1 files changed, 58 insertions, 0 deletions
diff --git a/WebKitTools/QueueStatusServer/model/activeworkitems.py b/WebKitTools/QueueStatusServer/model/activeworkitems.py
new file mode 100644
index 0000000..e24e6ca
--- /dev/null
+++ b/WebKitTools/QueueStatusServer/model/activeworkitems.py
@@ -0,0 +1,58 @@
+# Copyright (C) 2010 Google Inc. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+from google.appengine.ext import db
+
+from datetime import timedelta
+import time
+
+
+class ActiveWorkItems(db.Model):
+    queue_name = db.StringProperty()
+    item_ids = db.ListProperty(int)
+    item_dates = db.ListProperty(float)
+    date = db.DateTimeProperty(auto_now_add=True)
+
+    def deactivate_expired(self, now):
+        one_hour_ago = time.mktime((now - timedelta(minutes=60)).timetuple())
+        nonexpired_item_ids = []
+        nonexpired_item_dates = []
+        for i in range(len(self.item_ids)):
+            if self.item_dates[i] > one_hour_ago:
+                nonexpired_item_ids.append(self.item_ids[i])
+                nonexpired_item_dates.append(self.item_dates[i])
+        self.item_ids = nonexpired_item_ids
+        self.item_dates = nonexpired_item_dates
+
+    def next_item(self, work_item_ids, now):
+        for item_id in work_item_ids:
+            if item_id not in self.item_ids:
+                self.item_ids.append(item_id)
+                self.item_dates.append(time.mktime(now.timetuple()))
+                return item_id
+        return None