[Findit] Refactoring WfTryJobData into BaseTryJobData, WfTryJobData, and FlakeTryJobData

appengine/findit/model/base_try_job_data.py

+# 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.
+
+from google.appengine.ext import ndb
+
+
+class BaseTryJobData(ndb.Model):
+  """Represents a tryjob's metadata."""
+  # When the try job completed.
+  end_time = ndb.DateTimeProperty(indexed=True)
+
+  # Error message and reason, if any.
+  error = ndb.JsonProperty(indexed=False)
+
+  # Error code if anything went wrong with the try job.
+  error_code = ndb.IntegerProperty(indexed=True)
+
+  # The last buildbucket build response received.
+  last_buildbucket_response = ndb.JsonProperty(indexed=False, compressed=True)
+
+  # When the try job was created.
+  request_time = ndb.DateTimeProperty(indexed=True)
+
+  # When the try job began executing.
+  start_time = ndb.DateTimeProperty(indexed=True)
+
+  # The url to the try job build page.
+  try_job_url = ndb.StringProperty(indexed=False)
+
+  # An ndb key to the try job entity this data is associated with.
+  try_job_key = ndb.KeyProperty(indexed=False)