############################################################################## # # Copyright (c) 2005 Nexedi SARL and Contributors. All Rights Reserved. # Jerome Perrin <jerome@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, getSecurityManager from MethodObject import Method from Globals import InitializeClass, DTMLFile from zLOG import LOG, PROBLEM from Products.CMFCore.utils import getToolByName from Products.ERP5Type.Tool.BaseTool import BaseTool from Products.ERP5Type import Permissions, PropertySheet from Products.ERP5Type.Cache import CachingMethod from Products.ERP5Type.Utils import convertToUpperCase from Products.ERP5Type.Accessor.TypeDefinition import list_types from Products.ERP5Form import _dtmldir from Products.ERP5Form.Document.Preference import Priority _marker = [] def updatePreferenceClassPropertySheetList(): # The Preference class should be imported from the common location # in ERP5Type since it could be overloaded in another product from Products.ERP5Type.Document.Preference import Preference # 'Static' property sheets defined on the class class_property_sheet_list = Preference.property_sheets # Time to lookup for preferences defined on other modules property_sheets = list(class_property_sheet_list) for id in dir(PropertySheet): if id.endswith('Preference'): ps = getattr(PropertySheet, id) if ps not in property_sheets: property_sheets.append(ps) class_property_sheet_list = tuple(property_sheets) Preference.property_sheets = class_property_sheet_list def createPreferenceToolAccessorList(portal) : """ Initialize all Preference methods on the preference tool. This method must be called on startup. This tool is capable of updating the list of Preference property sheets by looking at all registered property sheets and considering those which name ends with 'Preference' """ attr_list = [] typestool = getToolByName(portal, 'portal_types') pref_portal_type = typestool.getTypeInfo('Preference') # 'Dynamic' property sheets added through ZMI zmi_property_sheet_list = [] if pref_portal_type is None: LOG('ERP5Form.PreferenceTool', PROBLEM, 'Preference type information is not installed.') else: for property_sheet in pref_portal_type.property_sheet_list : try: zmi_property_sheet_list.append( getattr(__import__(property_sheet), property_sheet)) except ImportError, e : LOG('ERP5Form.PreferenceTool', PROBLEM, 'unable to import Property Sheet %s' % property_sheet, e) # 'Static' property sheets defined on the class # The Preference class should be imported from the common location # in ERP5Type since it could be overloaded in another product from Products.ERP5Type.Document.Preference import Preference class_property_sheet_list = Preference.property_sheets # We can now merge for property_sheet in ( tuple(zmi_property_sheet_list) + class_property_sheet_list ) : # then generate common method names for prop in property_sheet._properties : if not prop.get('preference', 0) : # only properties marked as preference are used continue attribute = prop['id'] attr_list = [ 'get%s' % convertToUpperCase(attribute)] if prop['type'] in list_types : attr_list += ['get%sList' % convertToUpperCase(attribute), ] for attribute_name in attr_list: method = PreferenceMethod(attribute_name) setattr(PreferenceTool, attribute_name, method) class func_code: pass class PreferenceMethod(Method): """ A method object that lookup the attribute on preferences. """ # This is required to call the method form the Web func_code = func_code() func_code.co_varnames = ('self', ) func_code.co_argcount = 1 func_defaults = () def __init__(self, attribute): self._preference_name = attribute self._preference_cache_id = 'PreferenceTool.CachingMethod.%s' % attribute self._null = (None, '', (), []) def __call__(self, instance, *args, **kw): def _getPreference(*args, **kw): value = None for pref in instance._getSortedPreferenceList(*args, **kw): value = getattr(pref, self._preference_name, _marker) # XXX-JPS Why don't we use accessors here such as: # value = pref.getProperty(self._preference_name, _marker) if value is not _marker: # If callable, store the return value. if callable(value): value = value(*args, **kw) if value not in self._null: break return value _getPreference = CachingMethod(_getPreference, id='%s.