1 | ## $Id: browser.py 14085 2016-08-17 13:34:40Z henrik $ |
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2 | ## |
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3 | ## Copyright (C) 2012 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 | from datetime import datetime |
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19 | import httplib |
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20 | import urllib |
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21 | import urllib2 |
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22 | import re |
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23 | from xml.dom.minidom import parseString |
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24 | import grok |
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25 | from zope.component import getUtility |
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26 | from zope.catalog.interfaces import ICatalog |
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27 | from waeup.kofa.interfaces import IUniversity, CLEARED |
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28 | from waeup.kofa.payments.interfaces import IPayer |
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29 | from waeup.kofa.webservices import PaymentDataWebservice |
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30 | from waeup.kofa.browser.layout import KofaPage, UtilityView |
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31 | from waeup.kofa.students.viewlets import ApprovePaymentActionButton as APABStudent |
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32 | from waeup.kofa.applicants.viewlets import ApprovePaymentActionButton as APABApplicant |
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33 | from waeup.aaue.interfaces import academic_sessions_vocab |
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34 | from kofacustom.nigeria.interswitch.browser import ( |
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35 | InterswitchActionButtonStudent, |
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36 | InterswitchRequestWebserviceActionButtonStudent, |
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37 | InterswitchActionButtonApplicant, |
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38 | InterswitchRequestWebserviceActionButtonApplicant) |
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39 | from waeup.aaue.interfaces import MessageFactory as _ |
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40 | from waeup.aaue.students.interfaces import ICustomStudentOnlinePayment |
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41 | from waeup.aaue.applicants.interfaces import ICustomApplicantOnlinePayment |
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42 | |
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43 | ERROR_PART1 = ( |
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44 | 'PayeeName=N/A~' |
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45 | + 'Faculty=N/A~' |
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46 | + 'Department=N/A~' |
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47 | + 'Level=N/A~' |
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48 | + 'ProgrammeType=N/A~' |
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49 | + 'StudyType=N/A~' |
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50 | + 'Session=N/A~' |
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51 | + 'PayeeID=N/A~' |
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52 | + 'Amount=N/A~' |
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53 | + 'FeeStatus=') |
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54 | ERROR_PART2 = ( |
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55 | '~Semester=N/A~' |
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56 | + 'PaymentType=N/A~' |
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57 | + 'MatricNumber=N/A~' |
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58 | + 'Email=N/A~' |
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59 | + 'PhoneNumber=N/A') |
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60 | |
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61 | class CustomPaymentDataWebservice(PaymentDataWebservice): |
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62 | """A simple webservice to publish payment and payer details on request from |
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63 | accepted IP addresses without authentication. |
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64 | |
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65 | Etranzact is asking for the PAYEE_ID which is indeed misleading. |
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66 | These are not the data of the payee but of the payer. And it's |
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67 | not the id of the payer but of the payment. |
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68 | """ |
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69 | grok.name('feerequest') |
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70 | |
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71 | #ACCEPTED_IP = ('195.219.3.181', '195.219.3.184') |
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72 | ACCEPTED_IP = None |
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73 | |
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74 | def update(self, PAYEE_ID=None, PAYMENT_TYPE=None): |
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75 | if PAYEE_ID == None: |
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76 | self.output = ERROR_PART1 + 'Missing PAYEE_ID' + ERROR_PART2 |
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77 | return |
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78 | real_ip = self.request.get('HTTP_X_FORWARDED_FOR', None) |
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79 | # We can forego the logging once eTranzact payments run smoothly |
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80 | # and the accepted IP addresses are used. |
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81 | if real_ip: |
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82 | self.context.logger.info('PaymentDataWebservice called: %s' % real_ip) |
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83 | if real_ip and self.ACCEPTED_IP: |
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84 | if real_ip not in self.ACCEPTED_IP: |
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85 | self.output = ERROR_PART1 + 'Wrong IP address' + ERROR_PART2 |
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86 | return |
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87 | category_mapping = { |
