author/title match ordering in api filter-books + fix lektura/audiobook filters
[wolnelektury.git] / src / catalogue / models / book.py
index 676f9c0..00921b8 100644 (file)
@@ -4,14 +4,16 @@
 #
 from collections import OrderedDict
 from random import randint
+import os.path
 import re
+import urllib
 from django.conf import settings
 from django.db import connection, models, transaction
 from django.db.models import permalink
 import django.dispatch
 from django.contrib.contenttypes.fields import GenericRelation
 from django.core.urlresolvers import reverse
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import ugettext_lazy as _, get_language
 import jsonfield
 from fnpdjango.storage import BofhFileSystemStorage
 from ssify import flush_ssi_includes
@@ -19,9 +21,11 @@ from newtagging import managers
 from catalogue import constants
 from catalogue.fields import EbookField
 from catalogue.models import Tag, Fragment, BookMedia
-from catalogue.utils import create_zip
+from catalogue.utils import create_zip, gallery_url, gallery_path
+from catalogue.models.tag import prefetched_relations
 from catalogue import app_settings
 from catalogue import tasks
+from wolnelektury.utils import makedirs
 
 bofh_storage = BofhFileSystemStorage()
 
@@ -56,6 +60,8 @@ class Book(models.Model):
     extra_info = jsonfield.JSONField(_('extra information'), default={})
     gazeta_link = models.CharField(blank=True, max_length=240)
     wiki_link = models.CharField(blank=True, max_length=240)
+    print_on_demand = models.BooleanField(_('print on demand'), default=False)
+    recommended = models.BooleanField(_('recommended'), default=False)
 
     # files generated during publication
     cover = EbookField(
@@ -75,6 +81,9 @@ class Book(models.Model):
     parent = models.ForeignKey('self', blank=True, null=True, related_name='children')
     ancestor = models.ManyToManyField('self', blank=True, editable=False, related_name='descendant', symmetrical=False)
 
+    cached_author = models.CharField(blank=True, max_length=240, db_index=True)
+    has_audience = models.BooleanField(default=False)
+
     objects = models.Manager()
     tagged = managers.ModelTaggedItemManager(Tag)
     tags = managers.TagDescriptor(Tag)
@@ -103,8 +112,32 @@ class Book(models.Model):
         except AttributeError:
             return ''
 
-    def author_str(self):
-        return ", ".join(str(t) for t in self.tags.filter(category='author'))
+    def authors(self):
+        return self.tags.filter(category='author')
+
+    def tag_unicode(self, category):
+        relations = prefetched_relations(self, category)
+        if relations:
+            return ', '.join(rel.tag.name for rel in relations)
+        else:
+            return ', '.join(self.tags.filter(category=category).values_list('name', flat=True))
+
+    def author_unicode(self):
+        return self.cached_author
+
+    def translator(self):
+        translators = self.extra_info.get('translators')
+        if not translators:
+            return None
+        if len(translators) > 3:
+            translators = translators[:2]
+            others = ' i inni'
+        else:
+            others = ''
+        return ', '.join(u'\xa0'.join(reversed(translator.split(', ', 1))) for translator in translators) + others
+
+    def cover_source(self):
+        return self.extra_info.get('cover_source', self.parent.cover_source() if self.parent else '')
 
     def save(self, force_insert=False, force_update=False, **kwargs):
         from sortify import sortify
@@ -113,11 +146,14 @@ class Book(models.Model):
         self.title = unicode(self.title)  # ???
 
         try:
-            author = self.tags.filter(category='author')[0].sort_key
-        except IndexError:
+            author = self.authors().first().sort_key
+        except AttributeError:
             author = u''
         self.sort_key_author = author
 
+        self.cached_author = self.tag_unicode('author')
+        self.has_audience = 'audience' in self.extra_info
+
         ret = super(Book, self).save(force_insert, force_update, **kwargs)
 
         return ret
@@ -131,6 +167,12 @@ class Book(models.Model):
     def create_url(slug):
         return 'catalogue.views.book_detail', [slug]
 
+    def gallery_path(self):
+        return gallery_path(self.slug)
+
+    def gallery_url(self):
+        return gallery_url(self.slug)
+
     @property
     def name(self):
         return self.title
@@ -141,6 +183,9 @@ class Book(models.Model):
     def language_name(self):
         return dict(settings.LANGUAGES).get(self.language_code(), "")
 
+    def is_foreign(self):
+        return self.language_code() != settings.LANGUAGE_CODE
+
     def has_media(self, type_):
         if type_ in Book.formats:
             return bool(getattr(self, "%s_file" % type_))
@@ -236,6 +281,21 @@ class Book(models.Model):
             index.index.rollback()
             raise e
 
