not sure if this works

rowers/models.py

@@ -386,7 +386,6 @@ class TeamInviteForm(ModelForm):
 
             
 
-        
 
 class TeamRequest(models.Model):
     team = models.ForeignKey(Team)
@@ -633,6 +632,8 @@ class PaidPlan(models.Model):
             paymentprocessor = self.paymentprocessor,
             )
 
+class CoachingGroup(models.Model):
+    pass
     
 # Extension of User with rowing specific data
 class Rower(models.Model):
@@ -832,7 +833,8 @@ class Rower(models.Model):
     
     # Friends/Team
     friends = models.ManyToManyField("self",blank=True)
-    coaches = models.ManyToManyField("self",blank=True)
+    mycoachgroup = models.ForeignKey(CoachingGroup,related_name='coachingrole',null=True)
+    coachinggroups = models.ManyToManyField(CoachingGroup,related_name='coaches')
     privacy  = models.CharField(default='visible',max_length=30,
                                 choices=privacychoices)
 
@@ -870,6 +872,19 @@ class DeleteUserForm(forms.ModelForm):
         model = User
         fields = []
 
+# requestor is user
+class CoachRequest(models.Model):
+    coach = models.ForeignKey(Rower)
+    user = models.ForeignKey(User,null=True)
+    issuedate = models.DateField(default=current_day)
+    code = models.CharField(max_length=150,unique=True)
+
+# requestor is coach
+class CoachOffer(models.Model):
+    coach = models.ForeignKey(Rower)
+    user = models.ForeignKey(User,null=True)
+    issuedate = models.DateField(default=current_day)
+    code = models.CharField(max_length=150,unique=True)
 
 from django.db.models.signals import m2m_changed
         
@@ -988,7 +1003,7 @@ def checkworkoutuser(user,workout):
         return False
     try:
 	r = Rower.objects.get(user=user)
-        coaches = user.rower.coaches.filter(rowerplan='coach')
+        coaches = rower_get_coaches(user.rower)
         if workout.user == r:
             return True
         elif coaches:
@@ -1007,7 +1022,7 @@ def checkaccessuser(user,rower):
         r = Rower.objects.get(user=user)
         if rower == r:
             return True
-        coaches = rower.coaches.filter(rowerplan='coach')
+        coaches = rower_get_coaches(rower)
         if coaches:
             for coach in coaches:
                 if user.rower == coach:
@@ -3434,3 +3449,4 @@ class PlannedSessionCommentForm(ModelForm):
 	    'comment': forms.Textarea,
 	    }
 
+