source: main/waeup.uniben/trunk/src/waeup/uniben/interswitch/browser.py @ 9515

Last change on this file since 9515 was 9515, checked in by Henrik Bettermann, 12 years ago

Configure gown fee payment.
  • Property svn:keywords set to Id
File size: 19.7 KB
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1## $Id: browser.py 9515 2012-11-03 08:57:35Z 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.uniben.students.interfaces import ICustomStudentOnlinePayment
31from waeup.uniben.applicants.interfaces import ICustomApplicantOnlinePayment
32from waeup.uniben.interfaces import MessageFactory as _
33
34PRODUCT_ID = '57'
35SITE_NAME = 'uniben-kofa.waeup.org'
36PROVIDER_ACCT = '1010764827'
37PROVIDER_BANK_ID = '117'
38PROVIDER_ITEM_NAME = 'BT Education'
39INSTITUTION_NAME = 'Uniben'
40CURRENCY = '566'
41#QUERY_URL = 'https://webpay.interswitchng.com/paydirect/services/TransactionQueryURL.aspx'
42#QUERY_URL = 'https://testwebpay.interswitchng.com/test_paydirect/services/TransactionQueryURL.aspx'
43POST_ACTION = 'https://webpay.interswitchng.com/paydirect/webpay/pay.aspx'
44#POST_ACTION = 'https://testwebpay.interswitchng.com/test_paydirect/webpay/pay.aspx'
45
46HOST = 'webpay.interswitchng.com'
47#HOST = 'testwebpay.interswitchng.com'
48URL = '/paydirect/services/TransactionQueryWs.asmx'
49#URL = '/test_paydirect/services/TransactionQueryWs.asmx'
50httplib.HTTPConnection.debuglevel = 0
51
52
53def SOAP_post(soap_action,xml):
54    """Handles making the SOAP request.
55
56    Further reading:
57    http://testwebpay.interswitchng.com/test_paydirect/services/TransactionQueryWs.asmx?op=getTransactionData
58    """
59    h = httplib.HTTPConnection(HOST)
60    headers={
61        'Host':HOST,
62        'Content-Type':'text/xml; charset=utf-8',
63        'Content-Length':len(xml),
64        'SOAPAction':'"%s"' % soap_action,
65    }
66    h.request('POST', URL, body=xml,headers=headers)
67    r = h.getresponse()
68    d = r.read()
69    if r.status!=200:
70        raise ValueError('Error connecting: %s, %s' % (r.status, r.reason))
71    return d
72
73def get_SOAP_response(product_id, transref):
74    xml="""\
75<?xml version="1.0" encoding="utf-8"?>
76<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/">
77  <soap:Body>
78    <getTransactionData xmlns="http://tempuri.org/">
79      <product_id>%s</product_id>
80      <trans_ref>%s</trans_ref>
81    </getTransactionData>
82  </soap:Body>
83</soap:Envelope>""" % (product_id, transref)
84    result_xml=SOAP_post("http://tempuri.org/getTransactionData",xml)
85    doc=parseString(result_xml)
86    response=doc.getElementsByTagName('getTransactionDataResult')[0].firstChild.data
87    return response
88
89def query_interswitch(payment):
90    sr = get_SOAP_response(PRODUCT_ID, payment.p_id)
91    wlist = sr.split(':')
92    if len(wlist) != 7:
93        msg = _('Invalid callback: ${a}', mapping = {'a': sr})
94        log = 'invalid callback for payment %s: %s' % (payment.p_id, sr)
95        return False, msg, log
96    payment.r_code = wlist[0]
97    payment.r_desc = wlist[1]
98    payment.r_amount_approved = float(wlist[2]) / 100
99    payment.r_card_num = wlist[3]
100    payment.r_pay_reference = wlist[5]
101    payment.r_company = u'interswitch'
102    if payment.r_code != '00':
103        msg = _('Unsuccessful callback: ${a}', mapping = {'a': sr})
104        log = 'unsuccessful callback for %s payment %s: %s' % (
105            payment.p_category, 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 %s payment %s: %s' % (
111            payment.p_category, payment.p_id, sr)
112        payment.p_state = 'failed'
113        return False, msg, log
114    if wlist[4] != payment.p_id:
115        msg = _('Callback transaction id does not match.')