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88 | 'SCHOOL-FEE-NEW': ('schoolfee',), |
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89 | 'SCHOOL-FEE-RETURNING': ('schoolfee',), |
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90 | 'SCHOOL-FEE-PLUS-NEW': ('schoolfee_incl',), |
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91 | 'SCHOOL-FEE-PLUS-RETURNING': ('schoolfee_incl',), |
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92 | 'SCHOOL-FEE-PG-NEW': ('schoolfee',), |
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93 | 'SCHOOL-FEE-PG-RETURNING': ('schoolfee',), |
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94 | 'SCHOOL-FEE-FIRST-INSTALMENT-PLUS': ('schoolfee_1',), |
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95 | 'SCHOOL-FEE-SECOND-INSTALMENT': ('schoolfee_2',), |
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96 | 'SCHOOL-FEE-BALANCE': ('schoolfee','schoolfee_incl', |
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97 | 'schoolfee_1','schoolfee_2'), |
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98 | 'SCHOOL-FEE-PT-NEW': ('schoolfee',), |
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99 | 'SCHOOL-FEE-PT-RETURNING': ('schoolfee',), |
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100 | 'SCHOOL-FEE-PT-PLUS-NEW': ('schoolfee_incl',), |
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101 | 'SCHOOL-FEE-PT-PLUS-RETURNING': ('schoolfee_incl',), |
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102 | 'SCHOOL-FEE-PT-PG-NEW': ('schoolfee',), |
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103 | 'SCHOOL-FEE-PT-PG-RETURNING': ('schoolfee',), |
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104 | 'SCHOOL-FEE-PT-FIRST-INSTALMENT-PLUS': ('schoolfee_1',), |
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105 | 'SCHOOL-FEE-PT-SECOND-INSTALMENT': ('schoolfee_2',), |
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106 | 'SCHOOL-FEE-PT-BALANCE': ('schoolfee','schoolfee_incl', |
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107 | 'schoolfee_1','schoolfee_2'), |
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108 | |
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109 | 'ACCEPTANCE-FEE': ('clearance',), |
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110 | 'ACCEPTANCE-FEE-PLUS': ('clearance_incl',), |
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111 | 'ACCEPTANCE-FEE-PG': ('clearance',), |
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112 | |
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113 | 'ACCEPTANCE-FEE-PT': ('clearance',), |
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114 | 'ACCEPTANCE-FEE-PT-PLUS': ('clearance_incl',), |
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115 | 'ACCEPTANCE-FEE-PT-PG': ('clearance',), |
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116 | |
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117 | 'APPLICATION-FEE': ('application',), |
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118 | 'APPLICATION-FEE-PT': ('application',), |
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119 | |
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120 | 'LATE-REGISTRATION': ('late_registration',), |
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121 | 'LATE-REGISTRATION-PT': ('late_registration',), |
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122 | |
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123 | 'AAU-STUDENT-WELFARE-ASSURANCE': ('welfare',), |
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124 | 'AAU-STUDENT-WELFARE-ASSURANCE-PT': ('welfare',), |
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125 | |
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126 | 'HOSTEL-ACCOMMODATION-FEE': ('hostel_maintenance',), |
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127 | 'HOSTEL-ACCOMMODATION-FEE-PT': ('hostel_maintenance',), |
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128 | |
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129 | 'AAU-LAPEL-FILE-FEE': ('lapel',), |
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130 | 'AAU-LAPEL-FILE-FEE-PT': ('lapel',), |
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131 | |
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132 | 'MATRICULATION-GOWN-FEE': ('matric_gown',), |
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133 | 'MATRICULATION-GOWN-FEE-PT': ('matric_gown',), |
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134 | |
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135 | 'CONCESSIONAL-FEE': ('concessional',), |
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136 | 'CONCESSIONAL-FEE-PT': ('concessional',), |
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137 | |
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138 | 'STUDENTS-UNION-DUES': ('union',), |
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139 | 'STUDENTS-UNION-DUES-PT': ('union',), |
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140 | } |
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141 | |
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142 | if PAYMENT_TYPE not in category_mapping.keys(): |
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143 | self.output = ERROR_PART1 + 'Invalid PAYMENT_TYPE' + ERROR_PART2 |
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144 | return |
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145 | |
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146 | # It seems eTranzact sends a POST request with an empty body but the URL |
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147 | # contains a query string. So it's actually a GET request pretended |
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148 | # to be a POST request. Although this does not comply with the |
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149 | # RFC 2616 HTTP guidelines we may try to fetch the id from the QUERY_STRING |
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150 | # value of the request. |
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151 | #if PAYEE_ID is None: |
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152 | # try: |
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153 | # PAYEE_ID = self.request['QUERY_STRING'].split('=')[1] |
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154 | # except: |
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155 | # self.output = '-4' |
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156 | # return |
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157 | |
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158 | cat = getUtility(ICatalog, name='payments_catalog') |
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159 | results = list(cat.searchResults(p_id=(PAYEE_ID, PAYEE_ID))) |