+    def download_pictures(self, remote_gallery_url):
+        gallery_path = self.gallery_path()
+        # delete previous files, so we don't include old files in ebooks
+        if os.path.isdir(gallery_path):
+            for filename in os.listdir(gallery_path):
+                file_path = os.path.join(gallery_path, filename)
+                os.unlink(file_path)
+        ilustr_elements = list(self.wldocument().edoc.findall('//ilustr'))
+        if ilustr_elements:
+            makedirs(gallery_path)
+            for ilustr in ilustr_elements:
+                ilustr_src = ilustr.get('src')
+                ilustr_path = os.path.join(gallery_path, ilustr_src)
+                urllib.urlretrieve('%s/%s' % (remote_gallery_url, ilustr_src), ilustr_path)
+
     @classmethod
     def from_xml_file(cls, xml_file, **kwargs):
         from django.core.files import File
@@ -254,7 +314,7 @@ class Book(models.Model):
 
     @classmethod
     def from_text_and_meta(cls, raw_file, book_info, overwrite=False, dont_build=None, search_index=True,
-                           search_index_tags=True):
+                           search_index_tags=True, remote_gallery_url=None):
         if dont_build is None:
             dont_build = set()
         dont_build = set.union(set(dont_build), set(app_settings.DONT_BUILD))
@@ -322,6 +382,9 @@ class Book(models.Model):
         cls.repopulate_ancestors()
         tasks.update_counters.delay()
 
+        if remote_gallery_url:
+            book.download_pictures(remote_gallery_url)
+
         # No saves beyond this point.
 
         # Build cover.
@@ -345,6 +408,7 @@ class Book(models.Model):
         for child in notify_cover_changed:
             child.parent_cover_changed()
 
+        book.save()  # update sort_key_author
         cls.published.send(sender=cls, instance=book)
         return book
 
@@ -448,7 +512,7 @@ class Book(models.Model):
         return books
 
     def pretty_title(self, html_links=False):
-        names = [(tag.name, tag.get_absolute_url()) for tag in self.tags.filter(category='author')]
+        names = [(tag.name, tag.get_absolute_url()) for tag in self.authors().only('name', 'category', 'slug')]
         books = self.parents() + [self]
         names.extend([(b.title, b.get_absolute_url()) for b in books])
 
@@ -458,6 +522,13 @@ class Book(models.Model):
             names = [tag[0] for tag in names]
         return ', '.join(names)
 
+    def publisher(self):
+        publisher = self.extra_info['publisher']
+        if isinstance(publisher, basestring):
+            return publisher
+        elif isinstance(publisher, list):
+            return ', '.join(publisher)
+
     @classmethod
     def tagged_top_level(cls, tags):
         """ Returns top-level books tagged with `tags`.
@@ -478,8 +549,7 @@ class Book(models.Model):
         """
 
         books_by_parent = {}
-        books = cls.objects.all().order_by('parent_number', 'sort_key').only(
-                'title', 'parent', 'slug')
+        books = cls.objects.order_by('parent_number', 'sort_key').only('title', 'parent', 'slug')
         if book_filter:
             books = books.filter(book_filter).distinct()
 
@@ -499,7 +569,7 @@ class Book(models.Model):
             books_by_author[tag] = []
 
         for book in books_by_parent.get(None, ()):
-            authors = list(book.tags.filter(category='author'))
+            authors = list(book.authors().only('pk'))
             if authors:
                 for author in authors:
                     books_by_author[author].append(book)
@@ -512,6 +582,7 @@ class Book(models.Model):
         "SP": (1, u"szkoła podstawowa"),
         "SP1": (1, u"szkoła podstawowa"),
         "SP2": (1, u"szkoła podstawowa"),
+        "SP3": (1, u"szkoła podstawowa"),
         "P": (1, u"szkoła podstawowa"),
         "G": (2, u"gimnazjum"),
         "L": (3, u"liceum"),
@@ -544,6 +615,13 @@ class Book(models.Model):
         else:
             return None
 
+    def fragment_data(self):
+        fragment = self.choose_fragment()
+        if fragment:
+            return {'title': fragment.book.pretty_title(), 'html': fragment.get_short_text()}
+        else:
+            return None
+
     def update_popularity(self):
         count = self.tags.filter(category='set').values('user').order_by('user').distinct().count()
         try:
@@ -553,6 +631,9 @@ class Book(models.Model):
         except BookPopularity.DoesNotExist:
             BookPopularity.objects.create(book=self, count=count)
 
+    def ridero_link(self):
+        return 'https://ridero.eu/%s/books/wl_%s/' % (get_language(), self.slug.replace('-', '_'))
+
 
 def add_file_fields():
     for format_ in Book.formats: