odoo/addons/product/product.py

613 lines
27 KiB
Python

# -*- encoding: utf-8 -*-
##############################################################################
#
# Copyright (c) 2004-2008 TINY SPRL. (http://tiny.be) All Rights Reserved.
#
# $Id$
#
# WARNING: This program as such is intended to be used by professional
# programmers who take the whole responsability of assessing all potential
# consequences resulting from its eventual inadequacies and bugs
# End users who are looking for a ready-to-use solution with commercial
# garantees and support are strongly adviced to contract a Free Software
# Service Company
#
# This program is Free Software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
##############################################################################
from osv import osv, fields
import pooler
import math
from _common import rounding
from tools import config
def is_pair(x):
return not x%2
#----------------------------------------------------------
# UOM
#----------------------------------------------------------
class product_uom_categ(osv.osv):
_name = 'product.uom.categ'
_description = 'Product uom categ'
_columns = {
'name': fields.char('Name', size=64, required=True),
}
product_uom_categ()
class product_uom(osv.osv):
_name = 'product.uom'
_description = 'Product Unit of Measure'
def _factor(self, cursor, user, ids, name, arg, context):
res = {}
for uom in self.browse(cursor, user, ids, context=context):
if uom.factor:
if uom.factor_inv_data:
res[uom.id] = uom.factor_inv_data
else:
res[uom.id] = round(1 / uom.factor, 6)
else:
res[uom.id] = 0.0
return res
def _factor_inv(self, cursor, user, id, name, value, arg, context):
ctx = context.copy()
if 'read_delta' in ctx:
del ctx['read_delta']
if value:
data = 0.0
if round(1 / round(1/value, 6), 6) != value:
data = value
self.write(cursor, user, id, {
'factor': round(1/value, 6),
'factor_inv_data': data,
}, context=ctx)
else:
self.write(cursor, user, id, {
'factor': 0.0,
'factor_inv_data': 0.0,
}, context=ctx)
_columns = {
'name': fields.char('Name', size=64, required=True),
'category_id': fields.many2one('product.uom.categ', 'UOM Category', required=True, ondelete='cascade'),
'factor': fields.float('Rate', digits=(12, 6), required=True,
help='The coefficient for the formula:\n' \
'1 (base unit) = coef (this unit)'),
'factor_inv': fields.function(_factor, fnct_inv=_factor_inv, digits=(12, 6),
method=True, string='Factor',
help='The coefficient for the formula:\n' \
'coef (base unit) = 1 (this unit)'),
'factor_inv_data': fields.float('Factor', digits=(12, 6)),
'rounding': fields.float('Rounding Precision', digits=(16, 3), required=True),
'active': fields.boolean('Active'),
}
_defaults = {
'factor': lambda *a: 1.0,
'factor_inv': lambda *a: 1.0,
'active': lambda *a: 1,
'rounding': lambda *a: 0.01,
}
def _compute_qty(self, cr, uid, from_uom_id, qty, to_uom_id=False):
if not from_uom_id or not qty or not to_uom_id:
return qty
uoms = self.browse(cr, uid, [from_uom_id, to_uom_id])
if uoms[0].id == from_uom_id:
from_unit, to_unit = uoms[0], uoms[-1]
else:
from_unit, to_unit = uoms[-1], uoms[0]
if from_unit.category_id.id <> to_unit.category_id.id:
return qty
if from_unit['factor_inv_data']:
amount = qty * from_unit['factor_inv_data']
else:
amount = qty / from_unit['factor']
if to_uom_id:
if to_unit['factor_inv_data']:
amount = rounding(amount / to_unit['factor_inv_data'], to_unit['rounding'])
else:
amount = rounding(amount * to_unit['factor'], to_unit['rounding'])
return amount
def _compute_price(self, cr, uid, from_uom_id, price, to_uom_id=False):
if not from_uom_id or not price or not to_uom_id:
return price
uoms = self.browse(cr, uid, [from_uom_id, to_uom_id])
if uoms[0].id == from_uom_id:
from_unit, to_unit = uoms[0], uoms[-1]
else:
from_unit, to_unit = uoms[-1], uoms[0]