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160 | if len(results) != 1: |
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161 | self.output = ERROR_PART1 + 'Invalid PAYEE_ID' + ERROR_PART2 |
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162 | return |
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163 | student = getattr(results[0], 'student', None) |
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164 | amount = results[0].amount_auth |
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165 | payment_type = results[0].category |
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166 | p_category = results[0].p_category |
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167 | programme_type = results[0].p_item |
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168 | if not programme_type: |
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169 | programme_type = 'N/A' |
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170 | academic_session = academic_sessions_vocab.getTerm( |
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171 | results[0].p_session).title |
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172 | status = results[0].p_state |
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173 | |
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174 | if status == 'paid': |
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175 | self.output = ERROR_PART1 + 'PAYEE_ID already used' + ERROR_PART2 |
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176 | return |
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177 | if p_category not in category_mapping[PAYMENT_TYPE]: |
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178 | self.output = ERROR_PART1 + 'Wrong PAYMENT_TYPE' + ERROR_PART2 |
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179 | return |
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180 | if student and PAYMENT_TYPE.endswith('-RETURNING') \ |
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181 | and student.state == CLEARED: |
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182 | self.output = ERROR_PART1 + 'Not a returning student' + ERROR_PART2 |
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183 | return |
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184 | if student and PAYMENT_TYPE.endswith('-NEW') \ |
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185 | and student.state != CLEARED: |
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186 | self.output = ERROR_PART1 + 'Not a new student' + ERROR_PART2 |
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187 | return |
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188 | if student and '-PG' in PAYMENT_TYPE and not student.is_postgrad: |
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189 | self.output = ERROR_PART1 + 'Not a postgrad student' + ERROR_PART2 |
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190 | return |
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191 | if student and '-PG' not in PAYMENT_TYPE and student.is_postgrad \ |
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192 | and results[0].p_item != 'Balance': |
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193 | self.output = ERROR_PART1 + 'Postgrad student' + ERROR_PART2 |
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194 | return |
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195 | if student and '-PT' in PAYMENT_TYPE \ |
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196 | and not student.current_mode.endswith('_pt'): |
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197 | self.output = ERROR_PART1 + 'Not a part-time student' + ERROR_PART2 |
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198 | return |
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199 | if student and '-PT' not in PAYMENT_TYPE \ |
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200 | and student.current_mode.endswith('_pt'): |
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201 | self.output = ERROR_PART1 + 'Part-time student' + ERROR_PART2 |
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202 | return |
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203 | if '-BALANCE' in PAYMENT_TYPE and results[0].p_item != 'Balance': |
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204 | self.output = ERROR_PART1 + 'Not a balance payment' + ERROR_PART2 |
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205 | return |
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206 | if not '-BALANCE' in PAYMENT_TYPE and results[0].p_item == 'Balance': |
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207 | self.output = ERROR_PART1 + 'Balance payment' + ERROR_PART2 |
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208 | return |
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209 | |
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210 | try: |
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211 | owner = IPayer(results[0]) |
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212 | full_name = owner.display_fullname |
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213 | matric_no = owner.id |
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214 | faculty = owner.faculty |
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215 | department = owner.department |
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216 | study_type = owner.current_mode |
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217 | email = owner.email |
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218 | phone = owner.phone |
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219 | level = owner.current_level |
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220 | except (TypeError, AttributeError): |
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221 | self.output = ERROR_PART1 + 'Unknown error' + ERROR_PART2 |
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222 | return |
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223 | self.output = ( |
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224 | 'PayeeName=%s~' + |
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225 | 'Faculty=%s~' + |
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226 | 'Department=%s~' + |
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227 | 'Level=%s~' + |
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228 | 'ProgrammeType=%s~' + |
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229 | 'StudyType=%s~' + |
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230 | 'Session=%s~' + |
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231 | 'PayeeID=%s~' + |
