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Added resource history support

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This commit is contained in:
Marc Aymerich 2015-07-16 13:07:15 +00:00
parent 7401db390f
commit 48a19d8be9
8 changed files with 219 additions and 38 deletions
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2
TODO.md
View file

@ -423,3 +423,5 @@ Colaesce('total', 'computed_total')
Case
# case on payment transaction state ? case when trans.amount >
# Yield multiple values on historic filter on all aggregators

2
orchestra/contrib/payments/settings.py
View file

@ -1,3 +1,5 @@
from django.utils.translation import ungettext, ugettext, ugettext_lazy as _
from orchestra.contrib.settings import Setting
from .. import payments

28
orchestra/contrib/resources/actions.py
View file

@ -1,5 +1,5 @@
from django.core.urlresolvers import reverse
from django.shortcuts import redirect
from django.shortcuts import redirect, render
from django.utils.safestring import mark_safe
from django.utils.translation import ungettext, ugettext_lazy as _
@ -38,3 +38,29 @@ def run_monitor(modeladmin, request, queryset):
if referer:
return redirect(referer)
run_monitor.url_name = 'monitor'
def history(modeladmin, request, queryset):
resources = {}
for data in queryset:
resource = data.resource
total = 0
totals = {}
for dataset in data.get_monitor_datasets():
for date, dataset in resource.aggregation_instance.historic_filter(dataset):
usage = resource.aggregation_instance.compute_usage(dataset)
if usage is not None:
try:
totals[date] += usage
except KeyError:
totals[date] = usage
scale = resource.get_scale()
for date, total in totals.items():
totals[date] = float(total)/scale
totals = list(sorted(totals.items()))
resources[data] = totals
context = {
'resources': resources,
}
return render(request, 'admin/resources/resourcedata/report.html', context)
history.url_name = 'history'

20
orchestra/contrib/resources/admin.py
View file

@ -17,7 +17,7 @@ from orchestra.core import services
from orchestra.utils import db, sys
from orchestra.utils.functional import cached
from .actions import run_monitor
from .actions import run_monitor, history
from .filters import ResourceDataListFilter
from .forms import ResourceForm
from .models import Resource, ResourceData, MonitorData
@ -109,7 +109,7 @@ class ResourceDataAdmin(ExtendedModelAdmin):
)
search_fields = ('object_id',)
readonly_fields = fields
actions = (run_monitor,)
actions = (run_monitor, history)
change_view_actions = actions
ordering = ('-updated_at',)
list_select_related = ('resource__content_type',)
@ -117,7 +117,7 @@ class ResourceDataAdmin(ExtendedModelAdmin):
resource_link = admin_link('resource')
content_object_link = admin_link('content_object')
content_object_link.admin_order_field = None
content_object_link.admin_order_field = 'object_id'
display_updated = admin_date('updated_at', short_description=_("Updated"))
def get_urls(self):
@ -170,8 +170,10 @@ class MonitorDataAdmin(ExtendedModelAdmin):
resource_data = query_string.get('resource_data')
if resource_data:
data = ResourceData.objects.get(pk=int(resource_data[0]))
resource = data.resource
ids = []
for dataset in data.get_monitor_datasets():
dataset = resource.aggregation_instance.filter(dataset)
if isinstance(dataset, MonitorData):
ids.append(dataset.id)
else:
@ -242,7 +244,7 @@ def resource_inline_factory(resources):
fields = (
'verbose_name', 'display_used', 'display_updated', 'allocated', 'unit',
)
readonly_fields = ('display_used', 'display_updated')
readonly_fields = ('display_used', 'display_updated',)
class Media:
css = {
@ -253,11 +255,15 @@ def resource_inline_factory(resources):
def display_used(self, data):
update_link = ''
history_link = ''
if data.pk:
url = reverse('admin:resources_resourcedata_monitor', args=(data.pk,))
update_link = '<a href="%s"><strong>%s</strong></a>' % (url, ugettext("Update"))
update_url = reverse('admin:resources_resourcedata_monitor', args=(data.pk,))
update_link = '<a href="%s"><strong>%s</strong></a>' % (update_url, _("Update"))
history_url = reverse('admin:resources_resourcedata_history', args=(data.pk,))
popup = 'onclick="return showAddAnotherPopup(this);"'
history_link = '<a href="%s" %s>%s</a>' % (history_url, popup, _("History"))
if data.used is not None:
return '%s %s %s' % (data.used, data.resource.unit, update_link)
return ' '.join(map(str, (data.used, data.resource.unit, update_link, history_link)))
return _("Unknonw %s") % update_link
display_used.short_description = _("Used")
display_used.allow_tags = True

