Fix for waiter.

[wolnelektury.git] / src / club / models.py

diff --git a/src/club/models.py b/src/club/models.py
index a8b4089..1a69144 100644 (file)
--- a/src/club/models.py
+++ b/src/club/models.py
@@ -1,59 +1,46 @@
-# -*- coding: utf-8
-from __future__ import unicode_literals
-
-from datetime import timedelta
+# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+#
+from datetime import datetime, timedelta
+import os
+import tempfile
+from django.apps import apps

 from django.conf import settings
 from django.conf import settings

+from django.contrib.sites.models import Site
+from django.core.mail import send_mail, EmailMessage

 from django.urls import reverse
 from django.db import models
 from django.urls import reverse
 from django.db import models

+from django import template

 from django.utils.timezone import now
 from django.utils.timezone import now

-from django.utils.translation import ugettext_lazy as _, ungettext
+from django.utils.translation import ugettext_lazy as _, ungettext, ugettext, get_language

 from catalogue.utils import get_random_hash
 from catalogue.utils import get_random_hash

-from .payment_methods import methods, method_by_slug
-
+from messaging.states import Level
+from reporting.utils import render_to_pdf
+from .payment_methods import recurring_payment_method, single_payment_method
+from .payu import models as payu_models
+from . import utils

 
 

-class Plan(models.Model):
-    """ Plans are set up by administrators. """
-    MONTH = 30
-    YEAR = 365
-    PERPETUAL = 999
-    intervals = [
-        (MONTH, _('a month')),
-        (YEAR, _('a year')),
-        (PERPETUAL, _('in perpetuity')),
-    ]

 
 

-    interval = models.SmallIntegerField(_('inteval'), choices=intervals)
-    min_amount = models.DecimalField(_('min_amount'), max_digits=10, decimal_places=2)
-    allow_recurring = models.BooleanField(_('allow recurring'))
-    allow_one_time = models.BooleanField(_('allow one time'))
+class Club(models.Model):
+    min_amount = models.IntegerField(_('minimum amount'))
+    min_for_year = models.IntegerField(_('minimum amount for year'))
+    single_amounts = models.CharField(_('proposed amounts for single payment'), max_length=255)
+    default_single_amount = models.IntegerField(_('default single amount'))
+    monthly_amounts = models.CharField(_('proposed amounts for monthly payments'), max_length=255)
+    default_monthly_amount = models.IntegerField(_('default monthly amount'))

 
     class Meta:
 
     class Meta:

-        verbose_name = _('plan')
-        verbose_name_plural = _('plans')
-
-    def __unicode__(self):
-        return "%s %s" % (self.min_amount, self.get_interval_display())
+        verbose_name = _('club')
+        verbose_name_plural = _('clubs')

     
     

-    class Meta:
-        ordering = ('interval',)
+    def __str__(self):
+        return 'Klub'
+    
+    def proposed_single_amounts(self):
+        return [int(x) for x in self.single_amounts.split(',')]

 
 

-    def payment_methods(self):
-        for method in methods:
-            if self.allow_recurring and method.is_recurring or self.allow_one_time and not method.is_recurring:
-                yield method
-
-    def get_next_installment(self, date):
-        if self.interval == self.PERPETUAL:
-            return None
-        elif self.interval == self.YEAR:
-            return date.replace(year=date.year + 1)
-        elif self.interval == self.MONTH:
-            day = date.day
-            date = (date.replace(day=1) + timedelta(31)).replace(day=1) + timedelta(day - 1)
-            if date.day != day:
-                date = date.replace(day=1)
-            return date
-            
+    def proposed_monthly_amounts(self):
+        return [int(x) for x in self.monthly_amounts.split(',')]

 
 
 class Schedule(models.Model):
 
 
 class Schedule(models.Model):


@@ -61,69 +48,114 @@ class Schedule(models.Model):
     key = models.CharField(_('key'), max_length=255, unique=True)
     email = models.EmailField(_('email'))
     membership = models.ForeignKey('Membership', verbose_name=_('membership'), null=True, blank=True, on_delete=models.PROTECT)
     key = models.CharField(_('key'), max_length=255, unique=True)
     email = models.EmailField(_('email'))
     membership = models.ForeignKey('Membership', verbose_name=_('membership'), null=True, blank=True, on_delete=models.PROTECT)

-    plan = models.ForeignKey(Plan, verbose_name=_('plan'), on_delete=models.PROTECT)

     amount = models.DecimalField(_('amount'), max_digits=10, decimal_places=2)
     amount = models.DecimalField(_('amount'), max_digits=10, decimal_places=2)

-    method = models.CharField(_('method'), max_length=255, choices=[(method.slug, method.name) for method in methods])
-    is_active = models.BooleanField(_('active'), default=False)
+    monthly = models.BooleanField(_('monthly'), default=True)
+    yearly = models.BooleanField(_('yearly'), default=False)
+    

     is_cancelled = models.BooleanField(_('cancelled'), default=False)
     is_cancelled = models.BooleanField(_('cancelled'), default=False)

