source: OpenRLabs-Git/deploy/rlabs-docker/web2py-rlabs/gluon/contrib/DowCommerce.py

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1"""
2DowCommerce class to process credit card payments with DowCommerce.com
3
4Modifications to support Dow Commerce API from code originally written by John Conde
5http://www.johnconde.net/blog/integrate-the-authorizenet-aim-api-with-python-3-2/
6BSDv3 License
7
8Modifed by Dave Stoll dave.stoll@gmail.com
9
10- modifed to support Dow Commerce API
11"""
12from __future__ import print_function
13
14__all__ = ['DowCommerce']
15
16from operator import itemgetter
17from gluon._compat import urlopen, urlencode, FancyURLopene
18
19
20class DowCommerce:
21
22    class DowCommerceError(Exception):
23        def __init__(self, value):
24            self.parameter = value
25
26        def __str__(self):
27            return str(self.parameter)
28
29    def __init__(self, username=None, password=None, demomode=False):
30        if not demomode:
31            if str(username).strip() == '' or username is None:
32                raise DowCommerce.DowCommerceError('No username provided')
33            if str(password).strip() == '' or password is None:
34                raise DowCommerce.DowCommerceError('No password provided')
35        else:
36            username = 'demo'
37            password = 'password'
38
39        self.proxy = None
40        self.delimiter = '&'
41        self.results = {}
42        self.error = True
43        self.success = False
44        self.declined = False
45        self.url = 'https://secure.dowcommerce.net/api/transact.php'
46
47        self.parameters = {}
48        self.setParameter('username', username)
49        self.setParameter('password', password)
50
51    def process(self):
52        encoded_args = urlencode(self.parameters)
53        if self.proxy is None:
54            results = str(urlopen(
55                self.url, encoded_args).read()).split(self.delimiter)
56        else:
57            opener = FancyURLopener(self.proxy)
58            opened = opener.open(self.url, encoded_args)
59            try:
60                results = str(opened.read()).split(self.delimiter)
61            finally:
62                opened.close()
63
64        for result in results:
65            (key, val) = result.split('=')
66            self.results[key] = val
67
68        if self.results['response'] == '1':
69            self.error = False
70            self.success = True
71            self.declined = False
72        elif self.results['response'] == '2':
73            self.error = False
74            self.success = False
75            self.declined = True
76        elif self.results['response'] == '3':
77            self.error = True
78            self.success = False
79            self.declined = False
80        else:
81            self.error = True
82            self.success = False
83            self.declined = False
84            raise DowCommerce.DowCommerceError(self.results)
85
86    def setTransaction(
87        self, creditcard, expiration, total, cvv=None, orderid=None, orderdescription=None,
88        ipaddress=None, tax=None, shipping=None,
89        firstname=None, lastname=None, company=None, address1=None, address2=None, city=None, state=None, zipcode=None,
90        country=None, phone=None, fax=None, emailaddress=None, website=None,
91        shipping_firstname=None, shipping_lastname=None, shipping_company=None, shipping_address1=None, shipping_address2=None,
92            shipping_city=None, shipping_state=None, shipping_zipcode=None, shipping_country=None, shipping_emailaddress=None):
93        if str(creditcard).strip() == '' or creditcard is None:
94            raise DowCommerce.DowCommerceError('No credit card number passed to setTransaction(): {0}'.format(creditcard))
95        if str(expiration).strip() == '' or expiration is None:
96            raise DowCommerce.DowCommerceError('No expiration number passed to setTransaction(): {0}'.format(expiration))
97        if str(total).strip() == '' or total is None:
98            raise DowCommerce.DowCommerceError('No total amount passed to setTransaction(): {0}'.format(total))
99
100        self.setParameter('ccnumber', creditcard)
101        self.setParameter('ccexp', expiration)
102        self.setParameter('amount', total)
103
104        if cvv:
105            self.setParameter('cvv', cvv)
106        if orderid:
107            self.setParameter('orderid', orderid)
108        if orderdescription:
109            self.setParameter('orderdescription', orderdescription)
110        if ipaddress:
111            self.setParameter('ipaddress', ipaddress)
112        if tax:
113            self.setParameter('tax', tax)
114        if shipping:
115            self.setParameter('shipping', shipping)
116
117        ## billing info
118        if firstname:
119            self.setParameter('firstname', firstname)
120        if lastname:
121            self.setParameter('lastname', lastname)
122        if company:
