add collection for Boy

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

diff --git a/apps/catalogue/models.py b/apps/catalogue/models.py
index 128fe81..1417519 100644 (file)
--- a/apps/catalogue/models.py
+++ b/apps/catalogue/models.py
@@ -10,8 +10,8 @@ import django.dispatch
 from django.core.cache import cache
 from django.utils.translation import ugettext_lazy as _
 from django.contrib.auth.models import User
 from django.core.cache import cache
 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.loader import render_to_string

+from django.utils.datastructures import SortedDict

 from django.utils.safestring import mark_safe
 from django.utils.translation import get_language
 from django.core.urlresolvers import reverse
 from django.utils.safestring import mark_safe
 from django.utils.translation import get_language
 from django.core.urlresolvers import reverse


@@ -22,14 +22,8 @@ from django.conf import settings
 from newtagging.models import TagBase, tags_updated
 from newtagging import managers
 from catalogue.fields import JSONField, OverwritingFileField
 from newtagging.models import TagBase, tags_updated
 from newtagging import managers
 from catalogue.fields import JSONField, OverwritingFileField

-from catalogue.utils import ExistingFile, ORMDocProvider, create_zip, remove_zip
+from catalogue.utils import create_zip

 
 

-from librarian import dcparser, html, epub, NoDublinCore
-import mutagen
-from mutagen import id3
-from slughifi import slughifi
-from sortify import sortify
-from os import unlink

 
 TAG_CATEGORIES = (
     ('author', _('author')),
 
 TAG_CATEGORIES = (
     ('author', _('author')),


@@ -179,6 +173,8 @@ class Tag(TagBase):
 # TODO: why is this hard-coded ?
 def book_upload_path(ext=None, maxlen=100):
     def get_dynamic_path(media, filename, ext=ext):
 # TODO: why is this hard-coded ?
 def book_upload_path(ext=None, maxlen=100):
     def get_dynamic_path(media, filename, ext=ext):

+        from slughifi import slughifi
+

         # how to put related book's slug here?
         if not ext:
             if media.type == 'daisy':
         # how to put related book's slug here?
         if not ext:
             if media.type == 'daisy':


@@ -211,6 +207,9 @@ class BookMedia(models.Model):
         verbose_name_plural = _('book media')
 
     def save(self, *args, **kwargs):
         verbose_name_plural = _('book media')
 
     def save(self, *args, **kwargs):

+        from slughifi import slughifi
+        from catalogue.utils import ExistingFile, remove_zip
+

         try:
             old = BookMedia.objects.get(pk=self.pk)
         except BookMedia.DoesNotExist, e:
         try:
             old = BookMedia.objects.get(pk=self.pk)
         except BookMedia.DoesNotExist, e:


@@ -220,10 +219,11 @@ class BookMedia(models.Model):
             if slughifi(self.name) != slughifi(old.name):
                 self.file.save(None, ExistingFile(self.file.path), save=False, leave=True)
 
             if slughifi(self.name) != slughifi(old.name):
                 self.file.save(None, ExistingFile(self.file.path), save=False, leave=True)
 

+        super(BookMedia, self).save(*args, **kwargs)
+

         # remove the zip package for book with modified media
         remove_zip(self.book.slug)
 
         # remove the zip package for book with modified media
         remove_zip(self.book.slug)
 

-        super(BookMedia, self).save(*args, **kwargs)

         extra_info = self.get_extra_info_value()
         extra_info.update(self.read_meta())
         self.set_extra_info_value(extra_info)
         extra_info = self.get_extra_info_value()
         extra_info.update(self.read_meta())
         self.set_extra_info_value(extra_info)


@@ -234,6 +234,8 @@ class BookMedia(models.Model):
         """
             Reads some metadata from the audiobook.
         """
         """
             Reads some metadata from the audiobook.
         """

+        import mutagen
+        from mutagen import id3

 
         artist_name = director_name = project = funded_by = ''
         if self.type == 'mp3':
 
         artist_name = director_name = project = funded_by = ''
         if self.type == 'mp3':


@@ -266,6 +268,8 @@ class BookMedia(models.Model):
         """
             Reads source file SHA1 from audiobok metadata.
         """
         """
             Reads source file SHA1 from audiobok metadata.
         """

+        import mutagen
+        from mutagen import id3

 
         if filetype == 'mp3':
             try:
 
         if filetype == 'mp3':
             try:


@@ -305,6 +309,7 @@ class Book(models.Model):
     tags     = managers.TagDescriptor(Tag)
 
     html_built = django.dispatch.Signal()
     tags     = managers.TagDescriptor(Tag)
 
     html_built = django.dispatch.Signal()

+    published = django.dispatch.Signal()

 
     class AlreadyExists(Exception):
         pass
 
     class AlreadyExists(Exception):
         pass


@@ -318,6 +323,8 @@ class Book(models.Model):
         return self.title
 
     def save(self, force_insert=False, force_update=False, reset_short_html=True, **kwargs):
         return self.title
 
     def save(self, force_insert=False, force_update=False, reset_short_html=True, **kwargs):

+        from sortify import sortify
+

         self.sort_key = sortify(self.title)
 
         ret = super(Book, self).save(force_insert, force_update)
         self.sort_key = sortify(self.title)
 
         ret = super(Book, self).save(force_insert, force_update)


@@ -462,12 +469,11 @@ class Book(models.Model):
         """ (Re)builds the pdf file.
 