116        log = 'wrong callback for %s payment %s: %s' % (
117            payment.p_category, payment.p_id, sr)
118        payment.p_state = 'failed'
119        return False, msg, log
120    payment.p_state = 'paid'
121    payment.payment_date = datetime.utcnow()
122    msg = _('Successful callback received')
123    log = 'valid callback for %s payment %s: %s' % (
124        payment.p_category, payment.p_id, sr)
125    return True, msg, log
126
127class InterswitchActionButtonStudent(APABStudent):
128    grok.order(1)
129    grok.context(ICustomStudentOnlinePayment)
130    grok.require('waeup.payStudent')
131    icon = 'actionicon_pay.png'
132    text = _('CollegePAY')
133    target = 'goto_interswitch'
134
135    @property
136    def target_url(self):
137        if self.context.p_state != 'unpaid':
138            return ''
139        return self.view.url(self.view.context, self.target)
140
141class InterswitchActionButtonApplicant(APABApplicant):
142    grok.order(1)
143    grok.context(ICustomApplicantOnlinePayment)
144    grok.require('waeup.payApplicant')
145    icon = 'actionicon_pay.png'
146    text = _('CollegePAY')
147    target = 'goto_interswitch'
148
149    @property
150    def target_url(self):
151        if self.context.p_state != 'unpaid':
152            return ''
153        return self.view.url(self.view.context, self.target)
154
155# Deprecated
156#class InterswitchRequestCallbackActionButtonStudent(RCABStudent):
157#    grok.order(3)
158#    grok.context(ICustomStudentOnlinePayment)
159#    icon = 'actionicon_call.png'
160#    text = _('Request CollegePAY callback')
161
162#    def target_url(self):
163#        if self.context.p_state == 'paid':
164#            return ''
165#        site_redirect_url = self.view.url(self.view.context, 'isw_callback')
166#        args = {
167#            'transRef':self.context.p_id,
168#            'prodID':PRODUCT_ID,
169#            'redirectURL':site_redirect_url}
170#        return QUERY_URL + '?%s' % urllib.urlencode(args)
171
172# Alternative preferred solution
173class InterswitchRequestWebserviceActionButtonStudent(APABStudent):
174    grok.order(2)
175    grok.context(ICustomStudentOnlinePayment)
176    grok.require('waeup.payStudent')
177    icon = 'actionicon_call.png'
178    text = _('Requery CollegePAY')
179    target = 'request_webservice'
180
181class InterswitchRequestWebserviceActionButtonApplicant(APABApplicant):
182    grok.order(2)
183    grok.context(ICustomApplicantOnlinePayment)
184    grok.require('waeup.payApplicant')
185    icon = 'actionicon_call.png'
186    text = _('Requery CollegePAY')
187    target = 'request_webservice'
188
189
190class InterswitchPageStudent(KofaPage):
191    """ View which sends a POST request to the Interswitch
192    CollegePAY payment gateway.
193    """
194    grok.context(ICustomStudentOnlinePayment)
195    grok.name('goto_interswitch')
196    grok.template('student_goto_interswitch')
197    grok.require('waeup.payStudent')
198    label = _('Submit data to CollegePAY (Interswitch Payment Gateway)')
199    submit_button = _('Submit')
200    action = POST_ACTION
201    site_name = SITE_NAME
202    currency = CURRENCY
203    product_id = PRODUCT_ID
204
205    def update(self):
206        #if self.context.p_state != 'unpaid':
207        if self.context.p_state == 'paid':
208            self.flash(_("Payment ticket can't be re-send to CollegePAY."))