if from_unit.category_id.id <> to_unit.category_id.id:
return price
if from_unit.factor_inv_data:
amount = price / from_unit.factor_inv_data
else:
amount = price * from_unit.factor
if to_uom_id:
if to_unit.factor_inv_data:
amount = amount * to_unit.factor_inv_data
else:
amount = amount / to_unit.factor
return amount
def onchange_factor_inv(self, cursor, user, ids, value):
if value == 0.0:
return {'value': {'factor': 0}}
return {'value': {'factor': round(1/value, 6)}}
def onchange_factor(self, cursor, user, ids, value):
if value == 0.0:
return {'value': {'factor_inv': 0}}
return {'value': {'factor_inv': round(1/value, 6)}}
product_uom()
class product_ul(osv.osv):
_name = "product.ul"
_description = "Shipping Unit"
_columns = {
'name' : fields.char('Name', size=64,select=True),
'type' : fields.selection([('unit','Unit'),('pack','Pack'),('box', 'Box'), ('palet', 'Palet')], 'Type', required=True),
}
product_ul()
#----------------------------------------------------------
# Categories
#----------------------------------------------------------
class product_category(osv.osv):
def name_get(self, cr, uid, ids, context={}):
if not len(ids):
return []
reads = self.read(cr, uid, ids, ['name','parent_id'], context)
res = []
for record in reads:
name = record['name']
if record['parent_id']:
name = record['parent_id'][1]+' / '+name
res.append((record['id'], name))
return res
def _name_get_fnc(self, cr, uid, ids, prop, unknow_none, context):
res = self.name_get(cr, uid, ids)
return dict(res)
_name = "product.category"
_description = "Product Category"
_columns = {
'name': fields.char('Name', size=64, required=True),
'complete_name': fields.function(_name_get_fnc, method=True, type="char", string='Name'),
'parent_id': fields.many2one('product.category','Parent Category', select=True),
'child_id': fields.one2many('product.category', 'parent_id', string='Childs Categories'),
'sequence': fields.integer('Sequence'),
}
_order = "sequence"
def _check_recursion(self, cr, uid, ids):
level = 100
while len(ids):
cr.execute('select distinct parent_id from product_category where id in ('+','.join(map(str,ids))+')')
ids = filter(None, map(lambda x:x[0], cr.fetchall()))
if not level:
return False
level -= 1
return True
_constraints = [
(_check_recursion, 'Error ! You can not create recursive categories.', ['parent_id'])
]
def child_get(self, cr, uid, ids):
return [ids]
product_category()
#----------------------------------------------------------
# Products
#----------------------------------------------------------
class product_template(osv.osv):
_name = "product.template"
_description = "Product Template"
def _calc_seller_delay(self, cr, uid, ids, name, arg, context={}):
result = {}
for product in self.browse(cr, uid, ids, context):
if product.seller_ids:
result[product.id] = product.seller_ids[0].delay
else:
result[product.id] = 1
return result
_columns = {
'name': fields.char('Name', size=64, required=True, translate=True, select=True),
'product_manager': fields.many2one('res.users','Product Manager'),
'description': fields.text('Description'),
'description_purchase': fields.text('Purchase Description'),
'description_sale': fields.text('Sale Description'),
'type': fields.selection([('product','Stockable Product'),('consu', 'Consumable'),('service','Service')], 'Product Type', required=True, help="Will change the way procurements are processed, consumable are stockable products with infinite stock, or without a stock management in the system."),
'supply_method': fields.selection([('produce','Produce'),('buy','Buy')], 'Supply method', required=True, help="Produce will generate production order or tasks, according to the product type. Purchase will trigger purchase orders when requested."),
