Fix book ordering.

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

diff --git a/src/catalogue/models/bookmedia.py b/src/catalogue/models/bookmedia.py
index 4532c86..e2fc343 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.
 #
@@ -7,7 +6,6 @@ import json
 from collections import namedtuple
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
-import jsonfield
 from slugify import slugify
 from mutagen import MutagenError
 
@@ -15,7 +13,13 @@ from catalogue.fields import OverwriteStorage
 
 
 def _file_upload_to(i, _n):
-    return 'book/%(ext)s/%(name)s.%(ext)s' % {'ext': i.ext(), 'name': slugify(i.name)}
+    name = i.book.slug
+    if i.index:
+        name += f'_{i.index:03d}'
+    if i.part_name:
+        name += f'_' + slugify(i.part_name)
+    ext = i.ext()
+    return f'book/{ext}/{name}.{ext}'
 
 
 class BookMedia(models.Model):
@@ -34,19 +38,35 @@ class BookMedia(models.Model):
     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')
+    project_description = models.CharField(max_length=2048, blank=True)
+    project_icon = models.CharField(max_length=2048, blank=True)
+    extra_info = models.TextField(_('extra information'), default='{}', editable=False)
+    book = models.ForeignKey('Book', models.CASCADE, related_name='media')
     source_sha1 = models.CharField(null=True, blank=True, max_length=40, editable=False)
 
     def __str__(self):
-        return "%s (%s)" % (self.name, self.file.name.split("/")[-1])
+        return self.file.name.split("/")[-1]
 
     class Meta:
-        ordering = ('type', 'name')
+        ordering = ('type', 'index')
         verbose_name = _('book media')
         verbose_name_plural = _('book media')
         app_label = 'catalogue'
 
+    def get_extra_info_json(self):
+        return json.loads(self.extra_info or '{}')
+
+    def get_nice_filename(self):
+        parts_count = 1 + type(self).objects.filter(book=self.book, type=self.type).exclude(pk=self.pk).count()
+
+        name = self.book.slug
+        if parts_count > 0:
+            name += f'_{self.index:03d}'
+        if self.part_name:
+            name += f'_' + slugify(self.part_name)
+        ext = self.ext()
+        return f'{name}.{ext}'
+
     def save(self, parts_count=None, *args, **kwargs):
         from catalogue.utils import ExistingFile, remove_zip
 
@@ -64,24 +84,17 @@ class BookMedia(models.Model):
             old = BookMedia.objects.get(pk=self.pk)
         except BookMedia.DoesNotExist:
             old = None
-        else:
-            # if name changed, change the file name, too
-            if slugify(self.name) != slugify(old.name):
-                self.file.save(None, ExistingFile(self.file.path), save=False)
 
         super(BookMedia, self).save(*args, **kwargs)
-
+        
         # remove the zip package for book with modified media
         if old:
             remove_zip("%s_%s" % (old.book.slug, old.type))
         remove_zip("%s_%s" % (self.book.slug, self.type))
 
-        extra_info = self.extra_info
-        if isinstance(extra_info, str):
-            # Walkaround for weird jsonfield 'no-decode' optimization.
-            extra_info = json.loads(extra_info)
+        extra_info = self.get_extra_info_json()
         extra_info.update(self.read_meta())
-        self.extra_info = extra_info
+        self.extra_info = json.dumps(extra_info)
         self.source_sha1 = self.read_source_sha1(self.file.path, self.type)
         return super(BookMedia, self).save(*args, **kwargs)
 
@@ -92,12 +105,13 @@ class BookMedia(models.Model):
         import mutagen
         from mutagen import id3
 
-        artist_name = director_name = project = funded_by = ''
+        artist_name = director_name = project = funded_by = license = ''
         if self.type == 'mp3':
             try:
                 audio = id3.ID3(self.file.path)
                 artist_name = ', '.join(', '.join(tag.text) for tag in audio.getall('TPE1'))
                 director_name = ', '.join(', '.join(tag.text) for tag in audio.getall('TPE3'))
+                license = ', '.join(tag.url for tag in audio.getall('WCOP'))
                 project = ", ".join([
                     t.data.decode('utf-8') for t in audio.getall('PRIV')
                     if t.owner == 'wolnelektury.pl?project'])
@@ -111,6 +125,7 @@ class BookMedia(models.Model):
                 audio = mutagen.File(self.file.path)
                 artist_name = ', '.join(audio.get('artist', []))
                 director_name = ', '.join(audio.get('conductor', []))
+                license = ', '.join(audio.get('license', []))
                 project = ", ".join(audio.get('project', []))
                 funded_by = ", ".join(audio.get('funded_by', []))
             except (MutagenError, AttributeError):
@@ -118,7 +133,7 @@ class BookMedia(models.Model):
         else:
             return {}
         return {'artist_name': artist_name, 'director_name': director_name,
-                'project': project, 'funded_by': funded_by}
+                'project': project, 'funded_by': funded_by, 'license': license}
 
     def ext(self):
         return self.formats[self.type].ext
@@ -149,11 +164,11 @@ class BookMedia(models.Model):
 
     @property
     def director(self):
-        return self.extra_info.get('director_name', None)
+        return self.get_extra_info_json().get('director_name', None)
 
     @property
     def artist(self):
-        return self.extra_info.get('artist_name', None)
+        return self.get_extra_info_json().get('artist_name', None)
 
     def file_url(self):
         return self.file.url