Here are a few question-based titles that fit the article content: * How to Create Dynamic Product Attributes in Magento Checkout? * Adding User Input Based Product Attributes to Magento Orders: A Co

Magento - Quote/Order Product Item Attribute Based on User Input

Summary

This issue addresses the need to create a customized product attribute that can be dynamically added to products by users during the checkout process, but is not visible in the product edit page or attribute sets. This attribute should be captured, validated, and stored with the quote/order item, and be displayed on invoices, orders, and other relevant documents.

Event Observer for Quote Item Manipulation

The first step is to capture and store the custom attribute on the quote item. This can be achieved with an event observer for the catalog_product_load_after event. The observer can retrieve the POSTed data from the extra_options parameter and add it as a custom option named additional_options to the product model.

Additional Options to Order Item

Magento automatically transfers the additional options from the product to the quote item. To ensure that the options persist after checkout, another event observer can be used to move the options from the quote item to the order item during the sales_convert_quote_item_to_order_item event.

Support for Reorders

If the custom attribute needs to be preserved when reordering, an additional event observer can be created for the checkout_cart_product_add_after event. This observer can add the custom options to the quote items during the reordering process.

Display on Orders and Reports

The additional options can be displayed on invoices, orders, and other documents by overriding the appropriate templates, such as app/design/frontend/base/default/sales/order/view.phtml. Custom logic can be added to these templates to fetch and display the additional options.

Filtering Order Collections

To filter order collections based on custom attribute values, a custom resource model can be created to extend the sales/order resource. This resource model can be used to fetch orders with specific custom attribute values by overriding the _loadOrders method.

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