minor template fixes

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

diff --git a/apps/catalogue/models.py b/apps/catalogue/models.py
index 129bb8a..2b6a2cc 100644 (file)
--- a/apps/catalogue/models.py
+++ b/apps/catalogue/models.py
@@ -8,7 +8,6 @@ from django.utils.translation import ugettext_lazy as _
 from django.contrib.auth.models import User
 from django.core.files import File
 from django.template.loader import render_to_string
-from django.template.defaultfilters import slugify
 from django.utils.safestring import mark_safe
 from django.utils.translation import get_language
 from django.core.urlresolvers import reverse
@@ -22,6 +21,7 @@ from catalogue.fields import JSONField
 
 from librarian import dcparser, html, epub, NoDublinCore
 from mutagen import id3
+from slughifi import slughifi
 
 
 TAG_CATEGORIES = (
@@ -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)
 
@@ -156,26 +163,37 @@ class Tag(TagBase):
 
 
 # TODO: why is this hard-coded ?
-def book_upload_path(ext=None):
+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 = slugify(filename.split(".")[0])
+            name = slughifi(filename.split(".")[0])
         else:
-            name = slugify(media.name)
-        return 'lektura/%s.%s' % (name, ext)
+            name = slughifi(media.name)
+        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])
 
@@ -184,14 +202,14 @@ class BookMedia(models.Model):
         verbose_name        = _('book media')
         verbose_name_plural = _('book media')
 
-    def save(self, force_insert=False, force_update=False):
-        media = super(BookMedia, self).save(force_insert, force_update)
+    def save(self, force_insert=False, force_update=False, **kwargs):
+        media = super(BookMedia, self).save(force_insert, force_update, **kwargs)
         if self.type == 'mp3':
             file = self.file
             extra_info = self.get_extra_info_value()
             extra_info.update(self.get_mp3_info())
             self.set_extra_info_value(extra_info)
-            media = super(BookMedia, self).save(force_insert, force_update)
+            media = super(BookMedia, self).save(force_insert, force_update, **kwargs)
         return media
 
     def get_mp3_info(self):
@@ -493,8 +511,8 @@ class Book(models.Model):
 
     @classmethod
     def from_text_and_meta(cls, raw_file, book_info, overwrite=False, build_epub=True, build_txt=True):
+        import re
         from tempfile import NamedTemporaryFile
-        from slughifi import slughifi
         from markupstring import MarkupString
         from django.core.files.storage import default_storage
 
@@ -511,6 +529,8 @@ class Book(models.Model):
 
         # Read book metadata
         book_base, book_slug = book_info.url.rsplit('/', 1)
+        if re.search(r'[^a-zA-Z0-9-]', book_slug):
+            raise ValueError('Invalid characters in slug')
         book, created = Book.objects.get_or_create(slug=book_slug)
 
         if created:
@@ -545,7 +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()