Update formulas in Odoo based on business requirements

Question

We are struggling to better handle the following issue:
1. Our client constantly update / change the requirements for formulas used to calculate values inside Odoo.
For instance: insurance was calculate as (price of the product * 10%), now it is calculated as (price of the product * 10% + Tax). Of course this is a very basic example, but the issue in general it's this: updating the formulas accordingly to the business requirements.
2. For every time the client changes the formulas, we have to ma

Bruno Gianezi Gomes · Answer

Thanks for your collaboration Khashayar.
The idea in general could be user from the payroll salary rules model of odoo, however the formulas are kind of complex with a lot of "if" conditions and "vlookup". I would rather use the excel template for that. It would give me more flexibility to perform the formulas in a easy way.
After some research, we found a library which interpreter the excel formulas:
http://ewbi.blogs.com/develops/popular/excelformulaparsing.html
I post an update as soon as we

Khashayar Dadashzadeh · Answer

I think if this is recurring for you, it would be better to write a seprate module in which you can define the formula of isurance calculation for each of your customers outside code.
I would think of a parametric formula module in which you can just write the fields you want to do the calculation.
Something like the payroll salary rules model.

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