Added approvals

gracedb/models.py

@@ -71,6 +71,10 @@ class Group(models.Model):
         return self.name
 
 
+class Approval(models.Model):
+    approver = models.ForeignKey(User)
+    created = models.DateTimeField(auto_now_add=True)
+
 class Event(models.Model):
     ANALYSIS_TYPE_CHOICES = (
         ("LM",  "LowMass"),
@@ -88,6 +92,8 @@ class Event(models.Model):
     created = models.DateTimeField(auto_now_add=True)
     group = models.ForeignKey(Group)
     analysisType = models.CharField(max_length=20, choices=ANALYSIS_TYPE_CHOICES)
+#   ligoApproved = models.ForeignKey(Approval, null=True)
+#   virgoApproved = models.ForeignKey(Approval, null=True)
 
     def weburl(self):
         return "https://ldas-jobs.phys.uwm.edu/gracedb/data/%s" % self.uid