# -*- coding: utf-8 -*-
############################################################
# Copyright © 2008  Benoît PIN <benoit.pin@ensmp.fr>       #
# Plinn - http://plinn.org                                 #
#                                                          #
# This program is free software; you can redistribute it   #
# and/or modify it under the terms of the Creative Commons #
# "Attribution-Noncommercial 2.0 Generic"                  #
# http://creativecommons.org/licenses/by-nc/2.0/           #
############################################################
"""
Global utilities



"""

from AccessControl import ModuleSecurityInfo
from zope.i18n import translate as i18ntranslate
from zope.i18nmessageid import MessageFactory
from zope.globalrequest import getRequest
from Products.CMFCore.utils import getUtilityByInterfaceName
from Products.Plinn.utils import _sudo
import transaction


security = ModuleSecurityInfo('Products.photoprint.utils')

security.declarePublic('translate')
def translate(msgid, mapping=None, default=None) :
    """ traduction dans le domaine photoprint """
    return i18ntranslate(msgid, domain='photoprint', mapping=mapping, context=getRequest(), default=default)

security.declarePublic('Message')
Message = _ = MessageFactory('photoprint')

security.declarePublic('grantAccess')
def grantAccess(collectionId, password, confirm, memberId) :
    utool = getUtilityByInterfaceName('Products.CMFCore.interfaces.IURLTool')
    mtool = getUtilityByInterfaceName('Products.CMFCore.interfaces.IMembershipTool')
    portal = utool.getPortalObject()
    
    data = portal.private_collections.data
    lines = filter(None, [l.strip() for l in data.split('\n')])
    assert len(lines) % 3 == 0
    collecInfos = {}
    for i in xrange(0, len(lines), 3) :
        collecInfos[lines[i]] = {'pw' : lines[i+1],
                                 'path' : lines[i+2]}

    if not collecInfos.has_key(collectionId) :
        transaction.abort()
        return _('Wrong private collection identifier.')
    elif password != confirm :
        transaction.abort()
        return _("Collection's password does not match confirmation.")
    else :
        if collecInfos[collectionId]['pw'] != password :
            transaction.abort()
            return _("Wrong collection's password.")
        else :
            collec = portal.unrestrictedTraverse(collecInfos[collectionId]['path'])
            def do() :
                mtool.setLocalRoles(collec, [memberId], 'Reader')
            
            _sudo(do)