[Findit] Show build analysis references in UI for Findit Cross-platform auto-triage

appengine/findit/model/wf_analysis.py

 # Copyright 2014 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.
 
 from google.appengine.ext import ndb
 
 from common import constants
 from common.waterfall import failure_type
 from model.base_build_model import BaseBuildModel
 from model import analysis_status
 from model import result_status
 
 
 class WfAnalysis(BaseBuildModel):
   """Represents an analysis of a build of a builder in a Chromium waterfall.
 
   'Wf' is short for waterfall.
   """
+
   @staticmethod
   def _CreateKey(master_name, builder_name, build_number):  # pragma: no cover
     return ndb.Key('WfAnalysis',
                    BaseBuildModel.CreateBuildId(
                        master_name, builder_name, build_number))
 
   @staticmethod
   def Create(master_name, builder_name, build_number):  # pragma: no cover
     return WfAnalysis(
         key=WfAnalysis._CreateKey(master_name, builder_name, build_number))
@@ skipping 46 matching lines @@
       return True
 
     if self.result_status in (
         result_status.FOUND_INCORRECT,
         result_status.NOT_FOUND_INCORRECT,
         result_status.FOUND_INCORRECT_DUPLICATE):
       return False
 
     return None
 
+  @property
+  def is_duplicate(self):

[lijeffrey, 2016/06/27 20:38:22]

nit: I would name this just duplicate but this is fine too, if no one else has
objections you can leave it as is

+    """Returns whether the analysis result is a duplicate or not.
+
+    Returns:
+      True: duplicate.
+      False: not a duplicate.
+    """
+
+    return self.result_status in (
+        result_status.FOUND_CORRECT_DUPLICATE,
+        result_status.FOUND_INCORRECT_DUPLICATE)
+
   def Reset(self):  # pragma: no cover
     """Resets to the state as if no analysis is run."""
     self.pipeline_status_path = None
     self.status = analysis_status.PENDING
     self.request_time = None
     self.start_time = None
     self.end_time = None
 
   @property
   def failure_type(self):
@@ skipping 51 matching lines @@
   suspected_cls = ndb.JsonProperty(indexed=False, compressed=True)
   # Record the id of try job results of each failure.
   failure_result_map = ndb.JsonProperty(indexed=False, compressed=True)
 
   # The actual culprit CLs that are responsible for the failures.
   culprit_cls = ndb.JsonProperty(indexed=False, compressed=True)
   # Conclusion of analysis result for the build failure: 'Found' or 'Not Found'.
   result_status = ndb.IntegerProperty(indexed=True)
   # Record the history of triage.
   triage_history = ndb.JsonProperty(indexed=False, compressed=True)
+  # An optional reference to the analysis that might have caused this analysis
+  # to be marked as a duplicate.
+  triage_reference_analysis_master_name = ndb.StringProperty(indexed=False)
+  triage_reference_analysis_builder_name = ndb.StringProperty(indexed=False)
+  triage_reference_analysis_build_number = ndb.IntegerProperty(indexed=False)