# -*- coding: utf-8 -*- ############################################################################## # # Copyright (c) 2009 Nexedi SA and Contributors. All Rights Reserved. # Jean-Paul Smets-Solanes <jp@nexedi.com> # Yusuke Muraoka <yusuke@nexedi.com> # Ćukasz Nowak <luke@nexedi.com> # # WARNING: This program as such is intended to be used by professional # programmers who take the whole responsibility 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 # guarantees and support are strongly advised 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, interfaces from Products.ERP5.Document.Path import Path from Products.ERP5.Document.Predicate import Predicate import zope.interface class BusinessPath(Path, Predicate): """ The BusinessPath class embeds all information related to lead times and parties involved at a given phase of a business process. BusinessPath are also used as helper to build deliveries from buildable movements. The idea is to invoke isBuildable() on the collected simulation movements (which are orphan) during build "after select" process Here is the typical code of an alarm in charge of the building process:: builder = portal_deliveries.a_delivery_builder for business_path in builder.getDeliveryBuilderRelatedValueList(): builder.build(causality_uid=business_path.getUid(),) # Select movements Pros: global select is possible by not providing a causality_uid Cons: global select retrieves long lists of orphan movements which are not yet buildable the build process could be rather slow or require activities TODO: - merge build implementation from erp5_bpm business template to ERP5 product code with backward compatibility """ meta_type = 'ERP5 Business Path' portal_type = 'Business Path' # Declarative security security = ClassSecurityInfo() security.declareObjectProtected(Permissions.AccessContentsInformation) # Declarative properties property_sheets = ( PropertySheet.Base , PropertySheet.XMLObject , PropertySheet.CategoryCore , PropertySheet.DublinCore , PropertySheet.Folder , PropertySheet.Comment , PropertySheet.Arrow , PropertySheet.Chain , PropertySheet.SortIndex , PropertySheet.BusinessPath ) # Declarative interfaces zope.interface.implements(interfaces.ICategoryAccessProvider, interfaces.IArrowBase, interfaces.IBusinessPath, interfaces.IBusinessBuildable, interfaces.IBusinessCompletable, interfaces.IPredicate, ) # IArrowBase implementation security.declareProtected(Permissions.AccessContentsInformation, 'getSourceArrowBaseCategoryList') def getSourceArrowBaseCategoryList(self): """ Returns all categories which are used to define the source of this Arrow """ # Naive implementation - we must use category groups instead - XXX return ('source', 'source_account', 'source_administration', #'source_advice', #'source_carrier', #'source_decision', 'source_function', 'source_payment', 'source_project', #'source_referral', 'source_section', #'source_trade', #'source_transport' ) security.declareProtected(Permissions.AccessContentsInformation, 'getDestinationArrowBaseCategoryList') def getDestinationArrowBaseCategoryList(self): """ Returns all categories which are used to define the destination of this Arrow """ # Naive implementation - we must use category groups instead - XXX return ('destination', 'destination_account', 'destination_administration', #'destination_advice', #'destination_carrier', #'destination_decision', 'destination_function', 'destination_payment', 'destination_project', #'destination_referral', 'destination_section', #'destination_trade', #'destination_transport' ) # ICategoryAccessProvider overridden methods def _getCategoryMembershipList(self, category, **kw): """ Overridden in order to take into account dynamic arrow categories in case if no static categories are set on Business Path """ context = kw.pop('context') result = Path._getCategoryMembershipList(self, category, **kw) if len(result) > 0: return result if context is not None: dynamic_category_list = self._getDynamicCategoryList(context) dynamic_category_list = self._filterCategoryList(dynamic_category_list, category, **kw) result = dynamic_category_list return result def _getAcquiredCategoryMembershipList(self, category, **kw): """ Overridden in order to take into account dynamic arrow categories in case if no static categories are set on Business Path """ context = kw.pop('context', None) result = Path._getAcquiredCategoryMembershipList(self, category, **kw) if len(result) > 0: return result if context is not None: dynamic_category_list = self._getDynamicCategoryList(context) dynamic_category_list = self._filterCategoryList(dynamic_category_list, category, **kw) result = dynamic_category_list return result def _filterCategoryList(self, category_list, category, spec=(), filter=None, portal_type=(), base=0, keep_default=1, checked_permission=None): """ XXX - implementation missing TBD - look at CategoryTool._buildFilter for inspiration """ # basic filtering: # * remove categories which base name is not category # * respect base parameter prefix = category + '/' start_index = not base and len(prefix) or 0 return [category[start_index:] for category in category_list if category.startswith(prefix)] # Dynamic context based categories def _getDynamicCategoryList(self, context): return self._getDynamicSourceCategoryList(context) \ + self._getDynamicDestinationCategoryList(context) def _getDynamicSourceCategoryList(self, context): method_id = self.getSourceMethodId() if method_id: method = getattr(self, method_id) return method(context) return [] def _getDynamicDestinationCategoryList(self, context): method_id = self.getDestinationMethodId() if method_id: method = getattr(self, method_id) return method(context) return [] # IBusinessBuildable implementation def isBuildable(self, explanation): """ """ # check if there is at least one simulation movement which is not # delivered result = False if self.isCompleted(explanation) or self.isFrozen(explanation): return False # No need to build what was already built or frozen for simulation_movement in self.getRelatedSimulationMovementValueList( explanation): if simulation_movement.getDeliveryValue() is None: result = True predecessor = self.getPredecessorValue() if predecessor is None: return result # XXX FIXME TODO # For now isPartiallyCompleted is used, as it was # assumed to not implement isPartiallyBuildable, so in reality # isBuildable is implemented like isPartiallyBuildable # # But in some cases it might be needed to implement # isPartiallyBuildable, than isCompleted have to be used here # # Such cases are Business Processes using sequence not related # to simulation tree with much of compensations if predecessor.isPartiallyCompleted(explanation): return result return False def isPartiallyBuildable(self, explanation): """ Not sure if this will exist some day XXX """ def _getExplanationUidList(self, explanation): """Helper method to fetch really explanation related movements""" explanation_uid_list = [explanation.getUid()] # XXX: getCausalityRelatedValueList is oversimplification, assumes # that documents are sequenced like simulation movements, which # is wrong for found_explanation in explanation.getCausalityRelatedValueList( portal_type=self.getPortalDeliveryTypeList()) + \ explanation.getCausalityValueList(): explanation_uid_list.extend(self._getExplanationUidList( found_explanation)) return explanation_uid_list def build(self, explanation): """ Build """ builder_list = self.getDeliveryBuilderValueList() # Missing method for builder in builder_list: # chosen a way that builder is good enough to decide to select movements # which shall be really build (movement selection for build is builder # job, not business path job) builder.build(select_method_dict={ 'causality_uid': self.getUid(), 'explanation_uid': self._getExplanationUidList(explanation) }) # IBusinessCompletable implementation security.declareProtected(Permissions.AccessContentsInformation, 'isCompleted') def isCompleted(self, explanation): """ Looks at all simulation related movements and checks the simulation_state of the delivery """ acceptable_state_list = self.getCompletedStateList() for movement in self.getRelatedSimulationMovementValueList(explanation): if movement.getSimulationState() not in acceptable_state_list: return False return True security.declareProtected(Permissions.AccessContentsInformation, 'isPartiallyCompleted') def isPartiallyCompleted(self, explanation): """ Looks at all simulation related movements and checks the simulation_state of the delivery """ acceptable_state_list = self.getCompletedStateList() for movement in self.getRelatedSimulationMovementValueList(explanation): if movement.getSimulationState() in acceptable_state_list: return True return