1 files changed, 27 insertions, 2 deletions
diff --git a/ishtar_common/models.py b/ishtar_common/models.py
index fc4cdbd17..ac2661fe1 100644
--- a/ishtar_common/models.py
+++ b/ishtar_common/models.py
@@ -29,12 +29,13 @@ from django.conf import settings
 from django.core.exceptions import ObjectDoesNotExist, ValidationError
 from django.core.files.uploadedfile import SimpleUploadedFile
 from django.core.validators import validate_slug
-from django.utils.translation import ugettext_lazy as _, ugettext
-from django.utils.safestring import SafeUnicode, mark_safe
 from django.core.urlresolvers import reverse, NoReverseMatch
 from django.db.utils import DatabaseError
 from django.db.models import Q, Max, Count
 from django.db.models.signals import post_save
+from django.utils.translation import ugettext_lazy as _, ugettext
+from django.utils.safestring import SafeUnicode, mark_safe
+from django.template.defaultfilters import slugify
 
 from django.contrib.auth.models import User
 from django.contrib.gis.db import models
@@ -376,6 +377,13 @@ class BaseHistorizedItem(models.Model):
         item.pk = self.pk
         return item
 
+    @property
+    def last_edition_date(self):
+        try:
+            return self.history.order_by('-history_date').all()[0].history_date
+        except IndexError:
+            return
+
     def rollback(self, date):
         """
         Rollback to a previous state
@@ -417,6 +425,23 @@ class BaseHistorizedItem(models.Model):
         except NoReverseMatch:
             return
 
+    @property
+    def associated_filename(self):
+        if [True for attr in ('get_town_label', 'get_department', 'reference',
+                              'short_class_name') if not hasattr(self, attr)]:
+            print  [True if  hasattr(self, attr) else False for attr in ('get_town_label', 'get_department', 'reference',
+                              'short_class_name') ]
+            return ''
+        print "yata"
+        items = [self.get_department(), self.get_town_label(),
+                 self.short_class_name, self.reference]
+        last_edition_date = self.last_edition_date
+        if last_edition_date:
+            items.append(last_edition_date.strftime('%Y%m%d'))
+        else:
+            items.append('00000000')
+        return slugify(u"-".join([unicode(item) for item in items]))
+
 class LightHistorizedItem(BaseHistorizedItem):
     history_date = models.DateTimeField(default=datetime.datetime.now)
     class Meta: