source: main/waeup.aaue/trunk/src/waeup/aaue/interswitch/browser.py @ 13414

Last change on this file since 13414 was 13414, checked in by Henrik Bettermann, 9 years ago

Determine net amount instead of gateway reduction. This is much easier to handle.
  • Property svn:keywords set to Id
File size: 19.5 KB
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1## $Id: browser.py 13414 2015-11-09 07:08:21Z 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 httplib
19import hashlib
20import grok
21from zope.interface import Interface
22from zope.component import queryAdapter
23from waeup.kofa.interfaces import CLEARED
24from kofacustom.nigeria.interswitch.browser import (
25    InterswitchPaymentRequestWebservicePageStudent,
26    InterswitchPaymentRequestWebservicePageApplicant,
27    InterswitchPageStudent, InterswitchPageApplicant,
28    )
29from waeup.aaue.students.interfaces import ICustomStudentOnlinePayment
30from waeup.aaue.applicants.interfaces import ICustomApplicantOnlinePayment
31from waeup.aaue.interfaces import MessageFactory as _
32
33PRODUCT_ID_PT = '5040'
34PRODUCT_ID_REGULAR = '5845'
35SITE_NAME = 'aaue.waeup.org'
36PROVIDER_ACCT = '2022866811'
37PROVIDER_BANK_ID = '8'
38PROVIDER_ITEM_NAME = 'BT Education'
39INSTITUTION_NAME = 'AAU Ekpoma'
40CURRENCY = '566'
41GATEWAY_AMT = 250.0
42POST_ACTION = 'https://webpay.interswitchng.com/paydirect/pay'
43
44HOST = 'webpay.interswitchng.com'
45HTTPS = True
46
47URL = '/paydirect/services/TransactionQueryWs.asmx'
48httplib.HTTPSConnection.debuglevel = 0
49
50
51def gateway_net_amt(fee):
52    if fee > GATEWAY_AMT:
53        return fee - GATEWAY_AMT
54    return 0.0
55
56def contr_agreement(student):
57    if student.current_mode == 'found' or student.current_mode.endswith('_pt'):
58        return 'first'
59    return 'second'
60
61class CustomInterswitchPageApplicant(InterswitchPageApplicant):
62    """ View which sends a POST request to the Interswitch
63    CollegePAY payment gateway.
64
65    So far only PT application has been configured.
66    """
67    grok.context(ICustomApplicantOnlinePayment)
68    action = POST_ACTION
69    site_name = SITE_NAME
70    currency = CURRENCY
71    pay_item_id = '101'
72    product_id = PRODUCT_ID_PT
73    mac = '74424F1DFECD6058F153148255CDD55E16724B4F380ADB2C63C5D1D7A5675759010C8153DCB930AAF2D38903CBF7CE32B8A6BA2C16BBC46721DF2E3F3E4548E3'
74
75    def update(self):
76
77        error = self.init_update()
78        if error:
79            self.flash(error, type='danger')
80            self.redirect(self.url(self.context, '@@index'))
81            return
82        xmldict = {}
83        provider_amt = 1000.0
84        xmldict['institution_acct'] = '1010835352'
85        xmldict['institution_bank_id'] = '117'
86        xmldict['detail_ref'] = self.context.p_id
87        xmldict['provider_amt'] = 100 * provider_amt
88        xmldict['provider_acct'] = PROVIDER_ACCT
89        xmldict['provider_bank_id'] = PROVIDER_BANK_ID
90        xmldict['provider_item_name'] = PROVIDER_ITEM_NAME
91        xmldict['institution_amt'] = 100 * (
92            self.context.amount_auth - provider_amt - GATEWAY_AMT)
93        xmldict['institution_item_name'] = self.context.p_category
94        xmldict['institution_name'] = INSTITUTION_NAME
95        # Interswitch amount is not part of the xml data
96        xmltext = """<payment_item_detail>
97<item_details detail_ref="%(detail_ref)s" college="%(institution_name)s">
98<item_detail item_id="1" item_name="%(institution_item_name)s" item_amt="%(institution_amt)d" bank_id="%(institution_bank_id)s" acct_num="%(institution_acct)s" />
99<item_detail item_id="2" item_name="%(provider_item_name)s" item_amt="%(provider_amt)d" bank_id="%(provider_bank_id)s" acct_num="%(provider_acct)s" />
100</item_details>
101</payment_item_detail>""" % xmldict
102        self.xml_data = """<input type="hidden" name="xml_data" value='%s'  />""" % xmltext
103        self.context.provider_amt = provider_amt
104        self.context.gateway_amt = GATEWAY_AMT
105
106        hashargs = (
107            self.context.p_id +
108            PRODUCT_ID_PT +
109            self.pay_item_id +
110            str(int(self.amount_auth)) +
111            self.site_redirect_url +
112            self.mac)
113        self.hashvalue = hashlib.sha512(hashargs).hexdigest()
114
115        return
116
117class CustomInterswitchPageStudent(InterswitchPageStudent):
