Added new GRB Event designation field and redshift. Plus migration.

Also added view logic and template for additional fields.

gracedb/migrations/0002_auto_20150708_1140.py

+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('gracedb', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='grbevent',
+            name='designation',
+            field=models.CharField(max_length=20, null=True),
+        ),
+        migrations.AddField(
+            model_name='grbevent',
+            name='redshift',
+            field=models.FloatField(null=True),
+        ),
+    ]

gracedb/models.py

@@ -788,6 +788,8 @@ class GrbEvent(Event):
     how_reference_url = models.URLField(null=True)
     trigger_duration = models.FloatField(null=True)
     t90 = models.FloatField(null=True)
+    designation = models.CharField(max_length=20, null=True)
+    redshift = models.FloatField(null=True)
 
 class CoincInspiralEvent(Event):
     ifos             = models.CharField(max_length=20, default="")

gracedb/views.py

@@ -838,26 +838,38 @@ def emobservation_entry(request, event, num=None):
     else:
         return HttpResponseBadRequest("This URL only supports POST.")
 
+#
+# Despite the name, this view function will handle updates to all of the 
+# hand-entered GRB data, including t90, redshift, and event designation.
+#
 @event_and_auth_required
 def modify_t90(request, event):
     if not request.method=='POST':
-        msg = 'Modify_permissions only allows POST.'
+        msg = 'This URL only allows POST.'
         return HttpResponseBadRequest(msg)
     if not isinstance(event, GrbEvent):
-        msg = 'Modify_t90 only works on GrbEvent objects.'
+        msg = 'This method only works on GrbEvent objects.'
         return HttpResponseBadRequest(msg)
     if not request.user.has_perm('gracedb.t90_grbevent'):
-        msg = "You aren't authorized to create permission objects."
+        msg = "You aren't authorized to modify GRB attributes."
         return HttpResponseForbidden(msg)
 
-    t90 = request.POST.get('t90', None)
-    if not t90:
-        msg = 'Modify_t90 requires t90 value in POST.'
+    designation = request.POST.get('designation', None)
+    redshift    = request.POST.get('redshift', None)
+    t90         = request.POST.get('t90', None)
+
+    if not (t90 or designation or redshift):
+        msg = 'This method requires one of: designation, redshift, or t90 in POST.'
         return HttpResponseBadRequest(msg)
 
-    event.t90 = t90
+    if t90:
+        event.t90 = t90
+    elif redshift:
+        event.redshift = redshift
+    elif designation:
+        event.designation = designation
     event.save()
-
+    
     # Finished. Redirect back to the event.
     return HttpResponseRedirect(reverse("view", args=[event.graceid()]))
 

templates/gracedb/event_detail_GRB.html

@@ -73,6 +73,12 @@
         {% endif %}
         {% if object.t90 %}
 		<tr><th>T90</th><td colspan="2">{{object.t90}}</td></tr>
+        {% endif %}
+        {% if object.redshift %}
+		<tr><th>Redshift</th><td colspan="2">{{object.redshift}}</td></tr>
+        {% endif %}
+        {% if object.designation %}
+		<tr><th>Event designation</th><td colspan="2">{{object.designation}}</td></tr>
         {% endif %}
 		<tr><th>Location</th><th>Coord System</th><td>{{object.coord_system}}</td></tr>
 		<tr><td></td><th width="150px">RA</th><td>{{object.ra}}</td></tr>
@@ -87,6 +93,14 @@
     <input type="text" name="t90" value="{{ object.t90 }}">
     <input type="submit" value="Update T90" class="t90ButtonClass">
 </form>
+<form action="{% url "modify_t90" object.graceid %}" method="post">
+    <input type="text" name="redshift" value="{{ object.redshift }}">
+    <input type="submit" value="Update redshift" class="t90ButtonClass">
+</form>
+<form action="{% url "modify_t90" object.graceid %}" method="post">
+    <input type="text" name="designation" value="{{ object.designation }}">
+    <input type="submit" value="Update designation" class="t90ButtonClass">
+</form>
 </div>
 {% endif %}