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[redakcja.git] / apps / catalogue / models / book.py

diff --git a/apps/catalogue/models/book.py b/apps/catalogue/models/book.py
index ade9a42..ca38998 100755 (executable)
--- a/apps/catalogue/models/book.py
+++ b/apps/catalogue/models/book.py
@@ -7,15 +7,20 @@ from django.contrib.sites.models import Site
 from django.db import models, transaction
 from django.template.loader import render_to_string
 from django.utils.translation import ugettext_lazy as _
+from django.conf import settings
 from slughifi import slughifi
 
+
 import apiclient
-from catalogue.helpers import cached_in_field
+from catalogue.helpers import cached_in_field, GalleryMerger
 from catalogue.models import BookPublishRecord, ChunkPublishRecord
 from catalogue.signals import post_publish
 from catalogue.tasks import refresh_instance, book_content_updated
 from catalogue.xml_tools import compile_text, split_xml
-
+from cover.models import Image
+import os
+import shutil
+import re
 
 class Book(models.Model):
     """ A document edited on the wiki """
@@ -35,6 +40,7 @@ class Book(models.Model):
     _new_publishable = models.NullBooleanField(editable=False)
     _published = models.NullBooleanField(editable=False)
     _on_track = models.IntegerField(null=True, blank=True, db_index=True, editable=False)
+    dc_cover_image = models.ForeignKey(Image, blank=True, null=True, db_index=True, on_delete=models.SET_NULL)
     dc_slug = models.CharField(max_length=128, null=True, blank=True,
             editable=False, db_index=True)
 
@@ -191,8 +197,19 @@ class Book(models.Model):
             chunk.save()
             number += 1
         assert not other.chunk_set.exists()
+
+        gm = GalleryMerger(self.gallery, other.gallery)
+        self.gallery = gm.merge()
+
+        # and move the gallery starts
+        if gm.was_merged:
+                for chunk in self[len(self) - len_other:]:
+                        chunk.gallery_start += gm.dest_size - gm.num_deleted
+                        chunk.save()
+
         other.delete()
 
+
     @transaction.commit_on_success
     def prepend_history(self, other):
         """Prepend history from all the other book's chunks to own."""
@@ -314,11 +331,20 @@ class Book(models.Model):
     def refresh_dc_cache(self):
         update = {
             'dc_slug': None,
+            'dc_cover_image': None,
         }
 
         info = self.book_info()
         if info is not None:
             update['dc_slug'] = info.url.slug
+            if info.cover_source:
+                try:
+                    image = Image.objects.get(pk=int(info.cover_source.rstrip('/').rsplit('/', 1)[-1]))
+                except:
+                    pass
+                else:
+                    if info.cover_source == image.get_full_url():
+                        update['dc_cover_image'] = image
         Book.objects.filter(pk=self.pk).update(**update)
 
     def touch(self):