## Script (Python) "interswitch_cb"
##bind container=container
##bind context=context
##bind namespace=
##bind script=script
##bind subpath=traverse_subpath
##parameters=
##title=
##
# $Id: interswitch_request_cb.py 5265 2010-07-14 14:56:06Z henrik $
"""
payment callback
"""
try:
    from Products.zdb import set_trace
except:
    def set_trace():
        pass
import logging
logger = logging.getLogger('Skins.interswitch_request_cb')
from AccessControl import Unauthorized
import DateTime

now = DateTime.DateTime()

if context.portal_membership.isAnonymousUser():
    return None

request = context.REQUEST
students = context.portal_url.getPortalObject().campus.students
wftool = context.portal_workflow
mtool = context.portal_membership
member = mtool.getAuthenticatedMember()
member_id = str(member)
#student_id = context.getStudentId()
access_info = context.waeup_tool.getAccessInfo(context)
student_id = access_info['student_id']
if not context.isSectionOfficer() and (student_id is None or student_id != member_id):
    logger.info('%s tried to access payment object of %s' % (member_id,student_id))
    referer = request.get('HTTP_REFERER','none')
    logger.info('%s:%s illegal access, referer = %s' % (member_id,student_id,referer))
    real_ip = request.get('HTTP_X_REAL_IP',"none")
    logger.info('%s:%s illegal access, real_x_ip = %s' % (member_id,student_id,real_ip))
    return context.REQUEST.RESPONSE.redirect("%s/srp_anonymous_view" % context.portal_url())

referer = request.get('HTTP_REFERER','none')
real_ip = request.get('HTTP_X_REAL_IP',"none")  
logger.info('%s, callback referer = %s, IP = %s' % (student_id,referer,real_ip))

#if not 'webpay.interswitchng.com' in referer and not 'waeup.org' in referer:
#    logger.info('%s, wrong callback referer %s, callback rejected, IP = %s' % (student_id,referer,real_ip))
#    return request.RESPONSE.redirect("%s/waeup_document_view" % context.absolute_url())

student = getattr(students,student_id)
              
resp_codes = (
              #("desc","resp_desc"),
              #("resp","resp_code"),
              #("txnRef","pay_reference"),
              ("pin","resp_pay_reference"),
              #("retRef","retRef"),
              #("cardNum","resp_card_num"),
              ("appamt","resp_approved_amount"),
              ("msg","msg"),
              ("session","resp_session"),
              ("feename","resp_feename"),       
              ("studentnum","resp_studentnum"),  
              ("txndate","resp_txndate"),  
              ("studentname","resp_studentname"), 
              )              
              
pd = {}
for rc,pdk in resp_codes:
    pd[pdk] = request.get(rc,'')

## for testing purposes
#pd['resp_desc'] = 'Simulated Callback'
#pd['resp_pay_reference'] = 'XXXX'
#pd['resp_code'] = '00'
#pd['resp_card_num'] = '0000'
#pd['resp_approved_amount'] = '4680000'

if pd['resp_approved_amount'] and len(pd['resp_approved_amount']) > 4:
    pd['resp_approved_amount'] = pd['resp_approved_amount'][:-2]
    pd['status'] = 'paid'
    pd['resp_desc'] = pd['resp_feename'] + '|' + pd['resp_studentnum'] + '|' + pd['resp_studentname'] + '|' + pd['resp_txndate'] + '|' + pd['resp_session']
    pd['resp_code'] = 'RP'
    pd['date'] = now
else:
    pd['resp_approved_amount'] = '0'
    pd['status'] = 'failed'
    pd['resp_desc'] = pd['msg']
    pd['resp_code'] = 'RP'
    pd['date'] = now

review_state = wftool.getInfoFor(context,'review_state',None)
if access_info['is_student'] and review_state == 'closed':
    wftool.doActionFor(context,'open')
pay_doc = context.getContent()
resp = pd['resp_approved_amount'] 

pay_doc.edit(mapping = pd)
s_brain = context.students_catalog(id=student_id)[0]
session = s_brain.session

next_info = context.getNextInfo(s_brain)
next_session_id = next_info['next_session_id']
next_session_str = next_info['next_session_str']
next_level_id = next_info['next_level_id']
next_transition = next_info['next_transition']
next_verdict = next_info['next_verdict']
next_previous_verdict = next_info['next_previous_verdict']

if  resp != '0':
    if pay_doc.category == 'schoolfee':  
        if context.getStudentReviewState() == "school_fee_paid":
            logger.info('%s paid school_fee in state school_fee_paid' % (student_id))
        else:
            study_course = getattr(student,'study_course')
            try:
                wftool.doActionFor(study_course,'open')
            except:
                pass
            verdict = s_brain.verdict
            if next_previous_verdict == 'N/A':
                next_previous_verdict = ''
            study_course.getContent().edit(mapping= {'current_level': next_level_id,
                                                     'current_session': next_session_id,
                                                     'current_verdict': next_verdict,
                                                     'previous_verdict': next_previous_verdict,
                                                     })
            if next_transition:
                wftool.doActionFor(student,next_transition)



    logger.info('%s received valid callback' % student_id)
    logger.info('%s paid first instalment' % student_id)

else:
    logger.info('%s received unsuccessful callback: %s' % (student_id,pd['resp_desc']))

review_state = wftool.getInfoFor(context,'review_state',None)
if review_state == 'opened':
    wftool.doActionFor(context,'close')

return request.RESPONSE.redirect("%s/waeup_document_view" % context.absolute_url())