Inform OpenGraph tags (specialy for Facebook share)

1 files changed, 34 insertions, 12 deletions

diff --git a/chimere/models.py b/chimere/models.py
index f08ff7a..d4b3219 100644
--- a/chimere/models.py
+++ b/chimere/models.py
@@ -634,6 +634,31 @@ class GeographicItem(models.Model):
     def geometry(self):
         return getattr(self, self.geom_attr).wkt
 
+    def text_description(self):
+        """
+        Convert the html description into a text description
+        """
+        if not hasattr(self, 'description'):
+            return ""
+        soup = BeautifulSoup(self.description)
+        # kill all script and style elements
+        for script in soup(["script", "style"]):
+            script.extract()  # rip it out
+
+        # get text
+        text = soup.get_text()
+
+        # break into lines and remove leading and trailing space on each
+        lines = (line.strip() for line in text.splitlines())
+        # break multi-headlines into a line each
+        chunks = (phrase.strip() for line in lines for phrase in
+                  line.split("  "))
+        # drop blank lines
+        text = '\n'.join(chunk for chunk in chunks if chunk)
+        # drop line breaks
+        text = text.replace('\n', ' ')
+        return text
+
     def _get_geom_item_fk_name(self):
         geom_attr = self.geom_attr
         return GEOM_TO_GEOM_ITEM[geom_attr].lower()
@@ -765,6 +790,12 @@ class GeographicItem(models.Model):
                  for pict in self.pictures.all()]
         return picts
 
+    @property
+    def image(self):
+        if not self.pictures.count():
+            return
+        return self.pictures.order_by('pk').all()[0]
+
     def get_full_dict(self):
         dct = {}
         # get all property even the one not displayed
@@ -851,6 +882,7 @@ class Marker(GeographicItem):
     is_front_page = models.NullBooleanField(_("Is front page"), blank=True,
                                             null=True)
     objects = models.GeoManager()
+    geom_attr = 'point'
 
     class Meta:
         ordering = ('status', 'name')
@@ -884,10 +916,6 @@ class Marker(GeographicItem):
     def short_desc(self):
         return shortify(self.description)
 
-    @property
-    def geom_attr(self):
-        return 'point'
-
     def getLatitude(self):
         """
         Return the latitude
@@ -1086,15 +1114,12 @@ class Polygon(GeographicItem):
         _("Inner color"), max_length=200,
         help_text=_("HTML code/name"), blank=True, null=True)
     objects = models.GeoManager()
+    geom_attr = 'polygon'
 
     class Meta:
         ordering = ('status', 'name')
         verbose_name = _("Polygon")
 
-    @property
-    def geom_attr(self):
-        return 'polygon'
-
     def getGeoJSON(self, color="#000", inner_color='#0F0'):
         '''Return a GeoJSON string
         '''
@@ -1543,15 +1568,12 @@ class Route(GeographicItem):
         _("Color"), max_length=200, help_text=_("HTML code/name"),
         blank=True, null=True)
     objects = models.GeoManager()
+    geom_attr = 'route'
 
     class Meta:
         ordering = ('status', 'name')
         verbose_name = _("Route")
 
-    @property
-    def geom_attr(self):
-        return 'route'
-
     def getGeoJSON(self, color="#000"):
         '''Return a GeoJSON string
         '''