1 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
2 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
4 from datetime import datetime, timedelta
7 from django.apps import apps
8 from django.conf import settings
9 from django.contrib.sites.models import Site
10 from django.core.mail import send_mail, EmailMessage
11 from django.urls import reverse
12 from django.db import models
13 from django import template
14 from django.utils.timezone import now
15 from django.utils.translation import ugettext_lazy as _, ungettext, ugettext, get_language
16 from catalogue.utils import get_random_hash
17 from messaging.states import Level
18 from reporting.utils import render_to_pdf
19 from .payment_methods import recurring_payment_method, single_payment_method
20 from .payu import models as payu_models
24 class Club(models.Model):
25 min_amount = models.IntegerField(_('minimum amount'))
26 min_for_year = models.IntegerField(_('minimum amount for year'))
27 single_amounts = models.CharField(_('proposed amounts for single payment'), max_length=255)
28 default_single_amount = models.IntegerField(_('default single amount'))
29 monthly_amounts = models.CharField(_('proposed amounts for monthly payments'), max_length=255)
30 default_monthly_amount = models.IntegerField(_('default monthly amount'))
33 verbose_name = _('club')
34 verbose_name_plural = _('clubs')
39 def proposed_single_amounts(self):
40 return [int(x) for x in self.single_amounts.split(',')]
42 def proposed_monthly_amounts(self):
43 return [int(x) for x in self.monthly_amounts.split(',')]
46 class Schedule(models.Model):
47 """ Represents someone taking up a plan. """
48 key = models.CharField(_('key'), max_length=255, unique=True)
49 email = models.EmailField(_('email'))
50 membership = models.ForeignKey('Membership', verbose_name=_('membership'), null=True, blank=True, on_delete=models.PROTECT)
51 amount = models.DecimalField(_('amount'), max_digits=10, decimal_places=2)
52 monthly = models.BooleanField(_('monthly'), default=True)
53 yearly = models.BooleanField(_('yearly'), default=False)
55 source = models.CharField(_('source'), max_length=255, blank=True)
57 is_cancelled = models.BooleanField(_('cancelled'), default=False)
58 payed_at = models.DateTimeField(_('payed at'), null=True, blank=True)
59 started_at = models.DateTimeField(_('started at'), auto_now_add=True)
60 expires_at = models.DateTimeField(_('expires_at'), null=True, blank=True)
61 email_sent = models.BooleanField(default=False)
64 verbose_name = _('schedule')
65 verbose_name_plural = _('schedules')
70 def save(self, *args, **kwargs):
72 self.key = get_random_hash(self.email)
73 super(Schedule, self).save(*args, **kwargs)
76 def initiate_payment(self, request):
77 return self.get_payment_method().initiate(request, self)
79 def pay(self, request):
80 return self.get_payment_method().pay(request, self)
82 def get_absolute_url(self):
83 return reverse('club_schedule', args=[self.key])
85 def get_thanks_url(self):
86 return reverse('club_thanks', args=[self.key])
88 def get_payment_method(self):
89 return recurring_payment_method if self.monthly or self.yearly else single_payment_method
92 return self.expires_at is not None and self.expires_at <= now()
95 return self.payed_at is not None and (self.expires_at is None or self.expires_at > now())
97 def is_recurring(self):
98 return self.monthly or self.yearly
100 def get_next_installment(self, date):
102 return utils.add_year(date)
104 return utils.add_month(date)
105 club = Club.objects.first()
106 if club is not None and self.amount >= club.min_for_year:
107 return utils.add_year(date)
108 return utils.add_month(date)
110 def send_email(self):
111 ctx = {'schedule': self}
113 template.loader.render_to_string('club/email/thanks_subject.txt', ctx).strip(),
114 template.loader.render_to_string('club/email/thanks.txt', ctx),
115 settings.CONTACT_EMAIL, [self.email], fail_silently=False)
116 self.email_sent = True
119 def update_contact(self):
120 Contact = apps.get_model('messaging', 'Contact')
121 if not self.payed_at:
123 since = self.started_at
125 since = self.payed_at
126 if self.is_recurring():
127 level = Level.RECURRING
130 Contact.update(self.email, level, since, self.expires_at)
133 class Membership(models.Model):
134 """ Represents a user being recognized as a member of the club. """
135 user = models.OneToOneField(settings.AUTH_USER_MODEL, verbose_name=_('user'), on_delete=models.CASCADE)
136 created_at = models.DateTimeField(_('created at'), auto_now_add=True)
137 name = models.CharField(_('name'), max_length=255, blank=True)
138 manual = models.BooleanField(_('manual'), default=False)
