changing can_coahc

rowers/models.py

@@ -1117,6 +1117,17 @@ class Rower(models.Model):
 
         return coaches
 
+    def can_coach(self):
+        if self.rowerplan not in ['coach','freecoach']:
+            return False
+
+        rs = Rower.objects.filter(coachinggroups__in=[self.mycoachgroup])
+        rekwests = CoachOffer.objects.filter(coach=self)
+        if len(rs)+len(rekwests) < self.clubsize and self.offercoaching:
+            return True
+
+        return False
+
     @property
     def ispaid(self):
         return self.rowerplan in ['pro','plan','coach']