## Script (Python) "getMaintenancePrefix"
##bind container=container
##bind context=context
##bind namespace=
##bind script=script
##bind subpath=traverse_subpath
##parameters=
##title=
##
# $Id:getMaintenancePrefix.py 486 2006-09-06 10:09:39Z joachim $
"""
return the Prefix for Schoolfee
"""

if context.portal_membership.isAnonymousUser():
    return None

import logging    
logger = logging.getLogger('EPayment.getSchoolFeePrefix')    

student_id = context.getStudentId()
sbrain = context.students_catalog(id=student_id)[0]
res = context.portal_catalog(portal_type="Certificate",
                                     id = sbrain.course)
if not res:
    logger.info('"%s","certificate not found", "%s"' % (student_id,course))
    prefix = "--"
else:
    prefix = res[0].getObject().getContent().school_fee_code
    if not prefix or prefix == 'none':
        prefix = res[0].getPath().split('/')[-4]
return prefix