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232 | 'Amount=%s~' + |
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233 | 'FeeStatus=%s~' + |
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234 | 'Semester=N/A~' + |
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235 | 'PaymentType=%s~' + |
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236 | 'MatricNumber=%s~' + |
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237 | 'Email=%s~' + |
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238 | 'PhoneNumber=%s' |
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239 | |
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240 | ) % (full_name, faculty, |
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241 | department, level, programme_type, study_type, |
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242 | academic_session, PAYEE_ID, amount, status, payment_type, |
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243 | matric_no, email, phone) |
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244 | return |
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245 | |
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246 | |
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247 | # Requerying eTranzact payments |
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248 | |
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249 | TERMINAL_ID = '0570000070' |
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250 | QUERY_URL = 'https://www.etranzact.net/WebConnectPlus/query.jsp' |
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251 | |
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252 | # Test environment |
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253 | #QUERY_URL = 'http://demo.etranzact.com:8080/WebConnect/queryPayoutletTransaction.jsp' |
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254 | #TERMINAL_ID = '5009892289' |
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255 | |
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256 | def query_etranzact(confirmation_number, payment): |
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257 | |
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258 | postdict = {} |
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259 | postdict['TERMINAL_ID'] = TERMINAL_ID |
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260 | #postdict['RESPONSE_URL'] = 'http://dummy' |
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261 | postdict['CONFIRMATION_NO'] = confirmation_number |
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262 | data = urllib.urlencode(postdict) |
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263 | payment.conf_number = confirmation_number |
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264 | try: |
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265 | # eTranzact only accepts HTTP 1.1 requests. Therefore |
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266 | # the urllib2 package is required here. |
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267 | f = urllib2.urlopen(url=QUERY_URL, data=data) |
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268 | success = f.read() |
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269 | success = success.replace('\r\n','') |
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270 | # eTranzact sends strange HTML tags which must be removed. |
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271 | success = re.sub("<.*?>", "", success) |
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272 | if 'CUSTOMER_ID' not in success: |
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273 | msg = _('Invalid or unsuccessful callback: ${a}', |
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274 | mapping = {'a': success}) |
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275 | log = 'invalid callback for payment %s: %s' % (payment.p_id, success) |
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276 | payment.p_state = 'failed' |
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277 | return False, msg, log |
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278 | success = success.replace('%20',' ').split('&') |
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279 | # We expect at least two parameters |
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280 | if len(success) < 2: |
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281 | msg = _('Invalid callback: ${a}', mapping = {'a': success}) |
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282 | log = 'invalid callback for payment %s: %s' % (payment.p_id, success) |
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283 | payment.p_state = 'failed' |
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284 | return False, msg, log |
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285 | try: |
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286 | success_dict = dict([tuple(i.split('=')) for i in success]) |
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287 | except ValueError: |
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288 | msg = _('Invalid callback: ${a}', mapping = {'a': success}) |
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289 | log = 'invalid callback for payment %s: %s' % (payment.p_id, success) |
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290 | payment.p_state = 'failed' |
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291 | return False, msg, log |
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292 | except IOError: |
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293 | msg = _('eTranzact IOError') |
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294 | log = 'eTranzact IOError' |
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295 | return False, msg, log |
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296 | payment.r_code = u'ET' |
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297 | payment.r_company = u'etranzact' |
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298 | payment.r_desc = u'%s' % success_dict.get('TRANS_DESCR') |
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299 | payment.r_amount_approved = float(success_dict.get('TRANS_AMOUNT',0.0)) |
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300 | payment.r_card_num = None |
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301 | payment.r_pay_reference = u'%s' % success_dict.get('RECEIPT_NO') |
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302 | if payment.r_amount_approved != payment.amount_auth: |
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303 | msg = _('Wrong amount') |
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304 | log = 'wrong callback for payment %s: %s' % (payment.p_id, success) |
