# -*- coding: utf-8 -*- ############################################################################## # # OpenERP, Open Source Management Solution # Copyright (C) 2004-2010 Tiny SPRL (). # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU Affero General Public License as # published by the Free Software Foundation, either version 3 of the # License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Affero General Public License for more details. # # You should have received a copy of the GNU Affero General Public License # along with this program. If not, see . # ############################################################################## import time from _common import rounding from openerp.osv import fields, osv from openerp.tools.translate import _ import openerp.addons.decimal_precision as dp class price_type(osv.osv): """ The price type is used to points which field in the product form is a price and in which currency is this price expressed. When a field is a price, you can use it in pricelists to base sale and purchase prices based on some fields of the product. """ def _price_field_get(self, cr, uid, context=None): mf = self.pool.get('ir.model.fields') ids = mf.search(cr, uid, [('model','in', (('product.product'),('product.template'))), ('ttype','=','float')], context=context) res = [] for field in mf.browse(cr, uid, ids, context=context): res.append((field.name, field.field_description)) return res def _get_currency(self, cr, uid, ctx): comp = self.pool.get('res.users').browse(cr,uid,uid).company_id if not comp: comp_id = self.pool.get('res.company').search(cr, uid, [])[0] comp = self.pool.get('res.company').browse(cr, uid, comp_id) return comp.currency_id.id _name = "product.price.type" _description = "Price Type" _columns = { "name" : fields.char("Price Name", size=32, required=True, translate=True, help="Name of this kind of price."), "active" : fields.boolean("Active"), "field" : fields.selection(_price_field_get, "Product Field", size=32, required=True, help="Associated field in the product form."), "currency_id" : fields.many2one('res.currency', "Currency", required=True, help="The currency the field is expressed in."), } _defaults = { "active": lambda *args: True, "currency_id": _get_currency } #---------------------------------------------------------- # Price lists #---------------------------------------------------------- class product_pricelist_type(osv.osv): _name = "product.pricelist.type" _description = "Pricelist Type" _columns = { 'name': fields.char('Name',size=64, required=True, translate=True), 'key': fields.char('Key', size=64, required=True, help="Used in the code to select specific prices based on the context. Keep unchanged."), } class product_pricelist(osv.osv): def _pricelist_type_get(self, cr, uid, context=None): pricelist_type_obj = self.pool.get('product.pricelist.type') pricelist_type_ids = pricelist_type_obj.search(cr, uid, [], order='name') pricelist_types = pricelist_type_obj.read(cr, uid, pricelist_type_ids, ['key','name'], context=context) res = [] for type in pricelist_types: res.append((type['key'],type['name'])) return res _name = "product.pricelist" _description = "Pricelist" _order = 'name' _columns = { 'name': fields.char('Pricelist Name',size=64, required=True, translate=True), 'active': fields.boolean('Active', help="If unchecked, it will allow you to hide the pricelist without removing it."), 'type': fields.selection(_pricelist_type_get, 'Pricelist Type', required=True), 'version_id': fields.one2many('product.pricelist.version', 'pricelist_id', 'Pricelist Versions'), 'currency_id': fields.many2one('res.currency', 'Currency', required=True), 'company_id': fields.many2one('res.company', 'Company'), } def name_get(self, cr, uid, ids, context=None): result= [] if not all(ids): return result for pl in self.browse(cr, uid, ids, context=context): name = pl.name + ' ('+ pl.currency_id.name + ')' result.append((pl.id,name)) return result def name_search(self, cr, uid, name, args=None, operator='ilike', context=None, limit=100): if name and operator == '=' and not args: # search on the name of the pricelist and its currency, opposite of name_get(), # Used by the magic context filter in the product search view. query_args = {'name': name, 'limit': limit} query = """SELECT p.id FROM product_pricelist p JOIN res_currency c ON (p.currency_id = c.id) WHERE p.name || ' (' || c.name || ')' = %(name)s ORDER BY p.name""" if limit: query += " LIMIT %(limit)s" cr.execute(query, query_args) ids = [r[0] for