Retrieve Custom Stock Product Quantity in Magento 2.3

Описание: Discover how to efficiently get the product stock quantity by stock ID in Magento 2.3, along with a step-by-step guide on customizing your code for better inventory management.
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This video is based on the question https://stackoverflow.com/q/70050257/ asked by the user 'mariobros' ( https://stackoverflow.com/u/664457/ ) and on the answer https://stackoverflow.com/a/70096317/ provided by the user 'Surbhi Doshi' ( https://stackoverflow.com/u/6657665/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Retrieve Custom Stock Product Quantity in Magento 2.3

When working with inventory in Magento 2.3, you might find yourself needing to retrieve product quantities for specific stock identifiers. The default stock management usually returns data based on stock ID 1, which can be limiting. If you’re looking to enhance your product management capabilities, this post will guide you on how to access stock levels for any specified stock ID.

Understanding the Need

Imagine that you are managing a store that operates with multiple stocks – for instance, one for online sales and another for physical stores. The default code you may be using usually fetches quantities from stock ID 1, which might not always serve your needs. Here's a common example of the initial code you might start with:

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This code successfully retrieves and displays product stock information like so:

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However, what if your stock data resides under stock ID 2? The solution lies in utilizing a different approach that aligns with the specific stock ID you’re interested in.

The Solution

To retrieve the product quantity for a given stock ID, you can use the StockStateInterface. This interface allows you to access stock levels dynamically without being limited to the default stock ID. Here's how to adjust your code:

Updated Code Example

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Code Explanation

Object Manager: The first line fetches the singleton instance of Magento's object manager, a key component for accessing services in Magento.

Product ID: Here, productId = 1 is a placeholder. You should change it to the ID of the product you're interested in retrieving the stock for.

StockStateInterface: Using this interface, your code calls the getStockQty() method, which queries the stock levels across the different stock IDs.

Benefits of This Approach

Flexibility: This method allows you to easily switch between different stock IDs as needed.

Accuracy: You receive the actual stock level for the specified product in the desired warehouse or stock location.

Efficiency: Streamlined access to varying inventory levels supports better decision-making and inventory management practices.

Conclusion

Managing inventory effectively is crucial for any eCommerce business. By leveraging Magento 2.3's capabilities, you can customize your product quantity retrieval processes to be more aligned with your operational needs. This not only enhances your inventory oversight but also strengthens your overall business strategy.

With these code snippets and explanations, you can efficiently access and manage your product stock quantities tailored specifically to your business needs. Don't hesitate to experiment with the code and see how it improves your stock management systems!