add book-page-center banner

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

diff --git a/src/annoy/models.py b/src/annoy/models.py
index e60e3c0..097872b 100644 (file)
--- a/src/annoy/models.py
+++ b/src/annoy/models.py
@@ -8,12 +8,21 @@ from django.utils.timezone import now
 from .places import PLACES, PLACE_CHOICES, STYLES
 
 
+class Campaign(models.Model):
+    name = models.CharField(max_length=255, help_text='Dla zespołu')
+    image = models.FileField('obraz', upload_to='annoy/banners/', blank=True)
+
+    def __str__(self):
+        return self.name
+
+
 class Banner(models.Model):
     place = models.SlugField('miejsce', choices=PLACE_CHOICES)
+    campaign = models.ForeignKey(Campaign, models.PROTECT, null=True, blank=True)
+
     style = models.CharField(
         'styl', max_length=255, blank=True,
         choices=STYLES,
-        help_text='Dotyczy blackoutu.'
     )
     smallfont = models.BooleanField('mały font', default=False)
     text_color = models.CharField(max_length=10, blank=True)
@@ -33,6 +42,10 @@ class Banner(models.Model):
         help_text='Bannery z wyższym priorytetem mają pierwszeństwo.')
     since = models.DateTimeField('od', null=True, blank=True)
     until = models.DateTimeField('do', null=True, blank=True)
+    books = models.ManyToManyField('catalogue.Book', blank=True)
+
+    target = models.IntegerField('cel', null=True, blank=True)
+    progress = models.IntegerField('postęp', null=True, blank=True)
     show_members = models.BooleanField('widoczny dla członków klubu', default=False)
     staff_preview = models.BooleanField('podgląd tylko dla zespołu', default=False)
     only_authenticated = models.BooleanField('tylko dla zalogowanych', default=False)
@@ -48,11 +61,17 @@ class Banner(models.Model):
     def get_text(self):
         return Template(self.text).render(Context())
 
+    def get_image(self):
+        if self.campaign and self.campaign.image:
+            return self.campaign.image
+        else:
+            return self.image
+    
     @classmethod
-    def choice(cls, place, request):
+    def choice(cls, place, request, exemptions=True, book=None):
         Membership = apps.get_model('club', 'Membership')
 
-        if hasattr(request, 'annoy_banner_exempt'):
+        if exemptions and hasattr(request, 'annoy_banner_exempt'):
             return cls.objects.none()
 
         if settings.DEBUG:
@@ -67,6 +86,12 @@ class Banner(models.Model):
             until__lt=n
         ).order_by('-priority', '?')
 
+        if book is None:
+            banners = banners.filter(books=None)
+        else:
+            banners = banners.filter(models.Q(books=None) | models.Q(books=book))
+            
+        
         if not request.user.is_authenticated:
             banners = banners.filter(only_authenticated=False)
 
@@ -78,6 +103,33 @@ class Banner(models.Model):
 
         return banners
 
+    @property
+    def progress_percent(self):
+        if not self.target:
+            return 0
+        return (self.progress or 0) / self.target * 100
+
+    @property
+    def progress_percent_pretty(self):
+        return int(self.progress_percent)
+
+    def update_progress(self):
+        # Total of new payments during the action.
+        # This definition will need to change for longer timespans.
+        if not self.since or not self.until or not self.target:
+            return
+        Schedule = apps.get_model('club', 'Schedule')
+        self.progress = Schedule.objects.filter(
+            payed_at__gte=self.since,
+            payed_at__lte=self.until,
+        ).aggregate(c=models.Sum('amount'))['c']
+        self.save(update_fields=['progress'])
+
+    @classmethod
+    def update_all_progress(cls):
+        for obj in cls.objects.exclude(target=None):
+            obj.update_progress()
+
 
 class DynamicTextInsert(models.Model):
     paragraphs = models.IntegerField('akapity')
@@ -146,12 +198,3 @@ class MediaInsertText(models.Model):
 
     class Meta:
         ordering = ('ordering',)
-
-
-from django.db.models.signals import post_save, post_delete
-from django.dispatch import receiver
-
-@receiver(post_delete, sender=MediaInsertText)
-@receiver(post_save, sender=MediaInsertText)
-def update_etag(sender, instance, **kwargs):
-    instance.media_insert_set.update_etag()