new book.short_html, unfinished
[wolnelektury.git] / apps / catalogue / models.py
index 3fd80ef..d615fb6 100644 (file)
@@ -3,7 +3,6 @@
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
 from collections import namedtuple
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
 from collections import namedtuple
-from datetime import datetime
 
 from django.db import models
 from django.db.models import permalink, Q
 
 from django.db import models
 from django.db.models import permalink, Q
@@ -24,7 +23,8 @@ 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 create_zip
+from catalogue.utils import create_zip, split_tags
+from catalogue.tasks import touch_tag
 from shutil import copy
 from glob import glob
 import re
 from shutil import copy
 from glob import glob
 import re
@@ -61,7 +61,6 @@ class Tag(TagBase):
     category = models.CharField(_('category'), max_length=50, blank=False, null=False,
         db_index=True, choices=TAG_CATEGORIES)
     description = models.TextField(_('description'), blank=True)
     category = models.CharField(_('category'), max_length=50, blank=False, null=False,
         db_index=True, choices=TAG_CATEGORIES)
     description = models.TextField(_('description'), blank=True)
-    main_page = models.BooleanField(_('main page'), default=False, db_index=True, help_text=_('Show tag on main page'))
 
     user = models.ForeignKey(User, blank=True, null=True)
     book_count = models.IntegerField(_('book count'), blank=True, null=True)
 
     user = models.ForeignKey(User, blank=True, null=True)
     book_count = models.IntegerField(_('book count'), blank=True, null=True)
@@ -106,25 +105,22 @@ class Tag(TagBase):
     has_description.boolean = True
 
     def get_count(self):
     has_description.boolean = True
 
     def get_count(self):
-        """ returns global book count for book tags, fragment count for themes """
-
-        if self.book_count is None:
-            if self.category == 'book':
-                # never used
-                objects = Book.objects.none()
-            elif self.category == 'theme':
-                objects = Fragment.tagged.with_all((self,))
-            else:
-                objects = Book.tagged.with_all((self,)).order_by()
-                if self.category != 'set':
-                    # eliminate descendants
-                    l_tags = Tag.objects.filter(slug__in=[book.book_tag_slug() for book in objects])
-                    descendants_keys = [book.pk for book in Book.tagged.with_any(l_tags)]
-                    if descendants_keys:
-                        objects = objects.exclude(pk__in=descendants_keys)
-            self.book_count = objects.count()
-            self.save()
-        return self.book_count
+        """Returns global book count for book tags, fragment count for themes."""
+
+        if self.category == 'book':
+            # never used
+            objects = Book.objects.none()
+        elif self.category == 'theme':
+            objects = Fragment.tagged.with_all((self,))
+        else:
+            objects = Book.tagged.with_all((self,)).order_by()
+            if self.category != 'set':
+                # eliminate descendants
+                l_tags = Tag.objects.filter(slug__in=[book.book_tag_slug() for book in objects])
+                descendants_keys = [book.pk for book in Book.tagged.with_any(l_tags)]
+                if descendants_keys:
+                    objects = objects.exclude(pk__in=descendants_keys)
+        return objects.count()
 
     @staticmethod
     def get_tag_list(tags):
 
     @staticmethod
     def get_tag_list(tags):
@@ -168,6 +164,35 @@ class Tag(TagBase):
     def url_chunk(self):
         return '/'.join((Tag.categories_dict[self.category], self.slug))
 
     def url_chunk(self):
         return '/'.join((Tag.categories_dict[self.category], self.slug))
 
+    @staticmethod
+    def tags_from_info(info):
+        from slughifi import slughifi
+        from sortify import sortify
+        meta_tags = []
+        categories = (('kinds', 'kind'), ('genres', 'genre'), ('authors', 'author'), ('epochs', 'epoch'))
+        for field_name, category in categories:
+            try:
+                tag_names = getattr(info, field_name)
+            except:
+                try:
+                    tag_names = [getattr(info, category)]
+                except:
+                    # For instance, Pictures do not have 'genre' field.
+                    continue
+            for tag_name in tag_names:
+                tag_sort_key = tag_name
+                if category == 'author':
+                    tag_sort_key = tag_name.last_name
+                    tag_name = tag_name.readable()
+                tag, created = Tag.objects.get_or_create(slug=slughifi(tag_name), category=category)
+                if created:
+                    tag.name = tag_name
+                    tag.sort_key = sortify(tag_sort_key.lower())
+                    tag.save()
+                meta_tags.append(tag)
+        return meta_tags
+
+
 
