[14743] | 1 | ## $Id: browser.py 14744 2017-08-02 09:01:14Z henrik $ |
---|
| 2 | ## |
---|
| 3 | ## Copyright (C) 2017 Uli Fouquet & Henrik Bettermann |
---|
| 4 | ## This program is free software; you can redistribute it and/or modify |
---|
| 5 | ## it under the terms of the GNU General Public License as published by |
---|
| 6 | ## the Free Software Foundation; either version 2 of the License, or |
---|
| 7 | ## (at your option) any later version. |
---|
| 8 | ## |
---|
| 9 | ## This program is distributed in the hope that it will be useful, |
---|
| 10 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
| 11 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
| 12 | ## GNU General Public License for more details. |
---|
| 13 | ## |
---|
| 14 | ## You should have received a copy of the GNU General Public License |
---|
| 15 | ## along with this program; if not, write to the Free Software |
---|
| 16 | ## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
---|
| 17 | ## |
---|
| 18 | import grok |
---|
| 19 | import hashlib |
---|
| 20 | from datetime import datetime, timedelta |
---|
| 21 | from zope.component import getUtility |
---|
| 22 | from zope.security import checkPermission |
---|
| 23 | from waeup.kofa.interfaces import IKofaUtils |
---|
| 24 | from waeup.kofa.utils.helpers import to_timezone |
---|
| 25 | from waeup.kofa.browser.layout import UtilityView, KofaPage |
---|
| 26 | from waeup.kofa.browser.viewlets import ManageActionButton |
---|
| 27 | from waeup.kofa.students.interfaces import IStudentsUtils |
---|
| 28 | from waeup.kofa.students.browser import OnlinePaymentDisplayFormPage as OPDPStudent |
---|
| 29 | from waeup.kofa.applicants.browser import OnlinePaymentDisplayFormPage as OPDPApplicant |
---|
| 30 | from kofacustom.nigeria.remita.helpers import ( |
---|
| 31 | get_JSON_POST_response, query_remita, write_payments_log) |
---|
| 32 | from kofacustom.nigeria.payments.interfaces import INigeriaOnlinePayment |
---|
| 33 | from kofacustom.nigeria.students.interfaces import INigeriaStudentOnlinePayment |
---|
| 34 | from kofacustom.nigeria.applicants.interfaces import INigeriaApplicantOnlinePayment |
---|
| 35 | from kofacustom.nigeria.interfaces import MessageFactory as _ |
---|
| 36 | |
---|
| 37 | def module_activated(session): |
---|
| 38 | try: |
---|
| 39 | return getattr(grok.getSite()['configuration'][str(session)], |
---|
| 40 | 'remita_enabled', None) |
---|
| 41 | except KeyError: |
---|
| 42 | return False |
---|
| 43 | |
---|
| 44 | # Buttons |
---|
| 45 | |
---|
| 46 | class RemitaActionButtonStudent(ManageActionButton): |
---|
| 47 | grok.order(1) |
---|
| 48 | grok.context(INigeriaOnlinePayment) |
---|
| 49 | grok.view(OPDPStudent) |
---|
| 50 | grok.require('waeup.payStudent') |
---|
| 51 | icon = 'actionicon_pay.png' |
---|
| 52 | text = _('Pay via Remita') |
---|
| 53 | target = 'goto_remita' |
---|
| 54 | |
---|
| 55 | @property |
---|
| 56 | def target_url(self): |
---|
| 57 | if not module_activated(self.context.student.current_session): |
---|
| 58 | return '' |
---|
| 59 | if self.context.p_state != 'unpaid': |
---|
| 60 | return '' |
---|
| 61 | return self.view.url(self.view.context, self.target) |
---|
| 62 | |
---|
| 63 | # Webservice request views |
---|
| 64 | |
---|
| 65 | class RemitaPaymentRequestWebservicePageStudent(UtilityView, grok.View): |
---|
| 66 | """ Request webservice view for the Remita gateway. |
---|
| 67 | """ |
---|
| 68 | grok.context(INigeriaStudentOnlinePayment) |
---|
| 69 | grok.name('request_payment_status') |
---|
| 70 | grok.require('waeup.payStudent') |
---|
| 71 | |
---|
| 72 | # Here we use Remita test portal data |
---|
| 73 | merchantId = '2547916' |
---|
| 74 | host = 'www.remitademo.net' |
---|
| 75 | https = False |
---|
| 76 | api_key = '1946' |
---|
| 77 | |
---|
| 78 | def update(self): |
---|
| 79 | if not module_activated(self.context.student.current_session): |
---|
| 80 | return |
---|
| 81 | if self.context.p_state in ('paid', 'waived'): |
---|
| 82 | self.flash(_('This ticket has already been paid.'), type='danger') |
---|
| 83 | return |
---|
| 84 | student = self.context.student |
---|
| 85 | RRR = self.context.r_pay_reference |
---|
| 86 | if not RRR: |
---|
| 87 | self.flash(_('Remita Retrieval Reference not found.'), type='danger') |
---|
| 88 | return |
---|
| 89 | |
---|
| 90 | # Remita sends a POST request which may contain more information |
---|
| 91 | # if a payment was not successful. |
---|
| 92 | resp = self.request.form |
---|
| 93 | if resp and resp.get('statuscode') not in ('025', '00', '01'): |
---|
| 94 | self.flash('Message from Remita: %s.' |
---|
| 95 | % resp.get('status'), type='danger') |
---|
| 96 | |
---|
| 97 | success, msg, log = query_remita( |
---|
| 98 | self.context, |
