155 lines
6.1 KiB
Python
155 lines
6.1 KiB
Python
from django.db import models
|
|
from django.contrib.auth.models import User
|
|
from regluit.core.models import Campaign, Wishlist
|
|
from regluit.payment.parameters import *
|
|
from decimal import Decimal
|
|
import uuid
|
|
|
|
class Transaction(models.Model):
|
|
|
|
# type e.g., PAYMENT_TYPE_INSTANT or PAYMENT_TYPE_AUTHORIZATION -- defined in parameters.py
|
|
type = models.IntegerField(default=PAYMENT_TYPE_NONE, null=False)
|
|
|
|
# target: e.g, TARGET_TYPE_CAMPAIGN, TARGET_TYPE_LIST -- defined in parameters.py
|
|
target = models.IntegerField(default=TARGET_TYPE_NONE, null=False)
|
|
|
|
#execution: e.g. EXECUTE_TYPE_CHAINED_INSTANT, EXECUTE_TYPE_CHAINED_DELAYED, EXECUTE_TYPE_PARALLEL
|
|
execution = models.IntegerField(default=EXECUTE_TYPE_NONE, null=False)
|
|
|
|
# status: constants defined in paypal.py (e.g., IPN_PAY_STATUS_ACTIVE, IPN_PAY_STATUS_CREATED)
|
|
status = models.CharField(max_length=32, default='NONE', null=False)
|
|
|
|
# amount & currency -- amount of money and its currency involved for transaction
|
|
amount = models.DecimalField(default=Decimal('0.00'), max_digits=14, decimal_places=2) # max 999,999,999,999.99
|
|
max_amount = models.DecimalField(default=Decimal('0.00'), max_digits=14, decimal_places=2) # max 999,999,999,999.99
|
|
currency = models.CharField(max_length=10, default='USD', null=True)
|
|
|
|
# a unique ID that can be passed to PayPal to track a transaction
|
|
secret = models.CharField(max_length=64, null=True)
|
|
|
|
# a paykey that PayPal generates to identify this transaction
|
|
pay_key = models.CharField(max_length=128, null=True)
|
|
|
|
# a preapproval key that Paypal generates to identify this transaction
|
|
preapproval_key = models.CharField(max_length=128, null=True)
|
|
|
|
# (RY is not sure what receipt is for)
|
|
receipt = models.CharField(max_length=256, null=True)
|
|
|
|
# whether a Preapproval has been approved or not
|
|
approved = models.NullBooleanField(null=True)
|
|
|
|
# error message from a PayPal transaction
|
|
error = models.CharField(max_length=256, null=True)
|
|
|
|
# IPN.reason_code
|
|
reason = models.CharField(max_length=64, null=True)
|
|
|
|
# creation and last modified timestamps
|
|
date_created = models.DateTimeField(auto_now_add=True)
|
|
date_modified = models.DateTimeField(auto_now=True)
|
|
|
|
# date_payment: when an attempt is made to make the primary payment
|
|
date_payment = models.DateTimeField(null=True)
|
|
|
|
# date_executed: when an attempt is made to send money to non-primary chained receivers
|
|
date_executed = models.DateTimeField(null=True)
|
|
|
|
# datetime for creation of preapproval and for its expiration
|
|
date_authorized = models.DateTimeField(null=True)
|
|
date_expired = models.DateTimeField(null=True)
|
|
|
|
# associated User and Campaign for this Transaction
|
|
user = models.ForeignKey(User, null=True)
|
|
campaign = models.ForeignKey(Campaign, null=True)
|
|
|
|
# list: makes allowance for pledging against a Wishlist: not currently in use
|
|
list = models.ForeignKey(Wishlist, null=True)
|
|
|
|
# whether the user wants to be not listed publicly
|
|
anonymous = models.BooleanField(null=False)
|
|
|
|
def save(self, *args, **kwargs):
|
|
if not self.secret:
|
|
self.secret = str(uuid.uuid1())
|
|
super(Transaction, self).save(*args, **kwargs) # Call the "real" save() method.
|
|
|
|
def __unicode__(self):
|
|
return u"-- Transaction:\n \tstatus: %s\n \t amount: %s\n \treference: %s\n \terror: %s\n" % (self.status, str(self.amount), self.preapproval_key, self.error)
|
|
|
|
def create_receivers(self, receiver_list):
|
|
|
|
primary = True
|
|
for r in receiver_list:
|
|
receiver = Receiver.objects.create(email=r['email'], amount=r['amount'], currency=self.currency, status="None", primary=primary, transaction=self)
|
|
primary = False
|
|
|
|
|
|
class PaymentResponse(models.Model):
|
|
# The API used
|
|
api = models.CharField(max_length=64, null=False)
|
|
|
|
# The correlation ID
|
|
correlation_id = models.CharField(max_length=512, null=True)
|
|
|
|
# the paypal timestamp
|
|
timestamp = models.CharField(max_length=128, null=True)
|
|
|
|
# extra info we want to store if an error occurs such as the response message
|
|
info = models.CharField(max_length=1024, null=True)
|
|
|
|
transaction = models.ForeignKey(Transaction, null=False)
|
|
|
|
def __unicode__(self):
|
|
return u"PaymentResponse -- api: {0} correlation_id: {1} transaction: {2}".format(self.api, self.correlation_id, unicode(self.transaction))
|
|
|
|
|
|
class Receiver(models.Model):
|
|
|
|
email = models.CharField(max_length=64)
|
|
|
|
amount = models.DecimalField(default=Decimal('0.00'), max_digits=14, decimal_places=2) # max 999,999,999,999.99
|
|
currency = models.CharField(max_length=10)
|
|
|
|
status = models.CharField(max_length=64)
|
|
reason = models.CharField(max_length=64)
|
|
primary = models.BooleanField()
|
|
txn_id = models.CharField(max_length=64)
|
|
transaction = models.ForeignKey(Transaction)
|
|
|
|
def __unicode__(self):
|
|
return u"Receiver -- email: {0} status: {1} transaction: {2}".format(self.email, self.status, unicode(self.transaction))
|
|
|
|
from django.db.models.signals import post_save, post_delete
|
|
import regluit.payment.manager
|
|
|
|
# handle any save, updates to a payment.Transaction
|
|
|
|
def handle_transaction_change(sender, instance, created, **kwargs):
|
|
campaign = instance.campaign
|
|
|
|
if campaign:
|
|
p = regluit.payment.manager.PaymentManager()
|
|
amount = p.query_campaign(campaign=instance.campaign,summary=True)
|
|
instance.campaign.left=instance.campaign.target - amount
|
|
instance.campaign.save()
|
|
|
|
return True
|
|
|
|
# handle any deletes of payment.Transaction
|
|
|
|
def handle_transaction_delete(sender, instance, **kwargs):
|
|
campaign = instance.campaign
|
|
|
|
if campaign:
|
|
p = regluit.payment.manager.PaymentManager()
|
|
amount = p.query_campaign(campaign=instance.campaign,summary=True)
|
|
instance.campaign.left=instance.campaign.target - amount
|
|
instance.campaign.save()
|
|
|
|
return True
|
|
|
|
post_save.connect(handle_transaction_change,sender=Transaction)
|
|
post_delete.connect(handle_transaction_delete,sender=Transaction)
|
|
|