372 lines
17 KiB
Python
372 lines
17 KiB
Python
# -*- encoding: 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) 2004-2009 Tiny SPRL (<http://tiny.be>). All Rights Reserved
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# $Id$
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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 General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (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 General Public License for more details.
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#
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# You should have received a copy of the GNU 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 osv import fields, osv
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#from tools.misc import currency
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from _common import rounding
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import time
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from tools import config
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from tools.misc import ustr
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from tools.translate import _
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class price_type(osv.osv):
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"""
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The price type is used to points which field in the product form
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is a price and in which currency is this price expressed.
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When a field is a price, you can use it in pricelists to base
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sale and purchase prices based on some fields of the product.
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"""
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def _price_field_get(self, cr, uid, context={}):
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mf = self.pool.get('ir.model.fields')
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ids = mf.search(cr, uid, [('model','in', (('product.product'),('product.template'))), ('ttype','=','float')], context=context)
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res = []
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for field in mf.browse(cr, uid, ids, context=context):
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res.append((field.name, field.field_description))
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return res
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def _get_currency(self, cr, uid, ctx):
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comp = self.pool.get('res.users').browse(cr,uid,uid).company_id
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if not comp:
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comp_id = self.pool.get('res.company').search(cr, uid, [])[0]
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comp = self.pool.get('res.company').browse(cr, uid, comp_id)
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return comp.currency_id.id
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_name = "product.price.type"
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_description = "Price type"
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_columns = {
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"name" : fields.char("Price Name", size=32, required=True, translate=True, help="Name of this kind of price."),
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"active" : fields.boolean("Active"),
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"field" : fields.selection(_price_field_get, "Product Field", size=32, required=True, help="Associated field in the product form."),
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"currency_id" : fields.many2one('res.currency', "Currency", required=True, help="The currency the field is expressed in."),
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}
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_defaults = {
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"active": lambda *args: True,
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"currency_id": _get_currency
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}
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price_type()
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#----------------------------------------------------------
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# Price lists
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#----------------------------------------------------------
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class product_pricelist_type(osv.osv):
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_name = "product.pricelist.type"
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_description = "Pricelist Type"
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_columns = {
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'name': fields.char('Name',size=64, required=True, translate=True),
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'key': fields.char('Key', size=64, required=True, help="Used in the code to select specific prices based on the context. Keep unchanged."),
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}
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product_pricelist_type()
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class product_pricelist(osv.osv):
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def _pricelist_type_get(self, cr, uid, context={}):
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cr.execute('select key,name from product_pricelist_type order by name')
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return cr.fetchall()
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_name = "product.pricelist"
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_description = "Pricelist"
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_columns = {
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'name': fields.char('Pricelist Name',size=64, required=True, translate=True),
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'active': fields.boolean('Active'),
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'type': fields.selection(_pricelist_type_get, 'Pricelist Type', required=True),
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'version_id': fields.one2many('product.pricelist.version', 'pricelist_id', 'Pricelist Versions'),
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'currency_id': fields.many2one('res.currency', 'Currency', required=True),
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}
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def name_get(self, cr, uid, ids, context={}):
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result= []
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for pl in self.browse(cr, uid, ids, context):
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name = pl.name + ' ('+ pl.currency_id.name + ')'
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result.append((pl.id,name))
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return result
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def _get_currency(self, cr, uid, ctx):
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comp = self.pool.get('res.users').browse(cr, uid, uid).company_id
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if not comp:
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comp_id = self.pool.get('res.company').search(cr, uid, [])[0]
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comp = self.pool.get('res.company').browse(cr, uid, comp_id)
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return comp.currency_id.id
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_defaults = {
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'active': lambda *a: 1,
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"currency_id": _get_currency
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}
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def price_get(self, cr, uid, ids, prod_id, qty, partner=None, context=None):
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'''
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context = {
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'uom': Unit of Measure (int),
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'partner': Partner ID (int),
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'date': Date of the pricelist (%Y-%m-%d),
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}
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'''
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context = context or {}
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currency_obj = self.pool.get('res.currency')
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product_obj = self.pool.get('product.product')
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supplierinfo_obj = self.pool.get('product.supplierinfo')
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price_type_obj = self.pool.get('product.price.type')
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if context and ('partner_id' in context):
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partner = context['partner_id']
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context['partner_id'] = partner
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date = time.strftime('%Y-%m-%d')
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if context and ('date' in context):
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date = context['date']
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result = {}
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for id in ids:
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cr.execute('SELECT * ' \
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'FROM product_pricelist_version ' \
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'WHERE pricelist_id = %s AND active=True ' \
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'AND (date_start IS NULL OR date_start <= %s) ' \
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'AND (date_end IS NULL OR date_end >= %s) ' \
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'ORDER BY id LIMIT 1', (id, date, date))
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plversion = cr.dictfetchone()
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if not plversion:
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raise osv.except_osv(_('Warning !'),
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_('No active version for the selected pricelist !\n' \
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'Please create or activate one.'))
