What codes to be written in the compute field

Question

Greetings,

Am working on petrol station management system, and for the same thing I need to compute fields for calculating prices and meters etc, but I do not know the code to make it work, can anyone tell me the same in details ?

There are 2 fields which need to be computed one for subtraction and another for multiplication, I need to write the code in compute field which is present in the field making form (front end)

for subtract :

field name : close_meter_reading - open_meter_reading = difference

for multiply :

field name : ltr * unit_price = total_price

*for subtract :*
field name : *close_meter_reading - open_meter_reading

Fawzy Ahmed · Accepted Answer

Hi,
compute function like this,
@api.one
@api.depends('open_meter_reading','unit_price','close_meter_reading','ltr')
def _compute_amount(self):
self.difference = self.close_meter_reading - self.open_meter_reading
self.total_price = self.ltr * self.unit_price
and your field difference = fields.Float(string='Untaxed Amount',compute='_compute_amount')
total_price = fields.Float(string='Untaxed Amount',compute='_compute_amount') Thanks Aswini- iWesabe [1]

[1] https://www.iwesabe.com/

Chris TRINGHAM · Answer

If you want to enter it through the front-end, you need something like this:
Dependencies:   *difference**,close_meter_reading**,open_meter_reading*
Compute:        for record in self:
record['*difference*'] = *close_meter_reading *- *open_meter_reading* ----
Dependencies:    *total_price**,ltr**,unit_price*  Compute:          for record in self:
record['*total_price*'] = *ltr* * *unit_price*
ttps://odootricks.tips/computed-fields/ [1]
* * * * * *

[1] https://odootricks.tips/computed-fiel

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Greetings,

Am working on petrol station management system, and for the same thing I need to compute fields for calculating prices and meters etc, but I do not know the code to make it work, can anyone tell me the same in details ?

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