'sale_delay': fields.float('Customer Lead Time', help="This is the average time between the confirmation of the customer order and the delivery of the finnished products. It's the time you promise to your customers."),
'produce_delay': fields.float('Manufacturing Lead Time', help="Average time to produce this product. This is only for the production order and, if it is a multi-level bill of material, it's only for the level of this product. Different delays will be summed for all levels and purchase orders."),
'procure_method': fields.selection([('make_to_stock','Make to Stock'),('make_to_order','Make to Order')], 'Procure Method', required=True, help="'Make to Stock': When needed, take from the stock or wait until refurnishing. 'Make to Order': When needed, purchase or produce for the procurement request."),
'rental': fields.boolean('Rentable product'),
'categ_id': fields.many2one('product.category','Category', required=True, change_default=True),
'list_price': fields.float('Sale Price', digits=(16, int(config['price_accuracy']))),
'standard_price': fields.float('Cost Price', required=True, digits=(16, int(config['price_accuracy']))),
'volume': fields.float('Volume', help="The weight in Kg."),
'weight': fields.float('Gross weight'),
'weight_net': fields.float('Net weight'),
'cost_method': fields.selection([('standard','Standard Price'), ('average','Average Price')], 'Costing Method', required=True),
'warranty': fields.float('Warranty (months)'),
'sale_ok': fields.boolean('Can be sold', help="Determine if the product can be visible in the list of product within a selection from a sale order line."),
'purchase_ok': fields.boolean('Can be Purchased', help="Determine if the product is visible in the list of products within a selection from a purchase order line."),
'uom_id': fields.many2one('product.uom', 'Default UoM', required=True, help="This is the default Unit of Measure used for all stock operation."),
'uom_po_id': fields.many2one('product.uom', 'Purchase UoM', required=True),
'state': fields.selection([('',''),('draft', 'In Development'),('sellable','In Production'),('end','End of Lifecycle'),('obsolete','Obsolete')], 'Status', help="Tells the user if he can use the product or not."),
'uos_id' : fields.many2one('product.uom', 'Unit of Sale',
help='Keep empty to use the default UOM'),
'uos_coeff': fields.float('UOM -> UOS Coeff', digits=(16,4),
help='Coefficient to convert UOM to UOS\n'
' uom = uos * coeff'),
'mes_type': fields.selection((('fixed', 'Fixed'), ('variable', 'Variable')), 'Measure Type', required=True),
'tracking': fields.boolean('Track Lots', help="Force to use a Production Lot number during stock operations for traceability."),
'seller_delay': fields.function(_calc_seller_delay, method=True, type='integer', string='Supplier Lead Time', help="This is the average delay in days between the purchase order confirmation and the reception of goods for this product and for the default supplier. It is used by the scheduler to order requests based on reordering delays."),
'seller_ids': fields.one2many('product.supplierinfo', 'product_id', 'Partners'),
'loc_rack': fields.char('Rack', size=16),
'loc_row': fields.char('Row', size=16),
'loc_case': fields.char('Case', size=16),
}
def _get_uom_id(self, cr, uid, *args):
cr.execute('select id from product_uom order by id limit 1')
res = cr.fetchone()
return res and res[0] or False
_defaults = {
'type': lambda *a: 'product',
'list_price': lambda *a: 1,
'cost_method': lambda *a: 'standard',
'supply_method': lambda *a: 'buy',
'standard_price': lambda *a: 1,
'sale_ok': lambda *a: 1,
'sale_delay': lambda *a: 7,
'produce_delay': lambda *a: 1,
'purchase_ok': lambda *a: 1,
'procure_method': lambda *a: 'make_to_stock',
'uom_id': _get_uom_id,
'uom_po_id': _get_uom_id,
'uos_coeff' : lambda *a: 1.0,
'mes_type' : lambda *a: 'fixed',
