| 1 | ## $Id: utils.py 13566 2016-01-05 08:18:50Z henrik $ |
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| 2 | ## |
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| 3 | ## Copyright (C) 2011 Uli Fouquet & Henrik Bettermann |
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| 4 | ## This program is free software; you can redistribute it and/or modify |
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| 5 | ## it under the terms of the GNU General Public License as published by |
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| 6 | ## the Free Software Foundation; either version 2 of the License, or |
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| 7 | ## (at your option) any later version. |
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| 8 | ## |
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| 9 | ## This program is distributed in the hope that it will be useful, |
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| 10 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 12 | ## GNU General Public License for more details. |
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| 13 | ## |
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| 14 | ## You should have received a copy of the GNU General Public License |
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| 15 | ## along with this program; if not, write to the Free Software |
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| 16 | ## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 17 | ## |
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| 18 | import grok |
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| 19 | from time import time |
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| 20 | from zope.component import createObject, getUtility |
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| 21 | from waeup.kofa.interfaces import (IKofaUtils, |
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| 22 | CLEARED, RETURNING, PAID, REGISTERED, VALIDATED) |
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| 23 | from waeup.kofa.utils.helpers import to_timezone |
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| 24 | from waeup.kofa.students.utils import trans |
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| 25 | from kofacustom.nigeria.students.utils import NigeriaStudentsUtils |
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| 26 | from waeup.uniben.interfaces import MessageFactory as _ |
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| 27 | |
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| 28 | class CustomStudentsUtils(NigeriaStudentsUtils): |
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| 29 | """A collection of customized methods. |
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| 30 | |
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| 31 | """ |
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| 32 | |
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| 33 | def getReturningData(self, student): |
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| 34 | """ This method defines what happens after school fee payment |
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| 35 | of returning students depending on the student's senate verdict. |
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| 36 | """ |
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| 37 | prev_level = student['studycourse'].current_level |
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| 38 | cur_verdict = student['studycourse'].current_verdict |
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| 39 | if cur_verdict in ('A','B','L','M','N','Z',): |
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| 40 | # Successful student |
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| 41 | new_level = divmod(int(prev_level),100)[0]*100 + 100 |
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| 42 | elif cur_verdict == 'C': |
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| 43 | # Student on probation |
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| 44 | new_level = int(prev_level) + 10 |
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| 45 | else: |
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| 46 | # Student is somehow in an undefined state. |
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| 47 | # Level has to be set manually. |
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| 48 | new_level = prev_level |
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| 49 | new_session = student['studycourse'].current_session + 1 |
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| 50 | return new_session, new_level |
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| 51 | |
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| 52 | |
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| 53 | def checkAccommodationRequirements(self, student, acc_details): |
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| 54 | if acc_details.get('expired', False): |
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| 55 | startdate = acc_details.get('startdate') |
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| 56 | enddate = acc_details.get('enddate') |
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| 57 | if startdate and enddate: |
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| 58 | tz = getUtility(IKofaUtils).tzinfo |
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| 59 | startdate = to_timezone( |
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| 60 | startdate, tz).strftime("%d/%m/%Y %H:%M:%S") |
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| 61 | enddate = to_timezone( |
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| 62 | enddate, tz).strftime("%d/%m/%Y %H:%M:%S") |
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| 63 | return _("Outside booking period: ${a} - ${b}", |
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| 64 | mapping = {'a': startdate, 'b': enddate}) |
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| 65 | else: |
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| 66 | return _("Outside booking period.") |
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| 67 | if student.current_mode != 'ug_ft': |
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| 68 | return _("Only undergraduate full-time students are eligible to book accommodation.") |
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| 69 | bt = acc_details.get('bt') |
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| 70 | if not bt: |
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| 71 | return _("Your data are incomplete.") |
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| 72 | if not student.state in acc_details['allowed_states']: |
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| 73 | return _("You are in the wrong registration state.") |
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| 74 | if student['studycourse'].current_session != acc_details[ |
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| 75 | 'booking_session']: |
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| 76 | return _('Your current session does not ' |
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| 77 | 'match accommodation session.') |