209            self.redirect(self.url(self.context, '@@index'))
210            return
211
212        student = self.student = self.context.student
213        certificate = getattr(student['studycourse'],'certificate',None)
214        self.amount_auth = 100 * self.context.amount_auth
215        xmldict = {}
216        if certificate is not None:
217            xmldict['department'] = certificate.__parent__.__parent__.code
218            xmldict['faculty'] = certificate.__parent__.__parent__.__parent__.code
219        else:
220            xmldict['department'] = None
221            xmldict['faculty'] = None
222        self.category = getUtility(IKofaUtils).PAYMENT_CATEGORIES[self.context.p_category]
223        tz = getUtility(IKofaUtils).tzinfo
224        self.local_date_time = to_timezone(
225            self.context.creation_date, tz).strftime("%Y-%m-%d %H:%M:%S %Z")
226        self.site_redirect_url = self.url(self.context, 'request_webservice')
227        # Provider data
228        xmldict['detail_ref'] = self.context.p_id
229        xmldict['provider_acct'] = PROVIDER_ACCT
230        xmldict['provider_bank_id'] = PROVIDER_BANK_ID
231        xmldict['provider_item_name'] = PROVIDER_ITEM_NAME
232        # Institution data
233        xmldict['institution_acct'] = '000000000000'
234        xmldict['institution_bank_id'] = '00'
235        xmldict['institution_amt'] = '0.0'
236        if self.context.p_category == 'schoolfee':
237            provider_amt = 1500
238            if student.current_mode.endswith('_ft'):
239                self.pay_item_id = '5700'
240                if student.current_mode in ('ug_ft','de_ft','ct_ft','ume_ft'):
241                    xmldict['institution_acct'] = '2017506430'
242                    xmldict['institution_bank_id'] = '8'
243                elif student.current_mode in ('dp_ft'):
244                    xmldict['institution_acct'] = '9201805071'
245                    xmldict['institution_bank_id'] = '17'
246                elif student.current_mode in ('pg_ft'):
247                    xmldict['institution_acct'] = '5330832799'
248                    xmldict['institution_bank_id'] = '51'
249            elif student.current_mode.endswith('_pt'):
250                self.pay_item_id = '5701'
251                if student.current_mode in ('ug_pt','de_pt','ct_pt'):
252                    xmldict['institution_acct'] = '0122009929'
253                    xmldict['institution_bank_id'] = '16'
254                elif student.current_mode in ('dp_pt'):
255                    xmldict['institution_acct'] = '9201805071'
256                    xmldict['institution_bank_id'] = '17'
257                elif student.current_mode in ('pg_pt'):
258                    xmldict['institution_acct'] = '0031716047'
259                    xmldict['institution_bank_id'] = '10'
260        elif self.context.p_category == 'clearance':
261            self.pay_item_id = '5702'
262            provider_amt = 1500
263            xmldict['institution_bank_id'] = '7'
264            xmldict['institution_acct'] = '1003475516'
265        if self.context.p_category == 'gown':
266            self.pay_item_id = '5704'
267            provider_amt = 0
268            xmldict['institution_bank_id'] = '7'
269            xmldict['institution_acct'] = '1016232382'
270
271        xmldict['provider_amt'] = 100 * provider_amt
272        xmldict['institution_item_name'] = self.category
273        xmldict['institution_name'] = INSTITUTION_NAME
274        xmldict['institution_amt'] = 100 * (
275            self.context.amount_auth - provider_amt - 150)
276        # Interswitch amount is not part of the xml data
277        if provider_amt == 0:
278            xmltext = """<payment_item_detail>
279<item_details detail_ref="%(detail_ref)s" college="%(institution_name)s" department="%(department)s" faculty="%(faculty)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_details>
282</payment_item_detail>""" % xmldict
283        else:
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="%(provider_item_name)s" item_amt="%(provider_amt)d" bank_id="%(provider_bank_id)s" acct_num="%(provider_acct)s" />
288</item_details>
289</payment_item_detail>""" % xmldict
290        self.xml_data = """<input type="hidden" name="xml_data" value='%s'  />""" % xmltext
291        return
292
293class InterswitchPageApplicant(KofaPage):
