163 lines
8.6 KiB
Python
163 lines
8.6 KiB
Python
# -*- coding: utf-8 -*-
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##############################################################################
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#
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# OpenERP, Open Source Management Solution
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# Copyright (C) 2004-2010 Tiny SPRL (<http://tiny.be>).
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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##############################################################################
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from openerp.osv import fields
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from openerp.osv import osv
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import openerp.addons.decimal_precision as dp
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from openerp.tools.translate import _
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class mrp_subproduct(osv.osv):
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_name = 'mrp.subproduct'
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_description = 'Byproduct'
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_columns={
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'product_id': fields.many2one('product.product', 'Product', required=True),
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'product_qty': fields.float('Product Qty', digits_compute=dp.get_precision('Product Unit of Measure'), required=True),
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'product_uom': fields.many2one('product.uom', 'Product Unit of Measure', required=True),
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'subproduct_type': fields.selection([('fixed','Fixed'),('variable','Variable')], 'Quantity Type', required=True, help="Define how the quantity of byproducts will be set on the production orders using this BoM.\
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'Fixed' depicts a situation where the quantity of created byproduct is always equal to the quantity set on the BoM, regardless of how many are created in the production order.\
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By opposition, 'Variable' means that the quantity will be computed as\
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'(quantity of byproduct set on the BoM / quantity of manufactured product set on the BoM * quantity of manufactured product in the production order.)'"),
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'bom_id': fields.many2one('mrp.bom', 'BoM'),
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}
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_defaults={
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'subproduct_type': 'variable',
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'product_qty': lambda *a: 1.0,
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}
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def onchange_product_id(self, cr, uid, ids, product_id, context=None):
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""" Changes UoM if product_id changes.
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@param product_id: Changed product_id
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@return: Dictionary of changed values
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"""
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if product_id:
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prod = self.pool.get('product.product').browse(cr, uid, product_id, context=context)
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v = {'product_uom': prod.uom_id.id}
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return {'value': v}
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return {}
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def onchange_uom(self, cr, uid, ids, product_id, product_uom, context=None):
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res = {'value':{}}
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if not product_uom or not product_id:
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return res
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product = self.pool.get('product.product').browse(cr, uid, product_id, context=context)
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uom = self.pool.get('product.uom').browse(cr, uid, product_uom, context=context)
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if uom.category_id.id != product.uom_id.category_id.id:
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res['warning'] = {'title': _('Warning'), 'message': _('The Product Unit of Measure you chose has a different category than in the product form.')}
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res['value'].update({'product_uom': product.uom_id.id})
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return res
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class mrp_bom(osv.osv):
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_name = 'mrp.bom'
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_description = 'Bill of Material'
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_inherit='mrp.bom'
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_columns={
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'sub_products':fields.one2many('mrp.subproduct', 'bom_id', 'Byproducts'),
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}
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class mrp_production(osv.osv):
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_description = 'Production'
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_inherit= 'mrp.production'
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def action_confirm(self, cr, uid, ids, context=None):
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""" Confirms production order and calculates quantity based on subproduct_type.
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@return: Newly generated picking Id.
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"""
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picking_id = super(mrp_production,self).action_confirm(cr, uid, ids, context=context)
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product_uom_obj = self.pool.get('product.uom')
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for production in self.browse(cr, uid, ids):
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source = production.product_id.property_stock_production.id
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if not production.bom_id:
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continue
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for sub_product in production.bom_id.sub_products:
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product_uom_factor = product_uom_obj._compute_qty(cr, uid, production.product_uom.id, production.product_qty, production.bom_id.product_uom.id)
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qty1 = sub_product.product_qty
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qty2 = production.product_uos and production.product_uos_qty or False
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product_uos_factor = 0.0
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if qty2 and production.bom_id.product_uos.id:
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product_uos_factor = product_uom_obj._compute_qty(cr, uid, production.product_uos.id, production.product_uos_qty, production.bom_id.product_uos.id)
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if sub_product.subproduct_type == 'variable':
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if production.product_qty:
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qty1 *= product_uom_factor / (production.bom_id.product_qty or 1.0)
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if production.product_uos_qty:
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qty2 *= product_uos_factor / (production.bom_id.product_uos_qty or 1.0)
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data = {
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'name': 'PROD:'+production.name,
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'date': production.date_planned,
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'product_id': sub_product.product_id.id,
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'product_uom_qty': qty1,
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'product_uom': sub_product.product_uom.id,
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'product_uos_qty': qty2,
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'product_uos': production.product_uos and production.product_uos.id or False,
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'location_id': source,
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'location_dest_id': production.location_dest_id.id,
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'move_dest_id': production.move_prod_id.id,
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'state': 'waiting',
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'production_id': production.id
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}
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self.pool.get('stock.move').create(cr, uid, data)
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return picking_id
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def _get_subproduct_factor(self, cr, uid, production_id, move_id=None, context=None):
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"""Compute the factor to compute the qty of procucts to produce for the given production_id. By default,
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it's always equal to the quantity encoded in the production order or the production wizard, but with
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the module mrp_byproduct installed it can differ for byproducts having type 'variable'.
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:param production_id: ID of the mrp.order
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:param move_id: ID of the stock move that needs to be produced. Identify the product to produce.
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:return: The factor to apply to the quantity that we should produce for the given production order and stock move.
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"""
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sub_obj = self.pool.get('mrp.subproduct')
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move_obj = self.pool.get('stock.move')
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production_obj = self.pool.get('mrp.production')
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production_browse = production_obj.browse(cr, uid, production_id, context=context)
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move_browse = move_obj.browse(cr, uid, move_id, context=context)
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subproduct_factor = 1
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sub_id = sub_obj.search(cr, uid,[('product_id', '=', move_browse.product_id.id),('bom_id', '=', production_browse.bom_id.id), ('subproduct_type', '=', 'variable')], context=context)
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if sub_id:
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subproduct_record = sub_obj.browse(cr ,uid, sub_id[0], context=context)
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if subproduct_record.bom_id.product_qty:
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subproduct_factor = subproduct_record.product_qty / subproduct_record.bom_id.product_qty
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return subproduct_factor
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return super(mrp_production, self)._get_subproduct_factor(cr, uid, production_id, move_id, context=context)
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class change_production_qty(osv.osv_memory):
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_inherit = 'change.production.qty'
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def _update_product_to_produce(self, cr, uid, prod, qty, context=None):
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bom_obj = self.pool.get('mrp.bom')
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move_lines_obj = self.pool.get('stock.move')
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prod_obj = self.pool.get('mrp.production')
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for m in prod.move_created_ids:
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if m.product_id.id == prod.product_id.id:
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move_lines_obj.write(cr, uid, [m.id], {'product_uom_qty': qty})
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else:
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for sub_product_line in prod.bom_id.sub_products:
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if sub_product_line.product_id.id == m.product_id.id:
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factor = prod_obj._get_subproduct_factor(cr, uid, prod.id, m.id, context=context)
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subproduct_qty = sub_product_line.subproduct_type == 'variable' and qty * factor or sub_product_line.product_qty
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move_lines_obj.write(cr, uid, [m.id], {'product_uom_qty': subproduct_qty})
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# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
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