 def get_dynamic_path(media, filename, ext=None, maxlen=100):
     from slughifi import slughifi
 
 def get_dynamic_path(media, filename, ext=None, maxlen=100):
     from slughifi import slughifi
@@ -334,6 +359,8 @@ class Book(models.Model):
     wiki_link     = models.CharField(blank=True, max_length=240)
     # files generated during publication
 
     wiki_link     = models.CharField(blank=True, max_length=240)
     # files generated during publication
 
+    cover = models.FileField(_('cover'), upload_to=book_upload_path('png'),
+                null=True, blank=True)
     ebook_formats = ['pdf', 'epub', 'mobi', 'txt']
     formats = ebook_formats + ['html', 'xml']
 
     ebook_formats = ['pdf', 'epub', 'mobi', 'txt']
     formats = ebook_formats + ['html', 'xml']
 
@@ -463,6 +490,7 @@ class Book(models.Model):
         cache_key = "Book.short_html/%d/%s"
         for lang, langname in settings.LANGUAGES:
             cache.delete(cache_key % (self.id, lang))
         cache_key = "Book.short_html/%d/%s"
         for lang, langname in settings.LANGUAGES:
             cache.delete(cache_key % (self.id, lang))
+        cache.delete(cache_key = "Book.mini_box/%d" % (self.id, ))
         # Fragment.short_html relies on book's tags, so reset it here too
         for fragm in self.fragments.all():
             fragm.reset_short_html()
         # Fragment.short_html relies on book's tags, so reset it here too
         for fragm in self.fragments.all():
             fragm.reset_short_html()
@@ -477,22 +505,17 @@ class Book(models.Model):
         if short_html is not None:
             return mark_safe(short_html)
         else:
         if short_html is not None:
             return mark_safe(short_html)
         else:
-            tags = self.tags.filter(~Q(category__in=('set', 'theme', 'book')))
-            tags = [mark_safe(u'<a href="%s">%s</a>' % (tag.get_absolute_url(), tag.name)) for tag in tags]
+            tags = self.tags.filter(category__in=('author', 'kind', 'genre', 'epoch'))
+            tags = split_tags(tags)
 
             formats = []
             # files generated during publication
 
             formats = []
             # files generated during publication
-            if self.has_media("html"):
-                formats.append(u'<a href="%s">%s</a>' % (reverse('book_text', args=[self.fileid()]), _('Read online')))
             for ebook_format in self.ebook_formats:
                 if self.has_media(ebook_format):
                     formats.append(u'<a href="%s">%s</a>' % (
             for ebook_format in self.ebook_formats:
                 if self.has_media(ebook_format):
                     formats.append(u'<a href="%s">%s</a>' % (
-                        self.get_media(ebook_format).url,
+                        "", #self.get_media(ebook_format).url,
                         ebook_format.upper()
                     ))
                         ebook_format.upper()
                     ))
-            # other files
-            for m in self.media.order_by('type'):
-                formats.append(u'<a href="%s">%s</a>' % (m.file.url, m.type.upper()))
 
             formats = [mark_safe(format) for format in formats]
 
 
             formats = [mark_safe(format) for format in formats]
 
@@ -505,7 +528,7 @@ class Book(models.Model):
 
     def mini_box(self):
         if self.id:
 
     def mini_box(self):
         if self.id:
-            cache_key = "Book.mini_boxs/%d" % (self.id, )
+            cache_key = "Book.mini_box/%d" % (self.id, )
             short_html = cache.get(cache_key)
         else:
             short_html = None
             short_html = cache.get(cache_key)
         else:
             short_html = None
@@ -549,6 +572,20 @@ class Book(models.Model):
                 provider=ORMDocProvider(self),
                 parse_dublincore=parse_dublincore)
 
                 provider=ORMDocProvider(self),
                 parse_dublincore=parse_dublincore)
 
