mirror of
https://github.com/OCA/stock-logistics-warehouse.git
synced 2025-01-21 14:27:28 +02:00
87 lines
2.9 KiB
Python
87 lines
2.9 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2015-2017 ACSONE SA/NV (<http://acsone.eu>)
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# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
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from openerp import api, fields, models, _
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from openerp.exceptions import ValidationError
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class ProductPackaging(models.Model):
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_inherit = 'product.packaging'
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@api.model
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def _default_uom_categ_domain_id(self):
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uom_id = self.env.context.get("get_uom_categ_from_uom")
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if not uom_id:
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return self.env['product.uom.categ']
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uom = self.env['product.uom'].browse(uom_id)
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return uom.category_id.id
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uom_id = fields.Many2one(
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'product.uom',
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'Unit of Measure',
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help="It must be in the same category than "
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"the default unit of measure.",
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required=False
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)
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uom_categ_domain_id = fields.Many2one(
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default=_default_uom_categ_domain_id,
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comodel_name='product.uom.categ'
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)
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qty = fields.Float(
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compute="_compute_qty",
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inverse="_inverse_qty",
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store=True,
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readonly=True
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)
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@api.multi
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@api.depends('uom_id', 'product_tmpl_id.uom_id')
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def _compute_qty(self):
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"""
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Compute the quantity by package based on uom
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"""
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for packaging in self:
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if packaging.uom_id and packaging.product_tmpl_id:
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packaging.qty = self.env['product.uom']._compute_qty_obj(
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packaging.uom_id,
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1,
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to_unit=packaging.product_tmpl_id.uom_id)
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else:
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packaging.qty = 0
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@api.multi
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def _inverse_qty(self):
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"""
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The inverse method is defined to make the code compatible with
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existing modules and to not break tests...
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:return:
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"""
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for packaging in self:
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category_id = packaging.product_tmpl_id.uom_id.category_id
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uom_id = packaging.uom_id.search([
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("factor", "=", 1.0 / self.qty),
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('category_id', '=', category_id.id)])
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if not uom_id:
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uom_id = packaging.uom_id.create({
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'name': "%s %s" % (category_id.name, packaging.qty),
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'category_id': category_id.id,
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'rounding': packaging.product_tmpl_id.uom_id.rounding,
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'uom_type': 'bigger',
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'factor_inv': packaging.qty,
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'active': True
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})
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packaging.uom_id = uom_id
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@api.multi
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@api.constrains('uom_id')
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def _check_uom_id(self):
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""" Check uom_id is not null
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Since the field can be computed by the inverse method on 'qty',
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it's no more possible to add a sql constrains on the column uom_id.
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"""
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for rec in self:
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if not rec.uom_id:
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raise ValidationError(_("The field Unit of Measure is "
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"required"))
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