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I want to automatically fill a table when another table is filled by user.
here's the problem : 

I have different products for rent (let's say cars), each product have different stock/quantity.

I want to develop a method that if a user/admin adds a new "Car Model" with 'stock = N' the method adds N new rows of data for each car.
the reason i need them to be stored separately is because each car has it's own attributes e.g. how many times has it been rented, need repair or not, damaged or not, etc.....

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Autor Mejor respuesta

Thanks so mush that was helpful
I did the following and it worked

#this code is inside Car Model's class
#Overriding create
@api.model
def create(self, vals):
    res = super(CarModel, self).create(vals)
    for i in range(vals["stock"]):
        super(rc.RentCar, self.env['rent.car']).create({
            'model_id': res.id,
            'car_ref' : "%s_%s" %(res.ref,i+1),
            'name' : "%s #%s" %(res.name,i+1)
        })
    return res

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Hi,

You can apply your logic by overriding the create and write method of the first model.

For overriding the create method, see: https://www.youtube.com/watch?v=_-fs_NBeOLI

Thanks

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