Insert Many To Many record Odoo 12

Question

Hi
I have two models:
class Pharmacy(models.Model):
_inherit = 'res.partner'
medicine_ids = fields.Many2many('product.template', string="Existing Medicines")

class Medicine(models.Model):
_inherit = 'product.template'
pharmacy_ids = fields.Many2many('res.partner', string="Pharmacieis")
def add_pharmacies(self):
some logic
I need in form view of Medicine by pushing a button the function add_pharmacies be called and 1 pharmacy be added to the list of the pharmacies that have that product and the

faOtools · Answer

To your goal you should apply the special operators configured for many2many fields. In this case it is 'add': [(4, ID)]. The example to add a new pharmacy to the field 'pharmacy_ids':
@api.multi
def add_pharmacies(self):
for record in self:
id_to_add = 1 # put here your logic of how this pharmacy should be added
record.pharmacy_ids = [(4, id_to_add)]

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