standards can be downloaded and deactivated

rowers/models.py

@@ -2187,6 +2187,7 @@ class StandardCollection(models.Model):
     name = models.CharField(max_length=150)
     manager = models.ForeignKey(User, null=True,on_delete=models.CASCADE)
     notes = models.CharField(blank=True,null=True,max_length=1000)
+    active = models.BooleanField(default=True)
 
     def __str__(self):
         return self.name
@@ -2207,9 +2208,10 @@ class CourseStandard(models.Model):
     standardcollection = models.ForeignKey(StandardCollection,on_delete=models.CASCADE)
 
     class Meta:
-        unique_together = ('name','sex','agemin',
-                           'agemax','boatclass','boattype','weightclass','adaptiveclass',
-                           'skillclass','standardcollection')
+        unique_together = (
+            ('name','standardcollection')
+            )
+
 
     def __str__(self):
         return self.name
@@ -2456,6 +2458,7 @@ class IndoorVirtualRaceForm(ModelForm):
         self.fields['sessionunit'].initial = 'm'
         if timezone:
             self.fields['timezone'].initial = timezone
+        self.fields['coursestandards'].queryset = StandardCollection.objects.filter(active=True)
 
     def clean(self):
         cd = self.cleaned_data
@@ -2583,6 +2586,7 @@ class VirtualRaceForm(ModelForm):
     def __init__(self,*args,**kwargs):
         super(VirtualRaceForm, self).__init__(*args, **kwargs)
         self.fields['course'].queryset = GeoCourse.objects.all().order_by("country","name")
+        self.fields['coursestandards'].queryset = StandardCollection.objects.filter(active=True)
 
 
     def clean(self):