Language in API.

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

diff --git a/src/club/models.py b/src/club/models.py
index f5cbf6e..1d993bc 100644 (file)
--- a/src/club/models.py
+++ b/src/club/models.py
@@ -1,71 +1,62 @@
+# 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
 from datetime import datetime, timedelta

+import os
+import tempfile
+from django.apps import apps

 from django.conf import settings
 from django.contrib.sites.models import Site
 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.translation import ugettext_lazy as _, ungettext, ugettext, get_language
 from catalogue.utils import get_random_hash
 from django.utils.timezone import now
 from django.utils.translation import ugettext_lazy as _, ungettext, ugettext, get_language
 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 .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'))
-    active = models.BooleanField(_('active'), default=True)
+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')
-
+        verbose_name = _('club')
+        verbose_name_plural = _('clubs')
+    

     def __str__(self):
     def __str__(self):

-        return "%s %s" % (self.min_amount, self.get_interval_display())
+        return 'Klub'

     
     

-    class Meta:
-        ordering = ('interval',)
+    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 proposed_monthly_amounts(self):
+        return [int(x) for x in self.monthly_amounts.split(',')]

 
 

-    def get_next_installment(self, date):
-        if self.interval == self.PERPETUAL:
-            return datetime.max - timedelta(1)
-        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
-            

 
 class Schedule(models.Model):
     """ Represents someone taking up a plan. """
     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)
 
 class Schedule(models.Model):
     """ Represents someone taking up a plan. """
     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])
+    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)

+    email_sent = models.BooleanField(default=False)

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


@@ -77,7 +68,8 @@ class Schedule(models.Model):
     def save(self, *args, **kwargs):
         if not self.key:
             self.key = get_random_hash(self.email)
     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 initiate_payment(self, request):
         return self.get_payment_method().initiate(request, self)


@@ -88,20 +80,59 @@ class Schedule(models.Model):
     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_thanks_url(self):
+        return reverse('club_thanks', args=[self.key])
+

     def get_payment_method(self):
     def get_payment_method(self):

-        return method_by_slug[self.method]
+        return recurring_payment_method if self.monthly or self.yearly else single_payment_method

 
     def is_expired(self):
         return self.expires_at is not None and self.expires_at <= now()
 
     def is_active(self):
 
     def is_expired(self):
         return self.expires_at is not None and self.expires_at <= now()
 
     def is_active(self):

-        return self.expires_at is not None and self.expires_at > now()
+        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
+
+    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)
+
+    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 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:
     honorary = models.BooleanField(default=False)
 
     class Meta:


@@ -109,7 +140,7 @@ class Membership(models.Model):
         verbose_name_plural = _('memberships')
 
     def __str__(self):
         verbose_name_plural = _('memberships')
 
     def __str__(self):

-        return u'tow. ' + str(self.user)
+        return str(self.user)

 
     @classmethod
     def is_active_for(cls, user):
 
     @classmethod
     def is_active_for(cls, user):


@@ -144,6 +175,20 @@ class ReminderEmail(models.Model):
             return ungettext('a day after expiration', '%d days after expiration', n=-self.days_before)
 
 
             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 #
 ########
 #      #
 # PayU #


@@ -165,7 +210,7 @@ class PayUOrder(payu_models.Order):
     def get_continue_url(self):
         return "https://{}{}".format(
             Site.objects.get_current().domain,
     def get_continue_url(self):
         return "https://{}{}".format(
             Site.objects.get_current().domain,

-            self.schedule.get_absolute_url())
+            self.schedule.get_thanks_url())

 
     def get_description(self):
         return ugettext('Towarzystwo Wolnych Lektur')
 
     def get_description(self):
         return ugettext('Towarzystwo Wolnych Lektur')


@@ -183,11 +228,47 @@ class PayUOrder(payu_models.Order):
 
     def status_updated(self):
         if self.status == 'COMPLETED':
 
     def status_updated(self):
         if self.status == 'COMPLETED':

-            new_exp = self.schedule.plan.get_next_installment(now())
+            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 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 PayUCardToken(payu_models.CardToken):
     schedule = models.ForeignKey(Schedule, on_delete=models.CASCADE)


@@ -195,3 +276,5 @@ class PayUCardToken(payu_models.CardToken):
 
 class PayUNotification(payu_models.Notification):
     order = models.ForeignKey(PayUOrder, models.CASCADE, related_name='notification_set')
 
 class PayUNotification(payu_models.Notification):
     order = models.ForeignKey(PayUOrder, models.CASCADE, related_name='notification_set')

+
+