Town: generate area

1 files changed, 11 insertions, 0 deletions

diff --git a/ishtar_common/models.py b/ishtar_common/models.py
index 703d4ccf7..14869e2a5 100644
--- a/ishtar_common/models.py
+++ b/ishtar_common/models.py
@@ -2702,6 +2702,7 @@ class Town(Imported, models.Model):
     def generate_geo(self, force=False):
         force = self.generate_limit(force=force)
         self.generate_center(force=force)
+        self.generate_area(force=force)
 
     def generate_limit(self, force=False):
         if not force and self.limit:
@@ -2734,6 +2735,16 @@ class Town(Imported, models.Model):
         self.save()
         return True
 
+    def generate_area(self, force=False):
+        if not force and (self.surface or not self.limit):
+            return
+        self.surface = self.limit.transform(settings.SURFACE_SRID,
+                                            clone=True).area
+        if not self.surface:
+            return False
+        self.save()
+        return True
+
     def _generate_cached_label(self):
         cached_label = self.name
         if settings.COUNTRY == "fr":