}
def _check_uom(self, cursor, user, ids):
for product in self.browse(cursor, user, ids):
if product.uom_id.id <> product.uom_po_id.id:
return False
return True
def _check_uos(self, cursor, user, ids):
for product in self.browse(cursor, user, ids):
if product.uos_id \
and product.uos_id.category_id.id \
== product.uom_id.category_id.id:
return False
return True
_constraints = [
(_check_uos, 'Error: UOS must be in a different category than the UOM', ['uos_id']),
(_check_uom, 'Error: The default UOM and the purchase UOM must be in the same category.', ['uom_id']),
]
def name_get(self, cr, user, ids, context={}):
if 'partner_id' in context:
pass
return super(product_template, self).name_get(cr, user, ids, context)
product_template()
class product_product(osv.osv):
def view_header_get(self, cr, uid, view_id, view_type, context):
res = super(product_product, self).view_header_get(cr, uid, view_id, view_type, context)
if res: return res
if (not context.get('categ_id', False)):
return False
return _('Products: ')+self.pool.get('product.category').browse(cr, uid, context['categ_id'], context).name
def _product_price(self, cr, uid, ids, name, arg, context={}):
res = {}
quantity = context.get('quantity', 1)
pricelist = context.get('pricelist', False)
if pricelist:
for id in ids:
price = self.pool.get('product.pricelist').price_get(cr,uid,[pricelist], id, quantity, context=context)[pricelist]
res[id] = price
for id in ids:
res.setdefault(id, 0.0)
return res
def _get_product_available_func(states, what):
def _product_available(self, cr, uid, ids, name, arg, context={}):
return {}.fromkeys(ids, 0.0)
return _product_available
_product_qty_available = _get_product_available_func(('done',), ('in', 'out'))
_product_virtual_available = _get_product_available_func(('confirmed','waiting','assigned','done'), ('in', 'out'))
_product_outgoing_qty = _get_product_available_func(('confirmed','waiting','assigned'), ('out',))
_product_incoming_qty = _get_product_available_func(('confirmed','waiting','assigned'), ('in',))
def _product_lst_price(self, cr, uid, ids, name, arg, context=None):
res = {}
product_uom_obj = self.pool.get('product.uom')
for id in ids:
res.setdefault(id, 0.0)
for product in self.browse(cr, uid, ids, context=context):
if 'uom' in context:
uom = product.uos_id or product.uom_id
res[product.id] = product_uom_obj._compute_price(cr, uid,
uom.id, product.list_price, context['uom'])
else:
res[product.id] = product.list_price
return res
def _get_partner_code_name(self, cr, uid, ids, product_id, partner_id, context={}):
product = self.browse(cr, uid, [product_id], context)[0]
for supinfo in product.seller_ids:
if supinfo.name.id == partner_id:
return {'code': supinfo.product_code, 'name': supinfo.product_name}
return {'code' : product.default_code, 'name' : product.name}
def _product_code(self, cr, uid, ids, name, arg, context={}):
res = {}
for p in self.browse(cr, uid, ids, context):
res[p.id] = self._get_partner_code_name(cr, uid, [], p.id, context.get('partner_id', None), context)['code']
return res
def _product_partner_ref(self, cr, uid, ids, name, arg, context={}):
res = {}
for p in self.browse(cr, uid, ids, context):
data = self._get_partner_code_name(cr, uid, [], p.id, context.get('partner_id', None), context)
res[p.id] = (data['code'] and ('['+data['code']+'] ') or '') + \
(data['name'] or '')
return res
_defaults = {
'active': lambda *a: 1,
'price_extra': lambda *a: 0.0,
'price_margin': lambda *a: 1.0,
}
_name = "product.product"
_description = "Product"
_table = "product_product"
_inherits = {'product.template': 'product_tmpl_id'}
_columns = {
'qty_available': fields.function(_product_qty_available, method=True, type='float', string='Real Stock'),
'virtual_available': fields.function(_product_virtual_available, method=True, type='float', string='Virtual Stock'),