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cr.execute('SELECT id, categ_id ' \
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'FROM product_template ' \
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'WHERE id = (SELECT product_tmpl_id ' \
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'FROM product_product ' \
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'WHERE id = %s)', (prod_id,))
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tmpl_id, categ = cr.fetchone()
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categ_ids = []
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while categ:
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categ_ids.append(str(categ))
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cr.execute('SELECT parent_id ' \
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'FROM product_category ' \
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'WHERE id = %s', (categ,))
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categ = cr.fetchone()[0]
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if str(categ) in categ_ids:
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raise osv.except_osv(_('Warning !'),
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_('Could not resolve product category, ' \
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'you have defined cyclic categories ' \
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'of products!'))
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if categ_ids:
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categ_where = '(categ_id IN (' + ','.join(categ_ids) + '))'
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else:
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categ_where = '(categ_id IS NULL)'
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cr.execute(
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'SELECT i.*, pl.currency_id '
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'FROM product_pricelist_item AS i, '
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'product_pricelist_version AS v, product_pricelist AS pl '
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'WHERE (product_tmpl_id IS NULL OR product_tmpl_id = %s) '
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'AND (product_id IS NULL OR product_id = %s) '
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'AND (' + categ_where + ' OR (categ_id IS NULL)) '
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'AND price_version_id = %s '
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'AND (min_quantity IS NULL OR min_quantity <= %s) '
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'AND i.price_version_id = v.id AND v.pricelist_id = pl.id '
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'ORDER BY sequence LIMIT 1',
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(tmpl_id, prod_id, plversion['id'], qty))
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res = cr.dictfetchone()
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if res:
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if res['base'] == -1:
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if not res['base_pricelist_id']:
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price = 0.0
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else:
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price_tmp = self.price_get(cr, uid,
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[res['base_pricelist_id']], prod_id,
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qty)[res['base_pricelist_id']]
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ptype_src = self.browse(cr, uid,
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res['base_pricelist_id']).currency_id.id
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price = currency_obj.compute(cr, uid, ptype_src,
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res['currency_id'], price_tmp, round=False)
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elif res['base'] == -2:
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where = []
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if partner:
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where = [('name', '=', partner) ]
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sinfo = supplierinfo_obj.search(cr, uid,
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[('product_id', '=', tmpl_id)] + where)
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price = 0.0
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if sinfo:
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cr.execute('SELECT * ' \
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'FROM pricelist_partnerinfo ' \
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'WHERE suppinfo_id IN (' + \
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','.join(map(str, sinfo)) + ') ' \
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'AND min_quantity <= %s ' \
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'ORDER BY min_quantity DESC LIMIT 1', (qty,))
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res2 = cr.dictfetchone()
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if res2:
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price = res2['price']
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else:
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price_type = price_type_obj.browse(cr, uid, int(res['base']))
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price = currency_obj.compute(cr, uid,
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price_type.currency_id.id, res['currency_id'],
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product_obj.price_get(cr, uid, [prod_id],
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price_type.field)[prod_id], round=False)
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price_limit = price
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price = price * (1.0+(res['price_discount'] or 0.0))
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price = rounding(price, res['price_round'])
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price += (res['price_surcharge'] or 0.0)
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if res['price_min_margin']:
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price = max(price, price_limit+res['price_min_margin'])
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if res['price_max_margin']:
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price = min(price, price_limit+res['price_max_margin'])
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else:
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# False means no valid line found ! But we may not raise an
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# exception here because it breaks the search
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price = False
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result[id] = price
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if context and ('uom' in context):
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product = product_obj.browse(cr, uid, prod_id)
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uom = product.uos_id or product.uom_id
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result[id] = self.pool.get('product.uom')._compute_price(cr,
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uid, uom.id, result[id], context['uom'])
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return result
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product_pricelist()
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class product_pricelist_version(osv.osv):
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_name = "product.pricelist.version"
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_description = "Pricelist Version"
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_columns = {
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'pricelist_id': fields.many2one('product.pricelist', 'Price List',
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required=True, select=True),
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'name': fields.char('Name', size=64, required=True, translate=True),
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'active': fields.boolean('Active'),
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'items_id': fields.one2many('product.pricelist.item',
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'price_version_id', 'Price List Items', required=True),
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'date_start': fields.date('Start Date', help="Starting date for this pricelist version to be valid."),
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'date_end': fields.date('End Date', help="Ending date for this pricelist version to be valid."),
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}
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_defaults = {
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'active': lambda *a: 1,
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}
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#
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# TODO: improve this function ?
