source: main/waeup.futminna/trunk/src/waeup/futminna/interswitch/browser.py @ 9285

Last change on this file since 9285 was 9285, checked in by Henrik Bettermann, 12 years ago

Configure interswitch module for student payments.
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File size: 12.6 KB
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1## $Id: browser.py 9285 2012-10-04 09:32:39Z 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##
18from datetime import datetime
19import httplib
20import urllib
21from xml.dom.minidom import parseString
22import grok
23from zope.component import getUtility
24from waeup.kofa.browser.layout import KofaPage, UtilityView
25from waeup.kofa.accesscodes import create_accesscode
26from waeup.kofa.interfaces import RETURNING, CLEARED, IKofaUtils
27from waeup.kofa.utils.helpers import to_timezone
28from waeup.kofa.students.viewlets import ApprovePaymentActionButton as APABStudent
29from waeup.kofa.applicants.viewlets import ApprovePaymentActionButton as APABApplicant
30from waeup.kofa.payments.interfaces import payment_categories
31from waeup.futminna.students.interfaces import ICustomStudentOnlinePayment
32from waeup.futminna.applicants.interfaces import ICustomApplicantOnlinePayment
33from waeup.futminna.interfaces import MessageFactory as _
34
35PRODUCT_ID = '117'
36SITE_NAME = 'futminna-kofa.waeup.org'
37PROVIDER_ACCT = '0061001000021095'
38PROVIDER_BANK_ID = '89'
39PROVIDER_ITEM_NAME = 'BT Education'
40INSTITUTION_NAME = 'FUTMinna'
41CURRENCY = '566'
42#QUERY_URL = 'https://webpay.interswitchng.com/paydirect/services/TransactionQueryURL.aspx'
43#QUERY_URL = 'https://testwebpay.interswitchng.com/test_paydirect/services/TransactionQueryURL.aspx'
44POST_ACTION = 'https://webpay.interswitchng.com/paydirect/webpay/pay.aspx'
45#POST_ACTION = 'https://testwebpay.interswitchng.com/test_paydirect/webpay/pay.aspx'
46
47HOST = 'webpay.interswitchng.com'
48#HOST = 'testwebpay.interswitchng.com'
49URL = '/paydirect/services/TransactionQueryWs.asmx'
50#URL = '/test_paydirect/services/TransactionQueryWs.asmx'
51httplib.HTTPConnection.debuglevel = 0
52
53
54def SOAP_post(soap_action,xml):
55    """Handles making the SOAP request.
56
57    Further reading:
58    http://testwebpay.interswitchng.com/test_paydirect/services/TransactionQueryWs.asmx?op=getTransactionData
59    """
60    h = httplib.HTTPConnection(HOST)
61    headers={
62        'Host':HOST,
63        'Content-Type':'text/xml; charset=utf-8',
64        'Content-Length':len(xml),
65        'SOAPAction':'"%s"' % soap_action,
66    }
67    h.request('POST', URL, body=xml,headers=headers)
68    r = h.getresponse()
69    d = r.read()
70    if r.status!=200:
71        raise ValueError('Error connecting: %s, %s' % (r.status, r.reason))
72    return d
73
74def get_SOAP_response(product_id, transref):
75    xml="""\
76<?xml version="1.0" encoding="utf-8"?>
77<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
78  <soap:Body>
79    <getTransactionData xmlns="http://tempuri.org/">
80      <product_id>%s</product_id>
81      <trans_ref>%s</trans_ref>
82    </getTransactionData>
83  </soap:Body>
84</soap:Envelope>""" % (product_id, transref)
85    result_xml=SOAP_post("http://tempuri.org/getTransactionData",xml)
86    doc=parseString(result_xml)
87    response=doc.getElementsByTagName('getTransactionDataResult')[0].firstChild.data
88    return response
89
90def query_interswitch(payment):
91    sr = get_SOAP_response(PRODUCT_ID, payment.p_id)
92    wlist = sr.split(':')
93    if len(wlist) != 7:
94        msg = _('Invalid callback: ${a}', mapping = {'a': sr})
95        log = 'invalid callback for payment %s: %s' % (payment.p_id, sr)
96        return False, msg, log
97    payment.r_code = wlist[0]
98    payment.r_desc = wlist[1]
99    payment.r_amount_approved = float(wlist[2]) / 100
100    payment.r_card_num = wlist[3]
101    payment.r_pay_reference = wlist[5]
102    payment.r_company = u'interswitch'
103    if payment.r_code != '00':
104        msg = _('Unsuccessful callback: ${a}', mapping = {'a': sr})
105        log = 'unsuccessful callback for payment %s: %s' % (payment.p_id, sr)
106        payment.p_state = 'failed'
107        return False, msg, log
108    if payment.r_amount_approved != payment.amount_auth:
109        msg = _('Callback amount does not match.')
