1 files changed, 20 insertions, 2 deletions
diff --git a/app/books/models.py b/app/books/models.py
index ef6a9b6..2aecaef 100644
--- a/app/books/models.py
+++ b/app/books/models.py
@@ -1,11 +1,16 @@
+import os
 import datetime
+from PIL import Image
 from django.db import models
+from django.db.models.signals import post_save
+from django.dispatch import receiver
 from django.urls import reverse
 from django.apps import apps
 from django.utils.html import format_html
 from django.conf import settings
 from django.template.defaultfilters import slugify
 
+from photos.utils import resize_image
 from utils.widgets import markdown_to_html
 
 
@@ -51,6 +56,10 @@ class Book(models.Model):
     def get_image_url(self):
         return '%sbook-covers/%s' % (settings.IMAGES_URL, self.image.name.split('/')[-1])
 
+    def get_small_image_url(self):
+        filename, file_extension = os.path.splitext(self.image.path)
+        return "%s/book-covers/%s_small%s" % (settings.IMAGES_URL, filename.split('/')[-1], file_extension)
+
     def get_rating(self):
         return int(self.rating)
 
@@ -60,14 +69,14 @@ class Book(models.Model):
 
     @property
     def get_previous_admin_url(self):
-        n = self.get_previous_by_pub_date()
+        n = self.get_previous_by_read_date()
         return reverse('admin:%s_%s_change' % (self._meta.app_label,  self._meta.model_name),  args=[n.id])
 
     @property
     def get_next_admin_url(self):
         model = apps.get_model(app_label=self._meta.app_label, model_name=self._meta.model_name)
         try:
-            return reverse('admin:%s_%s_change' % (self._meta.app_label,  self._meta.model_name),  args=[self.get_next_by_pub_date().pk])
+            return reverse('admin:%s_%s_change' % (self._meta.app_label,  self._meta.model_name),  args=[self.get_next_by_read_date().pk])
         except model.DoesNotExist:
             return ''
 
@@ -82,6 +91,15 @@ class Book(models.Model):
         super(Book, self).save()
 
 
+@receiver(post_save, sender=Book)
+def post_save_events(sender, update_fields, created, instance, **kwargs):
+    base_path = "%s/%s/" % (settings.MEDIA_ROOT, "/".join(str(i) for i in instance.image.name.split('/')[:-1]))
+    filename, file_extension = os.path.splitext(instance.image.path)
+    img = Image.open(instance.image.path)
+    resize_image(img, None, 160, 78, base_path, "%s_tn%s" % (filename.split('/')[-1], file_extension))
+    resize_image(img, None, 650, 78, base_path, "%s_small%s" % (filename.split('/')[-1], file_extension))
+
+
 class BookHighlight(models.Model):
     book = models.ForeignKey(Book, on_delete=models.CASCADE)
     page = models.PositiveSmallIntegerField(null=True)