294    """ View which sends a POST request to the Interswitch
295    CollegePAY payment gateway.
296    """
297    grok.context(ICustomApplicantOnlinePayment)
298    grok.require('waeup.payApplicant')
299    grok.template('applicant_goto_interswitch')
300    grok.name('goto_interswitch')
301    label = _('Submit data to CollegePAY (Interswitch Payment Gateway)')
302    submit_button = _('Submit')
303    action = POST_ACTION
304    site_name = SITE_NAME
305    currency = CURRENCY
306    pay_item_id = '5703'
307    product_id = PRODUCT_ID
308
309    def update(self):
310        if self.context.p_state != 'unpaid':
311            self.flash(_("Payment ticket can't be re-send to CollegePAY."))
312            self.redirect(self.url(self.context, '@@index'))
313            return
314        if self.context.__parent__.__parent__.expired \
315            and self.context.__parent__.__parent__.strict_deadline:
316            self.flash(_("Payment ticket can't be send to CollegePAY. "
317                         "Application period has expired."))
318            self.redirect(self.url(self.context, '@@index'))
319            return
320        self.applicant = self.context.__parent__
321        self.amount_auth = 100 * self.context.amount_auth
322        xmldict = {}
323        self.category = getUtility(IKofaUtils).PAYMENT_CATEGORIES[self.context.p_category]
324        tz = getUtility(IKofaUtils).tzinfo
325        self.local_date_time = to_timezone(
326            self.context.creation_date, tz).strftime("%Y-%m-%d %H:%M:%S %Z")
327        self.site_redirect_url = self.url(self.context, 'request_webservice')
328        if self.applicant.applicant_id.startswith('pg'):
329            provider_amt = 400
330            xmldict['institution_acct'] = '0031716030'
331            xmldict['institution_bank_id'] = '10'
332        else:
333            provider_amt = 250
334            xmldict['institution_acct'] = '6220032503'
335            xmldict['institution_bank_id'] = '51'
336        xmldict['detail_ref'] = self.context.p_id
337        xmldict['provider_amt'] = 100 * provider_amt
338        xmldict['provider_acct'] = PROVIDER_ACCT
339        xmldict['provider_bank_id'] = PROVIDER_BANK_ID
340        xmldict['provider_item_name'] = PROVIDER_ITEM_NAME
341        xmldict['institution_amt'] = 100 * (self.context.amount_auth - provider_amt - 150)
342        xmldict['institution_item_name'] = self.context.p_category
343        xmldict['institution_name'] = INSTITUTION_NAME
344        # Interswitch amount is not part of the xml data
345        xmltext = """<payment_item_detail>
346<item_details detail_ref="%(detail_ref)s" college="%(institution_name)s">
347<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" />
348<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" />
349</item_details>
350</payment_item_detail>""" % xmldict
351        self.xml_data = """<input type="hidden" name="xml_data" value='%s'  />""" % xmltext
352        return
353
354# Deprecated
355#class InterswitchPaymentCallbackPageStudent(UtilityView, grok.View):
356#    """ Callback view for the CollegePAY gateway
357#    """
358#    grok.context(ICustomStudentOnlinePayment)
359#    grok.name('isw_callback')
360#    grok.require('waeup.payStudent')
361
362    # This view is not yet working for offline querying transactions
363    # since the query string differs from the query string sent after
364    # posting transactions. This Interswitch bug must be removed first.
