Simple Magento extension

Avg Bid (USD)
Project Budget (USD)
$30 - $250

Project Description:
Build a very simple magento extension that should be able to do the following :

1- Set the value of an attribute based on the combined quantity of a configurable product.
2-The combined quantity of a configurable product is the sum of quantities of its children.
3-The extension should allow you in the backend to control its behavior that includes setting the threshold and the attribute values.
4-The extension can be triggered from a cron job
Example :
Set the values of the attribute adwords_labels as follow:
if (combined quantity >= 7) = high
if (combined quantity >= 4) = mid
if (combined quantity <= 4) = low

Thats it.

The extension should have a run button in the backend for manual runs.
Of course everything should be open source.

Skills required:
Google Adwords, Magento, PHP, Software Architecture
Qualifications required:
us_eng_1 US English - Level 1
About the employer:
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