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path: root/WebKitTools/QueueStatusServer/handlers/queuestatus.py
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# 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 webapp
from google.appengine.ext.webapp import template

from model.queues import Queue

from model import queuestatus


class QueueStatus(webapp.RequestHandler):
    def _rows_for_work_items(self, queue):
        queued_items = queue.work_items()
        active_items = queue.active_work_items()
        if not queued_items:
            return []
        rows = []
        for item_id in queued_items.item_ids:
            rows.append({
                "attachment_id": item_id,
                "bug_id": 1,
                "lock_time": active_items and active_items.time_for_item(item_id),
            })
        return rows

    def get(self, queue_name):
        queue_name = queue_name.lower()
        queue = Queue.queue_with_name(queue_name)
        if not queue:
            self.error(404)
            return

        status_groups = []
        last_patch_id = None
        synthetic_patch_id_counter = 0

        statuses = queuestatus.QueueStatus.all().filter("queue_name =", queue.name()).order("-date").fetch(15)
        for status in statuses:
            patch_id = status.active_patch_id
            if not patch_id or last_patch_id != patch_id:
                status_group = []
                status_groups.append(status_group)
            else:
                status_group = status_groups[-1]
            status_group.append(status)
            last_patch_id = patch_id

        template_values = {
            "display_queue_name": queue.display_name(),
            "work_item_rows": self._rows_for_work_items(queue),
            "status_groups": status_groups,
        }
        self.response.out.write(template.render("templates/queuestatus.html", template_values))