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| 78 | stage = bt.split('_')[2] |
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| 79 | if stage != 'fr' and not student[ |
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| 80 | 'studycourse'].previous_verdict in ('A', 'B', 'F', 'J', 'C', 'Z'): |
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| 81 | return _("Your are not eligible to book accommodation.") |
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| 82 | if str(acc_details[ |
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| 83 | 'booking_session']) in student['accommodation'].keys(): |
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| 84 | return _('You already booked a bed space in ' |
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| 85 | 'current accommodation session.') |
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| 86 | return |
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| 87 | |
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| 88 | def getAccommodationDetails(self, student): |
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| 89 | """Determine the accommodation data of a student. |
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| 90 | """ |
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| 91 | d = {} |
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| 92 | d['error'] = u'' |
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| 93 | hostels = grok.getSite()['hostels'] |
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| 94 | d['booking_session'] = hostels.accommodation_session |
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| 95 | d['allowed_states'] = hostels.accommodation_states |
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| 96 | d['startdate'] = hostels.startdate |
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| 97 | d['enddate'] = hostels.enddate |
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| 98 | d['expired'] = hostels.expired |
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| 99 | # Determine bed type |
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| 100 | studycourse = student['studycourse'] |
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| 101 | certificate = getattr(studycourse,'certificate',None) |
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| 102 | entry_session = studycourse.entry_session |
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| 103 | current_level = studycourse.current_level |
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| 104 | if None in (entry_session, current_level, certificate): |
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| 105 | return d |
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| 106 | end_level = certificate.end_level |
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| 107 | if current_level == 10: |
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| 108 | bt = 'pr' |
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| 109 | elif entry_session == grok.getSite()['hostels'].accommodation_session: |
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| 110 | bt = 'fr' |
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| 111 | elif current_level >= end_level: |
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| 112 | bt = 'fi' |
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| 113 | else: |
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| 114 | bt = 're' |
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| 115 | if student.sex == 'f': |
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| 116 | sex = 'female' |
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| 117 | else: |
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| 118 | sex = 'male' |
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| 119 | special_handling = 'regular' |
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| 120 | if student.faccode in ('MED', 'DEN'): |
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| 121 | special_handling = 'clinical' |
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| 122 | elif student.certcode in ('BARTMAS', 'BARTTHR', 'BARTFAA', |
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| 123 | 'BAEDFAA', 'BSCEDECHED'): |
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| 124 | special_handling = 'ekenwan' |
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| 125 | d['bt'] = u'%s_%s_%s' % (special_handling,sex,bt) |
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| 126 | return d |
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| 127 | |
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| 128 | def _paymentMade(self, student, session): |
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| 129 | if len(student['payments']): |
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| 130 | for ticket in student['payments'].values(): |
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| 131 | if ticket.p_state == 'paid' and \ |
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| 132 | ticket.p_category == 'schoolfee' and \ |
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| 133 | ticket.p_session == session: |
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| 134 | return True |
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| 135 | return False |
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| 136 | |
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| 137 | def _isPaymentDisabled(self, p_session, category, student): |
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| 138 | academic_session = self._getSessionConfiguration(p_session) |
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| 139 | if category == 'schoolfee' and \ |
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| 140 | 'sf_all' in academic_session.payment_disabled: |
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| 141 | return True |
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| 142 | if category == 'hostel_maintenance' and \ |
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| 143 | 'maint_all' in academic_session.payment_disabled: |
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| 144 | return True |
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| 145 | return False |
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| 146 | |
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| 147 | #def _hostelApplicationPaymentMade(self, student, session): |
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| 148 | # if len(student['payments']): |
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| 149 | # for ticket in student['payments'].values(): |
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| 150 | # if ticket.p_state == 'paid' and \ |
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| 151 | # ticket.p_category == 'hostel_application' and \ |
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| 152 | # ticket.p_session == session: |
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| 153 | # return True |
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| 154 | # return False |
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| 155 | |
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| 156 | def setPaymentDetails(self, category, student, |
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| 157 | previous_session, previous_level): |
