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How to calculate total cost here?

By
Arjun Khode
on 5/15/15, 1:55 AM 360 views

Hi, I am making a hotel management module.

In this module I have a menu that contains all the expenditures like meals, internet, room service, etc listed out along with their costs.

Also, I have defined rooms as products, so sale price of room will be the rent.

Now I want to create a 'checkout' button which will add (sale price of room*no. of days) with the sum of expenditures from expenditure menu.

Can someone tell me how to add these values and how to get the sum of expenditures?


Here is my py code:


class expenditure_records(osv.Model):

_name="expenditure.records"

_columns={

'name':fields.char('Expense name'),

'cost':fields.float('Expenditure cost'),

'expense_id':fields.many2one('expenditure','Expense ID'),

}

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Asked: 5/15/15, 1:55 AM
Seen: 360 times
Last updated: 5/15/15, 1:55 AM