source: main/waeup.fceokene/trunk/src/waeup/fceokene/interswitch/browser.py @ 9440

Last change on this file since 9440 was 9440, checked in by Henrik Bettermann, 12 years ago

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1## $Id: browser.py 9440 2012-10-27 06:37:00Z 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.fceokene.students.interfaces import ICustomStudentOnlinePayment
31from waeup.fceokene.applicants.interfaces import ICustomApplicantOnlinePayment
32from waeup.fceokene.interfaces import MessageFactory as _
33
34PRODUCT_ID = '83'
35SITE_NAME = 'fceokene-kofa.waeup.org'
36PROVIDER_ACCT = '0026781725'
37PROVIDER_BANK_ID = '31'
38PROVIDER_ITEM_NAME = 'BT Education'
39INSTITUTION_NAME = 'FCEOkene'
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
155class InterswitchRequestWebserviceActionButtonStudent(APABStudent):
156    grok.order(2)
157    grok.context(ICustomStudentOnlinePayment)
158    grok.require('waeup.payStudent')
159    icon = 'actionicon_call.png'
160    text = _('Requery CollegePAY')
161    target = 'request_webservice'
162
163class InterswitchRequestWebserviceActionButtonApplicant(APABApplicant):
164    grok.order(2)
165    grok.context(ICustomApplicantOnlinePayment)
166    grok.require('waeup.payApplicant')
167    icon = 'actionicon_call.png'
168    text = _('Requery CollegePAY')
169    target = 'request_webservice'
170
171class InterswitchPageStudent(KofaPage):
172    """ View which sends a POST request to the Interswitch
173    CollegePAY payment gateway.
174    """
175    grok.context(ICustomStudentOnlinePayment)
176    grok.name('goto_interswitch')
177    grok.template('student_goto_interswitch')
178    grok.require('waeup.payStudent')
179    label = _('Submit data to CollegePAY (Interswitch Payment Gateway)')
180    submit_button = _('Submit')
181    action = POST_ACTION
182    site_name = SITE_NAME
183    currency = CURRENCY
184    pay_item_id = '8302'
185    product_id = PRODUCT_ID
186
187    def update(self):
188        #if self.context.p_state != 'unpaid':
189        if self.context.p_state == 'paid':
190            self.flash(_("Payment ticket can't be re-send to CollegePAY."))
191            self.redirect(self.url(self.context, '@@index'))
192            return
193
194        student = self.student = self.context.student
195        certificate = getattr(student['studycourse'],'certificate',None)
196        self.amount_auth = 100 * self.context.amount_auth
197        xmldict = {}
198        if certificate is not None:
199            xmldict['department'] = certificate.__parent__.__parent__.code
200            xmldict['faculty'] = certificate.__parent__.__parent__.__parent__.code
201        else:
202            xmldict['department'] = None
203            xmldict['faculty'] = None
204        self.category = getUtility(IKofaUtils).PAYMENT_CATEGORIES[self.context.p_category]
205        tz = getUtility(IKofaUtils).tzinfo
206        self.local_date_time = to_timezone(
207            self.context.creation_date, tz).strftime("%Y-%m-%d %H:%M:%S %Z")
208        self.site_redirect_url = self.url(self.context, 'request_webservice')
209        # Provider data
210        xmldict['detail_ref'] = self.context.p_id
211        xmldict['provider_acct'] = PROVIDER_ACCT
212        xmldict['provider_bank_id'] = PROVIDER_BANK_ID
213        xmldict['provider_item_name'] = PROVIDER_ITEM_NAME
214        xmldict['provider_amt'] = 100 * 500
215        # Institution data
216        studycourse = student['studycourse']
217        if student.current_mode in ('ug_sw','prence',):
218            xmldict['institution_acct'] = "6216801025"
219            xmldict['institution_bank_id'] = '117'
220        elif student.current_mode in ('ug_ft',) and \
221            student['studycourse'].current_verdict == 'O':
222            xmldict['institution_acct'] = "6216801025"
223            xmldict['institution_bank_id'] = '117'
224        elif student.current_mode in ('ug_ft',):
225            xmldict['institution_acct'] = "6216801033"
226            xmldict['institution_bank_id'] = '117'
227        elif student.current_mode in ('pd_ft',):
228            xmldict['institution_acct'] = "6216801025"
229            xmldict['institution_bank_id'] = '117'
230        else:
231            xmldict['fceokene_acct'] = "0000000000000"
232            xmldict['institution_bank_id'] = '0'
233        xmldict['fceokene_split'] = 100 * 1400
234        xmldict['institution_amt'] = 100 * (
235            self.context.amount_auth - 500 - 150 - 1400)
236        xmldict['institution_item_name'] = self.context.p_category
237        xmldict['institution_name'] = INSTITUTION_NAME
238        # Interswitch amount is not part of the xml data
239        xmltext = """<payment_item_detail>
240<item_details detail_ref="%(detail_ref)s" college="%(institution_name)s" department="%(department)s" faculty="%(faculty)s">
241<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" />
242<item_detail item_id="2" item_name="FCEOkene Split" item_amt="%(fceokene_split)s" bank_id="117" acct_num="6216801058" />
243<item_detail item_id="3" item_name="%(provider_item_name)s" item_amt="%(provider_amt)d" bank_id="%(provider_bank_id)s" acct_num="%(provider_acct)s" />
244</item_details>
245</payment_item_detail>""" % xmldict
246        self.xml_data = """<input type="hidden" name="xml_data" value='%s'  />""" % xmltext
247        return
248
249class InterswitchPageApplicant(KofaPage):
