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comparison gpp/donations/views.py @ 61:8c9344e36813

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Donations: tested IPN logic with the Paypal developer sandbox.
author Brian Neal <bgneal@gmail.com>
date Wed, 24 Jun 2009 01:57:10 +0000
parents 5dbfb7fec629
children 5899e308cdb3
comparison
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60:399a9a40bbcf 61:8c9344e36813
13 from django.http import HttpResponseServerError 13 from django.http import HttpResponseServerError
14 from django.contrib.auth.models import User 14 from django.contrib.auth.models import User
15 15
16 from donations.models import Donation 16 from donations.models import Donation
17 17
18 PP_DATE_FMT = '%H:%M:%S %b %d, %Y PST' 18 PP_DATE_FMT = '%H:%M:%S %b. %d, %Y'
19 19
20 def paypal_params(): 20 def paypal_params():
21 """ 21 """
22 This function returns a tuple where the 1st element is the Paypal 22 This function returns a tuple where the 1st element is the Paypal
23 URL and the 2nd element is the Paypal business email. This information 23 URL and the 2nd element is the Paypal business email. This information
135 # is this a payment received? 135 # is this a payment received?
136 txn_type = params.get('txn_type') 136 txn_type = params.get('txn_type')
137 if txn_type != 'web_accept': 137 if txn_type != 'web_accept':
138 logging.warning('IPN: invalid txn_type: %s' % txn_type) 138 logging.warning('IPN: invalid txn_type: %s' % txn_type)
139 return 139 return
140
141 logging.debug('web_accept')
140 142
141 # Looks like a donation, save it to the database. 143 # Looks like a donation, save it to the database.
142 # Determine which user this came from, if any. 144 # Determine which user this came from, if any.
143 # The username is stored in the custom field if the user was logged in when 145 # The username is stored in the custom field if the user was logged in when
144 # the donation was made. 146 # the donation was made.
145 user = None 147 user = None
146 if 'custom' in params: 148 if 'custom' in params:
147 try: 149 try:
148 user = User.objects.get(username__exact=params['custom']) 150 user = User.objects.get(username__exact=params['custom'])
149 except User.DoesNotExist: 151 except User.DoesNotExist:
152 logging.debug('user does not exist')
150 pass 153 pass
151 154
152 is_anonymous = item_number == settings.DONATIONS_ITEM_ANON_NUM 155 is_anonymous = item_number == settings.DONATIONS_ITEM_ANON_NUM
153 test_ipn = params.get('test_ipn') == '1' 156 test_ipn = params.get('test_ipn') == '1'
154 157
164 mc_fee = decimal.Decimal(params['mc_fee']) 167 mc_fee = decimal.Decimal(params['mc_fee'])
165 except KeyError, decimal.InvalidOperation: 168 except KeyError, decimal.InvalidOperation:
166 logging.error('IPN: invalid/missing mc_gross or mc_fee') 169 logging.error('IPN: invalid/missing mc_gross or mc_fee')
167 return 170 return
168 171
169 try: 172 payment_date = params.get('payment_date')
170 payment_date = datetime.datetime.strptime(params['payment_date'], 173 if payment_date is None:
171 PP_DATE_FMT) 174 logging.error('IPN: missing payment_date')
172 except KeyError, ValueError: 175 return
173 logging.error('IPN: invalid/missing payment_date') 176
174 return 177 # strip off the timezone
175 178 payment_date = payment_date[:-4]
176 donation = Donation( 179 try:
177 user=user, 180 payment_date = datetime.datetime.strptime(payment_date, PP_DATE_FMT)
178 is_anonymous=is_anonymous, 181 except ValueError:
179 test_ipn=test_ipn, 182 logging.error('IPN: invalid payment_date "%s"' % params['payment_date'])
180 txn_id=txn_id, 183 return
181 first_name=first_name, 184
182 last_name=last_name, 185 try:
183 payer_email=payer_email, 186 donation = Donation(
184 payer_id=payer_id, 187 user=user,
185 memo=memo, 188 is_anonymous=is_anonymous,
186 payer_status=payer_status, 189 test_ipn=test_ipn,
187 mc_gross=mc_gross, 190 txn_id=txn_id,
188 mc_fee=mc_fee, 191 txn_type=txn_type,
189 payment_date=payment_date) 192 first_name=first_name,
190 193 last_name=last_name,
191 donation.save() 194 payer_email=payer_email,
192 logging.info('IPN: donation saved') 195 payer_id=payer_id,
193 196 memo=memo,
197 payer_status=payer_status,
198 mc_gross=mc_gross,
199 mc_fee=mc_fee,
200 payment_date=payment_date)
201 except:
202 logging.exception('IPN: exception during donation creation')
203 else:
204 donation.save()
205 logging.info('IPN: donation saved')
206