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305 | payment.p_state = 'failed' |
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306 | return False, msg, log |
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307 | customer_id = success_dict.get('CUSTOMER_ID') |
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308 | if payment.p_id != customer_id: |
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309 | msg = _('Wrong payment id') |
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310 | log = 'wrong callback for payment %s: %s' % (payment.p_id, success) |
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311 | payment.p_state = 'failed' |
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312 | return False, msg, log |
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313 | log = 'valid callback for payment %s: %s' % (payment.p_id, success) |
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314 | msg = _('Successful callback received') |
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315 | payment.p_state = 'paid' |
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316 | payment.payment_date = datetime.utcnow() |
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317 | return True, msg, log |
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318 | |
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319 | class EtranzactEnterPinActionButtonApplicant(APABApplicant): |
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320 | grok.context(ICustomApplicantOnlinePayment) |
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321 | grok.require('waeup.payApplicant') |
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322 | grok.order(3) |
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323 | icon = 'actionicon_call.png' |
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324 | text = _('Query eTranzact History') |
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325 | target = 'enterpin' |
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326 | |
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327 | class EtranzactEnterPinActionButtonStudent(APABStudent): |
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328 | grok.context(ICustomStudentOnlinePayment) |
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329 | grok.require('waeup.payStudent') |
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330 | grok.order(3) |
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331 | icon = 'actionicon_call.png' |
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332 | text = _('Query eTranzact History') |
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333 | target = 'enterpin' |
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334 | |
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335 | class EtranzactEnterPinPageStudent(KofaPage): |
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336 | """ |
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337 | """ |
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338 | grok.context(ICustomStudentOnlinePayment) |
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339 | grok.name('enterpin') |
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340 | grok.template('enterpin') |
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341 | grok.require('waeup.payStudent') |
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342 | |
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343 | buttonname = _('Submit to eTranzact') |
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344 | label = _('Requery eTranzact History') |
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345 | action = 'query_history' |
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346 | placeholder = _('Confirmation Number (PIN)') |
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347 | |
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348 | def update(self): |
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349 | super(EtranzactEnterPinPageStudent, self).update() |
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350 | if not self.context.p_category.startswith('schoolfee'): |
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351 | return |
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352 | student = self.context.student |
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353 | if student.state != CLEARED: |
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354 | return |
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355 | if student.entry_session < 2013: |
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356 | return |
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357 | for ticket in student['payments'].values(): |
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358 | if ticket.p_state == 'paid' and \ |
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359 | ticket.p_category.startswith('clearance'): |
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360 | return |
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361 | self.flash(_('Please pay acceptance fee first.'), type="danger") |
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362 | self.redirect(self.url(self.context, '@@index')) |
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363 | return |
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364 | |
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365 | class EtranzactEnterPinPageApplicant(EtranzactEnterPinPageStudent): |
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366 | """ |
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367 | """ |
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368 | grok.require('waeup.payApplicant') |
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369 | grok.context(ICustomApplicantOnlinePayment) |
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370 | |
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371 | class EtranzactQueryHistoryPageStudent(UtilityView, grok.View): |
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372 | """ Query history of eTranzact payments |
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373 | """ |
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374 | grok.context(ICustomStudentOnlinePayment) |
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375 | grok.name('query_history') |
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376 | grok.require('waeup.payStudent') |
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377 | |
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378 | def update(self, confirmation_number=None): |
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379 | if self.context.p_state == 'paid': |
