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Add basic dashboard page for TempMon

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only the older jQuery theme is supported for now...
This commit is contained in:
Lance Edgar 2020-04-04 19:33:47 -05:00
parent 0fbc8c9247
commit d2c4791611
11 changed files with 375 additions and 1 deletions
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3
tailbone/views/tempmon/__init__.py
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@ -2,7 +2,7 @@
################################################################################
#
# Rattail -- Retail Software Framework
# Copyright © 2010-2018 Lance Edgar
# Copyright © 2010-2020 Lance Edgar
#
# This file is part of Rattail.
#
@ -34,3 +34,4 @@ def includeme(config):
config.include('tailbone.views.tempmon.clients')
config.include('tailbone.views.tempmon.probes')
config.include('tailbone.views.tempmon.readings')
config.include('tailbone.views.tempmon.dashboard')

162
tailbone/views/tempmon/dashboard.py Normal file
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@ -0,0 +1,162 @@
# -*- coding: utf-8; -*-
################################################################################
#
# Rattail -- Retail Software Framework
# Copyright © 2010-2020 Lance Edgar
#
# This file is part of Rattail.
#
# Rattail is free software: you can redistribute it and/or modify it under the
# terms of the GNU General Public License as published by the Free Software
# Foundation, either version 3 of the License, or (at your option) any later
# version.
#
# Rattail is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# Rattail. If not, see <http://www.gnu.org/licenses/>.
#
################################################################################
"""
Tempmon "Dashboard" View
"""
from __future__ import unicode_literals, absolute_import
import datetime
from rattail.time import localtime, make_utc
from rattail_tempmon.db import model as tempmon
from webhelpers2.html import tags
from tailbone.views import View
from tailbone.db import TempmonSession
class TempmonDashboardView(View):
"""
Dashboard view for tempmon
"""
session_key = 'tempmon.dashboard.appliance_uuid'
def dashboard(self):
use_buefy = self.get_use_buefy()
if self.request.method == 'POST':
appliance = None
uuid = self.request.POST.get('appliance_uuid')
if uuid:
appliance = TempmonSession.query(tempmon.Appliance).get(uuid)
if appliance:
self.request.session[self.session_key] = appliance.uuid
if not appliance:
self.request.session.flash("Appliance could not be found: {}".format(uuid), 'error')
raise self.redirect(self.request.current_route_url())
selected_uuid = self.request.params.get('appliance_uuid')
selected_appliance = None
if not selected_uuid:
selected_uuid = self.request.session.get(self.session_key)
if not selected_uuid:
# must declare the "first" appliance selected
selected_appliance = TempmonSession.query(tempmon.Appliance)\
.order_by(tempmon.Appliance.name)\
.first()
if selected_appliance:
selected_uuid = selected_appliance.uuid
self.request.session[self.session_key] = selected_uuid
if not selected_appliance and selected_uuid:
selected_appliance = TempmonSession.query(tempmon.Appliance)\
.get(selected_uuid)
appliances = TempmonSession.query(tempmon.Appliance)\
.order_by(tempmon.Appliance.name)\
.all()
appliance_options = tags.Options([
tags.Option(appliance.name, appliance.uuid)
for appliance in appliances])
if use_buefy:
appliance_select = None
raise NotImplementedError
else:
appliance_select = tags.select('appliance_uuid', selected_uuid, appliance_options)
return {
'index_url': self.request.route_url('tempmon.appliances'),
'index_title': "TempMon Appliances",
'use_buefy': use_buefy,
'appliance_select': appliance_select,
'appliance': selected_appliance,
}
def readings(self):
# track down the requested appliance
uuid = self.request.params.get('appliance_uuid')
if not uuid:
return {'error': "Must specify valid appliance_uuid"}
appliance = TempmonSession.query(tempmon.Appliance).get(uuid)
if not appliance:
return {'error': "Must specify valid appliance_uuid"}
# remember which appliance was shown last
self.request.session[self.session_key] = appliance.uuid
# fetch all "current" (recent) readings for all connected probes
probes = []
cutoff = make_utc() - datetime.timedelta(seconds=7200) # 2 hours ago
for probe in appliance.probes:
probes.append({
'uuid': probe.uuid,
'description': probe.description,
'location': probe.location,
'enabled': str(probe.enabled) if probe.enabled else None,
'readings': self.get_probe_readings(probe, cutoff),
})
return {'probes': probes}
def get_probe_readings(self, probe, cutoff):
# figure out which readings we need to graph
readings = TempmonSession.query(tempmon.Reading)\
.filter(tempmon.Reading.probe == probe)\
.filter(tempmon.Reading.taken >= cutoff)\
.order_by(tempmon.Reading.taken)\
.all()
# convert readings to data for scatter plot
return [{
'x': localtime(self.rattail_config, reading.taken, from_utc=True).isoformat(),
'y': float(reading.degrees_f),
} for reading in readings]
@classmethod
def defaults(cls, config):
cls._defaults(config)
@classmethod
def _defaults(cls, config):
# dashboard
config.add_tailbone_permission('tempmon.appliances', 'tempmon.appliances.dashboard',
"View the Tempmon Appliance \"Dashboard\" page")
config.add_route('tempmon.dashboard', '/tempmon/dashboard',
request_method=('GET', 'POST'))
config.add_view(cls, attr='dashboard', route_name='tempmon.dashboard',
renderer='/tempmon/dashboard.mako')
# readings
config.add_route('tempmon.dashboard.readings', '/tempmon/dashboard/readings',
request_method='GET')
config.add_view(cls, attr='readings', route_name='tempmon.dashboard.readings',
renderer='json')
def includeme(config):
TempmonDashboardView.defaults(config)