WIP: Add RAVEN VOEvent variant

• Add new fields to the VOEvent model here
• Add processing of these fields to the superevents API here, including validation
• Add processing and validation of these fields to the events API here
• Add new fields to the VOEvent files here
• Determine which external event needs to be included in the VOEvent
• Load in external event

gracedb/api/v1/superevents/serializers.py

@@ -575,6 +575,18 @@ class SupereventVOEventSerializer(serializers.ModelSerializer):
     MassGap = serializers.FloatField(write_only=True, min_value=0,
         max_value=1, required=False)
 
+    # Additional RAVEN fields
+    ext_gcn = serializers.CharField(required=False)
+    ext_pipeline = serializers.CharField(required=False) 
+    ext_search = serializers.CharField(required=False)
+    time_coinc_far = serializers.FloatField(write_only=True, min_value=0,
+        max_value=1000, required=False)
+    space_coinc_far = serializers.FloatField(write_only=True, min_value=0,
+        max_value=1000, required=False)
+    comb_skymap_filename = serializers.CharField(required=False)
+    delta_t = serializers.FloatField(write_only=True, min_value=-1000,
+        max_value=1000, required=False)
+
     class Meta:
         model = VOEvent
         fields = ('voevent_type', 'file_version', 'ivorn', 'created',
@@ -585,7+597,7 @@
             'prob_has_remnant', 'prob_bns', 'prob_nsbh', 'prob_bbh',
             'prob_terrestrial', 'prob_mass_gap', 'superevent', 'user')
 
     def __init__(self, *args, **kwargs):
         super(SupereventVOEventSerializer, self).__init__(*args, **kwargs)
         read_only_fields = ['file_version', 'filename', 'ivorn',
             'coinc_comment', 'prob_has_ns', 'prob_has_remnant', 'prob_bns',