Updates and fixes.

[wolnelektury.git] / src / catalogue / models / bookmedia.py

diff --git a/src/catalogue/models/bookmedia.py b/src/catalogue/models/bookmedia.py
index 1f984a0..9f71364 100644 (file)
--- a/src/catalogue/models/bookmedia.py
+++ b/src/catalogue/models/bookmedia.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
@@ -8,14 +7,14 @@ from collections import namedtuple
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
 import jsonfield
-from fnpdjango.utils.text.slughifi import slughifi
+from slugify import slugify
 from mutagen import MutagenError
 
-from catalogue.fields import OverwritingFileField
+from catalogue.fields import OverwriteStorage
 
 
 def _file_upload_to(i, _n):
-    return 'book/%(ext)s/%(name)s.%(ext)s' % {'ext': i.ext(), 'name': slughifi(i.name)}
+    return 'book/%(ext)s/%(name)s.%(ext)s' % {'ext': i.ext(), 'name': slugify(i.name)}
 
 
 class BookMedia(models.Model):
@@ -30,13 +29,15 @@ class BookMedia(models.Model):
 
     type = models.CharField(_('type'), db_index=True, choices=format_choices, max_length=20)
     name = models.CharField(_('name'), max_length=512)
-    file = OverwritingFileField(_('file'), max_length=600, upload_to=_file_upload_to)
+    part_name = models.CharField(_('part name'), default='', blank=True, max_length=512)
+    index = models.IntegerField(_('index'), default=0)
+    file = models.FileField(_('file'), max_length=600, upload_to=_file_upload_to, storage=OverwriteStorage())
     uploaded_at = models.DateTimeField(_('creation date'), auto_now_add=True, editable=False, db_index=True)
     extra_info = jsonfield.JSONField(_('extra information'), default={}, editable=False)
-    book = models.ForeignKey('Book', related_name='media')
+    book = models.ForeignKey('Book', models.CASCADE, related_name='media')
     source_sha1 = models.CharField(null=True, blank=True, max_length=40, editable=False)
 
-    def __unicode__(self):
+    def __str__(self):
         return "%s (%s)" % (self.name, self.file.name.split("/")[-1])
 
     class Meta:
@@ -45,17 +46,27 @@ class BookMedia(models.Model):
         verbose_name_plural = _('book media')
         app_label = 'catalogue'
 
-    def save(self, *args, **kwargs):
+    def save(self, parts_count=None, *args, **kwargs):
         from catalogue.utils import ExistingFile, remove_zip
 
+        if not parts_count:
+            parts_count = 1 + BookMedia.objects.filter(book=self.book, type=self.type).exclude(pk=self.pk).count()
+        if parts_count == 1:
+            self.name = self.book.pretty_title()
+        else:
+            no = ('%02d' if parts_count < 100 else '%03d') % self.index
+            self.name = '%s. %s' % (no, self.book.pretty_title())
+            if self.part_name:
+                self.name += ', ' + self.part_name
+
         try:
             old = BookMedia.objects.get(pk=self.pk)
         except BookMedia.DoesNotExist:
             old = None
         else:
             # if name changed, change the file name, too
-            if slughifi(self.name) != slughifi(old.name):
-                self.file.save(None, ExistingFile(self.file.path), save=False, leave=True)
+            if slugify(self.name) != slugify(old.name):
+                self.file.save(None, ExistingFile(self.file.path), save=False)
 
         super(BookMedia, self).save(*args, **kwargs)
 
@@ -65,7 +76,7 @@ class BookMedia(models.Model):
         remove_zip("%s_%s" % (self.book.slug, self.type))
 
         extra_info = self.extra_info
-        if isinstance(extra_info, basestring):
+        if isinstance(extra_info, str):
             # Walkaround for weird jsonfield 'no-decode' optimization.
             extra_info = json.loads(extra_info)
         extra_info.update(self.read_meta())
@@ -87,10 +98,10 @@ class BookMedia(models.Model):
                 artist_name = ', '.join(', '.join(tag.text) for tag in audio.getall('TPE1'))
                 director_name = ', '.join(', '.join(tag.text) for tag in audio.getall('TPE3'))
                 project = ", ".join([
-                    t.data for t in audio.getall('PRIV')
+                    t.data.decode('utf-8') for t in audio.getall('PRIV')
                     if t.owner == 'wolnelektury.pl?project'])
                 funded_by = ", ".join([
-                    t.data for t in audio.getall('PRIV')
+                    t.data.decode('utf-8') for t in audio.getall('PRIV')
                     if t.owner == 'wolnelektury.pl?funded_by'])
             except MutagenError:
                 pass
@@ -122,15 +133,26 @@ class BookMedia(models.Model):
         if filetype == 'mp3':
             try:
                 audio = id3.ID3(filepath)
-                return [t.data for t in audio.getall('PRIV')
+                return [t.data.decode('utf-8') for t in audio.getall('PRIV')
                         if t.owner == 'wolnelektury.pl?flac_sha1'][0]
-            except MutagenError:
+            except (MutagenError, IndexError):
                 return None
         elif filetype == 'ogg':
             try:
                 audio = mutagen.File(filepath)
                 return audio.get('flac_sha1', [None])[0]
-            except (MutagenError, AttributeError):
+            except (MutagenError, AttributeError, IndexError):
                 return None
         else:
             return None
+
+    @property
+    def director(self):
+        return self.extra_info.get('director_name', None)
+
+    @property
+    def artist(self):
+        return self.extra_info.get('artist_name', None)
+
+    def file_url(self):
+        return self.file.url