## $Id: utils.py 9154 2012-09-04 07:07:44Z henrik $ ## ## Copyright (C) 2011 Uli Fouquet & Henrik Bettermann ## 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 ## import grok from time import time from zope.component import createObject from waeup.kofa.interfaces import CLEARED, RETURNING, PAID from kofacustom.nigeria.students.utils import NigeriaStudentsUtils from waeup.kofa.accesscodes import create_accesscode from waeup.aaue.interfaces import MessageFactory as _ class CustomStudentsUtils(NigeriaStudentsUtils): """A collection of customized methods. """ def getReturningData(self, student): """ This method defines what happens after school fee payment of returning students depending on the student's senate verdict. """ prev_level = student['studycourse'].current_level cur_verdict = student['studycourse'].current_verdict if cur_verdict in ('A','B','L','M','N','Z',): # Successful student new_level = divmod(int(prev_level),100)[0]*100 + 100 elif cur_verdict == 'C': # Student on probation new_level = int(prev_level) + 10 else: # Student is somehow in an undefined state. # Level has to be set manually. new_level = prev_level new_session = student['studycourse'].current_session + 1 return new_session, new_level def setPaymentDetails(self, category, student, previous_session=None, previous_level=None): """Create Payment object and set the payment data of a student for the payment category specified. """ details = {} p_item = u'' amount = 0.0 error = u'' if previous_session: return _('Previous session payment not yet implemented.'), None p_session = student['studycourse'].current_session p_level = student['studycourse'].current_level p_current = True session = str(p_session) try: academic_session = grok.getSite()['configuration'][session] except KeyError: return _(u'Session configuration object is not available.'), None # Determine fee. if category == 'schoolfee': return _('School fee has to be paid by two instalments.'), None if category == 'transfer': amount = academic_session.transfer_fee elif category == 'gown': amount = academic_session.gown_fee elif category == 'bed_allocation': amount = academic_session.booking_fee elif category == 'hostel_maintenance': amount = academic_session.maint_fee elif category == 'clearance': amount = academic_session.clearance_fee p_item = student['studycourse'].certificate.code elif category == 'schoolfee_1': try: certificate = student['studycourse'].certificate p_item = certificate.code except (AttributeError, TypeError): return _('Study course data are incomplete.'), None payment_allowed = False if student.state == CLEARED: payment_allowed = True amount = academic_session.school_fee_base elif student.state == RETURNING or\ (student.is_postgrad and student.state == PAID): if student.state == RETURNING: p_session, p_level = self.getReturningData(student) else: # Returning postgraduate students also pay for the # next session but their level always remains the same. p_session += 1 initial_instalment_made = False for key in student['payments'].keys(): ticket = student['payments'][key] if ticket.p_category == 'schoolfee_1' and \ ticket.p_state == 'paid': initial_instalment_made = True if ticket.p_state == 'paid' and\ ticket.p_category == 'schoolfee_2' and \ ticket.p_item == p_item and \ ticket.p_session == p_session-1: # = current session payment_allowed = True if not initial_instalment_made: payment_allowed = True try: academic_session = grok.getSite()[ 'configuration'][str(p_session)] except KeyError: return _(u'Session configuration object is not available.'), None amount = academic_session.school_fee_base else: return _('Wrong state.'), None if not payment_allowed: return _('The previous 2nd school fee instalment ' 'has not yet been paid.'), None elif category == 'schoolfee_2': try: certificate = student['studycourse'].certificate p_item = certificate.code except (AttributeError, TypeError): return _('Study course data are incomplete.'), None payment_allowed = False for key in student['payments'].keys(): ticket = student['payments'][key] if ticket.p_state == 'paid' and\ ticket.p_category == 'schoolfee_1' and \ ticket.p_item == p_item and \ ticket.p_session == p_session: payment_allowed = True if not payment_allowed: return _('The 1st school fee instalment ' 'has not yet been paid or session has ' 'not yet been started.'), None amount = academic_session.school_fee_base if amount in (0.0, None): return _(u'Amount could not be determined.'), None # Add session specific penalty fee. if category == 'schoolfee_1' and student.is_postgrad: amount += academic_session.penalty_pg elif category == 'schoolfee_1': amount += academic_session.penalty_ug # Create ticket. for key in student['payments'].keys(): ticket = student['payments'][key] if ticket.p_state == 'paid' and\ ticket.p_category == category and \ ticket.p_item == p_item and \ ticket.p_session == p_session: return _('This type of payment has already been made.'), None payment = createObject(u'waeup.StudentOnlinePayment') timestamp = ("%d" % int(time()*10000))[1:] payment.p_id = "p%s" % timestamp payment.p_category = category payment.p_item = p_item payment.p_session = p_session payment.p_level = p_level payment.p_current = p_current payment.amount_auth = amount return None, payment # AAUE prefix STUDENT_ID_PREFIX = u'E'