[Findit] Datamodel change for triaging at CL level.

appengine/findit/model/base_suspected_cl.py

Index: appengine/findit/model/base_suspected_cl.py
diff --git a/appengine/findit/model/wf_suspected_cl.py b/appengine/findit/model/base_suspected_cl.py
similarity index 61%
copy from appengine/findit/model/wf_suspected_cl.py
copy to appengine/findit/model/base_suspected_cl.py
index 4c4caac1f1d715c584f5a98b7dec0722bcb02340..7a6862ddf8dc8f007dd3eacd67d872019d6e4c06 100644
--- a/appengine/findit/model/wf_suspected_cl.py
+++ b/appengine/findit/model/base_suspected_cl.py
@@ -5,11 +5,8 @@
 from google.appengine.ext import ndb
 
 
-class WfSuspectedCL(ndb.Model):
-  """Represents suspected cl that causes failures on Chromium waterfall builds.
-
-  'Wf' is short for waterfall.
-  """
+class BaseSuspectedCL(ndb.Model):
+  """Represents base information about a suspected cl."""
 
   # Repo or project name of the suspected CL, eg: chromium, etc.
   repo_name = ndb.StringProperty(indexed=True)
@@ -21,17 +18,11 @@ class WfSuspectedCL(ndb.Model):
   # Might not be available for some repo.
   commit_position = ndb.IntegerProperty(indexed=False)
 
-  # The list of builds in which the suspected CL caused some breakage.
-  builds = ndb.JsonProperty(indexed=False)
-
-  # Is the suspected CL the culprit or not.
-  is_culprit = ndb.BooleanProperty(indexed=True, default=None)
-
-  # From which approach do we get this suspected CL: HEURISTIC, TRY_JOB or BOTH.
-  approach = ndb.IntegerProperty(indexed=True)
+  # Time when the CL was identified as a suspect for the first time.
+  identified_time = ndb.DateTimeProperty(indexed=False)
 
-  # Failure type: failure_type.COMPILE or failure_type.TEST.
-  failure_type = ndb.IntegerProperty(indexed=True)
+  # Time when the CL was updated.
+  updated_time = ndb.DateTimeProperty(indexed=True)
 
   @property
   def project_name(self):
@@ -47,9 +38,8 @@ class WfSuspectedCL(ndb.Model):
     instance.repo_name = repo_name
     instance.revision = revision
     instance.commit_position = commit_position
-    instance.builds = []
     return instance
 
   @classmethod
   def Get(cls, repo_name, revision):  # pragma: no cover
-    return cls._CreateKey(repo_name, revision).get()
+    return cls._CreateKey(repo_name, revision).get()