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#
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def _check_date(self, cursor, user, ids):
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for pricelist_version in self.browse(cursor, user, ids):
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if not pricelist_version.active:
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continue
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cursor.execute('SELECT id ' \
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'FROM product_pricelist_version ' \
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'WHERE ((date_start <= %s AND %s <= date_end ' \
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'AND date_end IS NOT NULL) ' \
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'OR (date_end IS NULL AND date_start IS NOT NULL ' \
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'AND date_start <= %s) ' \
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'OR (date_start IS NULL AND date_end IS NOT NULL ' \
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'AND %s <= date_end) ' \
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'OR (date_start IS NULL AND date_end IS NULL) ' \
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'OR (%s = \'0000-01-01\' AND date_start IS NULL) ' \
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'OR (%s = \'0000-01-01\' AND date_end IS NULL) ' \
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'OR (%s = \'0000-01-01\' AND %s = \'0000-01-01\') ' \
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'OR (%s = \'0000-01-01\' AND date_start <= %s) ' \
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'OR (%s = \'0000-01-01\' AND %s <= date_end)) ' \
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'AND pricelist_id = %s ' \
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'AND active ' \
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'AND id <> %s', (pricelist_version.date_end or '0000-01-01',
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pricelist_version.date_start or '0000-01-01',
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pricelist_version.date_end or '0000-01-01',
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pricelist_version.date_start or '0000-01-01',
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pricelist_version.date_start or '0000-01-01',
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pricelist_version.date_end or '0000-01-01',
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pricelist_version.date_start or '0000-01-01',
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pricelist_version.date_end or '0000-01-01',
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pricelist_version.date_start or '0000-01-01',
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pricelist_version.date_end or '0000-01-01',
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pricelist_version.date_end or '0000-01-01',
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pricelist_version.date_start or '0000-01-01',
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pricelist_version.pricelist_id.id,
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pricelist_version.id))
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if cursor.fetchall():
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return False
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return True
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_constraints = [
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(_check_date, 'You can not have 2 pricelist version that overlaps!',
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['date_start', 'date_end'])
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]
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product_pricelist_version()
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class product_pricelist_item(osv.osv):
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def _price_field_get(self, cr, uid, context={}):
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pt = self.pool.get('product.price.type')
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ids = pt.search(cr, uid, [], context=context)
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result = []
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for line in pt.browse(cr, uid, ids, context=context):
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result.append((line.id, line.name))
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result.append((-1, _('Other Pricelist')))
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result.append((-2, _('Partner section of the product form')))
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return result
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_name = "product.pricelist.item"
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_description = "Pricelist item"
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_order = "sequence, min_quantity desc"
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_defaults = {
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'base': lambda *a: -1,
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'min_quantity': lambda *a: 0,
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'sequence': lambda *a: 5,
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'price_discount': lambda *a: 0,
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}
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_columns = {
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'name': fields.char('Rule Name', size=64, help="Explicit rule name for this pricelist line."),
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'price_version_id': fields.many2one('product.pricelist.version', 'Price List Version', required=True, select=True),
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'product_tmpl_id': fields.many2one('product.template', 'Product Template', ondelete='cascade', help="Set a template if this rule only apply to a template of product. Keep empty for all products"),
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'product_id': fields.many2one('product.product', 'Product', ondelete='cascade', help="Set a product if this rule only apply to one product. Keep empty for all products"),
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'categ_id': fields.many2one('product.category', 'Product Category', ondelete='cascade', help="Set a category of product if this rule only apply to products of a category and his childs. Keep empty for all products"),
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'min_quantity': fields.integer('Min. Quantity', required=True, help="The rule only applies if the partner buys/sells more than this quantity."),
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'sequence': fields.integer('Sequence', required=True),
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'base': fields.selection(_price_field_get, 'Based on', required=True, size=-1, help="The mode for computing the price for this rule."),
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'base_pricelist_id': fields.many2one('product.pricelist', 'If Other Pricelist'),
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'price_surcharge': fields.float('Price Surcharge',
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digits=(16, int(config['price_accuracy']))),
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'price_discount': fields.float('Price Discount', digits=(16,4)),
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'price_round': fields.float('Price Rounding',
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digits=(16, int(config['price_accuracy'])),
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help="Sets the price so that it is a multiple of this value.\n" \
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"Rounding is applied after the discount and before the surcharge.\n" \
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"To have prices that end in 9.99, set rounding 10, surcharge -0.01" \
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),
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'price_min_margin': fields.float('Min. Price Margin',
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digits=(16, int(config['price_accuracy']))),
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'price_max_margin': fields.float('Max. Price Margin',
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digits=(16, int(config['price_accuracy']))),
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}
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def product_id_change(self, cr, uid, ids, product_id, context={}):
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if not product_id:
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return {}
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prod = self.pool.get('product.product').read(cr, uid, [product_id], ['code','name'])
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if prod[0]['code']:
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return {'value': {'name': prod[0]['code']}}
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return {}
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product_pricelist_item()
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# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
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