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# -*- coding: utf-8 -*-

from odoo import models, fields, api

class chevro(models.Model):
   _name = 'chevro.chevro'

   name = fields.Char()
   value = fields.Integer()
   value2 = fields.Float(compute="_value_pc", store=True)
   description = fields.Text()

   @api.depends('value')
   def _value_pc(self):
       self.value2 = float(self.value) / 100


class Course(models.Model):
   _name = 'chevro.course'
   _description = 'chevro courses'

   name = fields.Char()
   description = fields.Text()

   inventor_id = fields.Many2one('res.users', ondelete='set null', string="Inventor", index=True)
   session_ids = fields.One2many('chevro.session', 'course_id', string="Sessions")


class Session(models.Model):
   _name = 'chevro.session'
   _description = "chevro Sessions"

   name = fields.Char(required=True)
   start_date = fields.Date()
   duration = fields.Float(digits=(6, 2), help="Duration in days")
   seats = fields.Integer(string="Number of seats")

   inventor_id = fields.Many2one('res.partner', string="Inventor")
   course_id = fields.Many2one('chevro.course', ondelete='cascade', string="Course", required=True)
   attendee_ids = fields.Many2many('res.partner', string="Attendees")