Odoo 9 - Feed XML Generator

Also, if you can't agree with the price, please do not sign in for this project at all. All the information inside the PDF. This should be somehow an easy module, since there is one free RSS Feed which can be used to this. So what we need in the module, is that it generates a XML file with our products in that format. But in the module, we need this options:  Select which Categorys / Sub-Categorys products will be included; o Ex: CCTV included, Services excluded.  Which frequency it generates the XML (customizable hours 1 to 24h, or recurring day time (using dates));