clinic/netforce_clinic/models/patient_cycle.py

from netforce.model import Model, fields

class PatientCycle(Model):
    _name="clinic.patient.cycle"
    _string="Patient Cycle"

    _fields={
        "patient_id": fields.Many2One('clinic.patient',"Patient",required=True,on_delete="cascade",search=True,domain=[['state','=','admit']]),
        "cycle_id": fields.Many2One('clinic.cycle',"Cycle",search=True),
        "department_id": fields.Many2One('clinic.department',"Department",search=True),
        'day': fields.Selection([('mon', 'Monday'), ('tue','Tuesday'), ('wed','Wednesday'),('thu','Thursday'),('fri','Friday'),('sat','Saturday'),('sun','Sunday')], 'Day',search=True),
    }

    def _get_department(self,context={}):
        data=context.get('data')
        if data and data.get('department_id'):
            return data['department_id']

    _defaults={
        'department_id': _get_department,
    }

    _sql_constraints=("pcycle_uniq","unique(patient_id,cycle_id,day,department_id)","patient_id,cycle_id,day,department_id should be unique"),
    _order="department_id,cycle_id"

PatientCycle.register()