118    """ View which sends a POST request to the Interswitch
119    CollegePAY payment gateway.
120    """
121    grok.context(ICustomStudentOnlinePayment)
122    action = POST_ACTION
123    site_name = SITE_NAME
124    currency = CURRENCY
125    pay_item_id = '101'
126    #mac = '74424F1DFECD6058F153148255CDD55E16724B4F380ADB2C63C5D1D7A5675759010C8153DCB930AAF2D38903CBF7CE32B8A6BA2C16BBC46721DF2E3F3E4548E3'
127    mac = '9718FA00B0F5070B388A9896ADCED9B2FB02D30F71E12E68BDADC63F6852A3496FF97D8A0F9DA9F753B911A49BB09BB87B55FD02046BD325C74C46C0123CF023'
128
129    def update(self):
130        error = self.init_update()
131
132        ######################################
133        #error = 'Sorry, Interswitch payments are temporarily disabled.'
134        ######################################
135
136        if error:
137            self.flash(error, type='danger')
138            self.redirect(self.url(self.context, '@@index'))
139            return
140
141        student = self.student
142        p_session = self.context.p_session
143        try:
144            academic_session = grok.getSite()['configuration'][str(p_session)]
145        except KeyError:
146            self.flash(_(u'Session configuration object is not available.'),
147                       type='danger')
148            self.redirect(self.url(self.context, '@@index'))
149            return
150        if contr_agreement(student) == 'first':
151            self.product_id = PRODUCT_ID_PT
152        else:
153            self.product_id = PRODUCT_ID_REGULAR
154
155        # To guarantee that cleared students pay both acceptance fee
156        # and school fees, the page can only be accessed
157        # for school fee payments if acceptance/clearance fee has
158        # been successfully queried/paid beforehand. This
159        # requirement applies to students in state 'cleared' and
160        # entry_session greater than 2013 only.
161        if self.context.p_category.startswith('schoolfee') and \
162            student.state == CLEARED and \
163            student.entry_session > 2012:
164            acceptance_fee_paid = False
165            for ticket in student['payments'].values():
166                if ticket.p_state == 'paid' and \
167                    ticket.p_category.startswith('clearance'):
168                    acceptance_fee_paid = True
169                    break
170            if not acceptance_fee_paid:
171                self.flash(
172                    _('Please pay acceptance fee first.'), type="danger")
173                self.redirect(self.url(self.context, '@@index'))
174                return
175
176        xmldict = self.xmldict
177        xmltext = ""
178        # Provider data
179        xmldict['detail_ref'] = self.context.p_id
180        xmldict['provider_acct'] = PROVIDER_ACCT
181        xmldict['provider_bank_id'] = PROVIDER_BANK_ID
182        xmldict['provider_item_name'] = PROVIDER_ITEM_NAME
183        xmldict['institution_item_name'] = self.category
184        xmldict['institution_name'] = INSTITUTION_NAME
185        provider_amt = 0.0
186
187        # Schoolfee
188        if self.context.p_category.startswith('schoolfee'):
189            if contr_agreement(student) == 'first':
190                # First agreement
191                provider_amt = 1900.0
192                joint_venture_amt = 1100.0
193                aaue_share_amt = 1000.0
194                student_union_due_amt = gateway_net_amt(
195                    academic_session.union_fee)
196                student_welfare_assurance_amt = gateway_net_amt(
197                    academic_session.welfare_fee)
198                xmldict['institution_bank_id'] = '7'
199                xmldict['institution_acct'] = '1014847058'
200                if student.current_mode == 'found':
201                    self.pay_item_id = '103'
202                else:
203                    self.pay_item_id = '105'
204            else:
205                # Second agreement
206                provider_amt = 1500.0
207                joint_venture_amt = 1000.0
