clinic/netforce_clinic/models/hd_case_dialyzer.py

from netforce.model import Model, fields

class HDCaseDialyzerLine(Model):
    _name="clinic.hd.case.dialyzer"
    
    def _get_all(self,ids,context={}):
        res={}
        for obj in self.browse(ids):
            dlz=obj.dialyzer_id
            res[obj.id]={
                'membrane_type': dlz.membrane_type,
            }
        return res

    _fields={
        "hd_case_id": fields.Many2One("clinic.hd.case","HdCase",on_delete="cascade"),
        "dialyzer_type": fields.Selection([("low","low flux"),("high","high flux"),("dbl","dbl hifulx")],"Dialyzer Type"),
        "dialyzer_id": fields.Many2One("clinic.dialyzer","Dialyzer",search=True),
        "description": fields.Char("Description",search=True),
        "use_time":fields.Integer("Use time"),
        "max_use_time":fields.Integer("Max use time"),
        "membrane_type": fields.Selection([("unsub","Unsub cellul"),("sub","Sub cellul"),("synthetic","Synthetic")],"Membrane Type"),
    }

HDCaseDialyzerLine.register()