Odoo 13 server action: how to verify if a model action (button action) is satisfying a condition?

Question

Hi everyone!

I'm coding a server action to check the available quantity of the products before booking them!
I want this server action be launched only when the user is going to save or confirm the order and not when he wants to cancel it . Could you help please?

produit = env['product.product'].search([('default_code', '=', record.product_id.default_code)])
if record.product_uom_qty > record.product_id.immediately_usable_qty:
if action != model.action_cancel() or action != model.action_create

Cybrosys Techno Solutions Pvt.Ltd · Accepted Answer

Hi,
In this case you don’t need to write a server action. You can simply do the same thing using @api.constrains() decorator. It will trigger while save the record and you can check the conditions whatever you want and also raise a Warning.
@api.constrains ( 'field_1' ,  'field2' )
def  _check_sequence ( self ):
produit = self .env[ 'product.product' ].search([( 'default_code' ,  '=' , record.product_id.default_code)])
if record.product_uom_qty > record.product_id.immediately_usable_qty:
raise

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