X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/26bf583a758e6d47089cc46d674991523e9b3083..6dde47a534420987b2c0e8075b10d2d569ff572f:/catalogue/models.py

diff --git a/catalogue/models.py b/catalogue/models.py
index 9f035b517..d252bbf69 100644
--- a/catalogue/models.py
+++ b/catalogue/models.py
@@ -1,9 +1,11 @@
 # -*- coding: utf-8 -*-
 from django.db import models
-from django.db.models import permalink
+from django.db.models import permalink, Q
 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.utils.safestring import mark_safe
 
 from newtagging.models import TagBase
 from newtagging import managers
@@ -71,6 +73,7 @@ class Book(models.Model):
     slug = models.SlugField(_('slug'), 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)
     
     # Formats
     xml_file = models.FileField(_('XML file'), upload_to='books/xml', blank=True)
@@ -81,6 +84,26 @@ class Book(models.Model):
     objects = managers.ModelTaggedItemManager(Tag)
     tags = managers.TagDescriptor(Tag)
     
+    def short_html(self):
+        if len(self._short_html):
+            return mark_safe(self._short_html)
+        else:
+            tags = self.tags.filter(~Q(category__in=('set', 'theme')))
+            tags = [u'<a href="%s">%s</a>' % (tag.get_absolute_url(), tag.name) for tag in tags]
+
+            formats = []
+            if self.html_file:
+                formats.append(u'<a href="%s">Czytaj online</a>' % self.html_file.url)
+            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.save()
+            return mark_safe(self._short_html)
+    
     def has_description(self):
         return len(self.description) > 0
     has_description.short_description = _('description')
@@ -107,6 +130,7 @@ class Book(models.Model):
         from slughifi import slughifi
         import dcparser
         
+        # Read book metadata
         book_info = dcparser.parse(xml_file)
         book = Book(title=book_info.title, slug=slughifi(book_info.title))
         book.save()
@@ -135,8 +159,7 @@ class Book(models.Model):
         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)
+            new_fragment = Fragment(html=fragment.to_string(), anchor=fragment.id, book=book)
                 
             theme_names = [s.strip() for s in fragment.themes.split(',')]
             themes = []
@@ -168,13 +191,25 @@ class Book(models.Model):
 
 class Fragment(models.Model):
     html = models.TextField()
-    short_html = models.TextField()
+    _short_html = models.TextField(editable=False)
     anchor = models.IntegerField()
     book = models.ForeignKey(Book, related_name='fragments')
-    
+
     objects = managers.ModelTaggedItemManager(Tag)
     tags = managers.TagDescriptor(Tag)
     
+    def short_html(self):
+        if len(self._short_html):
+            return mark_safe(self._short_html)
+        else:
+            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.save()
+            return mark_safe(self._short_html)
+        
     class Meta:
         ordering = ('book', 'anchor',)
         verbose_name = _('fragment')