source: main/waeup.fceokene/trunk/src/waeup/fceokene/interswitch/browser.py @ 9063

Last change on this file since 9063 was 8956, checked in by Henrik Bettermann, 12 years ago

Merged with waeup.uniben 8954:8955.
  • Property svn:keywords set to Id
File size: 13.8 KB
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1## $Id: browser.py 8956 2012-07-09 11:18:14Z 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, 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.fceokene.students.interfaces import ICustomStudentOnlinePayment
32from waeup.fceokene.applicants.interfaces import ICustomApplicantOnlinePayment
33from waeup.fceokene.interfaces import MessageFactory as _
34
35PRODUCT_ID = '83'
36SITE_NAME = 'fceokene-kofa.waeup.org'
37PROVIDER_ACCT = '0026781725'
38PROVIDER_BANK_ID = '31'
39PROVIDER_ITEM_NAME = 'BT Education'
40INSTITUTION_NAME = 'FCEOkene'
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    if payment.r_code != '00':
103        msg = _('Unsuccessful callback: ${a}', mapping = {'a': sr})
104        log = 'unsuccessful callback for payment %s: %s' % (payment.p_id, sr)
105        payment.p_state = 'failed'
106        return False, msg, log
107    if payment.r_amount_approved != payment.amount_auth:
108        msg = _('Callback amount does not match.')
109        log = 'wrong callback for payment %s: %s' % (payment.p_id, sr)
110        payment.p_state = 'failed'
111        return False, msg, log
112    if wlist[4] != payment.p_id:
113        msg = _('Callback transaction id does not match.')
114        log = 'wrong callback for payment %s: %s' % (payment.p_id, sr)
115        payment.p_state = 'failed'
116        return False, msg, log
117    payment.p_state = 'paid'
118    payment.payment_date = datetime.utcnow()
119    msg = _('Successful callback received')
120    log = 'valid callback for payment %s: %s' % (payment.p_id, sr)
121    return True, msg, log
122
123class InterswitchActionButtonStudent(APABStudent):
124    grok.order(1)
125    grok.context(ICustomStudentOnlinePayment)
126    grok.require('waeup.payStudent')
127    icon = 'actionicon_pay.png'
128    text = _('CollegePAY')
129    target = 'goto_interswitch'
130
131    @property
132    def target_url(self):
133        if self.context.p_state != 'unpaid':
134            return ''
135        return self.view.url(self.view.context, self.target)
136
137class InterswitchActionButtonApplicant(APABApplicant):
138    grok.order(1)
139    grok.context(ICustomApplicantOnlinePayment)
140    grok.require('waeup.payApplicant')
141    icon = 'actionicon_pay.png'
142    text = _('CollegePAY')
143    target = 'goto_interswitch'
144
145    @property
146    def target_url(self):
147        if self.context.p_state != 'unpaid':
148            return ''
149        return self.view.url(self.view.context, self.target)
150
151class InterswitchRequestWebserviceActionButtonStudent(APABStudent):
152    grok.order(2)
153    grok.context(ICustomStudentOnlinePayment)
154    grok.require('waeup.payStudent')
155    icon = 'actionicon_call.png'
156    text = _('Requery CollegePAY')
157    target = 'request_webservice'
158
159class InterswitchRequestWebserviceActionButtonApplicant(APABApplicant):
160    grok.order(2)
161    grok.context(ICustomApplicantOnlinePayment)
162    grok.require('waeup.payApplicant')
163    icon = 'actionicon_call.png'
164    text = _('Requery CollegePAY')
165    target = 'request_webservice'
166
167class InterswitchPageStudent(KofaPage):
168    """ View which sends a POST request to the Interswitch
169    CollegePAY payment gateway.
170    """
171    grok.context(ICustomStudentOnlinePayment)
172    grok.name('goto_interswitch')
173    grok.template('student_goto_interswitch')
174    grok.require('waeup.payStudent')
175    label = _('Submit data to CollegePAY (Interswitch Payment Gateway)')
176    submit_button = _('Submit')
177    action = POST_ACTION
178    site_name = SITE_NAME
179    currency = CURRENCY
180    pay_item_id = '5700'
181    product_id = PRODUCT_ID
182
183    def update(self):
184        #if self.context.p_state != 'unpaid':
185        if self.context.p_state == 'paid':
186            self.flash(_("Payment ticket can't be re-send to CollegePAY."))
187            self.redirect(self.url(self.context, '@@index'))
188            return
189
190        student = self.student = self.context.student
191        certificate = getattr(student['studycourse'],'certificate',None)
192        self.amount_auth = 100 * self.context.amount_auth
193        xmldict = {}
194        if certificate is not None:
195            xmldict['department'] = certificate.__parent__.__parent__.code
196            xmldict['faculty'] = certificate.__parent__.__parent__.__parent__.code
197        else:
198            xmldict['department'] = None
199            xmldict['faculty'] = None
200        self.category = payment_categories.getTermByToken(
201            self.context.p_category).title
202        tz = getUtility(IKofaUtils).tzinfo
203        self.local_date_time = to_timezone(
204            self.context.creation_date, tz).strftime("%Y-%m-%d %H:%M:%S %Z")
205        self.site_redirect_url = self.url(self.context, 'request_webservice')
206        # Provider data
207        xmldict['detail_ref'] = self.context.p_id
208        xmldict['provider_acct'] = PROVIDER_ACCT
209        xmldict['provider_bank_id'] = PROVIDER_BANK_ID
210        xmldict['provider_item_name'] = PROVIDER_ITEM_NAME
211        xmldict['provider_amt'] = 100 * 1500
212        # Institution data
213        studycourse = student['studycourse']
214        xmldict['institution_acct'] = '000000000000'
215        xmldict['institution_bank_id'] = '00'
216        xmldict['institution_amt'] = 100 * (self.context.amount_auth - 1500 - 150)
217        xmldict['institution_item_name'] = self.context.p_category
218        xmldict['institution_name'] = INSTITUTION_NAME
219        # Interswitch amount is not part of the xml data
220        xmltext = """<payment_item_detail>
221<item_details detail_ref="%(detail_ref)s" college="%(institution_name)s" department="%(department)s" faculty="%(faculty)s">
222<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" />
223<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" />
224</item_details>
225</payment_item_detail>""" % xmldict
226        self.xml_data = """<input type="hidden" name="xml_data" value='%s'  />""" % xmltext
227        return
228
229class InterswitchPageApplicant(KofaPage):