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| 158 | """Create Payment object and set the payment data of a student for |
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| 159 | the payment category specified. |
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| 160 | |
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| 161 | """ |
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| 162 | p_item = u'' |
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| 163 | amount = 0.0 |
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| 164 | if previous_session: |
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| 165 | if previous_session < student['studycourse'].entry_session: |
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| 166 | return _('The previous session must not fall below ' |
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| 167 | 'your entry session.'), None |
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| 168 | if category == 'schoolfee': |
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| 169 | # School fee is always paid for the following session |
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| 170 | if previous_session > student['studycourse'].current_session: |
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| 171 | return _('This is not a previous session.'), None |
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| 172 | else: |
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| 173 | if previous_session > student['studycourse'].current_session - 1: |
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| 174 | return _('This is not a previous session.'), None |
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| 175 | p_session = previous_session |
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| 176 | p_level = previous_level |
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| 177 | p_current = False |
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| 178 | else: |
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| 179 | p_session = student['studycourse'].current_session |
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| 180 | p_level = student['studycourse'].current_level |
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| 181 | p_current = True |
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| 182 | academic_session = self._getSessionConfiguration(p_session) |
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| 183 | if academic_session == None: |
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| 184 | return _(u'Session configuration object is not available.'), None |
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| 185 | # Determine fee. |
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| 186 | if category == 'transfer': |
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| 187 | amount = academic_session.transfer_fee |
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| 188 | elif category == 'transcript': |
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| 189 | amount = academic_session.transcript_fee |
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| 190 | elif category == 'gown': |
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| 191 | amount = academic_session.gown_fee |
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| 192 | elif category == 'bed_allocation': |
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| 193 | p_item = self.getAccommodationDetails(student)['bt'] |
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| 194 | amount = academic_session.booking_fee |
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| 195 | # Add student union dues |
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| 196 | stage = self.getAccommodationDetails(student)['bt'] |
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| 197 | stage = stage.split('_')[2] |
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| 198 | ##################################################### |
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| 199 | #if stage == 'fi': |
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| 200 | # return _('Payment temporarily disabled.'), None |
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| 201 | ##################################################### |
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| 202 | if stage == 'fr': |
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| 203 | amount += 500.0 |
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| 204 | elif stage in ('fi', 're') and student[ |
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| 205 | 'studycourse'].previous_verdict in ('A', 'B', 'F', 'J', 'C', 'Z'): |
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| 206 | amount += 300.0 |
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| 207 | else: |
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| 208 | amount = 0.0 |
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| 209 | elif category == 'hostel_maintenance': |
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| 210 | amount = 0.0 |
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| 211 | bedticket = student['accommodation'].get( |
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| 212 | str(student.current_session), None) |
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| 213 | if bedticket is not None and bedticket.bed is not None: |
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| 214 | p_item = bedticket.bed_coordinates |
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| 215 | if bedticket.bed.__parent__.maint_fee > 0: |
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| 216 | amount = bedticket.bed.__parent__.maint_fee |
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| 217 | else: |
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| 218 | # fallback |
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| 219 | amount = academic_session.maint_fee |
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| 220 | else: |
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| 221 | return _(u'No bed allocated.'), None |
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| 222 | #elif category == 'hostel_application': |
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| 223 | # amount = 1000.0 |
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| 224 | #elif category.startswith('tempmaint'): |
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| 225 | # if not self._hostelApplicationPaymentMade( |
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| 226 | # student, student.current_session): |
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| 227 | # return _( |
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| 228 | # 'You have not yet paid the hostel application fee.'), None |
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| 229 | # if category == 'tempmaint_1': |
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| 230 | # amount = 8150.0 |
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| 231 | # elif category == 'tempmaint_2': |
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| 232 | # amount = 12650.0 |
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| 233 | # elif category == 'tempmaint_3': |