         """
         """ (Re)builds the pdf file.
 
         """

-        from librarian import pdf

         from tempfile import NamedTemporaryFile
         from tempfile import NamedTemporaryFile

-        import os
-
-        # remove zip with all pdf files
-        remove_zip(settings.ALL_PDF_ZIP)
+        from os import unlink
+        from django.core.files import File
+        from librarian import pdf
+        from catalogue.utils import ORMDocProvider, remove_zip

 
         try:
             pdf_file = NamedTemporaryFile(delete=False)
 
         try:
             pdf_file = NamedTemporaryFile(delete=False)


@@ -480,16 +486,18 @@ class Book(models.Model):
         finally:
             unlink(pdf_file.name)
 
         finally:
             unlink(pdf_file.name)
 

+        # remove zip with all pdf files
+        remove_zip(settings.ALL_PDF_ZIP)
+

     def build_mobi(self):
         """ (Re)builds the MOBI file.
 
         """
     def build_mobi(self):
         """ (Re)builds the MOBI file.
 
         """

-        from librarian import mobi

         from tempfile import NamedTemporaryFile
         from tempfile import NamedTemporaryFile

-        import os
-
-        # remove zip with all pdf files
-        remove_zip(settings.ALL_MOBI_ZIP)
+        from os import unlink
+        from django.core.files import File
+        from librarian import mobi
+        from catalogue.utils import ORMDocProvider, remove_zip

 
         try:
             mobi_file = NamedTemporaryFile(suffix='.mobi', delete=False)
 
         try:
             mobi_file = NamedTemporaryFile(suffix='.mobi', delete=False)


@@ -502,6 +510,9 @@ class Book(models.Model):
         finally:
             unlink(mobi_file.name)
 
         finally:
             unlink(mobi_file.name)
 

+        # remove zip with all mobi files
+        remove_zip(settings.ALL_MOBI_ZIP)
+

     def build_epub(self, remove_descendants=True):
         """ (Re)builds the epub file.
             If book has a parent, does nothing.
     def build_epub(self, remove_descendants=True):
         """ (Re)builds the epub file.
             If book has a parent, does nothing.


@@ -510,14 +521,13 @@ class Book(models.Model):
         from StringIO import StringIO
         from hashlib import sha1
         from django.core.files.base import ContentFile
         from StringIO import StringIO
         from hashlib import sha1
         from django.core.files.base import ContentFile

+        from librarian import epub, NoDublinCore
+        from catalogue.utils import ORMDocProvider, remove_zip

 
         if self.parent:
             # don't need an epub
             return
 
 
         if self.parent:
             # don't need an epub
             return
 

-        # remove zip package with all epub files
-        remove_zip(settings.ALL_EPUB_ZIP)
-

         epub_file = StringIO()
         try:
             epub.transform(ORMDocProvider(self), self.slug, output_file=epub_file)
         epub_file = StringIO()
         try:
             epub.transform(ORMDocProvider(self), self.slug, output_file=epub_file)


@@ -535,6 +545,9 @@ class Book(models.Model):
             child_book.save()
             book_descendants += list(child_book.children.all())
 
             child_book.save()
             book_descendants += list(child_book.children.all())
 

+        # remove zip package with all epub files
+        remove_zip(settings.ALL_EPUB_ZIP)
+

     def build_txt(self):
         from StringIO import StringIO
         from django.core.files.base import ContentFile
     def build_txt(self):
         from StringIO import StringIO
         from django.core.files.base import ContentFile


@@ -548,6 +561,9 @@ class Book(models.Model):
     def build_html(self):
         from tempfile import NamedTemporaryFile
         from markupstring import MarkupString
     def build_html(self):
         from tempfile import NamedTemporaryFile
         from markupstring import MarkupString

+        from django.core.files import File
+        from slughifi import slughifi
+        from librarian import html

 
         meta_tags = list(self.tags.filter(
             category__in=('author', 'epoch', 'genre', 'kind')))
 
         meta_tags = list(self.tags.filter(
             category__in=('author', 'epoch', 'genre', 'kind')))


@@ -601,40 +617,32 @@ class Book(models.Model):
         return False
 
     @staticmethod
         return False
 
     @staticmethod

-    def zip_epub():
-        books = Book.objects.all()
-
-        paths = filter(lambda x: x is not None,
-                       map(lambda b: b.epub_file and b.epub_file.path or None, books))
-        result = create_zip.delay(paths, settings.ALL_EPUB_ZIP)
+    def zip_format(format_):
+        def pretty_file_name(book):
+            return "%s/%s.%s" % (
+                b.get_extra_info_value()['author'],
+                b.slug,
+                format_)
+
+        field_name = "%s_file" % format_
+        books = Book.objects.filter(parent=None).exclude(**{field_name: ""})
+        paths = [(pretty_file_name(b), getattr(b, field_name).path)
+                    for b in books]
+        result = create_zip.delay(paths,
+                    getattr(settings, "ALL_%s_ZIP" % format_.upper()))

         return result.wait()
 
         return result.wait()
 