'incoming_qty': fields.function(_product_incoming_qty, method=True, type='float', string='Incoming'),
'outgoing_qty': fields.function(_product_outgoing_qty, method=True, type='float', string='Outgoing'),
'price': fields.function(_product_price, method=True, type='float', string='Customer Price', digits=(16, int(config['price_accuracy']))),
'lst_price' : fields.function(_product_lst_price, method=True, type='float', string='List Price', digits=(16, int(config['price_accuracy']))),
'code': fields.function(_product_code, method=True, type='char', string='Code'),
'partner_ref' : fields.function(_product_partner_ref, method=True, type='char', string='Customer ref'),
'default_code' : fields.char('Code', size=64),
'active': fields.boolean('Active'),
'variants': fields.char('Variants', size=64),
'product_tmpl_id': fields.many2one('product.template', 'Product Template', required=True),
'ean13': fields.char('EAN13', size=13),
'packaging' : fields.one2many('product.packaging', 'product_id', 'Palettization', help="Gives the different ways to package the same product. This has no impact on the packing order and is mainly used if you use the EDI module."),
'price_extra': fields.float('Variant Price Extra', digits=(16, int(config['price_accuracy']))),
'price_margin': fields.float('Variant Price Margin', digits=(16, int(config['price_accuracy']))),
}
def onchange_uom(self, cursor, user, ids, uom_id,uom_po_id):
if uom_id and uom_po_id:
uom_obj=self.pool.get('product.uom')
uom=uom_obj.browse(cursor,user,[uom_id])[0]
uom_po=uom_obj.browse(cursor,user,[uom_po_id])[0]
print uom.category_id.id , uom_po.category_id.id
if uom.category_id.id != uom_po.category_id.id:
return {'value': {'uom_po_id': uom_id}}
return False
def _check_ean_key(self, cr, uid, ids):
for partner in self.browse(cr, uid, ids):
if not partner.ean13:
continue
if len(partner.ean13) < 12:
return False
try:
int(partner.ean13)
except:
return False
sum=0
for i in range(12):
if is_pair(i):
sum += int(partner.ean13[i])
else:
sum += 3 * int(partner.ean13[i])
check = int(math.ceil(sum / 10.0) * 10 - sum)
if len(partner.ean13) == 12:
self.write(cr, uid, partner.id, {
'ean13': partner.ean13 + str(check)
})
elif check != int(partner.ean13[12]):
return False
return True
_constraints = [(_check_ean_key, 'Error: Invalid ean code', ['ean13'])]
def on_order(self, cr, uid, ids, orderline, quantity):
pass
def name_get(self, cr, user, ids, context={}):
if not len(ids):
return []
def _name_get(d):
#name = self._product_partner_ref(cr, user, [d['id']], '', '', context)[d['id']]
#code = self._product_code(cr, user, [d['id']], '', '', context)[d['id']]
name = d.get('name','')
code = d.get('default_code',False)
if code:
name = '[%s] %s' % (code,name)
if d['variants']:
name = name + ' - %s' % (d['variants'],)
return (d['id'], name)
result = map(_name_get, self.read(cr, user, ids, ['variants','name','default_code'], context))
return result
def name_search(self, cr, user, name='', args=None, operator='ilike', context=None, limit=80):
if not args:
args=[]
if not context:
context={}
ids = self.search(cr, user, [('default_code','=',name)]+ args, limit=limit, context=context)
if not len(ids):
ids = self.search(cr, user, [('ean13','=',name)]+ args, limit=limit, context=context)
if not len(ids):
ids = self.search(cr, user, [('default_code',operator,name)]+ args, limit=limit, context=context)
ids += self.search(cr, user, [('name',operator,name)]+ args, limit=limit, context=context)
result = self.name_get(cr, user, ids, context)
return result
#
# Could be overrided for variants matrices prices
#
def price_get(self, cr, uid, ids, ptype='list_price', context={}):
res = {}
product_uom_obj = self.pool.get('product.uom')
for product in self.browse(cr, uid, ids, context=context):
