improve dicom uploading

generic/models.py

@@ -230,6 +230,9 @@ class SeriesBase(models.Model):
         help_text="If a series should be freely available to browse", default=True
     )
 
+    created_date = models.DateTimeField(auto_now_add=True)
+    modified_date = models.DateTimeField(auto_now=True)
+
     class Meta:
         abstract = True
 
@@ -1271,6 +1274,7 @@ class UserProfile(models.Model):
         on_delete=models.CASCADE,
     )
     peninsula_trainee = models.BooleanField(default=False)
+    #affiliation = models.ForeignKey("Site", on_delete=models.SET_NULL, blank=True, null=True)
 
     def getusername(self):
         return self.user.username