250    """ View which sends a POST request to the Interswitch
251    CollegePAY payment gateway.
252    """
253    grok.context(ICustomApplicantOnlinePayment)
254    grok.require('waeup.payApplicant')
255    grok.template('applicant_goto_interswitch')
256    grok.name('goto_interswitch')
257    label = _('Submit data to CollegePAY (Interswitch Payment Gateway)')
258    submit_button = _('Submit')
259    action = POST_ACTION
260    site_name = SITE_NAME
261    currency = CURRENCY
262    pay_item_id = '8303'
263    product_id = PRODUCT_ID
264
265    def update(self):
266        if self.context.p_state != 'unpaid':
267            self.flash(_("Payment ticket can't be re-send to CollegePAY."))
268            self.redirect(self.url(self.context, '@@index'))
269            return
270        if self.context.__parent__.__parent__.expired \
271            and self.context.__parent__.__parent__.strict_deadline:
272            self.flash(_("Payment ticket can't be send to CollegePAY. "
273                         "Application period has expired."))
274            self.redirect(self.url(self.context, '@@index'))
275            return
276        self.applicant = self.context.__parent__
277        self.amount_auth = 100 * self.context.amount_auth
278        xmldict = {}
279        self.category = getUtility(IKofaUtils).PAYMENT_CATEGORIES[self.context.p_category]
280        tz = getUtility(IKofaUtils).tzinfo
281        self.local_date_time = to_timezone(
282            self.context.creation_date, tz).strftime("%Y-%m-%d %H:%M:%S %Z")
283        self.site_redirect_url = self.url(self.context, 'request_webservice')
284        xmldict['detail_ref'] = self.context.p_id
285        # Provider data
286        xmldict['provider_amt'] = 100 * 500
287        xmldict['provider_acct'] = PROVIDER_ACCT
288        xmldict['provider_bank_id'] = PROVIDER_BANK_ID
289        xmldict['provider_item_name'] = PROVIDER_ITEM_NAME
290        # Institution data
291        xmldict['institution_amt'] = 100 * (self.context.amount_auth - 500 - 150)
292        xmldict['institution_acct'] = '1012445289'
293        xmldict['institution_bank_id'] = '117'
294        xmldict['institution_item_name'] = self.context.p_category
295        xmldict['institution_name'] = INSTITUTION_NAME
296        # Interswitch amount is not part of the xml data
297        xmltext = """<payment_item_detail>
298<item_details detail_ref="%(detail_ref)s" college="%(institution_name)s">
299<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" />
300<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" />
301</item_details>
302</payment_item_detail>""" % xmldict
303        self.xml_data = """<input type="hidden" name="xml_data" value='%s'  />""" % xmltext
304        return
305
306
307class InterswitchPaymentRequestWebservicePageStudent(UtilityView, grok.View):
308    """ Request webservice view for the CollegePAY gateway
309    """
310    grok.context(ICustomStudentOnlinePayment)
311    grok.name('request_webservice')
312    grok.require('waeup.payStudent')
313
314    def update(self):
315        ob_class = self.__implemented__.__name__
316        if self.context.p_state == 'paid':
317            self.flash(_('This ticket has already been paid.'))
318            return
319        student = self.context.student
320        success, msg, log = query_interswitch(self.context)
321        student.writeLogMessage(self, log)
322        if not success:
323            self.flash(msg)
324            return
325        success, msg, log = self.context.doAfterStudentPayment()
326        if log is not None:
327            student.writeLogMessage(self, log)
328        self.flash(msg)
329        return
330
331    def render(self):
332        self.redirect(self.url(self.context, '@@index'))
333        return
334
335class InterswitchPaymentRequestWebservicePageApplicant(UtilityView, grok.View):
336    """ Request webservice view for the CollegePAY gateway
337    """
338    grok.context(ICustomApplicantOnlinePayment)
339    grok.name('request_webservice')
340    grok.require('waeup.payApplicant')
341
342    def update(self):
343        if self.context.p_state == 'paid':
344            self.flash(_('This ticket has already been paid.'))
345            return
346        applicant = self.context.__parent__
347        success, msg, log = query_interswitch(self.context)
348        applicant.writeLogMessage(self, log)
349        if not success:
350            self.flash(msg)
351            return
352        success, msg, log = self.context.doAfterApplicantPayment()
353        if log is not None:
354            applicant.writeLogMessage(self, log)
355        self.flash(msg)
356        return
357
358    def render(self):
359        self.redirect(self.url(self.context, '@@index'))
360        return
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