# -*- coding: utf-8
# Copyright 2005 by Vahur Rebas

from Products.CMFCore.utils import getToolByName
from Products.Archetypes.Extensions.utils import install_subskin, installTypes
from Products.Archetypes.public import listTypes

from StringIO import StringIO
import string

from Products.Krihvel.config import GLOBALS, PROJECT_NAME

def install(self, portal):
    """ install. """
    out = StringIO()
    install_subskin(self, out, GLOBALS)
    installTypes(self, out, listTypes(PROJECT_NAME), PROJECT_NAME)

    qi=getToolByName(self, 'portal_quickinstaller')
    p=qi._getOb(PROJECT_NAME, None)
    if p:
        oldVersion=p.getInstalledVersion()
    else:
        oldVersion="0"
    newVersion=qi.getProductVersion(PROJECT_NAME)
    migrate(self, portal, out,oldVersion,newVersion)        

    return out.getvalue()

def uninstall(self):
        """ uninstall """
        out = StringIO()
        return out.getvalue()

def migrate(self, portal, out, old, new):
    """ migrate """

    if not old: return
    if new==old: return
    if new<old:
        return
    print >>out, "Migrating from %s to %s" % (old, new)
    if old<="1.5.9":
        portal.acl_users.addRole("Teacher")
        linkCollector = getattr(portal, 'linkcollector')
        linkCollector.manage_permission('Add portal content', ('Manager','Teacher',) ,1)