Added ordering to book children relation.
[wolnelektury.git] / apps / catalogue / models.py
index feccaed..f31dbe6 100644 (file)
@@ -6,6 +6,7 @@ from django.contrib.auth.models import User
 from django.core.files import File
 from django.template.loader import render_to_string
 from django.utils.safestring import mark_safe
+from django.core.urlresolvers import reverse
 
 from newtagging.models import TagBase
 from newtagging import managers
@@ -33,13 +34,14 @@ class TagSubcategoryManager(models.Manager):
 
 
 class Tag(TagBase):
-    name = models.CharField(_('name'), max_length=50, unique=True, db_index=True)
+    name = models.CharField(_('name'), max_length=50, db_index=True)
     slug = models.SlugField(_('slug'), max_length=120, unique=True, db_index=True)
     sort_key = models.SlugField(_('sort key'), max_length=120, db_index=True)
     category = models.CharField(_('category'), max_length=50, blank=False, null=False, 
         db_index=True, choices=TAG_CATEGORIES)
-    description = models.TextField(blank=True)
-    
+    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)
     
     def has_description(self):
@@ -68,18 +70,26 @@ class Tag(TagBase):
             return TagBase.get_tag_list(tags)
 
 
+def book_upload_path(ext):
+    def get_dynamic_path(book, filename):
+        return 'lektura/%s.%s' % (book.slug, ext)
+    return get_dynamic_path
+
+
 class Book(models.Model):
     title = models.CharField(_('title'), max_length=120)
     slug = models.SlugField(_('slug'), max_length=120, unique=True, db_index=True)
     description = models.TextField(_('description'), blank=True)
     created_at = models.DateTimeField(_('creation date'), auto_now=True)
     _short_html = models.TextField(_('short HTML'), editable=False)
+    parent_number = models.IntegerField(_('parent number'), default=0)
     
     # 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)
+    xml_file = models.FileField(_('XML file'), upload_to=book_upload_path('xml'), blank=True)
+    html_file = models.FileField(_('HTML file'), upload_to=book_upload_path('html'), blank=True)
+    pdf_file = models.FileField(_('PDF file'), upload_to=book_upload_path('pdf'), blank=True)
+    odt_file = models.FileField(_('ODT file'), upload_to=book_upload_path('odt'), blank=True)
+    txt_file = models.FileField(_('TXT file'), upload_to=book_upload_path('txt'), blank=True)
     
     parent = models.ForeignKey('self', blank=True, null=True, related_name='children')
     
@@ -96,14 +106,14 @@ class Book(models.Model):
 
             formats = []
             if self.html_file:
-                formats.append(u'<a href="%s">Czytaj online</a>' % self.html_file.url)
+                formats.append(u'<a href="%s">Czytaj online</a>' % reverse('book_text', kwargs={'slug': self.slug}))
             if self.pdf_file:
                 formats.append(u'<a href="%s">Plik PDF</a>' % self.pdf_file.url)
             if self.odt_file:
                 formats.append(u'<a href="%s">Plik ODT</a>' % self.odt_file.url)
             
-            self._short_html = render_to_string('catalogue/book_short.html',
-                {'book': self, 'tags': tags, 'formats': formats})
+            self._short_html = unicode(render_to_string('catalogue/book_short.html',
+                {'book': self, 'tags': tags, 'formats': formats}))
             self.save()
             return mark_safe(self._short_html)
     
@@ -135,7 +145,8 @@ class Book(models.Model):
         
         # Read book metadata
         book_info = dcparser.parse(xml_file)
-        book = Book(title=book_info.title, slug=slughifi(book_info.title))
+        book_base, book_slug = book_info.url.rsplit('/', 1)
+        book = Book(title=book_info.title, slug=book_slug)
         book.save()
         
         book_tags = []
@@ -145,17 +156,21 @@ class Book(models.Model):
             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()
+            tag, created = Tag.objects.get_or_create(slug=slughifi(tag_name))
+            if created:
+                tag.name = tag_name
+                tag.sort_key = slughifi(tag_sort_key)
+                tag.category = category
+                tag.save()
             book_tags.append(tag)
         book.tags = book_tags
         
         if hasattr(book_info, 'parts'):
-            for part_url in book_info.parts:
+            for part_url, n in enumerate(book_info.parts):
                 base, slug = part_url.rsplit('/', 1)
                 child_book = Book.objects.get(slug=slug)
                 child_book.parent = book
+                child_book.parent_number = n
                 child_book.save()
         
         # Save XML and HTML files
@@ -174,13 +189,19 @@ class Book(models.Model):
             if (len(MarkupString(text)) > 240):
                 short_text = unicode(MarkupString(text)[:160])
             new_fragment = Fragment(text=text, short_text=short_text, anchor=fragment.id, book=book)
-                
-            theme_names = [s.strip() for s in fragment.themes.split(',')]
+            
+            try:
+                theme_names = [s.strip() for s in fragment.themes.split(',')]
+            except AttributeError:
+                continue
             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()
+                tag, created = Tag.objects.get_or_create(slug=slughifi(theme_name))
+                if created:
+                    tag.name = theme_name
+                    tag.sort_key = slughifi(theme_name)
+                    tag.category = 'theme'
+                    tag.save()
                 themes.append(tag)
             new_fragment.save()
             new_fragment.tags = list(book.tags) + themes
@@ -207,7 +228,7 @@ class Fragment(models.Model):
     text = models.TextField()
     short_text = models.TextField(editable=False)
     _short_html = models.TextField(editable=False)
-    anchor = models.IntegerField()
+    anchor = models.CharField(max_length=120)
     book = models.ForeignKey(Book, related_name='fragments')
 
     objects = models.Manager()
@@ -221,11 +242,14 @@ class Fragment(models.Model):
             book_authors = [u'<a href="%s">%s</a>' % (tag.get_absolute_url(), tag.name) 
                 for tag in self.book.tags if tag.category == 'author']
             
-            self._short_html = render_to_string('catalogue/fragment_short.html',
-                {'fragment': self, 'book': self.book, 'book_authors': book_authors})
+            self._short_html = unicode(render_to_string('catalogue/fragment_short.html',
+                {'fragment': self, 'book': self.book, 'book_authors': book_authors}))
             self.save()
             return mark_safe(self._short_html)
-        
+    
+    def get_absolute_url(self):
+        return '%s#m%s' % (self.book.html_file.url, self.anchor)
+    
     class Meta:
         ordering = ('book', 'anchor',)
         verbose_name = _('fragment')