source: main/kofacustom.nigeria/trunk/src/kofacustom/nigeria/interswitch/browser.py @ 13387

Last change on this file since 13387 was 13387, checked in by Henrik Bettermann, 9 years ago

Implement Interswitch JSON transaction query. This webservice is
automatically used if a mac key is set in the request webservice
view.
  • Property svn:keywords set to Id
File size: 9.3 KB
Line 
1## $Id: browser.py 13387 2015-11-04 09:16:13Z henrik $
2##
3## Copyright (C) 2012 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##
18import grok
19from datetime import datetime, timedelta
20from zope.component import getUtility
21from waeup.kofa.interfaces import IKofaUtils
22from waeup.kofa.utils.helpers import to_timezone
23from waeup.kofa.browser.layout import UtilityView, KofaPage
24from waeup.kofa.browser.viewlets import ManageActionButton
25from waeup.kofa.students.interfaces import IStudentsUtils
26from waeup.kofa.students.browser import OnlinePaymentDisplayFormPage as OPDPStudent
27from waeup.kofa.applicants.browser import OnlinePaymentDisplayFormPage as OPDPApplicant
28from kofacustom.nigeria.interswitch.helpers import (
29    query_interswitch, write_payments_log)
30from kofacustom.nigeria.payments.interfaces import INigeriaOnlinePayment
31from kofacustom.nigeria.students.interfaces import INigeriaStudentOnlinePayment
32from kofacustom.nigeria.applicants.interfaces import INigeriaApplicantOnlinePayment
33from kofacustom.nigeria.interfaces import MessageFactory as _
34
35class InterswitchActionButtonStudent(ManageActionButton):
36    grok.order(1)
37    grok.context(INigeriaOnlinePayment)
38    grok.view(OPDPStudent)
39    grok.require('waeup.payStudent')
40    icon = 'actionicon_pay.png'
41    text = _('CollegePAY')
42    target = 'goto_interswitch'
43
44    @property
45    def target_url(self):
46        if self.context.p_state != 'unpaid':
47            return ''
48        return self.view.url(self.view.context, self.target)
49
50class InterswitchActionButtonApplicant(InterswitchActionButtonStudent):
51    grok.view(OPDPApplicant)
52    grok.require('waeup.payApplicant')
53
54class InterswitchRequestWebserviceActionButtonStudent(ManageActionButton):
55    grok.order(2)
56    grok.context(INigeriaOnlinePayment)
57    grok.view(OPDPStudent)
58    grok.require('waeup.payStudent')
59    icon = 'actionicon_call.png'
60    text = _('Requery CollegePAY')
61    target = 'request_webservice'
62
63    @property
64    def target_url(self):
65        if self.context.p_state in ('paid', 'waived'):
66            return ''
67        return self.view.url(self.view.context, self.target)
68
69class InterswitchRequestWebserviceActionButtonApplicant(
70    InterswitchRequestWebserviceActionButtonStudent):
71    grok.view(OPDPApplicant)
72    grok.require('waeup.payApplicant')
73
74class InterswitchPaymentRequestWebservicePageStudent(UtilityView, grok.View):
75    """ Request webservice view for the CollegePAY gateway
76    """
77    grok.context(INigeriaStudentOnlinePayment)
78    grok.name('request_webservice')
79    grok.require('waeup.payStudent')
80
81    product_id = None
82    gateway_host = None
83    gateway_url = None
84    https = True
85    mac = None
86
87    def update(self):
88        if self.context.p_state in ('paid', 'waived'):
89            self.flash(_('This ticket has already been paid.'), type='warning')
90            return
91        student = self.context.student
92        success, msg, log = query_interswitch(
93            self.context, self.product_id,
94            self.gateway_host, self.gateway_url,
95            self.https, self.mac)
96        student.writeLogMessage(self, log)
97        if not success:
98            self.flash(msg, type='danger')
99            return
100        write_payments_log(student.student_id, self.context)
101        flashtype, msg, log = self.context.doAfterStudentPayment()
102        if log is not None:
103            student.writeLogMessage(self, log)
104        self.flash(msg, type=flashtype)
105        return
106
107    def render(self):
108        self.redirect(self.url(self.context, '@@index'))
109        return
110
111class InterswitchPaymentRequestWebservicePageApplicant(UtilityView, grok.View):
112    """ Request webservice view for the CollegePAY gateway
113    """
114    grok.context(INigeriaApplicantOnlinePayment)
115    grok.name('request_webservice')
116    grok.require('waeup.payApplicant')
117
118    product_id = None
119    gateway_host = None
120    gateway_url = None
121    https = True
122    mac = None
123
124    def update(self):
125        if self.context.p_state == 'paid':
126            self.flash(_('This ticket has already been paid.'), type='danger')
127            return
128        applicant = self.context.__parent__
129        success, msg, log = query_interswitch(
130            self.context, self.product_id,
131            self.gateway_host, self.gateway_url,
132            self.https, self.mac)
133        applicant.writeLogMessage(self, log)
134        if not success:
135            self.flash(msg, type='danger')
136            return
137        write_payments_log(applicant.applicant_id, self.context)
138        flashtype, msg, log = self.context.doAfterApplicantPayment()
139        if log is not None:
140            applicant.writeLogMessage(self, log)
141        self.flash(msg, type=flashtype)
142        return
143
144    def render(self):
145        self.redirect(self.url(self.context, '@@index'))
146        return
147
148class InterswitchPageStudent(KofaPage):