365    # Alternatively, we could use the webservice only and replace
366    # the RequestCallbackActionButton by a RequestWebserviceActionButton
367
368#    def update(self):
369#        if self.context.p_state == 'paid':
370#            self.flash(_('This ticket has already been paid.'))
371#            return
372#        student = self.context.student
373#        query = self.request.form
374#        write_log_message(self,'callback received: %s' % query)
375#        self.context.r_card_num = query.get('cardNum', None)
376#        self.context.r_code = query.get('resp', None)
377#        self.context.r_pay_reference  = query.get('payRef', None)
378#        self.context.r_amount_approved = float(query.get('apprAmt', '0.0')) / 100
379#        self.context.r_desc = query.get('desc', None)
380#        if self.context.r_code != '00':
381#            self.flash(_('Unsuccessful callback: ${a}',
382#                mapping = {'a': query.get('desc', _('Incomplete query string.'))}))
383#            write_log_message(self,'unsuccessful callback: %s' % self.context.p_id)
384#            self.context.p_state = 'failed'
385#            return
386#        if self.context.r_amount_approved != payment.amount_auth:
387#            self.flash(_('Wrong amount'))
388#            write_log_message(
389#                self,'successful but wrong amount: %s' % self.context.p_id)
390#            self.context.p_state = 'failed'
391#            return
392#        try:
393#            validation_list = get_SOAP_response(
394#                PRODUCT_ID, self.context.p_id).split(':')
395            # Validation does not make sense yet since the query string
396            # formats are conflicting. We are only printing the validation
397            # string, nothing else.
398#            print 'WARNING: Webservice validation is not yet implemented'
399#            print 'validation list: %s' % validation_list
400#        except:
401#            print 'Connection to webservice failed.'
402        # Add webservice validation here
403#        write_log_message(self,'valid callback: %s' % self.context.p_id)
404#        self.context.p_state = 'paid'
405#        self.context.payment_date = datetime.utcnow()
406#        actions_after_student_payment(student, self.context, self)
407#        return
408
409#    def render(self):
410#        self.redirect(self.url(self.context, '@@index'))
411#        return
412
413# Alternative solution, replaces InterswitchPaymentCallbackPage
414class InterswitchPaymentRequestWebservicePageStudent(UtilityView, grok.View):
415    """ Request webservice view for the CollegePAY gateway
416    """
417    grok.context(ICustomStudentOnlinePayment)
418    grok.name('request_webservice')
419    grok.require('waeup.payStudent')
420
421    def update(self):
422        ob_class = self.__implemented__.__name__
423        if self.context.p_state == 'paid':
424            self.flash(_('This ticket has already been paid.'))
425            return
426        student = self.context.student
427        success, msg, log = query_interswitch(self.context)
428        student.writeLogMessage(self, log)
429        if not success:
430            self.flash(msg)
431            return
432        success, msg, log = self.context.doAfterStudentPayment()
433        if log is not None:
434            student.writeLogMessage(self, log)
435        self.flash(msg)
436        return
437
438    def render(self):
439        self.redirect(self.url(self.context, '@@index'))
440        return
441
442class InterswitchPaymentRequestWebservicePageApplicant(UtilityView, grok.View):
443    """ Request webservice view for the CollegePAY gateway
444    """
445    grok.context(ICustomApplicantOnlinePayment)
446    grok.name('request_webservice')
447    grok.require('waeup.payApplicant')
448
449    def update(self):
450        if self.context.p_state == 'paid':
451            self.flash(_('This ticket has already been paid.'))
452            return
453        applicant = self.context.__parent__
454        success, msg, log = query_interswitch(self.context)
455        applicant.writeLogMessage(self, log)
456        if not success:
457            self.flash(msg)
458            return
459        success, msg, log = self.context.doAfterApplicantPayment()
460        if log is not None:
461            applicant.writeLogMessage(self, log)
462        self.flash(msg)
463        return
464
465    def render(self):
466        self.redirect(self.url(self.context, '@@index'))
467        return
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