librarian update

[wolnelektury.git] / apps / funding / models.py

diff --git a/apps/funding/models.py b/apps/funding/models.py
index f886599..3a74238 100644 (file)
--- a/apps/funding/models.py
+++ b/apps/funding/models.py
@@ -15,6 +15,7 @@ from catalogue.models import Book
 from catalogue.utils import get_random_hash
 from polls.models import Poll
 from django.contrib.sites.models import Site
+from . import app_settings
 
 
 class Offer(models.Model):
@@ -31,7 +32,10 @@ class Offer(models.Model):
         help_text=_('Published book.'))
     cover = models.ImageField(_('Cover'), upload_to = 'funding/covers')
     poll = models.ForeignKey(Poll, help_text = _('Poll'),  null = True, blank = True, on_delete = models.SET_NULL)
-        
+
+    notified_near = models.DateTimeField(_('Near-end notifications sent'), blank=True, null=True)
+    notified_end = models.DateTimeField(_('End notifications sent'), blank=True, null=True)
+
     def cover_img_tag(self):
         return u'<img src="%s" />' % self.cover.url
     cover_img_tag.short_description = _('Cover preview')
@@ -58,7 +62,7 @@ class Offer(models.Model):
         return retval
 
     def is_current(self):
-        return self.start <= date.today() <= self.end
+        return self.start <= date.today() <= self.end and self == self.current()
 
     def is_win(self):
         return self.sum() >= self.target
@@ -73,9 +77,16 @@ class Offer(models.Model):
 
     @classmethod
     def current(cls):
-        """ Returns current fundraiser or None. """
+        """ Returns current fundraiser or None.
+
+        Current fundraiser is the one that:
+        - has already started,
+        - hasn't yet ended,
+        - if there's more than one of those, it's the one that ends last.
+
+        """
         today = date.today()
-        objects = cls.objects.filter(start__lte=today, end__gte=today)
+        objects = cls.objects.filter(start__lte=today, end__gte=today).order_by('-end')
         try:
             return objects[0]
         except IndexError:
@@ -83,9 +94,12 @@ class Offer(models.Model):
 
     @classmethod
     def past(cls):
-        """ QuerySet for all current and past fundraisers. """
-        today = date.today()
-        return cls.objects.filter(end__lt=today)
+        """ QuerySet for all past fundraisers. """
+        objects = cls.public()
+        current = cls.current()
+        if current is not None:
+            objects = objects.exclude(pk=current.pk)
+        return objects
 
     @classmethod
     def public(cls):
@@ -120,7 +134,8 @@ class Offer(models.Model):
             query_filter=models.Q(offer=self)
         )
 
-    def notify_end(self):
+    def notify_end(self, force=False):
+        if not force and self.notified_end: return
         assert not self.is_current()
         self.notify_all(
             _('The fundraiser has ended!'),
@@ -130,8 +145,11 @@ class Offer(models.Model):
                 'remaining': self.remaining(),
                 'current': self.current(),
             })
+        self.notified_end = datetime.now()
+        self.save()
 
-    def notify_near(self):
+    def notify_near(self, force=False):
+        if not force and self.notified_near: return
         assert self.is_current()
         sum_ = self.sum()
         need = self.target - sum_
@@ -144,6 +162,8 @@ class Offer(models.Model):
                 'sum': sum_,
                 'need': need,
             })
+        self.notified_near = datetime.now()
+        self.save()
 
     def notify_published(self):
         assert self.book is not None
@@ -242,8 +262,9 @@ class Funding(models.Model):
             'funding': self,
             'site': Site.objects.get_current(),
         }
-        context.update(extra_context)
-        with override(self.language_code or 'pl'):
+        if extra_context:
+            context.update(extra_context)
+        with override(self.language_code or app_settings.DEFAULT_LANGUAGE):
             send_mail(subject,
                 render_to_string(template_name, context),
                 getattr(settings, 'CONTACT_EMAIL', 'wolnelektury@nowoczesnapolska.org.pl'),