149    """ View which sends a POST request to the Interswitch
150    CollegePAY payment gateway.
151    """
152    grok.context(INigeriaOnlinePayment)
153    grok.name('goto_interswitch')
154    grok.template('student_goto_interswitch')
155    grok.require('waeup.payStudent')
156    label = _('Submit data to CollegePAY (Interswitch Payment Gateway)')
157    submit_button = _('Submit')
158
159    action = None
160    site_name = None
161    currency = None
162    pay_item_id = None
163    product_id = None
164    xml_data = None
165    hashvalue = None
166
167    def init_update(self):
168        if self.context.p_state == 'paid':
169            return _("Payment ticket can't be re-sent to CollegePAY.")
170        tz = getUtility(IKofaUtils).tzinfo
171        time_delta = datetime.utcnow() - self.context.creation_date
172        if time_delta.days > 7:
173            return _("This payment ticket is too old. Please create a new ticket.")
174        student = self.context.student
175        certificate = getattr(student['studycourse'],'certificate',None)
176        if certificate is None:
177            return _("Study course data are incomplete.")
178        kofa_utils = getUtility(IKofaUtils)
179        student_utils = getUtility(IStudentsUtils)
180        if student_utils.samePaymentMade(student, self.context.p_category,
181            self.context.p_item, self.context.p_session):
182            return _("This type of payment has already been made.")
183        self.amount_auth = int(100 * self.context.amount_auth)
184        xmldict = {}
185        if certificate is not None:
186            xmldict['department'] = certificate.__parent__.__parent__.code
187            xmldict['faculty'] = certificate.__parent__.__parent__.__parent__.code
188        else:
189            xmldict['department'] = None
190            xmldict['faculty'] = None
191        self.category = self.context.category
192        tz = kofa_utils.tzinfo
193        self.local_date_time = to_timezone(
194            self.context.creation_date, tz).strftime("%Y-%m-%d %H:%M:%S %Z")
195        self.site_redirect_url = self.url(self.context, 'request_webservice')
196        self.student = student
197        self.xmldict = xmldict
198        return
199
200    def update(self):
201        error = self.init_update()
202        if error:
203            self.flash(error, type='danger')
204            self.redirect(self.url(self.context, '@@index'))
205        return
206
207class InterswitchPageApplicant(KofaPage):
208    """ View which sends a POST request to the Interswitch
209    CollegePAY payment gateway.
210    """
211    grok.context(INigeriaApplicantOnlinePayment)
212    grok.require('waeup.payApplicant')
213    grok.template('applicant_goto_interswitch')
214    grok.name('goto_interswitch')
215    label = _('Submit data to CollegePAY (Interswitch Payment Gateway)')
216    submit_button = _('Submit')
217    hashvalue = None
218
219    action = None
220    site_name = None
221    currency = None
222    pay_item_id = None
223    product_id = None
224    xml_data = None
225
226    def init_update(self):
227        if self.context.p_state != 'unpaid':
228            return _("Payment ticket can't be re-sent to CollegePAY.")
229        if self.context.__parent__.__parent__.expired \
230            and self.context.__parent__.__parent__.strict_deadline:
231            return _("Payment ticket can't be send to CollegePAY. "
232                     "Application period has expired.")
233        tz = getUtility(IKofaUtils).tzinfo
234        time_delta = datetime.utcnow() - self.context.creation_date
235        if time_delta.days > 7:
236            return _("This payment ticket is too old. Please create a new ticket.")
237        self.applicant = self.context.__parent__
238        self.amount_auth = int(100 * self.context.amount_auth)
239        self.category = self.context.category
240        tz = getUtility(IKofaUtils).tzinfo
241        self.local_date_time = to_timezone(
242            self.context.creation_date, tz).strftime("%Y-%m-%d %H:%M:%S %Z")
243        self.site_redirect_url = self.url(self.context, 'request_webservice')
244        return
245
246    def update(self):
247        error = self.init_update()
248        if error:
249            self.flash(error, type='danger')
250            self.redirect(self.url(self.context, '@@index'))
251        return
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