standarize ajaxable dialogs

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

diff --git a/apps/catalogue/models.py b/apps/catalogue/models.py
index 359a89e..6470ebb 100644 (file)
--- a/apps/catalogue/models.py
+++ b/apps/catalogue/models.py
@@ -61,7 +61,6 @@ class Tag(TagBase):
     category = models.CharField(_('category'), max_length=50, blank=False, null=False,
         db_index=True, choices=TAG_CATEGORIES)
     description = models.TextField(_('description'), blank=True)
-    main_page = models.BooleanField(_('main page'), default=False, db_index=True, help_text=_('Show tag on main page'))
 
     user = models.ForeignKey(User, blank=True, null=True)
     book_count = models.IntegerField(_('book count'), blank=True, null=True)
@@ -175,12 +174,16 @@ class Tag(TagBase):
             try:
                 tag_names = getattr(info, field_name)
             except:
-                tag_names = [getattr(info, category)]
+                try:
+                    tag_names = [getattr(info, category)]
+                except:
+                    # For instance, Pictures do not have 'genre' field.
+                    continue
             for tag_name in tag_names:
                 tag_sort_key = tag_name
                 if category == 'author':
                     tag_sort_key = tag_name.last_name
-                    tag_name = ' '.join(tag_name.first_names) + ' ' + tag_name.last_name
+                    tag_name = tag_name.readable()
                 tag, created = Tag.objects.get_or_create(slug=slughifi(tag_name), category=category)
                 if created:
                     tag.name = tag_name
@@ -356,6 +359,8 @@ class Book(models.Model):
     wiki_link     = models.CharField(blank=True, max_length=240)
     # files generated during publication
 
+    cover = models.FileField(_('cover'), upload_to=book_upload_path('png'),
+                null=True, blank=True)
     ebook_formats = ['pdf', 'epub', 'mobi', 'txt']
     formats = ebook_formats + ['html', 'xml']
 
@@ -571,6 +576,20 @@ class Book(models.Model):
                 provider=ORMDocProvider(self),
                 parse_dublincore=parse_dublincore)
 
+    def build_cover(self, book_info=None):
+        """(Re)builds the cover image."""
+        from StringIO import StringIO
+        from django.core.files.base import ContentFile
+        from librarian.cover import WLCover
+
+        if book_info is None:
+            book_info = self.wldocument().book_info
+
+        cover = WLCover(book_info).image()
+        imgstr = StringIO()
+        cover.save(imgstr, 'png')
+        self.cover.save(None, ContentFile(imgstr.getvalue()))
+
     def build_pdf(self, customizations=None, file_name=None):
         """ (Re)builds the pdf file.
         customizations - customizations which are passed to LaTeX class file.
@@ -789,6 +808,8 @@ class Book(models.Model):
             if not settings.NO_BUILD_TXT and build_txt:
                 book.build_txt()
 
+        book.build_cover(book_info)
+
         if not settings.NO_BUILD_EPUB and build_epub:
             book.build_epub()