208                aaue_share_amt = 1500.0
209                student_union_due_amt = gateway_net_amt(
210                    academic_session.union_fee)
211                student_welfare_assurance_amt = gateway_net_amt(
212                    academic_session.welfare_fee)
213                xmldict['institution_bank_id'] = '117'
214                xmldict['institution_acct'] = '1010827641'
215                self.pay_item_id = '101'
216
217            xmldict['provider_amt'] = 100 * provider_amt
218            xmldict['joint_venture_amt'] = 100 * joint_venture_amt
219            xmldict['aaue_share_amt'] = 100 * aaue_share_amt
220            if self.context.p_category == 'schoolfee_incl':
221                # Schoolfee including additional fees
222                xmldict['student_union_due_amt'] = 100 * student_union_due_amt
223                xmldict['student_welfare_assurance_amt'] = 100 * student_welfare_assurance_amt
224                xmldict['institution_amt'] = 100 * (
225                    gateway_net_amt(self.context.amount_auth)
226                    - provider_amt
227                    - joint_venture_amt
228                    - aaue_share_amt
229                    - student_union_due_amt
230                    - student_welfare_assurance_amt)
231                xmltext = """<payment_item_detail>
232<item_details detail_ref="%(detail_ref)s" college="%(institution_name)s" department="%(department)s" faculty="%(faculty)s">
233<item_detail item_id="1" item_name="%(institution_item_name)s" item_amt="%(institution_amt)d" bank_id="%(institution_bank_id)s" acct_num="%(institution_acct)s" />
234<item_detail item_id="2" item_name="%(provider_item_name)s" item_amt="%(provider_amt)d" bank_id="%(provider_bank_id)s" acct_num="%(provider_acct)s" />
235<item_detail item_id="3" item_name="Joint Venture" item_amt="%(joint_venture_amt)d" bank_id="51" acct_num="5060023759" />
236<item_detail item_id="4" item_name="AAUE Share" item_amt="%(aaue_share_amt)d" bank_id="51" acct_num="5060020947" />
237<item_detail item_id="5" item_name="Student Union" item_amt="%(student_union_due_amt)d" bank_id="123" acct_num="1006360118" />
238<item_detail item_id="6" item_name="Student Welfare Assurance" item_amt="%(student_welfare_assurance_amt)d" bank_id="31" acct_num="1006407792" />
239</item_details>
240</payment_item_detail>""" % xmldict
241            else:
242                # Schoolfee without additional fees
243                xmldict['institution_amt'] = 100 * (
244                    gateway_net_amt(self.context.amount_auth)
245                    - provider_amt
246                    - joint_venture_amt
247                    - aaue_share_amt)
248                xmltext = """<payment_item_detail>
249<item_details detail_ref="%(detail_ref)s" college="%(institution_name)s" department="%(department)s" faculty="%(faculty)s">
250<item_detail item_id="1" item_name="%(institution_item_name)s" item_amt="%(institution_amt)d" bank_id="%(institution_bank_id)s" acct_num="%(institution_acct)s" />
251<item_detail item_id="2" item_name="%(provider_item_name)s" item_amt="%(provider_amt)d" bank_id="%(provider_bank_id)s" acct_num="%(provider_acct)s" />
252<item_detail item_id="3" item_name="Joint Venture" item_amt="%(joint_venture_amt)d" bank_id="51" acct_num="5060023759" />
253<item_detail item_id="4" item_name="AAUE Share" item_amt="%(aaue_share_amt)d" bank_id="51" acct_num="5060020947" />
254</item_details>
255</payment_item_detail>""" % xmldict
256
257
258        # Clearance
259        elif self.context.p_category.startswith('clearance'):
260            if contr_agreement(student) == 'first':
261                # First agreement
262                if student.current_mode == 'found':
263                    self.pay_item_id = '102'
264                else:
265                    self.pay_item_id = '104'
266                xmldict['institution_acct'] = '1014066976'
267                xmldict['institution_bank_id'] = '117'
268            else:
269                # Second agreement
270                self.pay_item_id = '102'
