old_contents: # -*- coding: utf-8 -*-
  # Part of Odoo. See LICENSE file for full copyright and licensing details.
  
  from odoo import api, fields, models, _
  from odoo.tools import float_round
  
  
  class LunchCashMove(models.Model):
      """ Two types of cashmoves: payment (credit) or order (debit) """
      _name = 'lunch.cashmove'
      _description = 'Lunch Cashmove'
      _order = 'date desc'
  
      currency_id = fields.Many2one('res.currency', default=lambda self: self.env.company)
      user_id = fields.Many2one('res.users', 'User',
                                default=lambda self: self.env.uid)
      date = fields.Date('Date', required=True, default=fields.Date.context_today)
      amount = fields.Float('Amount', required=True)
      description = fields.Text('Description')
  
      @api.multi
      def name_get(self):
          return [(cashmove.id, '%s %s' % (_('Lunch Cashmove'), '#%d' % cashmove.id)) for cashmove in self]
  
      @api.model
      def get_wallet_balance(self, user, include_config=True):
          result = float_round(sum(move['amount'] for move in self.env['lunch.cashmove.report'].search_read(
              [('user_id', '=', user.id)], ['amount'])), precision_digits=2)
          if include_config:
              result += user.company_id.lunch_minimum_threshold
          return result
  
new_contents: # -*- coding: utf-8 -*-
  # Part of Odoo. See LICENSE file for full copyright and licensing details.
  
  from odoo import api, fields, models, _
  from odoo.tools import float_round
  
  
  class LunchCashMove(models.Model):
      """ Two types of cashmoves: payment (credit) or order (debit) """
      _name = 'lunch.cashmove'
      _description = 'Lunch Cashmove'
      _order = 'date desc'
  
      currency_id = fields.Many2one('res.currency', default=lambda self: self.env.company.currency_id)
      user_id = fields.Many2one('res.users', 'User',
                                default=lambda self: self.env.uid)
      date = fields.Date('Date', required=True, default=fields.Date.context_today)
      amount = fields.Float('Amount', required=True)
      description = fields.Text('Description')
  
      @api.multi
      def name_get(self):
          return [(cashmove.id, '%s %s' % (_('Lunch Cashmove'), '#%d' % cashmove.id)) for cashmove in self]
  
      @api.model
      def get_wallet_balance(self, user, include_config=True):
          result = float_round(sum(move['amount'] for move in self.env['lunch.cashmove.report'].search_read(
              [('user_id', '=', user.id)], ['amount'])), precision_digits=2)
          if include_config:
              result += user.company_id.lunch_minimum_threshold
          return result
  
subject: use currency_id as default value