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380 | self.flash(_('This ticket has already been paid.')) |
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381 | return |
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382 | student = self.context.student |
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383 | success, msg, log = query_etranzact(confirmation_number,self.context) |
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384 | student.writeLogMessage(self, log) |
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385 | if not success: |
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386 | self.flash(msg) |
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387 | return |
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388 | flashtype, msg, log = self.context.doAfterStudentPayment() |
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389 | if log is not None: |
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390 | student.writeLogMessage(self, log) |
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391 | self.flash(msg, type=flashtype) |
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392 | return |
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393 | |
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394 | def render(self): |
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395 | self.redirect(self.url(self.context, '@@index')) |
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396 | return |
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397 | |
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398 | class EtranzactQueryHistoryPageApplicant(UtilityView, grok.View): |
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399 | """ Query history of eTranzact payments |
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400 | """ |
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401 | grok.context(ICustomApplicantOnlinePayment) |
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402 | grok.name('query_history') |
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403 | grok.require('waeup.payApplicant') |
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404 | |
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405 | def update(self, confirmation_number=None): |
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406 | ob_class = self.__implemented__.__name__ |
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407 | if self.context.p_state == 'paid': |
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408 | self.flash(_('This ticket has already been paid.')) |
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409 | return |
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410 | applicant = self.context.__parent__ |
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411 | success, msg, log = query_etranzact(confirmation_number,self.context) |
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412 | applicant.writeLogMessage(self, log) |
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413 | if not success: |
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414 | self.flash(msg) |
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415 | return |
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416 | flashtype, msg, log = self.context.doAfterApplicantPayment() |
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417 | if log is not None: |
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418 | applicant.writeLogMessage(self, log) |
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419 | self.flash(msg, type=flashtype) |
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420 | return |
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421 | |
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422 | def render(self): |
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423 | self.redirect(self.url(self.context, '@@index')) |
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424 | return |
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425 | |
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426 | # Disable Interswitch viewlets. This could be avoided by defining the |
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427 | # action button viewlets of kofacustom.nigeria.interswitch.browser in the |
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428 | # context of INigeriaStudentOnlinePayment or INigeriaApplicantOnlinePayment |
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429 | # respectively. But then all interswitch.browser modules have to be extended. |
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430 | |
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431 | #class InterswitchActionButtonStudent(InterswitchActionButtonStudent): |
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432 | |
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433 | # @property |
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434 | # def target_url(self): |
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435 | # return '' |
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436 | |
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437 | #class InterswitchRequestWebserviceActionButtonStudent( |
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438 | # InterswitchRequestWebserviceActionButtonStudent): |
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439 | |
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440 | # @property |
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441 | # def target_url(self): |
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442 | # return '' |
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443 | |
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444 | #class InterswitchActionButtonApplicant(InterswitchActionButtonApplicant): |
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445 | |
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446 | # @property |
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447 | # def target_url(self): |
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448 | # return '' |
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449 | |
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450 | #class InterswitchRequestWebserviceActionButtonApplicant( |
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451 | # InterswitchRequestWebserviceActionButtonApplicant): |
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452 | |
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453 | # @property |
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454 | # def target_url(self): |
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455 | # return '' |
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