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comparison gpp/donations/models.py @ 35:f77a1cdd7a46

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Donations: first cut at a donations view and a form built for paypal.
author Brian Neal <bgneal@gmail.com>
date Sun, 07 Jun 2009 00:22:50 +0000
parents d5d7e510ecd7
children 9fabeabd89d4
comparison
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34:d5d7e510ecd7 35:f77a1cdd7a46
4 import datetime 4 import datetime
5 import decimal 5 import decimal
6 6
7 from django.db import models 7 from django.db import models
8 from django.contrib import auth 8 from django.contrib import auth
9 from django.conf import settings
9 10
10 ANONYMOUS = u'Anonymous'
11 11
12 class DonationManager(models.Manager): 12 class DonationManager(models.Manager):
13 def monthly_stats(self, year=None, month=None): 13 def monthly_stats(self, year=None, month=None):
14 """ 14 """
15 Returns a dictionary of statistics for the given month in the given 15 Returns a tuple of items for the given month in the given
16 year. If year is None, the current year is used. If month is None, 16 year. If year is None, the current year is used. If month is None,
17 the current month is used. 17 the current month is used.
18 The returned dict has the following keys: 18 The returned tuple has the following items, in order:
19 (gross, net, donations)
20 where:
19 'gross': total gross donations 21 'gross': total gross donations
20 'net': total net donations 22 'net': total net donations
21 'donors': list of donor names 23 'donations': list of donation objects
22 """ 24 """
23 today = datetime.date.today() 25 today = datetime.date.today()
24 if year is None: 26 if year is None:
25 year = today.year 27 year = today.year
26 if month is None: 28 if month is None:
27 month = today.month 29 month = today.month
28 30
29 qs = self.filter(payment_date__year=year, 31 qs = self.filter(payment_date__year=year,
30 payment_date__month=month, 32 payment_date__month=month,
31 test_ipn=False) 33 test_ipn=False).select_related('user')
32 34
33 stats = { 35 gross = decimal.Decimal()
34 'gross': decimal.Decimal(), 36 net = decimal.Decimal()
35 'net': decimal.Decimal(), 37 donations = []
36 'donors': [],
37 }
38 for donation in qs: 38 for donation in qs:
39 stats['gross'] += donation.mc_gross 39 gross += donation.mc_gross
40 stats['net'] += donation.mc_gross - donation.mc_fee 40 net += donation.mc_gross - donation.mc_fee
41 stats['donors'].append(donation.donor()) 41 donations.append(donation)
42 42
43 return stats 43 return gross, net, donations
44 44
45 45
46 class Donation(models.Model): 46 class Donation(models.Model):
47 """Model to represent a donation to the website.""" 47 """Model to represent a donation to the website."""
48 48
69 def __unicode__(self): 69 def __unicode__(self):
70 if self.user: 70 if self.user:
71 return u'%s from %s' % (self.mc_gross, self.user.username) 71 return u'%s from %s' % (self.mc_gross, self.user.username)
72 return u'%s from %s %s' % (self.mc_gross, self.first_name, self.last_name) 72 return u'%s from %s %s' % (self.mc_gross, self.first_name, self.last_name)
73 73
74 def save(self, *args, **kwargs):
75 if self.user is None:
76 self.is_anonymous = True
77 super(Donation, self).save(*args, **kwargs)
78
79 def donor(self): 74 def donor(self):
80 """Returns the donor name for the donation.""" 75 """Returns the donor name for the donation."""
81 if self.is_anonymous: 76 if self.is_anonymous:
82 return ANONYMOUS 77 return settings.DONATIONS_ANON_NAME
83 if self.user is not None: 78 if self.user is not None:
84 return self.user.username 79 return self.user.username
85 if self.first_name or self.last_name: 80 if self.first_name or self.last_name:
86 name = u'%s %s' % (self.first_name, self.last_name) 81 name = u'%s %s' % (self.first_name, self.last_name)
87 return name.strip() 82 return name.strip()
88 return ANONYMOUS 83 return settings.DONATIONS_ANON_NAME
89 84