+    payed_at = models.DateTimeField(_('payed at'), null=True, blank=True)

     started_at = models.DateTimeField(_('started at'), auto_now_add=True)
     expires_at = models.DateTimeField(_('expires_at'), null=True, blank=True)
     started_at = models.DateTimeField(_('started at'), auto_now_add=True)
     expires_at = models.DateTimeField(_('expires_at'), null=True, blank=True)

-    # extra info?
+    email_sent = models.BooleanField(default=False)

 
     class Meta:
         verbose_name = _('schedule')
         verbose_name_plural = _('schedules')
 
 
     class Meta:
         verbose_name = _('schedule')
         verbose_name_plural = _('schedules')
 

-    def __unicode__(self):
+    def __str__(self):

         return self.key
 
     def save(self, *args, **kwargs):
         if not self.key:
             self.key = get_random_hash(self.email)
         return self.key
 
     def save(self, *args, **kwargs):
         if not self.key:
             self.key = get_random_hash(self.email)

-        return super(Schedule, self).save(*args, **kwargs)
+        super(Schedule, self).save(*args, **kwargs)
+        self.update_contact()
+
+    def initiate_payment(self, request):
+        return self.get_payment_method().initiate(request, self)
+
+    def pay(self, request):
+        return self.get_payment_method().pay(request, self)

 
     def get_absolute_url(self):
         return reverse('club_schedule', args=[self.key])
 
 
     def get_absolute_url(self):
         return reverse('club_schedule', args=[self.key])
 

-    def get_payment_method(self):
-        return method_by_slug[self.method]
+    def get_thanks_url(self):
+        return reverse('club_thanks', args=[self.key])

 
 

+    def get_payment_method(self):
+        return recurring_payment_method if self.monthly or self.yearly else single_payment_method

 
     def is_expired(self):
 
     def is_expired(self):

-        return self.expires_at is not None and self.expires_at < now()
+        return self.expires_at is not None and self.expires_at <= now()

 
 

-    def create_payment(self):
-        n = now()
-        self.expires_at = self.plan.get_next_installment(n)
-        self.is_active = True
-        self.save()
-        self.payment_set.create(payed_at=n)
+    def is_active(self):
+        return self.payed_at is not None and (self.expires_at is None or self.expires_at > now())

 
 

+    def is_recurring(self):
+        return self.monthly or self.yearly

 
 

-class Payment(models.Model):
-    schedule = models.ForeignKey(Schedule, verbose_name=_('schedule'), on_delete=models.PROTECT)
-    created_at = models.DateTimeField(_('created at'), auto_now_add=True)
-    payed_at = models.DateTimeField(_('payed at'), null=True, blank=True)
+    def get_next_installment(self, date):
+        if self.yearly:
+            return utils.add_year(date)
+        if self.monthly:
+            return utils.add_month(date)
+        club = Club.objects.first()
+        if club is not None and self.amount >= club.min_for_year:
+            return utils.add_year(date)
+        return utils.add_month(date)

 
 

-    class Meta:
-        verbose_name = _('payment')
-        verbose_name_plural = _('payments')
+    def send_email(self):
+        ctx = {'schedule': self}
+        send_mail(
+            template.loader.render_to_string('club/email/thanks_subject.txt', ctx).strip(),
+            template.loader.render_to_string('club/email/thanks.txt', ctx),
+            settings.CONTACT_EMAIL, [self.email], fail_silently=False)
+        self.email_sent = True
+        self.save()

 
 

-    def __unicode__(self):
-        return "%s %s" % (self.schedule, self.payed_at)
+    def update_contact(self):
+        Contact = apps.get_model('messaging', 'Contact')
+        if not self.payed_at:
+            level = Level.TRIED
+            since = self.started_at
+        else:
+            since = self.payed_at
+            if self.is_recurring():
+                level = Level.RECURRING
+            else:
+                level = Level.SINGLE
+        Contact.update(self.email, level, since, self.expires_at)

 
 
 class Membership(models.Model):
     """ Represents a user being recognized as a member of the club. """
     user = models.OneToOneField(settings.AUTH_USER_MODEL, verbose_name=_('user'), on_delete=models.CASCADE)
     created_at = models.DateTimeField(_('created at'), auto_now_add=True)
 
 
 class Membership(models.Model):
     """ Represents a user being recognized as a member of the club. """
     user = models.OneToOneField(settings.AUTH_USER_MODEL, verbose_name=_('user'), on_delete=models.CASCADE)
     created_at = models.DateTimeField(_('created at'), auto_now_add=True)

+    name = models.CharField(max_length=255, blank=True)
+    honorary = models.BooleanField(default=False)

 
     class Meta:
         verbose_name = _('membership')
         verbose_name_plural = _('memberships')
 
 
     class Meta:
         verbose_name = _('membership')
         verbose_name_plural = _('memberships')
 

