fix alerts

rowers/models.py

@@ -1452,6 +1452,12 @@ class Alert(models.Model):
     boattype = models.CharField(choices=mytypes.boattypes, max_length=50,
                                 verbose_name='Boat Type', default='1x')
 
+    def save(self, *args, **kwargs):
+        if self.next_run > datetime.date.today()+datetime.timedelta(days=self.period):
+            self.next_run = datetime.date.today()+datetime.timedelta(days=self.period)
+        super(Alert, self).save(*args, **kwargs)
+
+
     def __str__(self):
         metricdict = {key: value for (key, value) in parchoicesy1}
         stri = u'Alert {name} on {metric} for {workouttype} - running on {first_name} every {period} days'.format(