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many2onemany2manyv14
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SmithJohn45

in "Products" (model product_template) I have inherited and added a custom field "brand_id" of type "Many2many"

in my custom "OrderItems" I had a field "brand_id" as "Many2one", 

here user selects a "product" and for "brand" I want to 'filter' and show only "brands" which are associated to the selected "product" in "Products" 

please help how to filter it.

regards


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Kiran K
Best Answer

Hi ,

optional_product_ids is Many2many in Product Master

@api.onchange('product_id')
def onchange_product_id(self):
    if self.product_id:
        self.optional_id = False
        optional_products = self.product_id.optional_product_ids.ids
        if optional_products: 
            domain = [('id','in',optional_products)]
            return  {'domain':{'optional_id':domain}}
    return  {'domain':{'optional_id':[('id', 'in', [])]}}



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SmithJohn45
Autor

thanks Kiran Mohan, will implement, check and give feedback here... :)

SmithJohn45
Autor

hi @Kiran Moha, sorry for late in reply, was busy in other tasks, today i tried to implement the code as your's but it is showing error. i want to copy my all 3 model's .py code and your code implemented with some changes. the error is " ValueError: Invalid domain term ('id', 'in', 'tests.brands(1, 2, 3)') " (without double quotes). don't know where i am making mistake due to lack of knowledge, please help. note: I can post the code as mentioned but this will not as readable here without formatting. regards

Kiran K

optional_products = self.product_id.optional_product_ids.ids

SmithJohn45
Autor

hi Kiran Mohan, this is same line as your first Answer here, if you want to see complete code i can post here as Answer ... because in Comment it is not possible imo.

Kiran K

Answer updated , it was optional_products = self.product_id.optional_product_ids earlier

SmithJohn45
Autor

thanks Kiran Mohan and appreciate your passions to help me :) regards

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Karan BK
Best Answer

While defining brand_id  field in the OrderItems, you can give domain such as

In OrderItems model

brand_id = fields.Many2one(...., domain=[('id', 'in', product_id.brand_id.ids)])

where product_id is the product field.



Karan BK

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