more foundation work for scoring

rowers/models.py

@@ -2196,6 +2196,10 @@ from django.core.validators import RegexValidator,validate_email
 
 class StandardCollection(models.Model):
     name = models.CharField(max_length=150)
+    manager = models.ForeignKey(User, null=True,on_delete=models.CASCADE)
+
+    def __str__(self):
+        return self.name
 
 class CourseStandard(models.Model):
     name = models.CharField(max_length=150)
@@ -2211,6 +2215,14 @@ class CourseStandard(models.Model):
     skillclass = models.CharField(max_length=150)
     standardcollection = models.ForeignKey(StandardCollection,on_delete=models.CASCADE)
 
+    class Meta:
+        unique_together = ('name','sex','agemin',
+                           'agemax','boatclass','boattype','weightclass','adaptiveclass',
+                           'skillclass','standardcollection')
+
+    def __str__(self):
+        return self.name
+
 registerchoices = (
     ('windowstart','Start of challenge Window'),
     ('windowend','End of challenge Window'),