---|
| 99 | self.merchantId, |
---|
| 100 | self.api_key, |
---|
| 101 | RRR, |
---|
| 102 | self.host, |
---|
| 103 | self.https, |
---|
| 104 | False) |
---|
| 105 | |
---|
| 106 | student.writeLogMessage(self, log) |
---|
| 107 | if not success: |
---|
| 108 | self.flash(msg, type='danger') |
---|
| 109 | return |
---|
| 110 | write_payments_log(student.student_id, self.context) |
---|
| 111 | flashtype, msg, log = self.context.doAfterStudentPayment() |
---|
| 112 | if log is not None: |
---|
| 113 | student.writeLogMessage(self, log) |
---|
| 114 | self.flash(msg, type=flashtype) |
---|
| 115 | return |
---|
| 116 | |
---|
| 117 | def render(self): |
---|
| 118 | self.redirect(self.url(self.context, '@@index')) |
---|
| 119 | return |
---|
| 120 | |
---|
| 121 | # Forwarding pages |
---|
| 122 | |
---|
| 123 | class RemitaPageStudent(KofaPage): |
---|
| 124 | """ View which sends a POST request to the Remita payment gateway. |
---|
| 125 | """ |
---|
| 126 | grok.context(INigeriaOnlinePayment) |
---|
| 127 | grok.name('goto_remita') |
---|
| 128 | grok.template('student_goto_remita') |
---|
| 129 | grok.require('waeup.payStudent') |
---|
| 130 | label = _('Pay via Remita') |
---|
| 131 | submit_button = _('Pay now') |
---|
| 132 | https = False |
---|
| 133 | |
---|
| 134 | # Here we use Remita test portal data |
---|
| 135 | merchantId = '2547916' |
---|
| 136 | serviceTypeId = '4430731' |
---|
| 137 | api_key = '1946' |
---|
| 138 | orderId = '3456346346' |
---|
| 139 | host = 'www.remitademo.net' |
---|
| 140 | init_url = '/remita/ecomm/split/init.reg' |
---|
| 141 | amount='1000' |
---|
| 142 | lineitems = ( |
---|
| 143 | {"lineItemsId":"itemid1","beneficiaryName":"Klaus Mueller", |
---|
| 144 | "beneficiaryAccount":"6020067886","bankCode":"011", |
---|
| 145 | "beneficiaryAmount":"500","deductFeeFrom":"1"}, |
---|
| 146 | {"lineItemsId":"itemid2","beneficiaryName":"Werner Rumm", |
---|
| 147 | "beneficiaryAccount":"0360883515","bankCode":"050", |
---|
| 148 | "beneficiaryAmount":"500","deductFeeFrom":"0"} |
---|
| 149 | ) |
---|
| 150 | |
---|
| 151 | action = 'http://www.remitademo.net/remita/ecomm/finalize.reg' |
---|
| 152 | |
---|
| 153 | def init_update(self): |
---|
| 154 | if self.context.p_state == 'paid': |
---|
| 155 | return _("Payment ticket can't be re-sent to Remita.") |
---|
| 156 | now = datetime.utcnow() |
---|
| 157 | if self.context.creation_date.tzinfo is not None: |
---|
| 158 | # That's bad. Please store timezone-naive datetimes only! |
---|
| 159 | now = self.context.creation_date.tzinfo.localize(now) |
---|
| 160 | time_delta = now - self.context.creation_date |
---|
| 161 | if time_delta.days > 7: |
---|
| 162 | return _("This payment ticket is too old. Please create a new ticket.") |
---|
| 163 | student = self.context.student |
---|
| 164 | certificate = getattr(student['studycourse'],'certificate',None) |
---|
| 165 | if certificate is None: |
---|
| 166 | return _("Study course data are incomplete.") |
---|
| 167 | kofa_utils = getUtility(IKofaUtils) |
---|
| 168 | student_utils = getUtility(IStudentsUtils) |
---|
| 169 | if student_utils.samePaymentMade(student, self.context.p_category, |
---|
| 170 | self.context.p_item, self.context.p_session): |
---|
| 171 | return _("This type of payment has already been made.") |
---|
| 172 | self.responseurl = self.url(self.context, 'request_payment_status') |
---|
| 173 | self.student = student |
---|
| 174 | resp = get_JSON_POST_response( |
---|
| 175 | merchantId=self.merchantId, |
---|
| 176 | serviceTypeId=self.serviceTypeId, |
---|
| 177 | api_key=self.api_key, |
---|
| 178 | orderId=self.orderId, |
---|
| 179 | amount=self.amount, |
---|
| 180 | responseurl=self.responseurl, |
---|
| 181 | host=self.host, |
---|
| 182 | url=self.init_url, |
---|
| 183 | https=self.https, |
---|
| 184 | fullname=self.student.display_fullname, |
---|
| 185 | email=self.student.email, |
---|
| 186 | lineitems=self.lineitems) |
---|
| 187 | if resp.get('error'): |
---|
| 188 | return resp.get('error') |
---|
| 189 | if resp.get('statuscode') not in ('021', '025', '055'): |
---|
[14744] | 190 | return resp.get('status') |
---|
[14743] | 191 | self.rrr = self.context.r_pay_reference = resp['RRR'].rstrip() |
---|
| 192 | hashargs = self.merchantId + self.rrr + self.api_key |
---|
| 193 | self.hashvalue = hashlib.sha512(hashargs).hexdigest() |
---|
| 194 | return |
---|
| 195 | |
---|
| 196 | def update(self): |
---|
| 197 | if not module_activated(self.context.student.current_session): |
---|
| 198 | return |
---|
| 199 | error = self.init_update() |
---|
| 200 | if error: |
---|
| 201 | self.flash(error, type='danger') |
---|
| 202 | self.redirect(self.url(self.context, '@@index')) |
---|
| 203 | return |
---|
| 204 | return |
---|