False security.declareProtected(Permissions.AccessContentsInformation, 'isFrozen') def isFrozen(self, explanation): """ Looks at all simulation related movements and checks if frozen """ movement_list = self.getRelatedSimulationMovementValueList(explanation) if len(movement_list) == 0: return False # Nothing to be considered as Frozen for movement in movement_list: if not movement.isFrozen(): return False return True def _recurseGetValueList(self, document, portal_type): """Helper method to recurse documents as deep as possible and returns list of document values matching portal_type""" return_list = [] for subdocument in document.contentValues(): if subdocument.getPortalType() == portal_type: return_list.append(subdocument) return_list.extend(self._recurseGetValueList(subdocument, portal_type)) return return_list def isMovementRelatedWithMovement(self, movement_value_a, movement_value_b): """Documentation in IBusinessPath""" movement_a_path_list = movement_value_a.getRelativeUrl().split('/') movement_b_path_list = movement_value_b.getRelativeUrl().split('/') if len(movement_a_path_list) == len(movement_b_path_list): if movement_value_a == movement_value_b: # same is related return True # same level, cannot be related return False index = 0 for movement_a_part in movement_a_path_list: try: movement_b_part = movement_b_path_list[index] except IndexError: # so far was good, they are related return True if movement_a_part != movement_b_part: return False index += 1 # movement_a_path_list was shorter than movement_b_path_list and matched # so they are related return True def _isDeliverySimulationMovementRelated(self, delivery, simulation_movement): """Helper method, which checks if simulation_movement is BPM like related with delivery""" for delivery_simulation_movement in self \ ._getDeliverySimulationMovementList(delivery): if self.isMovementRelatedWithMovement(delivery_simulation_movement, simulation_movement): return True return False def _getDeliverySimulationMovementList(self, delivery): """Returns list of simulation movements related to delivery by applied rule or delivery's movements""" movement_list = [] for applied_rule in delivery.getCausalityRelatedValueList( portal_type='Applied Rule'): movement_list.extend(applied_rule.contentValues( portal_type='Simulation Movement')) for movement in delivery.getMovementList(): movement_list.extend(movement.getDeliveryRelatedValueList( portal_type='Simulation Movement')) return movement_list # IPredicate implementation security.declareProtected(Permissions.AccessContentsInformation, 'test') def test(self, *args, **kw): """ Returns whether the business path is used or not by a given movement context. If test method is not defined in a business path, returns True """ if not self.getTestMethodId(): return True return Predicate.test(self, *args, **kw) # IBusinessPath implementation security.declareProtected(Permissions.AccessContentsInformation, 'getRelatedSimulationMovementValueList') def getRelatedSimulationMovementValueList(self, explanation): """ Returns recursively all Simulation Movements indirectly related to explanation and self As business sequence is not related to simulation tree need to built full simulation trees per applied rule """ # FIXME: Needed better implementation, maybe use catalog? simulation_movement_value_list = [] # first tree from root Applied Rules related to delivery itself for applied_rule in explanation.getCausalityRelatedValueList( portal_type='Applied Rule'): simulation_movement_value_list.extend(self._recurseGetValueList( applied_rule, 'Simulation Movement')) # now tree from root Applied Rules related to movements used to build delivery root_applied_rule_list = [] for movement in explanation.getMovementList(): for simulation_movement in movement.getDeliveryRelatedValueList( portal_type='Simulation Movement'): applied_rule = simulation_movement.getRootAppliedRule() if applied_rule not in root_applied_rule_list: root_applied_rule_list.append( simulation_movement.getRootAppliedRule()) for applied_rule in root_applied_rule_list: simulation_movement_value_list.extend(self._recurseGetValueList( applied_rule, 'Simulation Movement')) return [simulation_movement.getObject() for simulation_movement in simulation_movement_value_list # this business path if simulation_movement.getCausalityValue() == self # related with