#1483: txt generation only for non-empty books

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

diff --git a/apps/catalogue/models.py b/apps/catalogue/models.py
index 8411f47..2202cc1 100644 (file)
--- a/apps/catalogue/models.py
+++ b/apps/catalogue/models.py
@@ -64,6 +64,9 @@ class Tag(TagBase):
     gazeta_link = models.CharField(blank=True, max_length=240)
     wiki_link = models.CharField(blank=True, max_length=240)
 
+    class UrlDeprecationWarning(DeprecationWarning):
+        pass
+
     categories_rev = {
         'autor': 'author',
         'epoka': 'epoch',
@@ -122,19 +125,20 @@ class Tag(TagBase):
             real_tags = []
             ambiguous_slugs = []
             category = None
+            deprecated = False
             tags_splitted = tags.split('/')
-            for index, name in enumerate(tags_splitted):
-                if name in Tag.categories_rev:
+            for name in tags_splitted:
+                if category:
+                    real_tags.append(Tag.objects.get(slug=name, category=category))
+                    category = None
+                elif name in Tag.categories_rev:
                     category = Tag.categories_rev[name]
                 else:
-                    if category:
-                        real_tags.append(Tag.objects.get(slug=name, category=category))
-                        category = None
-                    else:
-                        try:
-                            real_tags.append(Tag.objects.exclude(category='book').get(slug=name))
-                        except Tag.MultipleObjectsReturned, e:
-                            ambiguous_slugs.append(name)
+                    try:
+                        real_tags.append(Tag.objects.exclude(category='book').get(slug=name))
+                        deprecated = True 
+                    except Tag.MultipleObjectsReturned, e:
+                        ambiguous_slugs.append(name)
 
             if category:
                 # something strange left off
@@ -145,8 +149,11 @@ class Tag(TagBase):
                 e.tags = real_tags
                 e.ambiguous_slugs = ambiguous_slugs
                 raise e
-            else:
-                return real_tags
+            if deprecated:
+                e = Tag.UrlDeprecationWarning()
+                e.tags = real_tags
+                raise e
+            return real_tags
         else:
             return TagBase.get_tag_list(tags)
 
@@ -160,22 +167,33 @@ def book_upload_path(ext=None, maxlen=100):
     def get_dynamic_path(media, filename, ext=ext):
         # how to put related book's slug here?
         if not ext:
-            ext = media.type
+            if media.type == 'daisy':
+                ext = 'daisy.zip'
+            else:
+                ext = media.type
         if not media.name:
             name = slughifi(filename.split(".")[0])
         else:
             name = slughifi(media.name)
-        return 'lektura/%s.%s' % (name[:(maxlen-len('lektura/.%s' % ext))], ext)
+        return 'lektura/%s.%s' % (name[:maxlen-len('lektura/.%s' % ext)-4], ext)
     return get_dynamic_path
 
 
 class BookMedia(models.Model):
     type        = models.CharField(_('type'), choices=MEDIA_FORMATS, max_length="100")
-    name        = models.CharField(_('name'), max_length="100", blank=True)
-    file        = models.FileField(_('file'), upload_to=book_upload_path(), blank=True)
+    name        = models.CharField(_('name'), max_length="100")
+    file        = models.FileField(_('file'), upload_to=book_upload_path())
     uploaded_at = models.DateTimeField(_('creation date'), auto_now_add=True, editable=False)
     extra_info  = JSONField(_('extra information'), default='{}')
 
+    def book_count(self):
+        return self.book_set.count()
+    book_count.short_description = _('book count')
+
+    def books(self):
+        return mark_safe('<br/>'.join("<a href='%s'>%s</a>" % (reverse('admin:catalogue_book_change', args=[b.id]), b.title) for b in self.book_set.all()))
+    books.short_description = _('books')
+
     def __unicode__(self):
         return "%s (%s)" % (self.name, self.file.name.split("/")[-1])
 
@@ -547,7 +565,7 @@ class Book(models.Model):
                     tag.save()
                 book_tags.append(tag)
 
-        book.tags = book_tags + book_shelves
+        book.tags = set(book_tags + book_shelves)
 
         book_tag = book.book_tag()
 
@@ -603,8 +621,8 @@ class Book(models.Model):
                 new_fragment.save()
                 new_fragment.tags = set(book_tags + themes + [book_tag] + ancestor_tags)
 
-        if not settings.NO_BUILD_TXT and build_txt:
-            book.build_txt()
+            if not settings.NO_BUILD_TXT and build_txt:
+                book.build_txt()
 
         if not settings.NO_BUILD_EPUB and build_epub:
             book.root_ancestor.build_epub()