110        log = 'wrong callback for payment %s: %s' % (payment.p_id, sr)
111        payment.p_state = 'failed'
112        return False, msg, log
113    if wlist[4] != payment.p_id:
114        msg = _('Callback transaction id does not match.')
115        log = 'wrong callback for payment %s: %s' % (payment.p_id, sr)
116        payment.p_state = 'failed'
117        return False, msg, log
118    payment.p_state = 'paid'
119    payment.payment_date = datetime.utcnow()
120    msg = _('Successful callback received')
121    log = 'valid callback for payment %s: %s' % (payment.p_id, sr)
122    return True, msg, log
123
124class InterswitchActionButtonStudent(APABStudent):
125    grok.order(1)
126    grok.context(ICustomStudentOnlinePayment)
127    grok.require('waeup.payStudent')
128    icon = 'actionicon_pay.png'
129    text = _('CollegePAY')
130    target = 'goto_interswitch'
131
132    @property
133    def target_url(self):
134        if self.context.p_state != 'unpaid':
135            return ''
136        return self.view.url(self.view.context, self.target)
137
138class InterswitchRequestWebserviceActionButtonStudent(APABStudent):
139    grok.order(2)
140    grok.context(ICustomStudentOnlinePayment)
141    grok.require('waeup.payStudent')
142    icon = 'actionicon_call.png'
143    text = _('Requery CollegePAY')
144    target = 'request_webservice'
145
146class InterswitchPageStudent(KofaPage):
147    """ View which sends a POST request to the Interswitch
148    CollegePAY payment gateway.
149    """
150    grok.context(ICustomStudentOnlinePayment)
151    grok.name('goto_interswitch')
152    grok.template('student_goto_interswitch')
153    grok.require('waeup.payStudent')
154    label = _('Submit data to CollegePAY (Interswitch Payment Gateway)')
155    submit_button = _('Submit')
156    action = POST_ACTION
157    site_name = SITE_NAME
158    currency = CURRENCY
159    pay_item_id = '5700'
160    product_id = PRODUCT_ID
161
162    def update(self):
163        #if self.context.p_state != 'unpaid':
164        if self.context.p_state == 'paid':
165            self.flash(_("Payment ticket can't be re-send to CollegePAY."))
166            self.redirect(self.url(self.context, '@@index'))
167            return
168
169        student = self.student = self.context.student
170        certificate = getattr(student['studycourse'],'certificate',None)
171        self.amount_auth = 100 * self.context.amount_auth
172        xmldict = {}
173        if certificate is not None:
174            xmldict['department'] = certificate.__parent__.__parent__.code
175            xmldict['faculty'] = certificate.__parent__.__parent__.__parent__.code
176        else:
177            xmldict['department'] = None
178            xmldict['faculty'] = None
179        self.category = payment_categories.getTermByToken(
180            self.context.p_category).title
181        tz = getUtility(IKofaUtils).tzinfo
182        self.local_date_time = to_timezone(
183            self.context.creation_date, tz).strftime("%Y-%m-%d %H:%M:%S %Z")
184        self.site_redirect_url = self.url(self.context, 'request_webservice')
185        # Provider data
186        xmldict['detail_ref'] = self.context.p_id
187        xmldict['provider_acct'] = PROVIDER_ACCT
188        xmldict['provider_bank_id'] = PROVIDER_BANK_ID
189        xmldict['provider_item_name'] = PROVIDER_ITEM_NAME
190        provider_amt = 1500
191        xmldict['provider_amt'] = 100 * provider_amt
192
193        # Institution data
194        studycourse = student['studycourse']
195        xmldict['institution_acct'] = ''
196        xmldict['institution_bank_id'] = ''
197        xmldict['institution_acct'] = '000000000000'
198        xmldict['institution_bank_id'] = '00'
199        xmldict['institution_amt'] = 100 * (self.context.amount_auth - provider_amt - 300)
200
201        if self.context.student.current_mode in ('pg_ft'):
202            pay_item_id = "11703"
203        elif self.context.student.state == CLEARED and \
204            self.context.student.current_level == 100:
205            pay_item_id = "11700"
206        elif self.context.student.state == CLEARED and \
207            self.context.student.current_level == 200:
208            pay_item_id = "11701"
209        elif self.context.student.state == CLEARED and \
210            self.context.student.current_level == 300:
211            pay_item_id = "11702"
212        elif self.context.student.state == RETURNING and \
213            self.context.student.current_level in (100,110):
214            pay_item_id = "11701"
215        elif self.context.student.state == RETURNING and \
216            self.context.student.current_level in (200,210):
217            pay_item_id = "11702"
218        elif self.context.student.state == RETURNING and \
219            self.context.student.current_level in (300,310):
220            pay_item_id = "11703"
221        elif self.context.student.state == RETURNING and \
222            self.context.student.current_level in (400,410,500,510,600):
223            pay_item_id = "11704"
224        else:
225            pay_item_id = ""
226
227        if self.context.student.current_mode == 'jm_ft':
228            xmldict['institution_acct'] = "000000000000"
229            xmldict['institution_bank_id'] = '0'
230        elif self.context.student.current_mode == 'pg_ft':
231            xmldict['institution_acct'] = "2522040000134"
232            xmldict['institution_bank_id'] = '8'
233        elif self.context.student.state == CLEARED and \
234            self.context.student.current_level == 100:
235            xmldict['institution_acct'] = "0030001000017110"
236            xmldict['institution_bank_id'] = '89'
237        elif self.context.student.state == CLEARED and \
238            self.context.student.current_level == 200:
239            xmldict['institution_acct'] = "0591201005146"
240            xmldict['institution_bank_id'] = '101'
241        elif self.context.student.state == CLEARED and \
242            self.context.student.current_level == 300:
243            xmldict['institution_acct'] = "6013803345"
244            xmldict['institution_bank_id'] = '117'
245        elif self.context.student.state == RETURNING and \
246            self.context.student.current_level in (100,110):
247            xmldict['institution_acct'] = "0591201005146"
248            xmldict['institution_bank_id'] = '101'
249        elif self.context.student.current_level in (200,210):
250            xmldict['institution_acct'] = "6013803345"
251            xmldict['institution_bank_id'] = '117'
252        elif self.context.student.current_level in (300,310):
253            xmldict['institution_acct'] = "2522040000134"
254            xmldict['institution_bank_id'] = '8'
255        #Change of acct from UBA to GTBank
256        elif self.context.student.current_level in (400,410,500,510,600):
257            xmldict['institution_acct'] = "3713516838111"
258            xmldict['institution_bank_id'] = '10'
259
260        xmldict['institution_item_name'] = self.context.p_category
261        xmldict['institution_name'] = INSTITUTION_NAME
262        # Interswitch amount is not part of the xml data
263        xmltext = """<payment_item_detail>
264<item_details detail_ref="%(detail_ref)s" college="%(institution_name)s" department="%(department)s" faculty="%(faculty)s">
265<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" />
266<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" />
267</item_details>
268</payment_item_detail>""" % xmldict
269        self.xml_data = """<input type="hidden" name="xml_data" value='%s'  />""" % xmltext
270        return
271
272class InterswitchPaymentRequestWebservicePageStudent(UtilityView, grok.View):
273    """ Request webservice view for the CollegePAY gateway
274    """
275    grok.context(ICustomStudentOnlinePayment)
276    grok.name('request_webservice')
277    grok.require('waeup.payStudent')
278
279    def update(self):
280        ob_class = self.__implemented__.__name__
281        if self.context.p_state == 'paid':
282            self.flash(_('This ticket has already been paid.'))
283            return
284        student = self.context.student
285        success, msg, log = query_interswitch(self.context)
286        student.writeLogMessage(self, log)
287        if not success:
288            self.flash(msg)
289            return
290        success, msg, log = self.context.doAfterStudentPayment()
291        if log is not None:
292            student.writeLogMessage(self, log)
293        self.flash(msg)
294        return
295
296    def render(self):
297        self.redirect(self.url(self.context, '@@index'))
298        return
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