123            self.setParameter('company', company)
124        if address1:
125            self.setParameter('address1', address1)
126        if address2:
127            self.setParameter('address2', address2)
128        if city:
129            self.setParameter('city', city)
130        if state:
131            self.setParameter('state', state)
132        if zipcode:
133            self.setParameter('zip', zipcode)
134        if country:
135            self.setParameter('country', country)
136        if phone:
137            self.setParameter('phone', phone)
138        if fax:
139            self.setParameter('fax', fax)
140        if emailaddress:
141            self.setParameter('email', emailaddress)
142        if website:
143            self.setParameter('website', website)
144
145        ## shipping info
146        if shipping_firstname:
147            self.setParameter('shipping_firstname', shipping_firstname)
148        if shipping_lastname:
149            self.setParameter('shipping_lastname', shipping_lastname)
150        if shipping_company:
151            self.setParameter('shipping_company', shipping_company)
152        if shipping_address1:
153            self.setParameter('shipping_address1', shipping_address1)
154        if shipping_address2:
155            self.setParameter('shipping_address2', shipping_address2)
156        if shipping_city:
157            self.setParameter('shipping_city', shipping_city)
158        if shipping_state:
159            self.setParameter('shipping_state', shipping_state)
160        if shipping_zipcode:
161            self.setParameter('shipping_zip', shipping_zipcode)
162        if shipping_country:
163            self.setParameter('shipping_country', shipping_country)
164
165    def setTransactionType(self, transtype=None):
166        types = ['sale', 'auth', 'credit']
167        if transtype.lower() not in types:
168            raise DowCommerce.DowCommerceError('Incorrect Transaction Type passed to setTransactionType(): {0}'.format(transtype))
169        self.setParameter('type', transtype.lower())
170
171    def setProxy(self, proxy=None):
172        if str(proxy).strip() == '' or proxy is None:
173            raise DowCommerce.DowCommerceError('No proxy passed to setProxy()')
174        self.proxy = {'http': str(proxy).strip()}
175
176    def setParameter(self, key=None, value=None):
177        if key is not None and value is not None and str(key).strip() != '' and str(value).strip() != '':
178            self.parameters[key] = str(value).strip()
179        else:
180            raise DowCommerce.DowCommerceError('Incorrect parameters passed to setParameter(): {0}:{1}'.format(key, value))
181
182    def isApproved(self):
183        return self.success
184
185    def isDeclined(self):
186        return self.declined
187
188    def isError(self):
189        return self.error
190
191    def getResultResponseShort(self):
192        responses = ['', 'Approved', 'Declined', 'Error']
193        return responses[int(self.results['response'])]
194
195    def getFullResponse(self):
196        return self.results
197
198    def getResponseText(self):
199        return self.results['responsetext']
200
201
202def test():
203    import socket
204    import sys
205    from time import time
206
207    ## TEST VALUES FROM API DOC:
208    # Visa:             4111111111111111
209    # MasterCard        5431111111111111
210    # DiscoverCard:     6011601160116611
211    # American Express: 341111111111111
212    # Expiration:       10/10
213    # Amount:           > 1.00  (( passing less than $1.00 will cause it to be declined ))
214    # CVV:              999
215    creditcard = '4111111111111111'
216    expiration = '1010'
217    total = '1.00'
218    cvv = '999'
219    tax = '0.00'
220    orderid = str(time())[4:10]  # get a random invoice number
221
222    try:
223        payment = DowCommerce(demomode=True)
224        payment.setTransaction(
225            creditcard, expiration, total, cvv=cvv, tax=tax, orderid=orderid, orderdescription='Test Transaction',
226            firstname='John', lastname='Doe', company='Acme', address1='123 Min Street', city='Hometown', state='VA',
227            zipcode='12345', country='US', phone='888-555-1212', emailaddress='john@noemail.local', ipaddress='192.168.1.1')
228
229        payment.process()
230        if payment.isApproved():
231            print('Payment approved!')
232            print(payment.getFullResponse())
233        elif payment.isDeclined():
234            print('Your credit card was declined by your bank')
235        elif payment.isError():
236            raise DowCommerce.DowCommerceError('An uncaught error occurred')
237    except DowCommerce.DowCommerceError as e:
238        print("Exception thrown:", e)
239        print('An error occured')
240    print('approved', payment.isApproved())
241    print('declined', payment.isDeclined())
242    print('error', payment.isError())
243
244if __name__ == '__main__':
245    test()
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