raven
[redakcja.git] / apps / catalogue / models / book.py
index 39f2d0f..42a4d1f 100755 (executable)
@@ -8,12 +8,12 @@ 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
+from slugify import slugify
 
 
 import apiclient
 from catalogue.helpers import cached_in_field, GalleryMerger
-from catalogue.models import BookPublishRecord, ChunkPublishRecord
+from catalogue.models import BookPublishRecord, ChunkPublishRecord, Project
 from catalogue.signals import post_publish
 from catalogue.tasks import refresh_instance, book_content_updated
 from catalogue.xml_tools import compile_text, split_xml
@@ -29,6 +29,7 @@ class Book(models.Model):
     slug = models.SlugField(_('slug'), max_length=128, unique=True, db_index=True)
     public = models.BooleanField(_('public'), default=True, db_index=True)
     gallery = models.CharField(_('scan gallery name'), max_length=255, blank=True)
+    project = models.ForeignKey(Project, null=True, blank=True)
 
     #wl_slug = models.CharField(_('title'), max_length=255, null=True, db_index=True, editable=False)
     parent = models.ForeignKey('self', null=True, blank=True, verbose_name=_('parent'), related_name="children", editable=False)
@@ -40,7 +41,8 @@ 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_cover_image = models.ForeignKey(Image, blank=True, null=True,
+        db_index=True, on_delete=models.SET_NULL, editable=False)
     dc_slug = models.CharField(max_length=128, null=True, blank=True,
             editable=False, db_index=True)
 
@@ -85,6 +87,12 @@ class Book(models.Model):
             self.get_absolute_url()
         )
 
+    def gallery_path(self):
+        return os.path.join(settings.MEDIA_ROOT, settings.IMAGE_DIR, self.gallery)
+
+    def gallery_url(self):
+        return '%s%s%s/' % (settings.MEDIA_URL, settings.IMAGE_DIR, self.gallery)
+
     # Creating & manipulating
     # =======================
 
@@ -92,7 +100,7 @@ class Book(models.Model):
         return self.public or request.user.is_authenticated()
 
     @classmethod
-    @transaction.commit_on_success
+    @transaction.atomic
     def create(cls, creator, text, *args, **kwargs):
         b = cls.objects.create(*args, **kwargs)
         b.chunk_set.all().update(creator=creator)
@@ -104,7 +112,7 @@ class Book(models.Model):
         return self.chunk_set.reverse()[0].split(*args, **kwargs)
 
     @classmethod
-    @transaction.commit_on_success
+    @transaction.atomic
     def import_xml_text(cls, text=u'', previous_book=None,
                 commit_args=None, **kwargs):
         """Imports a book from XML, splitting it into chunks as necessary."""
@@ -125,7 +133,7 @@ class Book(models.Model):
             if not title:
                 title = u'część %d' % (i + 1)
 
-            slug = slughifi(title)
+            slug = slugify(title)
 
             if i < book_len:
                 chunk = instance[i]
@@ -151,7 +159,7 @@ class Book(models.Model):
             i += 1
         return new_slug
 
-    @transaction.commit_on_success
+    @transaction.atomic
     def append(self, other, slugs=None, titles=None):
         """Add all chunks of another book to self."""
         assert self != other
@@ -165,7 +173,7 @@ class Book(models.Model):
         if titles is not None:
             assert len(titles) == len_other
             if slugs is None:
-                slugs = [slughifi(t) for t in titles]
+                slugs = [slugify(t) for t in titles]
 
         for i, chunk in enumerate(other):
             # move chunk to new book
@@ -204,20 +212,21 @@ class Book(models.Model):
         # 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
+                        old_start = chunk.gallery_start or 1
+                        chunk.gallery_start = old_start + gm.dest_size - gm.num_deleted
                         chunk.save()
 
         other.delete()
 
 
-    @transaction.commit_on_success
+    @transaction.atomic
     def prepend_history(self, other):
         """Prepend history from all the other book's chunks to own."""
         assert self != other
 
         for i in range(len(self), len(other)):
             title = u"pusta część %d" % i
-            chunk = self.add(slughifi(title), title)
+            chunk = self.add(slugify(title), title)
             chunk.commit('')
 
         for i in range(len(other)):
@@ -254,13 +263,11 @@ class Book(models.Model):
             changes = self.get_current_changes(publishable=True)
         except self.NoTextError:
             raise AssertionError(_('Not all chunks have publishable revisions.'))
-        book_xml = self.materialize(changes=changes)
 
-        from librarian.dcparser import BookInfo
         from librarian import NoDublinCore, ParseError, ValidationError
 
         try:
-            bi = BookInfo.from_string(book_xml.encode('utf-8'), strict=True)
+            bi = self.wldocument(changes=changes, strict=True).book_info
         except ParseError, e:
             raise AssertionError(_('Invalid XML') + ': ' + unicode(e))
         except NoDublinCore:
@@ -271,6 +278,14 @@ class Book(models.Model):
         valid_about = self.correct_about()
         assert bi.about == valid_about, _("rdf:about is not") + " " + valid_about
 
+    def publishable_error(self):
+        try:
+            return self.assert_publishable()
+        except AssertionError, e:
+            return e
+        else:
+            return None
+
     def hidden(self):
         return self.slug.startswith('.')
 
@@ -343,7 +358,7 @@ class Book(models.Model):
                 except:
                     pass
                 else:
-                    if info.cover_source == image.get_absolute_url():
+                    if info.cover_source == image.get_full_url():
                         update['dc_cover_image'] = image
         Book.objects.filter(pk=self.pk).update(**update)
 
@@ -396,25 +411,38 @@ class Book(models.Model):
             changes = self.get_current_changes(publishable)
         return compile_text(change.materialize() for change in changes)
 
-    def wldocument(self, publishable=True, changes=None, parse_dublincore=True):
+    def wldocument(self, publishable=True, changes=None, 
+            parse_dublincore=True, strict=False):
         from catalogue.ebook_utils import RedakcjaDocProvider
         from librarian.parser import WLDocument
 
         return WLDocument.from_string(
                 self.materialize(publishable=publishable, changes=changes),
                 provider=RedakcjaDocProvider(publishable=publishable),
-                parse_dublincore=parse_dublincore)
+                parse_dublincore=parse_dublincore,
+                strict=strict)
 
-    def publish(self, user):
+    def publish(self, user, fake=False, host=None):
         """
             Publishes a book on behalf of a (local) user.
         """
         self.assert_publishable()
         changes = self.get_current_changes(publishable=True)
-        book_xml = self.materialize(changes=changes)
-        apiclient.api_call(user, "books/", {"book_xml": book_xml})
+        if not fake:
+            book_xml = self.materialize(changes=changes)
+            data = {"book_xml": book_xml}
+            if host:
+                data['gallery_url'] = host + self.gallery_url()
+            apiclient.api_call(user, "books/", data)
         # record the publish
         br = BookPublishRecord.objects.create(book=self, user=user)
         for c in changes:
             ChunkPublishRecord.objects.create(book_record=br, change=c)
+        if not self.public:
+            self.public = True
+            self.save()
         post_publish.send(sender=br)
+
+    def latex_dir(self):
+        doc = self.wldocument()
+        return doc.latex_dir(cover=True, ilustr_path=self.gallery_path())