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Panos Anagnostakis

I'm trying to override an onchange function of account move line model in order to update the value of a custom field I've added in account.move model:

class SoftOneInvoiceLine(models.Model):
    _inherit= "account.move.line"

    change_from_user=fields.Boolean('Change by user',default=True)

    @api.onchange('quantity', 'discount', 'price_unit', 'tax_ids')
    def _onchange_price_subtotal(self):
        super(SoftOneInvoiceLine,self)._onchange_price_subtotal()
        for rec in self:
            if (rec.change_from_user):                
                rec.move_id.global_discount=0
                rec.move_id.update({'global_discount':0})
                print (rec.move_id," ",rec.move_id.global_discount)
                rec.change_from_user=True


When above code runs, the change doesn't reflect on the form field.


Print command displays:  account.move(,) 0.0


What is the problem and the field isn't updated on the form?

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Apiuser

There is no code.

Panos Anagnostakis
Автор

I somehow erased code before posting. Here is the code:

class SoftOneInvoiceLine(models.Model):

_inherit= "account.move.line"

change_from_user=fields.Boolean('Change by user',default=True)

@api.onchange('quantity', 'discount', 'price_unit', 'tax_ids')
def _onchange_price_subtotal(self):
super(SoftOneInvoiceLine,self)._onchange_price_subtotal()
for rec in self:
if (rec.change_from_user):
rec.move_id.global_discount=0;
rec.move_id.update({'global_discount':0})
print (rec.move_id," ",rec.move_id.global_discount)
rec.change_from_user=True

Panos Anagnostakis
Автор

I was getting error 403 forbidden when I was posting the code. Managed to post the code in a comment  but it is displayed messed up. 

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Panos Anagnostakis
Автор Найкраща відповідь

I managed to find an alternative solution. I created another custom field global_discount_check in account.move which is set as invisible, computed and store=false. The field depends on invoice_line_ids.discount and whenever an invoice line discount changes it compares it to the global_discount field. If the two values are different then it sets global discount=0.

global_discount_check=fields.Float("discount checker",digits='Discount',store=False,compute="_check_global_discount") 

@api.depends('invoice_line_ids.discount')
def _check_global_discount(self):
    for line in self.invoice_line_ids:
            if (line.discount!=self.global_discount):
                self.global_discount=0.0        
    self.global_discount_check=0.0
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Moaaz Gafar
Найкраща відповідь

Hi 

try to add return 

@api.onchange('quantity', 'discount', 'price_unit', 'tax_ids')
def _onchange_price_subtotal(self):
res=super(SoftOneInvoiceLine,self)._onchange_price_subtotal()
for rec in self:
if (rec.change_from_user):
rec.move_id.global_discount=0;
rec.move_id.update({'global_discount':0})
print (rec.move_id," ",rec.move_id.global_discount)
rec.change_from_user=True

return res

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Panos Anagnostakis
Автор

Thanks for your answer!

I've tried what you suggested and unfortunately, the problem persists