product_expiry_simple/stock.py

# -*- coding: utf-8 -*-
# © 2017 Akretion (Alexis de Lattre <alexis.delattre@akretion.com>)
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).

from openerp import models, fields, api


class StockProductionLot(models.Model):
    _inherit = 'stock.production.lot'
    _rec_name = 'display_name'

    expiry_date = fields.Date(string='Fecha de vencimiento')
    display_name = fields.Char(
        compute='compute_display_name_field',
        string='Número de Lote/Serie', store=True, readonly=True)

    @api.multi
    @api.depends('name', 'expiry_date')
    def compute_display_name_field(self):
        for lot in self:
            dname = lot.name
            if lot.expiry_date:
                dname = '[%s] %s' % (lot.expiry_date, dname)
            lot.display_name = dname


class StockQuant(models.Model):
    _inherit = 'stock.quant'

    expiry_date = fields.Date(
        related='lot_id.expiry_date', store=True, readonly=True, string="Fecha de vencimiento")

    # method copy/pasted from the official product_expiry module
    # © Odoo SA
    @api.model
    def apply_removal_strategy(
            self, location, product, qty, domain, removal_strategy):
        if removal_strategy == 'fefo':
            order = 'expiry_date, location_id, package_id, lot_id, in_date, id'
            return self._quants_get_order(
                location, product, qty, domain, order)
        return super(StockQuant, self).apply_removal_strategy(
            location, product, qty, domain, removal_strategy)