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| 234 | # amount = 9650.0 |
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| 235 | elif category == 'clearance': |
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| 236 | p_item = student.certcode |
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| 237 | if p_item is None: |
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| 238 | return _('Study course data are incomplete.'), None |
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| 239 | if student.faccode == 'JUPEB': |
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| 240 | return _('No payment required.'), None |
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| 241 | if student.faccode == 'FCETA': |
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| 242 | amount = 22500.0 |
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| 243 | elif p_item in ('BSCANA', 'BSCMBC', 'BMLS', 'BSCNUR', 'BSCPHS', 'BDS', |
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| 244 | 'MBBSMED', 'MBBSNDU'): |
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| 245 | amount = 65000.0 |
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| 246 | elif p_item in ('BEDCET', 'BIOEDCET', 'CHMEDCET', 'ISEDCET', |
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| 247 | 'MTHEDCET', 'PHYEDCET', 'ITECET', 'AGREDCET', 'HEEDCET'): |
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| 248 | amount = 22500.0 |
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| 249 | else: |
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| 250 | amount = 45000.0 |
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| 251 | elif category == 'schoolfee': |
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| 252 | try: |
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| 253 | certificate = student['studycourse'].certificate |
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| 254 | p_item = certificate.code |
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| 255 | except (AttributeError, TypeError): |
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| 256 | return _('Study course data are incomplete.'), None |
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| 257 | |
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| 258 | ##################################################### |
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| 259 | #if student.faccode == 'JUPEB': |
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| 260 | # return _('Payment temporarily disabled.'), None |
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| 261 | ##################################################### |
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| 262 | |
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| 263 | |
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| 264 | if previous_session: |
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| 265 | # Students can pay for previous sessions in all workflow states. |
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| 266 | # Fresh students are excluded by the update method of the |
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| 267 | # PreviousPaymentAddFormPage. |
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| 268 | if previous_session == student['studycourse'].entry_session: |
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| 269 | if student.is_foreigner: |
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| 270 | amount = getattr(certificate, 'school_fee_3', 0.0) |
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| 271 | else: |
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| 272 | amount = getattr(certificate, 'school_fee_1', 0.0) |
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| 273 | else: |
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| 274 | if student.is_foreigner: |
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| 275 | amount = getattr(certificate, 'school_fee_4', 0.0) |
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| 276 | else: |
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| 277 | amount = getattr(certificate, 'school_fee_2', 0.0) |
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| 278 | else: |
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| 279 | if student.state == CLEARED: |
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| 280 | if student.is_foreigner: |
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| 281 | amount = getattr(certificate, 'school_fee_3', 0.0) |
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| 282 | else: |
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| 283 | amount = getattr(certificate, 'school_fee_1', 0.0) |
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| 284 | elif student.state in (PAID, REGISTERED, VALIDATED): |
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| 285 | p_session += 1 |
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| 286 | # We don't know which level the student is paying for. |
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| 287 | p_level = None |
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| 288 | academic_session = self._getSessionConfiguration(p_session) |
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| 289 | if academic_session == None: |
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| 290 | return _(u'Session configuration object is not available.'), None |
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| 291 | |
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| 292 | # Students are only allowed to pay for the next session |
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| 293 | # if current session payment |
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| 294 | # has really been made, i.e. payment object exists. |
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| 295 | #if not self._paymentMade( |
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| 296 | # student, student.current_session): |
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| 297 | # return _('You have not yet paid your current/active' + |
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| 298 | # ' session. Please use the previous session' + |
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| 299 | # ' payment form first.'), None |
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| 300 | |
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| 301 | if student.is_foreigner: |
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| 302 | amount = getattr(certificate, 'school_fee_4', 0.0) |
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| 303 | else: |
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| 304 | amount = getattr(certificate, 'school_fee_2', 0.0) |
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| 305 | elif student.state == RETURNING: |
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| 306 | # In case of returning school fee payment the payment session |
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| 307 | # and level contain the values of the session the student |
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| 308 | # has paid for. |
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| 309 | p_session, p_level = self.getReturningData(student) |