-    def __unicode__(self):
-        return u'tow. ' + unicode(self.user)
+    def __str__(self):
+        return str(self.user)
+
+    @classmethod
+    def is_active_for(cls, user):
+        if user.is_anonymous:
+            return False
+        try:
+            membership = user.membership
+        except cls.DoesNotExist:
+            return False
+        if membership.honorary:
+            return True
+        return Schedule.objects.filter(
+                expires_at__gt=now(),
+                membership__user=user,
+            ).exists()

 
 
 class ReminderEmail(models.Model):
 
 
 class ReminderEmail(models.Model):


@@ -136,9 +168,113 @@ class ReminderEmail(models.Model):
         verbose_name_plural = _('reminder emails')
         ordering = ['days_before']
 
         verbose_name_plural = _('reminder emails')
         ordering = ['days_before']
 

-    def __unicode__(self):
+    def __str__(self):

         if self.days_before >= 0:
             return ungettext('a day before expiration', '%d days before expiration', n=self.days_before)
         else:
             return ungettext('a day after expiration', '%d days after expiration', n=-self.days_before)
 
         if self.days_before >= 0:
             return ungettext('a day before expiration', '%d days before expiration', n=self.days_before)
         else:
             return ungettext('a day after expiration', '%d days after expiration', n=-self.days_before)
 

+
+class Ambassador(models.Model):
+    name = models.CharField(_('name'), max_length=255)
+    photo = models.ImageField(_('photo'), blank=True)
+    text = models.CharField(_('text'), max_length=1024)
+
+    class Meta:
+        verbose_name = _('ambassador')
+        verbose_name_plural = _('ambassadors')
+        ordering = ['name']
+    
+    def __str__(self):
+        return self.name
+
+        
+########
+#      #
+# PayU #
+#      #
+########
+
+class PayUOrder(payu_models.Order):
+    schedule = models.ForeignKey(Schedule, on_delete=models.CASCADE)
+
+    def get_amount(self):
+        return self.schedule.amount
+
+    def get_buyer(self):
+        return {
+            "email": self.schedule.email,
+            "language": get_language(),
+        }
+
+    def get_continue_url(self):
+        return "https://{}{}".format(
+            Site.objects.get_current().domain,
+            self.schedule.get_thanks_url())
+
+    def get_description(self):
+        return ugettext('Towarzystwo Przyjaciół Wolnych Lektur')
+
+    def is_recurring(self):
+        return self.schedule.get_payment_method().is_recurring
+
+    def get_card_token(self):
+        return self.schedule.payucardtoken_set.order_by('-created_at').first()
+
+    def get_notify_url(self):
+        return "https://{}{}".format(
+            Site.objects.get_current().domain,
+            reverse('club_payu_notify', args=[self.pk]))
+
+    def status_updated(self):
+        if self.status == 'COMPLETED':
+            since = self.schedule.expires_at
+            n = now()
+            if since is None or since < n:
+                since = n
+            new_exp = self.schedule.get_next_installment(since)
+            if self.schedule.payed_at is None:
+                self.schedule.payed_at = n
+            if self.schedule.expires_at is None or self.schedule.expires_at < new_exp:
+                self.schedule.expires_at = new_exp
+                self.schedule.save()
+
+            if not self.schedule.email_sent:
+                self.schedule.send_email()
+
+    @classmethod
+    def send_receipt(cls, email, year):
+        qs = cls.objects.filter(status='COMPLETED', schedule__email=email, completed_at__year=year).order_by('completed_at')
+        if not qs.exists(): return
+        ctx = {
+            "email": email,
+            "year": year,
+            "next_year": year + 1,
+            "total": qs.aggregate(s=models.Sum('schedule__amount'))['s'],
+            "orders": qs,
+        }
+        temp = tempfile.NamedTemporaryFile(prefix='receipt-', suffix='.pdf', delete=False)
+        temp.close()
+        render_to_pdf(temp.name, 'club/receipt.texml', ctx, {
+            "fnp.eps": os.path.join(settings.STATIC_ROOT, "img/fnp.eps"),
+            })
+
+        message = EmailMessage(
+                f'Odlicz od podatku swoje darowizny przekazane dla Wolnych Lektur',
+                template.loader.render_to_string('club/receipt_email.txt', ctx),
+                settings.CONTACT_EMAIL, [email]
+            )
+        with open(temp.name, 'rb') as f:
+            message.attach('wolnelektury-darowizny.pdf', f.read(), 'application/pdf')
+        message.send()
+        os.unlink(f.name)
+
+
+class PayUCardToken(payu_models.CardToken):
+    schedule = models.ForeignKey(Schedule, on_delete=models.CASCADE)
+
+
+class PayUNotification(payu_models.Notification):
+    order = models.ForeignKey(PayUOrder, models.CASCADE, related_name='notification_set')
+
+