271                xmldict['institution_acct'] = '1010827641'
272                xmldict['institution_bank_id'] = '117'
273
274            if self.context.p_category.endswith('_incl'):
275                # Clearance including additional fees
276                gown_fee_amt = gateway_net_amt(academic_session.matric_gown_fee)
277                aaue_lf_fee_amt = gateway_net_amt(academic_session.lapel_fee)
278                xmldict['gown_fee_amt'] = 100 * gown_fee_amt
279                xmldict['aaue_lf_fee_amt'] = 100 * aaue_lf_fee_amt
280                xmldict['institution_amt'] = 100 * (
281                    gateway_net_amt(self.context.amount_auth)
282                    - gown_fee_amt
283                    - aaue_lf_fee_amt)
284                xmltext = """<payment_item_detail>
285<item_details detail_ref="%(detail_ref)s" college="%(institution_name)s" department="%(department)s" faculty="%(faculty)s">
286<item_detail item_id="1" item_name="%(institution_item_name)s" item_amt="%(institution_amt)d" bank_id="%(institution_bank_id)s" acct_num="%(institution_acct)s" />
287<item_detail item_id="2" item_name="Matriculation Gown Fee" item_amt="%(gown_fee_amt)d" bank_id="51" acct_num="5060020947" />
288<item_detail item_id="3" item_name="AAU File-Lapel Fee" item_amt="%(aaue_lf_fee_amt)d" bank_id="51" acct_num="4010660109" />
289</item_details>
290</payment_item_detail>""" % xmldict
291
292            else:
293                # Clearance without additional fees
294                xmldict['institution_amt'] = 100 * (
295                    gateway_net_amt(self.context.amount_auth))
296                xmltext = """<payment_item_detail>
297<item_details detail_ref="%(detail_ref)s" college="%(institution_name)s" department="%(department)s" faculty="%(faculty)s">
298<item_detail item_id="1" item_name="%(institution_item_name)s" item_amt="%(institution_amt)d" bank_id="%(institution_bank_id)s" acct_num="%(institution_acct)s" />
299</item_details>
300</payment_item_detail>""" % xmldict
301
302        # Union Dues
303        elif self.context.p_category == 'union':
304            self.pay_item_id = '103'
305            xmldict['institution_acct'] = '1006360118'
306            xmldict['institution_bank_id'] = '123'
307            xmldict['institution_amt'] = 100 * (
308                gateway_net_amt(self.context.amount_auth))
309            xmltext = """<payment_item_detail>
310<item_details detail_ref="%(detail_ref)s" college="%(institution_name)s" department="%(department)s" faculty="%(faculty)s">
311<item_detail item_id="1" item_name="%(institution_item_name)s" item_amt="%(institution_amt)d" bank_id="%(institution_bank_id)s" acct_num="%(institution_acct)s" />
312</item_details>
313</payment_item_detail>""" % xmldict
314
315        # Lapel/File
316        elif self.context.p_category == 'lapel':
317            self.pay_item_id = '104'
318            xmldict['institution_acct'] = '4010660109'
319            xmldict['institution_bank_id'] = '51'
320            xmldict['institution_amt'] = 100 * (
321                gateway_net_amt(self.context.amount_auth))
322            xmltext = """<payment_item_detail>
323<item_details detail_ref="%(detail_ref)s" college="%(institution_name)s" department="%(department)s" faculty="%(faculty)s">
324<item_detail item_id="1" item_name="%(institution_item_name)s" item_amt="%(institution_amt)d" bank_id="%(institution_bank_id)s" acct_num="%(institution_acct)s" />
325</item_details>
326</payment_item_detail>""" % xmldict
327
328        # Welfare Assurance
329        elif self.context.p_category == 'welfare':
330            self.pay_item_id = '105'
331            xmldict['institution_acct'] = '1006407792'
332            xmldict['institution_bank_id'] = '123'
333            xmldict['institution_amt'] = 100 * (
334                gateway_net_amt(self.context.amount_auth))
335            xmltext = """<payment_item_detail>
336<item_details detail_ref="%(detail_ref)s" college="%(institution_name)s" department="%(department)s" faculty="%(faculty)s">
337<item_detail item_id="1" item_name="%(institution_item_name)s" item_amt="%(institution_amt)d" bank_id="%(institution_bank_id)s" acct_num="%(institution_acct)s" />
338</item_details>
339</payment_item_detail>""" % xmldict
340
341        # Matric Gown
342        elif self.context.p_category == 'matric_gown':
343            self.pay_item_id = '106'
344            xmldict['institution_acct'] = '5060023429'
345            xmldict['institution_bank_id'] = '51'
346            xmldict['institution_amt'] = 100 * (
347                gateway_net_amt(self.context.amount_auth))
348            xmltext = """<payment_item_detail>
349<item_details detail_ref="%(detail_ref)s" college="%(institution_name)s" department="%(department)s" faculty="%(faculty)s">
350<item_detail item_id="1" item_name="%(institution_item_name)s" item_amt="%(institution_amt)d" bank_id="%(institution_bank_id)s" acct_num="%(institution_acct)s" />
351</item_details>
352</payment_item_detail>""" % xmldict
353
354        # Concessional
355        elif self.context.p_category == 'concessional':
356            self.pay_item_id = '107'
357            xmldict['institution_acct'] = '1010835352'
358            xmldict['institution_bank_id'] = '117'
359            xmldict['institution_amt'] = 100 * (
360                gateway_net_amt(self.context.amount_auth))
361            xmltext = """<payment_item_detail>
362<item_details detail_ref="%(detail_ref)s" college="%(institution_name)s" department="%(department)s" faculty="%(faculty)s">
363<item_detail item_id="1" item_name="%(institution_item_name)s" item_amt="%(institution_amt)d" bank_id="%(institution_bank_id)s" acct_num="%(institution_acct)s" />
364</item_details>
365</payment_item_detail>""" % xmldict
366
367        # Hostel Maintenance
368        elif self.context.p_category == 'hostel_maintenance':
369            self.pay_item_id = '109'
370            xmldict['institution_acct'] = '1006406795'
371            xmldict['institution_bank_id'] = '123'
372            xmldict['institution_amt'] = 100 * (
373                gateway_net_amt(self.context.amount_auth))
374            xmltext = """<payment_item_detail>
375<item_details detail_ref="%(detail_ref)s" college="%(institution_name)s" department="%(department)s" faculty="%(faculty)s">
376<item_detail item_id="1" item_name="%(institution_item_name)s" item_amt="%(institution_amt)d" bank_id="%(institution_bank_id)s" acct_num="%(institution_acct)s" />
377</item_details>
378</payment_item_detail>""" % xmldict
379
380        self.xml_data = """<input type="hidden" name="xml_data" value='%s'  />""" % xmltext
381        self.context.provider_amt = provider_amt
382        self.context.gateway_amt = GATEWAY_AMT
383        hashargs = (
384            self.context.p_id +
385            self.product_id +
386            self.pay_item_id +
387            str(int(self.amount_auth)) +
388            self.site_redirect_url +
389            self.mac)
390        self.hashvalue = hashlib.sha512(hashargs).hexdigest()
391        return
392
393
394class CustomInterswitchPaymentRequestWebservicePageApplicant(
395    InterswitchPaymentRequestWebservicePageApplicant):
396    """ Request webservice view for the CollegePAY gateway
397
398    So far only PT application has been configured.
399    """
400    grok.context(ICustomApplicantOnlinePayment)
401    product_id = PRODUCT_ID_PT
402    gateway_host = HOST
403    gateway_url = URL
404    https = HTTPS
405
406class CustomInterswitchPaymentRequestWebservicePageStudent(
407    InterswitchPaymentRequestWebservicePageStudent):
408    """ Request webservice view for the CollegePAY gateway
409    """
410    grok.context(ICustomStudentOnlinePayment)
411    gateway_host = HOST
412    gateway_url = '/paydirect/api/v1/gettransaction.json'
413    https = HTTPS
414    mac = '9718FA00B0F5070B388A9896ADCED9B2FB02D30F71E12E68BDADC63F6852A3496FF97D8A0F9DA9F753B911A49BB09BB87B55FD02046BD325C74C46C0123CF023'
415
416    @property
417    def product_id(self):
418        if contr_agreement(self.context.student) == 'first':
419            return PRODUCT_ID_PT
420        return PRODUCT_ID_REGULAR
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