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| 310 | academic_session = self._getSessionConfiguration(p_session) |
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| 311 | if academic_session == None: |
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| 312 | return _(u'Session configuration object is not available.'), None |
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| 313 | |
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| 314 | # Students are only allowed to pay for the next session |
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| 315 | # if current session payment has really been made, |
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| 316 | # i.e. payment object exists and is paid. |
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| 317 | #if not self._paymentMade( |
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| 318 | # student, student.current_session): |
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| 319 | # return _('You have not yet paid your current/active' + |
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| 320 | # ' session. Please use the previous session' + |
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| 321 | # ' payment form first.'), None |
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| 322 | |
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| 323 | if student.is_foreigner: |
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| 324 | amount = getattr(certificate, 'school_fee_4', 0.0) |
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| 325 | else: |
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| 326 | amount = getattr(certificate, 'school_fee_2', 0.0) |
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| 327 | # Give 50% school fee discount to staff members. |
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| 328 | if student.is_staff: |
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| 329 | amount /= 2 |
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| 330 | if amount in (0.0, None): |
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| 331 | return _('Amount could not be determined.'), None |
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| 332 | # Add session specific penalty fee. |
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| 333 | if category == 'schoolfee' and student.is_postgrad: |
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| 334 | amount += academic_session.penalty_pg |
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| 335 | elif category == 'schoolfee': |
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| 336 | amount += academic_session.penalty_ug |
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| 337 | if category.startswith('tempmaint'): |
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| 338 | p_item = getUtility(IKofaUtils).PAYMENT_CATEGORIES[category] |
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| 339 | p_item = unicode(p_item) |
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| 340 | # Now we change the category because tempmaint payments |
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| 341 | # will be obsolete when Uniben returns to Kofa bed allocation. |
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| 342 | category = 'hostel_maintenance' |
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| 343 | # Create ticket. |
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| 344 | if self.samePaymentMade(student, category, p_item, p_session): |
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| 345 | return _('This type of payment has already been made.'), None |
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| 346 | if self._isPaymentDisabled(p_session, category, student): |
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| 347 | return _('Payment temporarily disabled.'), None |
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| 348 | payment = createObject(u'waeup.StudentOnlinePayment') |
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| 349 | timestamp = ("%d" % int(time()*10000))[1:] |
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| 350 | payment.p_id = "p%s" % timestamp |
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| 351 | payment.p_category = category |
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| 352 | payment.p_item = p_item |
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| 353 | payment.p_session = p_session |
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| 354 | payment.p_level = p_level |
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| 355 | payment.p_current = p_current |
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| 356 | payment.amount_auth = amount |
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| 357 | return None, payment |
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| 358 | |
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| 359 | def maxCredits(self, studylevel): |
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| 360 | """Return maximum credits. |
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| 361 | |
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| 362 | """ |
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| 363 | studycourse = studylevel.__parent__ |
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| 364 | certificate = getattr(studycourse,'certificate', None) |
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| 365 | current_level = studycourse.current_level |
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| 366 | if None in (current_level, certificate): |
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| 367 | return 0 |
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| 368 | end_level = certificate.end_level |
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| 369 | if current_level >= end_level: |
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| 370 | return 51 |
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| 371 | return 50 |
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| 372 | |
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| 373 | def clearance_disabled_message(self, student): |
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| 374 | if student.is_postgrad: |
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| 375 | return None |
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| 376 | try: |
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| 377 | session_config = grok.getSite()[ |
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| 378 | 'configuration'][str(student.current_session)] |
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| 379 | except KeyError: |
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| 380 | return _('Session configuration object is not available.') |
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| 381 | if not session_config.clearance_enabled: |
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| 382 | return _('Clearance is disabled for this session.') |
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| 383 | return None |
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| 384 | |
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| 385 | # Uniben prefix |
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| 386 | STUDENT_ID_PREFIX = u'B' |
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