%s' % (self._preference_cache_id, getSecurityManager().getUser().getId()), cache_factory='erp5_ui_short') value = _getPreference(*args, **kw) # XXX Preference Tool has a strange assumption that, even if # all values are null values, one of them must be returned. # Therefore, return a default value, only if explicitly specified, # instead of returning None. default = _marker if 'default' in kw: default = kw['default'] elif args: default = args[0] if value in self._null and default is not _marker: return default return value class PreferenceTool(BaseTool): """ PreferenceTool manages User Preferences / User profiles. TODO: - make the preference tool an action provider (templates) """ id = 'portal_preferences' meta_type = 'ERP5 Preference Tool' portal_type = 'Preference Tool' title = 'Preferences' allowed_types = ( 'ERP5 Preference',) security = ClassSecurityInfo() security.declareProtected( Permissions.ManagePortal, 'manage_overview' ) manage_overview = DTMLFile( 'explainPreferenceTool', _dtmldir ) security.declarePrivate('manage_afterAdd') def manage_afterAdd(self, item, container) : """ init the permissions right after creation """ item.manage_permission(Permissions.AddPortalContent, ['Member', 'Author', 'Manager']) item.manage_permission(Permissions.View, ['Member', 'Auditor', 'Manager']) item.manage_permission(Permissions.CopyOrMove, ['Member', 'Auditor', 'Manager']) item.manage_permission(Permissions.ManageProperties, ['Manager'], acquire=0) item.manage_permission(Permissions.SetOwnPassword, ['Member', 'Author', 'Manager']) BaseTool.inheritedAttribute('manage_afterAdd')(self, item, container) security.declarePublic('getPreference') def getPreference(self, pref_name, default=_marker) : """ get the preference on the most appopriate Preference object. """ method = getattr(self, 'get%s' % convertToUpperCase(pref_name), None) if method is not None: if default is not _marker: kw = {'default': default} else: kw = {} return method(**kw) return default security.declareProtected(Permissions.ModifyPortalContent, "setPreference") def setPreference(self, pref_name, value) : """ set the preference on the active Preference object""" self.getActivePreference()._edit(**{pref_name:value}) security.declarePrivate('_getSortedPreferenceList') def _getSortedPreferenceList(self, *args, **kw) : """ return the most appropriate preferences objects, sorted so that the first in the list should be applied first """ prefs = [] # XXX will also cause problems with Manager (too long) # XXX For manager, create a manager specific preference # or better solution user = getToolByName(self, 'portal_membership').getAuthenticatedMember() user_is_manager = 'Manager' in user.getRolesInContext(self) for pref in self.searchFolder(portal_type='Preference', **kw) : pref = pref.getObject() if pref is not None and pref.getProperty('preference_state', 'broken') in ('enabled', 'global'): # XXX quick workaround so that manager only see user preference # they actually own. if user_is_manager and pref.getPriority() == Priority.USER : if user.allowed(pref, ('Owner',)): prefs.append(pref) else : prefs.append(pref) prefs.sort(lambda b, a: cmp(a.getPriority(), b.getPriority())) return prefs security.declareProtected(Permissions.View, 'getActivePreference') def getActivePreference(self) : """ returns the current preference for the user. Note that this preference may be read only. """ enabled_prefs = self._getSortedPreferenceList() if len(enabled_prefs) > 0 : return enabled_prefs[0] security.declareProtected(Permissions.View, 'getDocumentTemplateList') def getDocumentTemplateList(self, folder=None) : """ returns all document templates that are in acceptable Preferences based on different criteria such as folder, portal_type, etc. """ if folder is None: # as the preference tool is also a Folder, this method is called by # page templates to get the list of document templates for self. folder = self # We must set the user_id as a parameter to make sure each # user can get a different cache def _getDocumentTemplateList(user_id, portal_type=None): acceptable_templates = [] for pref in self._getSortedPreferenceList() : for doc in pref.contentValues() : if doc.getPortalType() == portal_type: acceptable_templates.append(doc.getRelativeUrl()) return acceptable_templates _getDocumentTemplateList = CachingMethod(_getDocumentTemplateList, 'portal_preferences.getDocumentTemplateList', cache_factory='erp5_ui_medium') allowed_content_types = map(lambda pti: pti.id, folder.allowedContentTypes()) user_id = getToolByName(self, 'portal_membership').getAuthenticatedMember().getId() template_list = [] for portal_type in allowed_content_types: for template_url in _getDocumentTemplateList(user_id, portal_type=portal_type): template_list.append(self.restrictedTraverse(template_url)) return template_list InitializeClass(PreferenceTool)