[Findit] Adding build model for flake try jobs

appengine/findit/model/base_try_job.py

Index: appengine/findit/model/base_try_job.py
diff --git a/appengine/findit/model/base_try_job.py b/appengine/findit/model/base_try_job.py
new file mode 100644
index 0000000000000000000000000000000000000000..ea8f0293315ec3ae325ba0f94c266ddc54d2d206
--- /dev/null
+++ b/appengine/findit/model/base_try_job.py
@@ -0,0 +1,27 @@
+# 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
+
+from model import analysis_status
+
+
+class BaseTryJob(ndb.Model):
+  """Represents a base try job result."""
+
+  # The status of the try job.
+  status = ndb.IntegerProperty(
+      default=analysis_status.PENDING, indexed=False)
+
+  # A list of try job IDs associated with each try job for collecting metadata.
+  try_job_ids = ndb.JsonProperty(indexed=False, compressed=True)
+
+  @property
+  def completed(self):
+    return self.status in (
+        analysis_status.COMPLETED, analysis_status.ERROR)
+
+  @property
+  def failed(self):
+    return self.status == analysis_status.ERROR