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

appengine/findit/model/wf_analysis.py

Index: appengine/findit/model/wf_analysis.py
diff --git a/appengine/findit/model/wf_analysis.py b/appengine/findit/model/wf_analysis.py
index 5cf2bd30c107268c8d99987eb2bb1f01a204ee50..1442057e359e8a9d056dda7b95b0b3ae1ebc290c 100644
--- a/appengine/findit/model/wf_analysis.py
+++ b/appengine/findit/model/wf_analysis.py
@@ -16,6 +16,7 @@ class WfAnalysis(BaseBuildModel):
 
   'Wf' is short for waterfall.
   """
+
   @staticmethod
   def _CreateKey(master_name, builder_name, build_number):  # pragma: no cover
     return ndb.Key('WfAnalysis',
@@ -84,6 +85,19 @@ class WfAnalysis(BaseBuildModel):
 
     return None
 
+  @property
+  def is_duplicate(self):
+    """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
@@ -155,3 +169,8 @@ class WfAnalysis(BaseBuildModel):
   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)