r in cr.fetchall()] # regular search() to apply ACLs - may limit results below limit in some cases ids = self.search(cr, uid, [('id', 'in', ids)], limit=limit, context=context) if ids: return self.name_get(cr, uid, ids, context) return super(product_pricelist, self).name_search( cr, uid, name, args, operator=operator, context=context, limit=limit) def _get_currency(self, cr, uid, ctx): comp = self.pool.get('res.users').browse(cr, uid, uid).company_id if not comp: comp_id = self.pool.get('res.company').search(cr, uid, [])[0] comp = self.pool.get('res.company').browse(cr, uid, comp_id) return comp.currency_id.id _defaults = { 'active': lambda *a: 1, "currency_id": _get_currency } #def price_get_multi(self, cr, uid, product_ids, context=None): def price_get_multi(self, cr, uid, pricelist_ids, products_by_qty_by_partner, context=None): """multi products 'price_get'. @param pricelist_ids: @param products_by_qty: @param partner: @param context: { 'date': Date of the pricelist (%Y-%m-%d),} @return: a dict of dict with product_id as key and a dict 'price by pricelist' as value """ def _create_parent_category_list(id, lst): if not id: return [] parent = product_category_tree.get(id) if parent: lst.append(parent) return _create_parent_category_list(parent, lst) else: return lst # _create_parent_category_list if context is None: context = {} date = time.strftime('%Y-%m-%d') if 'date' in context: date = context['date'] currency_obj = self.pool.get('res.currency') product_obj = self.pool.get('product.product') product_category_obj = self.pool.get('product.category') product_uom_obj = self.pool.get('product.uom') supplierinfo_obj = self.pool.get('product.supplierinfo') price_type_obj = self.pool.get('product.price.type') # product.pricelist.version: if not pricelist_ids: pricelist_ids = self.pool.get('product.pricelist').search(cr, uid, [], context=context) pricelist_version_ids = self.pool.get('product.pricelist.version').search(cr, uid, [ ('pricelist_id', 'in', pricelist_ids), '|', ('date_start', '=', False), ('date_start', '<=', date), '|', ('date_end', '=', False), ('date_end', '>=', date), ]) if len(pricelist_ids) != len(pricelist_version_ids): raise osv.except_osv(_('Warning!'), _("At least one pricelist has no active version !\nPlease create or activate one.")) # product.product: product_ids = [i[0] for i in products_by_qty_by_partner] #products = dict([(item['id'], item) for item in product_obj.read(cr, uid, product_ids, ['categ_id', 'product_tmpl_id', 'uos_id', 'uom_id'])]) products = product_obj.browse(cr, uid, product_ids, context=context) products_dict = dict([(item.id, item) for item in products]) # product.category: product_category_ids = product_category_obj.search(cr, uid, []) product_categories = product_category_obj.read(cr, uid, product_category_ids, ['parent_id']) product_category_tree = dict([(item['id'], item['parent_id'][0]) for item in product_categories if item['parent_id']]) results = {} for product_id, qty, partner in products_by_qty_by_partner: for pricelist_id in pricelist_ids: price = False tmpl_id = products_dict[product_id].product_tmpl_id and products_dict[product_id].product_tmpl_id.id or False categ_id = products_dict[product_id].categ_id and products_dict[product_id].categ_id.id or False categ_ids = _create_parent_category_list(categ_id, [categ_id]) if categ_ids: categ_where = '(categ_id IN (' + ','.join(map(str, categ_ids)) + '))' else: categ_where = '(categ_id IS NULL)' if partner: partner_where = 'base <> -2 OR %s IN (SELECT name FROM product_supplierinfo WHERE product_id = %s) ' partner_args = (partner, tmpl_id) else: partner_where = 'base <> -2 ' partner_args = () cr.execute( 'SELECT i.*, pl.currency_id ' 'FROM product_pricelist_item AS i, ' 'product_pricelist_version AS v, product_pricelist AS pl ' 'WHERE (product_tmpl_id IS NULL OR product_tmpl_id = %s) ' 'AND (product_id IS NULL OR product_id = %s) ' 'AND (' + categ_where + ' OR (categ_id IS NULL)) ' 'AND (' + partner_where + ') ' 'AND price_version_id = %s ' 'AND (min_quantity IS NULL OR min_quantity <= %s) ' 'AND i.price_version_id = v.id AND v.pricelist_id = pl.id ' 'ORDER BY sequence', (tmpl_id, product_id) + partner_args + (pricelist_version_ids[0], qty)) res1 = cr.dictfetchall() uom_price_already_computed = False for res in res1: if res: if res['base'] == -1: if not res['base_pricelist_id']: price = 0.0 else: price_tmp = self.price_get(cr, uid, [res['base_pricelist_id']], product_id, qty, context=context)[res['base_pricelist_id']] ptype_src = self.browse(cr, uid, res['base_pricelist_id']).currency_id.id uom_price_already_computed = True price = currency_obj.compute(cr, uid, ptype_src, res['currency_id'], price_tmp, round=False, context=context) elif res['base'] == -2: # this section could be improved by moving the queries outside the loop: where = [] if partner: where = [('name', '=', partner) ] sinfo = supplierinfo_obj.search(cr, uid, [('product_id', '=', tmpl_id)] + where) price = 0.0 if sinfo: qty_in_product_uom = qty product_default_uom = product_obj.read(cr, uid, [product_id], ['uom_id'])[0]['uom_id'][0] supplier = supplierinfo_obj.browse(cr, uid, sinfo, context=context)[0] seller_uom = supplier.product_uom and supplier.product_uom.id or False if seller_uom and product_default_uom and product_default_uom != seller_uom: uom_price_already_computed = True qty_in_product_uom = product_uom_obj._compute_qty(cr, uid, product_default_uom, qty, to_uom_id=seller_uom) cr.execute('SELECT * ' \ 'FROM pricelist_partnerinfo ' \ 'WHERE suppinfo_id IN %s' \ 'AND min_quantity <= %s ' \ 'ORDER BY min_quantity DESC LIMIT 1', (tuple(sinfo),qty_in_product_uom,)) res2 = cr.dictfetchone() if res2: price = res2['price'] else: price_type = price_type_obj.browse(cr, uid, int(res['base'])) uom_price_already_computed = True price = currency_obj.compute(cr, uid, price_type.currency_id.id, res['currency_id'], product_obj.price_get(cr, uid, [product_id], price_type.field, context=context)[product_id], round=False, context=context) if price is not False: price_limit = price price = price * (1.0+(res['price_discount'] or 0.0)) price = rounding(price, res['price_round']) #TOFIX: rounding with tools.float_rouding price += (res['price_surcharge'] or 0.0) if res['price_min_margin']: price = max(price, price_limit+res['price_min_margin']) if res['price_max_margin']: price = min(price, price_limit+res['price_max_margin']) break else: # False means no valid line found ! But we may not raise an # exception here because it breaks the search price = False if price: results['item_id'] = res['id'] if 'uom' in context and not uom_price_already_computed: product = products_dict[product_id] uom = product.uos_id or product.uom_id price = product_uom_obj._compute_price(cr, uid, uom.id, price, context['uom']) if results.get(product_id): results[product_id][pricelist_id] = price else: results[product_id] = {pricelist_id: price} return results def price_get(self, cr, uid, ids, prod_id, qty, partner=None, context=None): res_multi = self.price_get_multi(cr, uid, pricelist_ids=ids, products_by_qty_by_partner=[(prod_id, qty, partner)], context=context) res = res_multi[prod_id] res.update({'item_id': {ids[-1]: res_multi.get('item_id', ids[-1])}}) return res class product_pricelist_version(osv.osv): _name = "product.pricelist.version" _description = "Pricelist Version" _columns = { 'pricelist_id': fields.many2one('product.pricelist', 'Price List', required=True, select=True, ondelete='cascade'), 'name': fields.char('Name', size=64, required=True, translate=True), 'active': fields.boolean('Active', help="When a version is duplicated it is set to non active, so that the " \ "dates do not overlaps with original version. You should change the dates " \ "and reactivate the pricelist"), 'items_id': fields.one2many('product.pricelist.item', 'price_version_id', 'Price List Items', required=True), 'date_start': fields.date('Start Date', help="First valid date for the version."), 'date_end': fields.date('End Date', help="Last valid date for the version."), 'company_id': fields.related('pricelist_id','company_id',type='many2one', readonly=True, relation='res.company', string='Company', store=True) } _defaults = { 'active': lambda *a: 1, } # We desactivate duplicated pricelists, so that dates do not overlap def copy(self, cr, uid, id, default=None, context=None): if not default: default= {} default['active'] = False return super(product_pricelist_version, self).copy(cr, uid, id, default, context) def _check_date(self, cursor, user, ids, context=None): for pricelist_version in self.browse(cursor, user, ids, context=context): if not pricelist_version.active: continue where = [] if pricelist_version.date_start: where.append("((date_end>='%s') or (date_end is null))" % (pricelist_version.date_start,)) if pricelist_version.date_end: where.append("((date_start<='%s') or (date_start is null))" % (pricelist_version.date_end,)) cursor.execute('SELECT id ' \ 'FROM product_pricelist_version ' \ 'WHERE '+' and '.join(where) + (where and ' and ' or '')+ 'pricelist_id = %s ' \ 'AND active ' \ 'AND id <> %s', ( pricelist_version.pricelist_id.id, pricelist_version.id)) if cursor.fetchall(): return False return True _constraints = [ (_check_date, 'You cannot have 2 pricelist versions that overlap!', ['date_start', 'date_end']) ] class product_pricelist_item(osv.osv): def _price_field_get(self, cr, uid, context=None): pt = self.pool.get('product.price.type') ids = pt.search(cr, uid, [], context=context) result = [] for line in pt.browse(cr, uid, ids, context=context): result.append((line.id, line.name)) result.append((-1, _('Other Pricelist'))) result.append((-2, _('Supplier Prices on the product form'))) return result _name = "product.pricelist.item" _description = "Pricelist item" _order = "sequence, min_quantity desc" _defaults = { 'base': lambda *a: -1, 'min_quantity': lambda *a: 0, 'sequence': lambda *a: 5, 'price_discount': lambda *a: 0, } def _check_recursion(self, cr, uid, ids, context=None): for obj_list in self.browse(cr, uid, ids, context=context): if obj_list.base == -1: main_pricelist = obj_list.price_version_id.pricelist_id.id other_pricelist = obj_list.base_pricelist_id.id if main_pricelist == other_pricelist: return False return True def _check_margin(self, cr, uid, ids, context=None): for item in self.browse(cr, uid, ids, context=context): if item.price_max_margin and item.price_min_margin and (item.price_min_margin > item.price_max_margin): return False return True _columns = { 'name': fields.char('Rule Name', size=64, help="Explicit rule name for this pricelist line."), 'price_version_id': fields.many2one('product.pricelist.version', 'Price List Version', required=True, select=True, ondelete='cascade'), 'product_tmpl_id': fields.many2one('product.template', 'Product Template', ondelete='cascade', help="Specify a template if this rule only applies to one product template. Keep empty otherwise."), 'product_id': fields.many2one('product.product', 'Product', ondelete='cascade', help="Specify a product if this rule only applies to one product. Keep empty otherwise."), 'categ_id': fields.many2one('product.category', 'Product Category', ondelete='cascade', help="Specify a product category if this rule only applies to products belonging to this category or its children categories. Keep empty otherwise."), 'min_quantity': fields.integer('Min. Quantity', required=True, help="Specify the minimum quantity that needs to be bought/sold for the rule to apply."), 'sequence': fields.integer('Sequence', required=True, help="Gives the order in which the pricelist items will be checked. The evaluation gives highest priority to lowest sequence and stops as soon as a matching item is found."), 'base': fields.selection(_price_field_get, 'Based on', required=True, size=-1, help="Base price for computation."), 'base_pricelist_id': fields.many2one('product.pricelist', 'Other Pricelist'), 'price_surcharge': fields.float('Price Surcharge', digits_compute= dp.get_precision('Product Price'), help='Specify the fixed amount to add or substract(if negative) to the amount calculated with the discount.'), 'price_discount': fields.float('Price Discount', digits=(16,4)), 'price_round': fields.float('Price Rounding', digits_compute= dp.get_precision('Product Price'), help="Sets the price so that it is a multiple of this value.\n" \ "Rounding is applied after the discount and before the surcharge.\n" \ "To have prices that end in 9.99, set rounding 10, surcharge -0.01" \ ), 'price_min_margin': fields.float('Min. Price Margin', digits_compute= dp.get_precision('Product Price'), help='Specify the minimum amount of margin over the base price.'), 'price_max_margin': fields.float('Max. Price Margin', digits_compute= dp.get_precision('Product Price'), help='Specify the maximum amount of margin over the base price.'), 'company_id': fields.related('price_version_id','company_id',type='many2one', readonly=True, relation='res.company', string='Company', store=True) } _constraints = [ (_check_recursion, 'Error! You cannot assign the Main Pricelist as Other Pricelist in PriceList Item!', ['base_pricelist_id']), (_check_margin, 'Error! The minimum margin should be lower than the maximum margin.', ['price_min_margin', 'price_max_margin']) ] def product_id_change(self, cr, uid, ids, product_id, context=None): if not product_id: return {} prod = self.pool.get('product.product').read(cr, uid, [product_id], ['code','name']) if prod[0]['code']: return {'value': {'name': prod[0]['code']}} return {} # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: