added course distance to database

rowers/models.py

@@ -866,17 +866,23 @@ timezones = (
 
 class GeoCourse(models.Model):
     manager = models.ForeignKey(Rower)
+    distance = models.IntegerField(default=0)
     name = models.CharField(max_length=150,blank=True)
     country = models.CharField(max_length=150,blank=True)
     notes = models.CharField(blank=True,max_length=200,verbose_name='Course Notes')
     def __unicode__(self):
         name = self.name
         country = self.country
+        d = self.distance
+        if d == 0:
+            self.distance = course_length(self)
+            self.save()
+            d = self.distance
         
         return u'{country} - {name} - {d}m'.format(
             name=name,
             country=country,
-            d = course_length(self)
+            d = d,
         )
 
 class GeoCourseEditForm(ModelForm):
@@ -1163,7 +1169,7 @@ class PlannedSession(models.Model):
             self.criterium = 'none'
             if self.course == None:
                 self.course = GeoCourse.objects.all()[0]
-            self.sessionvalue = course_length(self.course)
+            self.sessionvalue = self.course.distance
         elif self.sessiontype != 'coursetest' and self.sessiontype != 'race':
             self.course = None