[Findit] Add fracas analysis result feedback page for manual triage.

appengine/findit/model/crash/crash_analysis.py

Index: appengine/findit/model/crash/crash_analysis.py
diff --git a/appengine/findit/model/crash/crash_analysis.py b/appengine/findit/model/crash/crash_analysis.py
index 59bcdf4d62f757c9f19470b8303fac6857b9a419..330b0492cb7d7b386edf2b8ce65a4ae2f62e8c77 100644
--- a/appengine/findit/model/crash/crash_analysis.py
+++ b/appengine/findit/model/crash/crash_analysis.py
@@ -1,6 +1,8 @@
 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
+import json
+import logging
 
 from google.appengine.ext import ndb
 
@@ -64,7 +66,7 @@ class CrashAnalysis(ndb.Model):
   # Triage results.
   regression_range_triage_status = ndb.StringProperty(
       indexed=True, default=triage_status.UNTRIAGED)
-  culprit_regression_range = ndb.JsonProperty(indexed=False)
+  culprit_regression_range = ndb.JsonProperty(indexed=False, default=[])
 
   suspected_cls_triage_status = ndb.StringProperty(
       indexed=True, default=triage_status.UNTRIAGED)
@@ -72,35 +74,17 @@ class CrashAnalysis(ndb.Model):
 
   suspected_project_triage_status = ndb.StringProperty(
       indexed=True, default=triage_status.UNTRIAGED)
-  culprit_project = ndb.JsonProperty(indexed=False, default=[])
+  culprit_project = ndb.StringProperty(indexed=False, default='')
 
   suspected_components_triage_status = ndb.StringProperty(
       indexed=True, default=triage_status.UNTRIAGED)
   culprit_components = ndb.JsonProperty(indexed=False, default=[])
 
-  triage_history = ndb.JsonProperty(indexed=False)
+  triage_history = ndb.JsonProperty(indexed=False, default=[])
 
   # Triage note.
   note = ndb.StringProperty(indexed=False, default='')
 
-  def ResultCorrect(self, result_property):
-    """Returns triage result of a result property.
-
-    True if the result is triaged-correct, False if triaged-incorrect, else
-    return None.
-    """
-    if not self.completed or self.failed:
-      return None
-
-    result_triage_status = getattr(self, '%s_triage_status' % result_property)
-    if result_triage_status == triage_status.TRIAGED_CORRECT:
-      return True
-
-    if result_triage_status == triage_status.TRIAGED_INCORRECT:
-      return False
-
-    return None
-
   def Reset(self):
     self.pipeline_status_path = None
     self.status = analysis_status.PENDING
@@ -112,6 +96,16 @@ class CrashAnalysis(ndb.Model):
     self.found_suspects = None
     self.solution = None
 
+  def Update(self, update):
+    try:
+      for key, value in update.iteritems():
+        setattr(self, key, value)
+
+      return True
+    except Exception:  # pragma: no cover.
+      logging.warning('Failed to update %s' % json.dumps(update))
+      return False
+
   @property
   def completed(self):
     return self.status in (