Added inclusion tag for book.

[wolnelektury.git] / catalogue / models.py

diff --git a/catalogue/models.py b/catalogue/models.py
index b49747b..1b5a32f 100644 (file)
--- a/catalogue/models.py
+++ b/catalogue/models.py
@@ -3,10 +3,13 @@ from django.db import models
 from django.db.models import permalink
 from django.utils.translation import ugettext_lazy as _
 from django.contrib.auth.models import User
+from django.core.files import File
 
 from newtagging.models import TagBase
 from newtagging import managers
 
+from librarian import html
+
 
 TAG_CATEGORIES = (
     ('author', _('author')),
@@ -54,6 +57,14 @@ class Tag(TagBase):
     def __unicode__(self):
         return self.name
 
+    @staticmethod
+    def get_tag_list(tags):
+        if isinstance(tags, basestring):
+            tag_slugs = tags.split('/')
+            return [Tag.objects.get(slug=slug) for slug in tag_slugs]
+        else:
+            return TagBase.get_tag_list(tags)
+
 
 class Book(models.Model):
     title = models.CharField(_('title'), max_length=120)
@@ -62,6 +73,7 @@ class Book(models.Model):
     created_at = models.DateTimeField(_('creation date'), auto_now=True)
     
     # Formats
+    xml_file = models.FileField(_('XML file'), upload_to='books/xml', blank=True)
     pdf_file = models.FileField(_('PDF file'), upload_to='books/pdf', blank=True)
     odt_file = models.FileField(_('ODT file'), upload_to='books/odt', blank=True)
     html_file = models.FileField(_('HTML file'), upload_to='books/html', blank=True)
@@ -88,6 +100,58 @@ class Book(models.Model):
         return bool(self.html_file)
     has_html_file.short_description = 'HTML'
     has_html_file.boolean = True
+
+    @staticmethod
+    def from_xml_file(xml_file):
+        from tempfile import NamedTemporaryFile
+        from slughifi import slughifi
+        import dcparser
+        
+        book_info = dcparser.parse(xml_file)
+        book = Book(title=book_info.title, slug=slughifi(book_info.title))
+        book.save()
+        
+        book_tags = []
+        for category in ('kind', 'genre', 'author', 'epoch'):    
+            tag_name = getattr(book_info, category)
+            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(name=tag_name,
+                slug=slughifi(tag_name), sort_key=slughifi(tag_sort_key), category=category)
+            tag.save()
+            book_tags.append(tag)
+        book.tags = book_tags
+        
+        # Save XML and HTML files
+        book.xml_file.save('%s.xml' % book.slug, File(file(xml_file)), save=False)
+        
+        html_file = NamedTemporaryFile()
+        html.transform(book.xml_file.path, html_file)
+        book.html_file.save('%s.html' % book.slug, File(html_file), save=False)
+        
+        # Extract fragments
+        closed_fragments, open_fragments = html.extract_fragments(book.html_file.path)
+        book_themes = []
+        for fragment in closed_fragments.values():
+            new_fragment = Fragment(html=fragment.to_string(), short_html=fragment.to_string(),
+                anchor=fragment.id, book=book)
+                
+            theme_names = [s.strip() for s in fragment.themes.split(',')]
+            themes = []
+            for theme_name in theme_names:
+                tag, created = Tag.objects.get_or_create(name=theme_name,
+                    slug=slughifi(theme_name), sort_key=slughifi(theme_name), category='theme')
+                tag.save()
+                themes.append(tag)
+            new_fragment.save()
+            new_fragment.tags = list(book.tags) + themes
+            book_themes += themes
+        
+        book_themes = set(book_themes)
+        book.tags = list(book.tags) + list(book_themes)
+        return book.save()
     
     @permalink
     def get_absolute_url(self):
@@ -102,27 +166,17 @@ class Book(models.Model):
         return self.title
 
 
-# class Fragment(models.Model):
-#     id = models.IntegerField(primary_key=True)
-#     text = models.TextField(blank=True)
-#     start_paragraph = models.IntegerField(null=True, blank=True)
-#     book_id = models.IntegerField(null=True, blank=True)
-#     class Meta:
-#         db_table = u'fragment'
-
-
-# class Inflections(models.Model):
-#     word = models.CharField(max_length=120, primary_key=True)
-#     cases = models.TextField() # This field type is a guess.
-#     class Meta:
-#         db_table = u'inflections'
-
-
-# class Paragraph(models.Model):
-#     id = models.IntegerField(primary_key=True)
-#     number = models.IntegerField(null=True, blank=True)
-#     text = models.TextField(blank=True)
-#     book_id = models.IntegerField(null=True, blank=True)
-#     class Meta:
-#         db_table = u'paragraph'
+class Fragment(models.Model):
+    html = models.TextField()
+    short_html = models.TextField()
+    anchor = models.IntegerField()
+    book = models.ForeignKey(Book, related_name='fragments')
+    
+    objects = managers.ModelTaggedItemManager(Tag)
+    tags = managers.TagDescriptor(Tag)
+    
+    class Meta:
+        ordering = ('book', 'anchor',)
+        verbose_name = _('fragment')
+        verbose_name_plural = _('fragment')