explanation and self._isDeliverySimulationMovementRelated( explanation, simulation_movement)] def getExpectedQuantity(self, explanation, *args, **kwargs): """ Returns the expected stop date for this path based on the explanation. XXX predecessor_quantity argument is required? """ if self.getQuantity(): return self.getQuantity() elif self.getEfficiency(): return explanation.getQuantity() * self.getEfficiency() else: return explanation.getQuantity() def getExpectedStartDate(self, explanation, predecessor_date=None, *args, **kwargs): """ Returns the expected start date for this path based on the explanation. predecessor_date -- if provided, computes the date base on the date value provided """ return self._getExpectedDate(explanation, self._getRootExplanationExpectedStartDate, self._getPredecessorExpectedStartDate, self._getSuccessorExpectedStartDate, predecessor_date=predecessor_date, *args, **kwargs) def _getRootExplanationExpectedStartDate(self, explanation, *args, **kwargs): if self.getParentValue().isStartDateReferential(): return explanation.getStartDate() else: expected_date = self.getExpectedStopDate(explanation, *args, **kwargs) if expected_date is not None: return expected_date - self.getLeadTime() def _getPredecessorExpectedStartDate(self, explanation, predecessor_date=None, *args, **kwargs): if predecessor_date is None: node = self.getPredecessorValue() if node is not None: predecessor_date = node.getExpectedCompletionDate(explanation, *args, **kwargs) if predecessor_date is not None: return predecessor_date + self.getWaitTime() def _getSuccessorExpectedStartDate(self, explanation, *args, **kwargs): node = self.getSuccessorValue() if node is not None: expected_date = node.getExpectedBeginningDate(explanation, *args, **kwargs) if expected_date is not None: return expected_date - self.getLeadTime() def getExpectedStopDate(self, explanation, predecessor_date=None, *args, **kwargs): """ Returns the expected stop date for this path based on the explanation. predecessor_date -- if provided, computes the date base on the date value provided """ return self._getExpectedDate(explanation, self._getRootExplanationExpectedStopDate, self._getPredecessorExpectedStopDate, self._getSuccessorExpectedStopDate, predecessor_date=predecessor_date, *args, **kwargs) def _getRootExplanationExpectedStopDate(self, explanation, *args, **kwargs): if self.getParentValue().isStopDateReferential(): return explanation.getStopDate() else: expected_date = self.getExpectedStartDate(explanation, *args, **kwargs) if expected_date is not None: return expected_date + self.getLeadTime() def _getPredecessorExpectedStopDate(self, explanation, *args, **kwargs): node = self.getPredecessorValue() if node is not None: expected_date = node.getExpectedCompletionDate(explanation, *args, **kwargs) if expected_date is not None: return expected_date + self.getWaitTime() + self.getLeadTime() def _getSuccessorExpectedStopDate(self, explanation, *args, **kwargs): node = self.getSuccessorValue() if node is not None: return node.getExpectedBeginningDate(explanation, *args, **kwargs) def _getExpectedDate(self, explanation, root_explanation_method, predecessor_method, successor_method, visited=None, *args, **kwargs): """ Returns the expected stop date for this path based on the explanation. root_explanation_method -- used when the path is root explanation predecessor_method --- used to get expected date of side of predecessor successor_method --- used to get expected date of side of successor visited -- only used to prevent infinite recursion internally """ if visited is None: visited = [] # mark the path as visited if self not in visited: visited.append(self) if self.isDeliverable(): return root_explanation_method( explanation, visited=visited, *args, **kwargs) predecessor_expected_date = predecessor_method( explanation, visited=visited, *args, **kwargs) successor_expected_date = successor_method( explanation, visited=visited, *args, **kwargs) if successor_expected_date is not None or \ predecessor_expected_date is not None: # return minimum expected date but it is not None if successor_expected_date is None: return predecessor_expected_date elif predecessor_expected_date is None: return successor_expected_date else: if predecessor_expected_date < successor_expected_date: return predecessor_expected_date else: return successor_expected_date