res[product.id] = product[ptype] or 0.0
if ptype == 'list_price':
res[product.id] = (res[product.id] * product.price_margin) + \
product.price_extra
if 'uom' in context:
uom = product.uos_id or product.uom_id
res[product.id] = product_uom_obj._compute_price(cr, uid,
uom.id, res[product.id], context['uom'])
return res
def copy(self, cr, uid, id, default=None, context=None):
if not context:
context={}
if ('variant' in context) and context['variant']:
fields = ['product_tmpl_id', 'active', 'variants', 'default_code',
'price_margin', 'price_extra']
data = self.read(cr, uid, id, fields=fields, context=context)
for f in fields:
if f in default:
data[f] = default[f]
data['product_tmpl_id'] = data.get('product_tmpl_id', False) \
and data['product_tmpl_id'][0]
del data['id']
return self.create(cr, uid, data)
else:
return super(product_product, self).copy(cr, uid, id, default=default,
context=context)
product_product()
class product_packaging(osv.osv):
_name = "product.packaging"
_description = "Conditionnement"
_rec_name = 'ean'
_columns = {
'name' : fields.char('Description', size=64),
'qty' : fields.float('Quantity by UL',
help="The total number of products you can put by UL."),
'ul' : fields.many2one('product.ul', 'Type of UL', required=True),
'ul_qty' : fields.integer('UL by layer'),
'rows' : fields.integer('Number of layer', required=True,
help='The number of layer on palette'),
'product_id' : fields.many2one('product.product', 'Product', select=1, ondelete='cascade', required=True),
'ean' : fields.char('EAN', size=14,
help="The EAN code of the transport unit."),
'code' : fields.char('Code', size=14,
help="The code of the transport unit."),
'weight': fields.float('Palette Weight',
help='The weight of the empty palette'),
'weight_ul': fields.float('UL Weight',
help='The weight of the empty UL'),
'height': fields.float('Height', help='The height of the palette'),
'width': fields.float('Width', help='The width of the palette'),
'length': fields.float('Length', help='The length of the palette'),
}
def _get_1st_ul(self, cr, uid, context={}):
cr.execute('select id from product_ul order by id asc limit 1')
res = cr.fetchone()
return (res and res[0]) or False
_defaults = {
'rows' : lambda *a : 3,
'ul' : _get_1st_ul,
}
def checksum(ean):
salt = '31' * 6 + '3'
sum = 0
for ean_part, salt_part in zip(ean, salt):
sum += int(ean_part) * int(salt_part)
return (10 - (sum % 10)) % 10
checksum = staticmethod(checksum)
product_packaging()
class product_supplierinfo(osv.osv):
_name = "product.supplierinfo"
_description = "Information about a product supplier"
_columns = {
'name' : fields.many2one('res.partner', 'Partner', required=True, ondelete='cascade'),
'product_name': fields.char('Partner product name', size=128),
'product_code': fields.char('Partner product reference', size=64),
'sequence' : fields.integer('Priority'),
'qty' : fields.float('Minimal quantity', required=True),
'product_id' : fields.many2one('product.template', 'Product', required=True, ondelete='cascade', select=True),
'delay' : fields.integer('Delivery delay', required=True),
'pricelist_ids': fields.one2many('pricelist.partnerinfo', 'suppinfo_id', 'Supplier Pricelist'),
}
_defaults = {
'qty': lambda *a: 0.0,
'delay': lambda *a: 1,
}
_order = 'sequence'
product_supplierinfo()
class pricelist_partnerinfo(osv.osv):
_name = 'pricelist.partnerinfo'
_columns = {
'name': fields.char('Description', size=64),
'suppinfo_id': fields.many2one('product.supplierinfo', 'Partner Information', required=True, ondelete='cascade'),
'min_quantity': fields.float('Quantity', required=True),
'price': fields.float('Unit Price', required=True, digits=(16, int(config['price_accuracy']))),
}
_order = 'min_quantity asc'
pricelist_partnerinfo()
# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: