eiru_account_bank_statement_utility/models/cash_box_transfer.py

# -*- coding: utf-8 -*-
from openerp import models, fields, tools, api
import openerp.addons.decimal_precision as dp
from openerp.osv import osv
from openerp.tools.translate import _

class cash_box_transfer(models.Model):
    _name = "cash.box.transfer"

    name = fields.Char('name', required=True)
    amount = fields.Float('Amount', digits_compute=dp.get_precision('Account'), required=True)
    ref = fields.Char('Ref')
    date = fields.Date()
    ##### statement line
    input_line = fields.Many2one('account.bank.statement.line', 'Bank statement line Input')
    output_line = fields.Many2one('account.bank.statement.line', 'Bank statement line Output')
    ##### statement
    input_statement = fields.Many2one('account.bank.statement', 'Bank statement input')
    output_statement = fields.Many2one('account.bank.statement', 'Bank statement Output')


class account_bank_statement_line_deleted(models.Model):
    _inherit = 'account.bank.statement.line'

    is_deleted = fields.Boolean('is deleted', default=False)

    @api.multi
    def unlink(self):
        if (self.is_deleted):
            raise osv.except_osv(('Atencion!'), ('No puedes eliminar el ítem de la caja.'))
        return super(account_bank_statement_line_deleted, self).unlink()