-    @staticmethod
-    def zip_pdf():
-        books = Book.objects.all()
-
-        paths = filter(lambda x: x is not None,
-                       map(lambda b: b.pdf_file and b.pdf_file.path or None, books))
-        result = create_zip.delay(paths, settings.ALL_PDF_ZIP)
-        return result.wait()
-
-    @staticmethod
-    def zip_mobi():
-        books = Book.objects.all()
-
-        paths = filter(lambda x: x is not None,
-                       map(lambda b: b.mobi_file and b.mobi_file.path or None, books))
-        result = create_zip.delay(paths, settings.ALL_MOBI_ZIP)
-        return settings.MEDIA_URL + result.wait()
-

     def zip_audiobooks(self):
     def zip_audiobooks(self):

-        bm = BookMedia.objects.filter(book=self)
-        paths = map(lambda bm: bm.file.path, bm)
+        bm = BookMedia.objects.filter(book=self, type='mp3')
+        paths = map(lambda bm: (None, bm.file.path), bm)

         result = create_zip.delay(paths, self.slug)
         return result.wait()
 
     @classmethod
     def from_xml_file(cls, xml_file, **kwargs):
         result = create_zip.delay(paths, self.slug)
         return result.wait()
 
     @classmethod
     def from_xml_file(cls, xml_file, **kwargs):

+        from django.core.files import File
+        from librarian import dcparser
+

         # use librarian to parse meta-data
         book_info = dcparser.parse(xml_file)
 
         # use librarian to parse meta-data
         book_info = dcparser.parse(xml_file)
 


@@ -650,6 +658,8 @@ class Book(models.Model):
     def from_text_and_meta(cls, raw_file, book_info, overwrite=False,
             build_epub=True, build_txt=True, build_pdf=True, build_mobi=True):
         import re
     def from_text_and_meta(cls, raw_file, book_info, overwrite=False,
             build_epub=True, build_txt=True, build_pdf=True, build_mobi=True):
         import re

+        from slughifi import slughifi
+        from sortify import sortify

 
         # check for parts before we do anything
         children = []
 
         # check for parts before we do anything
         children = []


@@ -744,6 +754,7 @@ class Book(models.Model):
         book.reset_tag_counter()
         book.reset_theme_counter()
 
         book.reset_tag_counter()
         book.reset_theme_counter()
 

+        cls.published.send(sender=book)

         return book
 
     def reset_tag_counter(self):
         return book
 
     def reset_tag_counter(self):


@@ -837,6 +848,43 @@ class Book(models.Model):
 
         return objects
 
 
         return objects
 

+    @classmethod
+    def book_list(cls, filter=None):
+        """Generates a hierarchical listing of all books.
+
+        Books are optionally filtered with a test function.
+
+        """
+
+        books_by_parent = {}
+        books = cls.objects.all().order_by('parent_number', 'sort_key').only('title', 'parent', 'slug')
+        if filter:
+            books = books.filter(filter).distinct()
+            book_ids = set((book.pk for book in books))
+            for book in books:
+                parent = book.parent_id
+                if parent not in book_ids:
+                    parent = None
+                books_by_parent.setdefault(parent, []).append(book)
+        else:
+            for book in books:
+                books_by_parent.setdefault(book.parent_id, []).append(book)
+
+        orphans = []
+        books_by_author = SortedDict()
+        for tag in Tag.objects.filter(category='author'):
+            books_by_author[tag] = []
+
+        for book in books_by_parent.get(None,()):
+            authors = list(book.tags.filter(category='author'))
+            if authors:
+                for author in authors:
+                    books_by_author[author].append(book)
+            else:
+                orphans.append(book)
+
+        return books_by_author, orphans, books_by_parent
+

 
 def _has_factory(ftype):
     has = lambda self: bool(getattr(self, "%s_file" % ftype))
 
 def _has_factory(ftype):
     has = lambda self: bool(getattr(self, "%s_file" % ftype))


@@ -913,6 +961,25 @@ class FileRecord(models.Model):
     def __unicode__(self):
         return "%s %s.%s" % (self.sha1,  self.slug, self.type)
 
     def __unicode__(self):
         return "%s %s.%s" % (self.sha1,  self.slug, self.type)
 

+
+class Collection(models.Model):
+    """A collection of books, which might be defined before publishing them."""
+    title = models.CharField(_('title'), max_length=120, db_index=True)
+    slug = models.SlugField(_('slug'), max_length=120, primary_key=True)
+    description = models.TextField(_('description'), null=True, blank=True)
+
+    models.SlugField(_('slug'), max_length=120, unique=True, db_index=True)
+    book_slugs = models.TextField(_('book slugs'))
+
+    class Meta:
+        ordering = ('title',)
+        verbose_name = _('collection')
+        verbose_name_plural = _('collections')
+
+    def __unicode__(self):
+        return self.title
+
+

 ###########
 #
 # SIGNALS
 ###########
 #
 # SIGNALS