Made short text fragment text shorter.

[wolnelektury.git] / catalogue / models.py

diff --git a/catalogue/models.py b/catalogue/models.py
index 4c6e154..c82cf43 100644 (file)
--- a/catalogue/models.py
+++ b/catalogue/models.py
@@ -129,6 +129,8 @@ class Book(models.Model):
         from tempfile import NamedTemporaryFile
         from slughifi import slughifi
         import dcparser
+        from markupstring import MarkupString
+        import re
         
         # Read book metadata
         book_info = dcparser.parse(xml_file)
@@ -159,8 +161,11 @@ 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)
+            text = fragment.to_string()
+            short_text = ''
+            if (len(re.sub(r'</?.*?>', '', text)) > 240):
+                short_text = 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(',')]
             themes = []
@@ -191,14 +196,27 @@ class Book(models.Model):
 
 
 class Fragment(models.Model):
-    html = models.TextField()
-    short_html = models.TextField()
+    text = models.TextField()
+    short_text = models.TextField(editable=False)
+    _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')