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sale.order.linesale.orderodooV8
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Guillaume Seran

Hi,

I have created a new model inherit from sale.order.line like this :

class sale_order_line_option(models.Model):
    _name="sale.order.line.option"
    _inherit = "sale.order.line"
    
    accept_option = fields.Boolean(u'Option prise',readonly=True,
                                   states={'draft': [('readonly', False)],'sent': [('readonly', False)]})
    tax_id = fields.Many2many('account.tax', 'sale_order_option_tax', 'order_line_option_id', 'tax_id',readonly=True,
                               states={'draft': [('readonly', False)]})

I create this model because I want two differents table : 1 table for sale.order.line and 1 table for sale.order.line.option


And I inherit sale.order too :

class sale_order(models.Model):
    _inherit = "sale.order"
    
    order_line_option = fields.One2many('sale.order.line.option', 'order_id', 'Options',readonly=True,
                                  states={'draft': [('readonly', False)],'sent': [('readonly', False)]})


My problem it's I can't create  an order if I add a sale.order.line!
I have this error : One of the documents you are trying to access has been deleted, please try again after refreshing.

( I have no error if I just add a sale.order.line.option )


Thanks in advance for yours answers

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Denis Baranov
Best Answer

Hello,


basically, you do everything correct from Odoo developer point of view. But not from Odoo logics.


Such inheritance is really risky, since order lines have a lot of functions, each of which may cause severe problems, including one you mentioned. E.g., the function _order_lines_from_invoice is using a direct sql (!) request, where the name of a model is sale_order_line. This line may just not exist! Besides, some troubles would be revealed a long after in procurement, accounting, stock, etc. 

My advise: do not use such inheritance. If you described your purposes, perhaps, the society would offer a better solution  

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Guillaume Seran
Autor

hi! Thank you for your answer !

I think i going to create a new "simplified" model instead of inheritance!

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Aslam Up
Best Answer

Hi,

Here You are trying to use a wrong ID 'order_id'  which is already referred to sale.order in table sale.order.line  !!
So you have to modify your code as follows:

Add a Many2one relation to 'sale.order' in 'sale.order.line.option'

_name="sale.order.line.option"
order_option_id = fields.Many2one('sale.order', string='Order Option Reference', required=True, ondelete='cascade', index=True, copy=False)

Add this parent_id to sale.order as follows:

 _inherit = "sale.order"
    
    order_line_option = fields.One2many('sale.order.line.option', 'order_option_id', 'Options',readonly=True,
                                  states={'draft': [('readonly', False)],'sent': [('readonly', False)]})

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Guillaume Seran
Autor Best Answer

Hi Aslam,

it doesn't work, I have an error with the field "order_id" because I think it is NULL and it's a required field.

--- Error ---

creation/update: a mandatory field is not correctly set

[object with reference: order_id - order.id]


So now In my order:

- I have the error "One of the documents you are trying to access has been deleted" When I want to create a sale.order.line

- I have the error "creation/update: a mandatory field is not correctly set" When I want to create a sale.order.line.option


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