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##############################################################################
#
# Copyright (c) 2006,2007 Nexedi SARL and Contributors. All Rights Reserved.
# Rafael Monnerat <rafael@nexedi.com>
# Courteaud Romain <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 Globals import InitializeClass, PersistentMapping
from AccessControl import ClassSecurityInfo
from Products.ERP5Type import Permissions, PropertySheet, Constraint, Interface
from Products.ERP5.Document.DeliveryLine import DeliveryLine
from Products.ERP5.Document.Periodicity import Periodicity
from Products.ERP5.Document.Movement import Movement
class CalendarPeriod(Movement, Periodicity):
"""
Calendar Period is used to add available time of the user in a
period of Time
"""
meta_type = 'ERP5 Calendar Period'
portal_type = 'Calendar Period'
# Declarative security
security = ClassSecurityInfo()
security.declareObjectProtected(Permissions.AccessContentsInformation)
# Declarative properties
property_sheets = ( PropertySheet.Base
, PropertySheet.XMLObject
, PropertySheet.CategoryCore
, PropertySheet.DublinCore
, PropertySheet.Amount
, PropertySheet.Task
, PropertySheet.Movement
, PropertySheet.Arrow
, PropertySheet.Periodicity
, PropertySheet.Path
)
security.declareProtected(Permissions.AccessContentsInformation,
'isAccountable')
def isAccountable(self):
"""
For now, consider that it's always accountable
"""
return 1
security.declareProtected(Permissions.AccessContentsInformation,
'getDestinationUid')
def getDestinationUid(self, *args, **kw):
"""
Return the destination uid
"""
# XXX Should be configurable via acquisition
destination_value = self.getParentValue().getDestinationValue()
if destination_value is not None:
destination_uid = destination_value.getUid()
else:
destination_uid = self.getParentUid()
return destination_uid
security.declareProtected(Permissions.AccessContentsInformation,
'getInventoriatedQuantity')
def getInventoriatedQuantity(self, default=None, *args, **kw):
"""
Surcharged accessor to calculate the Quantity in second.
"""
quantity = self.getQuantity(*args, **kw)
if quantity in [None, 0]:
calendar_start_date = self.getStartDate()
calendar_stop_date = self.getStopDate()
if (calendar_start_date is not None) and (calendar_stop_date is not None):
# Convert Days to second
quantity = int(calendar_stop_date) - int(calendar_start_date)
else:
quantity = default
return quantity
security.declareProtected( Permissions.AccessContentsInformation,
'asMovementList')
def asMovementList(self):
"""
Generate multiple movement from a single one.
It is used for cataloging a movement multiple time in
the movement/stock tables.
Ex: a movement have multiple destinations.
asMovementList returns a list a movement context with different
single destination.
"""
result = []
for from_date, to_date in self._getDatePeriodList():
result.append(self.asContext(self, start_date=to_date,
stop_date=from_date))
return result
def _getDatePeriodList(self):
"""
Get all periods between periodicity start date
and periodicity stop date
"""
result = []
exception_value_list = self.contentValues(portal_type="Calendar Exception")
exception_date_list = [x.getExceptionDate() \
for x in exception_value_list]
exception_date_list = [x for x in exception_date_list if x is not None]
exception_date_list.sort()
if len(exception_date_list) != 0:
current_exception_date = exception_date_list.pop(0).Date()
else:
current_exception_date = None
start_date = self.getStartDate()
if start_date is not None:
stop_date = self.getStopDate(start_date)
periodicity_stop_date = self.getPeriodicityStopDate(
start_date)
duration = stop_date - start_date
# First date has to respect the periodicity config
next_start_date = self.getNextAlarmDate(start_date-1)
while (next_start_date is not None) and \
(next_start_date <= periodicity_stop_date):
# Check that next_start_date is not an exception
if (current_exception_date is not None) and \
(current_exception_date == next_start_date.Date()):
# We match an exception date
# So, don't return this value
# Update the next exception date
if len(exception_date_list) != 0:
current_exception_date = exception_date_list.pop(0).Date()
else:
current_exception_date = None
elif (current_exception_date is not None) and \
(current_exception_date < next_start_date.Date()):
# SQL method don't like iterator
# yield (next_start_date, next_start_date+duration)
result.append([next_start_date, next_start_date+duration])
# Update the next exception date
if len(exception_date_list) != 0:
current_exception_date = exception_date_list.pop(0).Date()
else:
current_exception_date = None
else:
# SQL method don't like iterator
# yield (next_start_date, next_start_date+duration)
result.append([next_start_date, next_start_date+duration])
next_start_date = self.getNextAlarmDate(next_start_date)
return result
def getNextAlarmDate(self, current_date, next_start_date=None):
"""
Get the next date where this periodic event should start.
"""
if next_start_date is None:
next_start_date = current_date
if next_start_date > current_date:
return
else:
# Make sure the old date is not too far away
nb_days = int(current_date-next_start_date)
next_start_date = next_start_date + nb_days
previous_date = next_start_date
next_start_date += 1
while 1:
if (self.validateDay(next_start_date)) and \
(self.validateWeek(next_start_date)) and \
(self.validateMonth(next_start_date)):
break
else:
next_start_date += 1
return next_start_date