+    def build_cover(self, book_info=None):
+        """(Re)builds the cover image."""
+        from StringIO import StringIO
+        from django.core.files.base import ContentFile
+        from librarian.cover import WLCover
+
+        if book_info is None:
+            book_info = self.wldocument().book_info
+
+        cover = WLCover(book_info).image()
+        imgstr = StringIO()
+        cover.save(imgstr, 'png')
+        self.cover.save(None, ContentFile(imgstr.getvalue()))
+
     def build_pdf(self, customizations=None, file_name=None):
         """ (Re)builds the pdf file.
         customizations - customizations which are passed to LaTeX class file.
     def build_pdf(self, customizations=None, file_name=None):
         """ (Re)builds the pdf file.
         customizations - customizations which are passed to LaTeX class file.
@@ -712,7 +749,6 @@ 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
         from sortify import sortify
 
         # check for parts before we do anything
@@ -747,24 +783,7 @@ class Book(models.Model):
         book.set_extra_info_value(book_info.to_dict())
         book.save()
 
         book.set_extra_info_value(book_info.to_dict())
         book.save()
 
-        meta_tags = []
-        categories = (('kinds', 'kind'), ('genres', 'genre'), ('authors', 'author'), ('epochs', 'epoch'))
-        for field_name, category in categories:
-            try:
-                tag_names = getattr(book_info, field_name)
-            except:
-                tag_names = [getattr(book_info, category)]
-            for tag_name in tag_names:
-                tag_sort_key = tag_name
-                if category == 'author':
-                    tag_sort_key = tag_name.last_name
-                    tag_name = ' '.join(tag_name.first_names) + ' ' + tag_name.last_name
-                tag, created = Tag.objects.get_or_create(slug=slughifi(tag_name), category=category)
-                if created:
-                    tag.name = tag_name
-                    tag.sort_key = sortify(tag_sort_key.lower())
-                    tag.save()
-                meta_tags.append(tag)
+        meta_tags = Tag.tags_from_info(book_info)
 
         book.tags = set(meta_tags + book_shelves)
 
 
         book.tags = set(meta_tags + book_shelves)
 
@@ -785,6 +804,8 @@ class Book(models.Model):
             if not settings.NO_BUILD_TXT and build_txt:
                 book.build_txt()
 
             if not settings.NO_BUILD_TXT and build_txt:
                 book.build_txt()
 
+        book.build_cover(book_info)
+
         if not settings.NO_BUILD_EPUB and build_epub:
             book.build_epub()
 
         if not settings.NO_BUILD_EPUB and build_epub:
             book.build_epub()
 
@@ -795,15 +816,20 @@ class Book(models.Model):
             book.build_mobi()
 
         book_descendants = list(book.children.all())
             book.build_mobi()
 
         book_descendants = list(book.children.all())
+        descendants_tags = set()
         # add l-tag to descendants and their fragments
         while len(book_descendants) > 0:
             child_book = book_descendants.pop(0)
         # add l-tag to descendants and their fragments
         while len(book_descendants) > 0:
             child_book = book_descendants.pop(0)
+            descendants_tags.update(child_book.tags)
             child_book.tags = list(child_book.tags) + [book_tag]
             child_book.save()
             for fragment in child_book.fragments.all():
                 fragment.tags = set(list(fragment.tags) + [book_tag])
             book_descendants += list(child_book.children.all())
 
             child_book.tags = list(child_book.tags) + [book_tag]
             child_book.save()
             for fragment in child_book.fragments.all():
                 fragment.tags = set(list(fragment.tags) + [book_tag])
             book_descendants += list(child_book.children.all())
 
+        for tag in descendants_tags:
+            touch_tag.delay(tag)
+
         book.save()
 
         # refresh cache
         book.save()
 
         # refresh cache
@@ -1027,7 +1053,8 @@ class Fragment(models.Model):
 def _tags_updated_handler(sender, affected_tags, **kwargs):
     # reset tag global counter
     # we want Tag.changed_at updated for API to know the tag was touched
 def _tags_updated_handler(sender, affected_tags, **kwargs):
     # reset tag global counter
     # we want Tag.changed_at updated for API to know the tag was touched
-    Tag.objects.filter(pk__in=[tag.pk for tag in affected_tags]).update(book_count=None, changed_at=datetime.now())
+    for tag in affected_tags:
+        touch_tag.delay(tag)
 
     # if book tags changed, reset book tag counter
     if isinstance(sender, Book) and \
 
     # if book tags changed, reset book tag counter
     if isinstance(sender, Book) and \