230    """ View which sends a POST request to the Interswitch
231    CollegePAY payment gateway.
232    """
233    grok.context(ICustomApplicantOnlinePayment)
234    grok.require('waeup.payApplicant')
235    grok.template('applicant_goto_interswitch')
236    grok.name('goto_interswitch')
237    label = _('Submit data to CollegePAY (Interswitch Payment Gateway)')
238    submit_button = _('Submit')
239    action = POST_ACTION
240    site_name = SITE_NAME
241    currency = CURRENCY
242    pay_item_id = '8303'
243    product_id = PRODUCT_ID
244
245    def update(self):
246        if self.context.p_state != 'unpaid':
247            self.flash(_("Payment ticket can't be re-send to CollegePAY."))
248            self.redirect(self.url(self.context, '@@index'))
249            return
250        if self.context.__parent__.__parent__.expired \
251            and self.context.__parent__.__parent__.strict_deadline:
252            self.flash(_("Payment ticket can't be send to CollegePAY. "
253                         "Application period has expired."))
254            self.redirect(self.url(self.context, '@@index'))
255            return
256        self.applicant = self.context.__parent__
257        self.amount_auth = 100 * self.context.amount_auth
258        xmldict = {}
259        self.category = payment_categories.getTermByToken(
260            self.context.p_category).title
261        tz = getUtility(IKofaUtils).tzinfo
262        self.local_date_time = to_timezone(
263            self.context.creation_date, tz).strftime("%Y-%m-%d %H:%M:%S %Z")
264        self.site_redirect_url = self.url(self.context, 'request_webservice')
265        xmldict['detail_ref'] = self.context.p_id
266        # Provider data
267        xmldict['provider_amt'] = 100 * 500
268        xmldict['provider_acct'] = PROVIDER_ACCT
269        xmldict['provider_bank_id'] = PROVIDER_BANK_ID
270        xmldict['provider_item_name'] = PROVIDER_ITEM_NAME
271        # Institution data
272        xmldict['institution_amt'] = 100 * (self.context.amount_auth - 500 - 150)
273        xmldict['institution_acct'] = '1012415659'
274        xmldict['institution_bank_id'] = '117'
275        xmldict['institution_item_name'] = self.context.p_category
276        xmldict['institution_name'] = INSTITUTION_NAME
277        # Interswitch amount is not part of the xml data
278        xmltext = """<payment_item_detail>
279<item_details detail_ref="%(detail_ref)s" college="%(institution_name)s">
280<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" />
281<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" />
282</item_details>
283</payment_item_detail>""" % xmldict
284        self.xml_data = """<input type="hidden" name="xml_data" value='%s'  />""" % xmltext
285        return
286
287
288class InterswitchPaymentRequestWebservicePageStudent(UtilityView, grok.View):
289    """ Request webservice view for the CollegePAY gateway
290    """
291    grok.context(ICustomStudentOnlinePayment)
292    grok.name('request_webservice')
293    grok.require('waeup.payStudent')
294
295    def update(self):
296        ob_class = self.__implemented__.__name__
297        if self.context.p_state == 'paid':
298            self.flash(_('This ticket has already been paid.'))
299            return
300        student = self.context.student
301        success, msg, log = query_interswitch(self.context)
302        student.writeLogMessage(self, log)
303        if not success:
304            self.flash(msg)
305            return
306        success, msg, log = self.context.doAfterStudentPayment()
307        if log is not None:
308            student.writeLogMessage(self, log)
309        self.flash(msg)
310        return
311
312    def render(self):
313        self.redirect(self.url(self.context, '@@index'))
314        return
315
316class InterswitchPaymentRequestWebservicePageApplicant(UtilityView, grok.View):
317    """ Request webservice view for the CollegePAY gateway
318    """
319    grok.context(ICustomApplicantOnlinePayment)
320    grok.name('request_webservice')
321    grok.require('waeup.payApplicant')
322
323    def update(self):
324        if self.context.p_state == 'paid':
325            self.flash(_('This ticket has already been paid.'))
326            return
327        applicant = self.context.__parent__
328        success, msg, log = query_interswitch(self.context)
329        applicant.writeLogMessage(self, log)
330        if not success:
331            self.flash(msg)
332            return
333        success, msg, log = self.context.doAfterApplicantPayment()
334        if log is not None:
335            applicant.writeLogMessage(self, log)
336        self.flash(msg)
337        return
338
339    def render(self):
340        self.redirect(self.url(self.context, '@@index'))
341        return
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