Tools/QueueStatusServer/handlers/updateworkitems.py

# Copyright (C) 2013 Google Inc. All rights reserved.
# Copyright (C) 2014 Apple Inc. All rights reserved.
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from google.appengine.ext import webapp, db
from google.appengine.ext.webapp import template

from handlers.updatebase import UpdateBase
from loggers.recordpatchevent import RecordPatchEvent
from model.queues import Queue
from model.workitems import WorkItems

from datetime import datetime


class UpdateWorkItems(UpdateBase):
    def get(self):
        self.response.out.write(template.render("templates/updateworkitems.html", None))

    def _parse_work_items_string(self, items_string):
        item_strings = items_string.split(" ") if items_string else []
        return map(int, item_strings)

    def _work_items_from_request(self):
        high_priority_items_string = self.request.get("high_priority_work_items")
        items_string = self.request.get("work_items")
        high_priority_work_items = self._parse_work_items_string(high_priority_items_string)
        work_items = self._parse_work_items_string(items_string)
        return high_priority_work_items, work_items

    def _queue_from_request(self):
        queue_name = self.request.get("queue_name")
        queue = Queue.queue_with_name(queue_name)
        if not queue:
            self.response.out.write("\"%s\" is not in queues %s" % (queue_name, Queue.all()))
            return None
        return queue

    def post(self):
        queue = self._queue_from_request()
        if not queue:
            self.response.set_status(500)
            return

        high_priority_items, items = self._work_items_from_request()

        # Add items that are not currently in the work queue. Never remove any items,
        # as that should be done by the queue, feeder only adds them.
        added_items = queue.work_items().add_work_items(high_priority_items, items)

        for work_item in added_items:
            RecordPatchEvent.added(work_item, queue.name())