1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
# Copyright (C) 2009 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.
import datetime
from google.appengine.ext import webapp
from google.appengine.ext.webapp import template
from model.queues import queues, display_name_for_queue
from model.queuestatus import QueueStatus
from model.workitems import WorkItems
class QueueBubble(object):
"""View support class for recentstatus.html"""
def __init__(self, queue_name):
self._queue_name = queue_name
self._work_items = WorkItems.all().filter("queue_name =", queue_name).get()
self._last_status = QueueStatus.all().filter("queue_name =", queue_name).order("-date").get()
def name(self):
return self._queue_name
def display_name(self):
return display_name_for_queue(self._queue_name)
def _last_status_date(self):
if not self._last_status:
return None
return self._last_status.date
def last_heard_from(self):
if not self._work_items:
return self._last_status_date()
return max(self._last_status_date(), self._work_items.date)
def is_alive(self):
if not self.last_heard_from():
return False
return self.last_heard_from() > (datetime.datetime.now() - datetime.timedelta(minutes=30))
def status_class(self):
if not self.is_alive():
return "dead"
if self.pending_items_count() > 1:
return "behind"
return "alive"
def status_text(self):
if not self._work_items:
return "Offline"
if not self._work_items.item_ids:
return "Idle"
return self._last_status.message
def pending_items_count(self):
if not self._work_items:
return 0
return len(self._work_items.item_ids)
class QueuesOverview(webapp.RequestHandler):
def get(self):
template_values = {
"queues": [QueueBubble(queue_name) for queue_name in queues],
}
self.response.out.write(template.render("templates/recentstatus.html", template_values))
|
