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##############################################################################
#
# Copyright (c) 2002, 2005 Nexedi SARL and Contributors. All Rights Reserved.
# Jean-Paul Smets-Solanes <jp@nexedi.com>
# Romain Courteaud <romain@nexedi.com>
#
# 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 AccessControl import ClassSecurityInfo
from Products.ERP5Type import Permissions, PropertySheet
from Products.ERP5Type.Accessor.Constant import PropertyGetter as ConstantGetter
from Products.ERP5Type.XMLMatrix import XMLMatrix
from erp5.component.document.Amount import Amount
from erp5.component.document.Path import Path
from Products.ERP5Type.Utils import convertToUpperCase
class SupplyLine(Path, Amount, XMLMatrix):
"""A Supply Line is a path to define price
"""
meta_type = 'ERP5 Supply Line'
portal_type = 'Supply Line'
add_permission = Permissions.AddPortalContent
isPredicate = ConstantGetter('isPredicate', value=True)
# Declarative security
security = ClassSecurityInfo()
security.declareObjectProtected(Permissions.AccessContentsInformation)
# Declarative properties
property_sheets = ( PropertySheet.Base
, PropertySheet.XMLObject
, PropertySheet.CategoryCore
, PropertySheet.Amount
, PropertySheet.Task
, PropertySheet.Arrow
, PropertySheet.Movement
, PropertySheet.Price
, PropertySheet.SupplyLine
, PropertySheet.VariationRange
, PropertySheet.Path
, PropertySheet.FlowCapacity
, PropertySheet.Predicate
, PropertySheet.Comment
, PropertySheet.Reference
)
#############################################
# Pricing methods
#############################################
security.declareProtected(Permissions.AccessContentsInformation,
'getPrice')
def getPrice(self):
# FIXME: this have to be done in an interaction wf
if getattr(self, 'price', None) is None:
self.price = 0.0
# Return the price
return self.price
security.declareProtected(Permissions.AccessContentsInformation,
'getTotalPrice')
def getTotalPrice(self):
"""
Returns the totals price for this line
"""
quantity = self.getQuantity() or 0.0
price = self.getPrice() or 0.0
return quantity * price
def _getPrice(self, context):
return 0.0
def _getTotalPrice(self, context):
return 0.0
security.declareProtected(Permissions.AccessContentsInformation,
'isAccountable')
def isAccountable(self):
"""Supply Line are not accounted.
"""
return 0
#############################################
# Predicate method
#############################################
asPredicate = Path.asPredicate
#############################################
# XMLMatrix methods
# XXX to be removed if possible
#############################################
security.declareProtected(Permissions.AccessContentsInformation,
'hasCellContent')
def hasCellContent(self, base_id='path'):
"""
This method can be overriden
"""
return XMLMatrix.hasCellContent(self, base_id=base_id)
security.declareProtected(Permissions.AccessContentsInformation,
'getCellValueList' )
def getCellValueList(self, base_id='path'):
"""
This method can be overriden
"""
return XMLMatrix.getCellValueList(self, base_id=base_id)
security.declareProtected(Permissions.AccessContentsInformation, 'getCell')
def getCell(self, *kw , **kwd):
"""
This method can be overriden
"""
kwd.setdefault('base_id', 'path')
return XMLMatrix.getCell(self, *kw, **kwd)
security.declareProtected(Permissions.ModifyPortalContent, 'newCell')
def newCell(self, *kw, **kwd):
"""
This method creates a new cell
"""
kwd.setdefault('base_id', 'path')
return XMLMatrix.newCell(self, *kw, **kwd)
############################################################
# Quantity predicate API
############################################################
security.declareProtected(Permissions.AccessContentsInformation,
'getQuantityPredicateIdList')
def getQuantityPredicateIdList(self, price_parameter):
"""
Return predicate id related to a price parameter.
"""
predicate_id_start_with = "quantity_range_"
if price_parameter not in ("base_price", "slice_base_price"):
predicate_id_start_with = "%s_%s" % \
(price_parameter, predicate_id_start_with)
# XXX Hardcoded portal type name
predicate_list = self.objectValues(portal_type='Predicate',
sort_on=('int_index', 'id'))
predicate_list.sort(key=lambda p: p.getIntIndex() or p.getId())
predicate_id_list = [x.getId() for x in predicate_list]
result = [x for x in predicate_id_list \
if x.startswith(predicate_id_start_with)]
return result
security.declareProtected(Permissions.AccessContentsInformation,
'getQuantityPredicateValueList')
def getQuantityPredicateValueList(self, price_parameter):
"""
Return predicate related to a price parameter.
"""
result = [self[x] for x in \
self.getQuantityPredicateIdList(price_parameter)]
return result
security.declareProtected(Permissions.AccessContentsInformation,
'getQuantityStepList')
def getQuantityStepList(self, *args, **kw):
"""
Return predicate step related to a price_parameter
"""
# We need to keep compatibility with generated accessor
price_parameter = kw.get('price_parameter', "base_price")
if price_parameter in ("base_price", "slice_base_price"):
method_name = "_baseGetQuantityStepList"
else:
method_name = 'get%sList' % \
convertToUpperCase("%s_quantity_step" % price_parameter)
return getattr(self, method_name)() or []
security.declareProtected(Permissions.ModifyPortalContent,
'updateQuantityPredicate')
def updateQuantityPredicate(self, price_parameter):
"""
Update the quantity predicate for this price parameter
"""
quantity_step_list = self.getQuantityStepList(price_parameter=price_parameter)
unused_predicate_id_set = self.getQuantityPredicateIdList(price_parameter)
if quantity_step_list:
quantity_step_list.sort()
quantity_step_list = [0] + quantity_step_list + [None]
getTitle = getattr(
self,
'SupplyLine_getTitle',
lambda min, max: (
(
'' if min is None else '%s <= ' % (min, )
) + 'quantity' + (
'' if max is None else ' < %s' % (max, )
)
),
)
predicate_id_start_with = "quantity_range"
if price_parameter not in ("base_price", "slice_base_price"):
predicate_id_start_with = "%s_%s" % (
price_parameter,
predicate_id_start_with,
)
for i in range(len(quantity_step_list) - 1):
min_quantity = quantity_step_list[i]
max_quantity = quantity_step_list[i + 1]
predicate_id = '%s_%s' % (predicate_id_start_with, i)
try:
predicate_value = self[predicate_id]
except KeyError:
# XXX Hardcoded portal type name
predicate_value = self.newContent(
id='%s_%s' % (predicate_id_start_with, i),
portal_type='Predicate',
int_index=i + 1,
)
else:
unused_predicate_id_set.remove(predicate_id)
predicate_value.setTitle(getTitle(min=min_quantity, max=max_quantity))
predicate_value.setCriterionPropertyList(('quantity', ))
predicate_value.setCriterion(
'quantity',
min=min_quantity,
max=(None if price_parameter == 'slice_base_price' else max_quantity),
)
if unused_predicate_id_set:
self.deleteContent(unused_predicate_id_set)