as we admittedly aren't heavy users of bundled/configurable products. The other solution of setting the options directly the $product model's options might work, but perhaps would cause issues on child products with user-defined quantities.

}

// Check options
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