139 notes = models.CharField(_('notes'), max_length=2048, blank=True)
140 updated_at = models.DateField(_('updated at'), auto_now=True, blank=True)
143 verbose_name = _('membership')
144 verbose_name_plural = _('memberships')
147 return str(self.user)
149 def save(self, *args, **kwargs):
150 super().save(*args, **kwargs)
151 self.update_contact()
153 def update_contact(self):
154 email = self.user.email
158 Contact = apps.get_model('messaging', 'Contact')
160 Contact.update(email, Level.MANUAL_MEMBER, self.updated_at)
165 def is_active_for(cls, user):
166 if user.is_anonymous:
169 membership = user.membership
170 except cls.DoesNotExist:
172 if membership.manual:
174 return Schedule.objects.filter(
175 expires_at__gt=now(),
176 membership__user=user,
180 class ReminderEmail(models.Model):
181 days_before = models.SmallIntegerField(_('days before'))
182 subject = models.CharField(_('subject'), max_length=1024)
183 body = models.TextField(_('body'))
186 verbose_name = _('reminder email')
187 verbose_name_plural = _('reminder emails')
188 ordering = ['days_before']
191 if self.days_before >= 0:
192 return ungettext('a day before expiration', '%d days before expiration', n=self.days_before)
194 return ungettext('a day after expiration', '%d days after expiration', n=-self.days_before)
197 class Ambassador(models.Model):
198 name = models.CharField(_('name'), max_length=255)
199 photo = models.ImageField(_('photo'), blank=True)
200 text = models.CharField(_('text'), max_length=1024)
203 verbose_name = _('ambassador')
204 verbose_name_plural = _('ambassadors')
217 class PayUOrder(payu_models.Order):
218 schedule = models.ForeignKey(Schedule, on_delete=models.CASCADE)
220 def get_amount(self):
221 return self.schedule.amount
225 "email": self.schedule.email,
226 "language": get_language(),
229 def get_continue_url(self):
230 return "https://{}{}".format(
231 Site.objects.get_current().domain,
232 self.schedule.get_thanks_url())
234 def get_description(self):
235 return ugettext('Towarzystwo Przyjaciół Wolnych Lektur')
237 def is_recurring(self):
238 return self.schedule.get_payment_method().is_recurring
240 def get_card_token(self):
241 return self.schedule.payucardtoken_set.order_by('-created_at').first()
243 def get_notify_url(self):
244 return "https://{}{}".format(
245 Site.objects.get_current().domain,
246 reverse('club_payu_notify', args=[self.pk]))
248 def status_updated(self):
249 if self.status == 'COMPLETED':
250 since = self.schedule.expires_at
252 if since is None or since < n:
254 new_exp = self.schedule.get_next_installment(since)
255 if self.schedule.payed_at is None:
256 self.schedule.payed_at = n
257 if self.schedule.expires_at is None or self.schedule.expires_at < new_exp:
258 self.schedule.expires_at = new_exp
261 if not self.schedule.email_sent:
262 self.schedule.send_email()
265 def send_receipt(cls, email, year):
266 Contact = apps.get_model('messaging', 'Contact')
267 Funding = apps.get_model('funding', 'Funding')
271 contact = Contact.objects.get(email=email)
272 except Contact.DoesNotExist:
273 funding = Funding.objects.filter(
276 notifications=True).order_by('payed_at').first()
278 print('no notifications')
280 optout = funding.wl_optout_url()
282 if contact.level == Level.OPT_OUT:
285 optout = contact.wl_optout_url()
287 qs = cls.objects.filter(status='COMPLETED', schedule__email=email, completed_at__year=year).order_by('completed_at')
290 'timestamp': order.completed_at,
291 'amount': order.get_amount(),
294 fundings = Funding.objects.filter(
297 ).order_by('payed_at')
298 for funding in fundings:
300 'timestamp': funding.payed_at,
301 'amount': funding.amount,
304 if not payments: return
306 payments.sort(key=lambda x: x['timestamp'])
311 "next_year": year + 1,
312 "total": sum(x['amount'] for x in payments),
313 "payments": payments,
316 temp = tempfile.NamedTemporaryFile(prefix='receipt-', suffix='.pdf', delete=False)
318 render_to_pdf(temp.name, 'club/receipt.texml', ctx, {
319 "fnp.eps": os.path.join(settings.STATIC_ROOT, "img/fnp.eps"),
322 message = EmailMessage(
323 f'Odlicz od podatku swoje darowizny przekazane dla Wolnych Lektur',
324 template.loader.render_to_string('club/receipt_email.txt', ctx),
325 settings.CONTACT_EMAIL, [email]
327 with open(temp.name, 'rb') as f:
328 message.attach('wolnelektury-darowizny.pdf', f.read(), 'application/pdf')
333 class PayUCardToken(payu_models.CardToken):
334 schedule = models.ForeignKey(Schedule, on_delete=models.CASCADE)
337 class PayUNotification(payu_models.Notification):
338 order = models.ForeignKey(PayUOrder, models.CASCADE, related_name='notification_set')