101
orchestra/contrib/resources/aggregations.py
View file

@ -1,6 +1,8 @@
import copy
import datetime
import decimal
from dateutil.relativedelta import relativedelta
from django.utils import timezone
from django.utils.translation import ugettext_lazy as _
@ -13,6 +15,10 @@ class Aggregation(plugins.Plugin, metaclass=plugins.PluginMount):
""" Filter the dataset to get the relevant data according to the period """
raise NotImplementedError
def historic_filter(self, dataset):
""" Generates (date, dataset) tuples for resource data history reporting """
raise NotImplementedError
def compute_usage(self, dataset):
""" given a dataset computes its usage according to the method (avg, sum, ...) """
raise NotImplementedError
@ -23,11 +29,30 @@ class Last(Aggregation):
name = 'last'
verbose_name = _("Last value")
def filter(self, dataset):
try:
return dataset.order_by('object_id', '-id').distinct('monitor')
except dataset.model.DoesNotExist:
return dataset.none()
def filter(self, dataset, date=None):
dataset = dataset.order_by('object_id', '-id').distinct('monitor')
if date is not None:
dataset = dataset.filter(created_at__lte=date)
return dataset
def historic_filter(self, dataset):
yield (timezone.now(), self.filter(dataset))
now = timezone.now()
date = datetime.datetime(
year=now.year,
month=now.month,
day=1,
tzinfo=timezone.utc,
)
while True:
dataset_copy = copy.copy(dataset)
dataset_copy = self.filter(dataset_copy, date=date)
try:
dataset_copy[0]
except IndexError:
raise StopIteration
yield (date, dataset_copy)
date -= relativedelta(months=1)
def compute_usage(self, dataset):
values = dataset.values_list('value', flat=True)
@ -41,30 +66,50 @@ class MonthlySum(Last):
name = 'monthly-sum'
verbose_name = _("Monthly Sum")
def filter(self, dataset):
today = timezone.now()
def filter(self, dataset, date=None):
if date is None:
date = timezone.now()
return dataset.filter(
created_at__year=today.year,
created_at__month=today.month
created_at__year=date.year,
created_at__month=date.month,
)
def historic_filter(self, dataset):
now = timezone.now()
date = datetime.datetime(
year=now.year,
month=now.month,
day=1,
tzinfo=timezone.utc,
)
while True:
dataset_copy = copy.copy(dataset)
dataset_copy = self.filter(dataset_copy, date=date)
try:
dataset_copy[0]
except IndexError:
raise StopIteration
yield (date, dataset_copy)
date -= relativedelta(months=1)
class MonthlyAvg(MonthlySum):
""" sum of the monthly averages of each monitor """
name = 'monthly-avg'
verbose_name = _("Monthly AVG")
def filter(self, dataset):
qs = super(MonthlyAvg, self).filter(dataset)
def filter(self, dataset, date=None):
qs = super(MonthlyAvg, self).filter(dataset, date=date)
return qs.order_by('created_at')
def get_epoch(self):
today = timezone.now()
return datetime(
year=today.year,
month=today.month,
def get_epoch(self, date=None):
if date is None:
date = timezone.now()
return datetime.datetime(
year=date.year,
month=date.month,
day=1,
tzinfo=timezone.utc
tzinfo=timezone.utc,
)
def compute_usage(self, dataset):
@ -75,7 +120,7 @@ class MonthlyAvg(MonthlySum):
last = dataset[-1]
except IndexError:
continue
epoch = self.get_epoch()
epoch = self.get_epoch(date=last.created_at)
total = (last.created_at-epoch).total_seconds()
ini = epoch
for data in dataset:
@ -94,10 +139,18 @@ class Last10DaysAvg(MonthlyAvg):
verbose_name = _("Last 10 days AVG")
days = 10
def get_epoch(self):
today = timezone.now()
return today - datetime.timedelta(days=self.days)
def get_epoch(self, date=None):
if date is None:
date = timezone.now()
return date - datetime.timedelta(days=self.days)
def filter(self, dataset):
epoch = self.get_epoch()
return dataset.filter(created_at__gt=epoch).order_by('created_at')
def filter(self, dataset, date=None):
epoch = self.get_epoch(date=date)
dataset = dataset.filter(created_at__gt=epoch).order_by('created_at')
if date is not None:
dataset = dataset.filter(created_at__lte=date)
return dataset
def historic_filter(self, dataset):
yield (timezone.now(), self.filter(dataset))
yield from super(Last10DaysAvg, self).historic_filter(dataset)

9
orchestra/contrib/resources/models.py
View file

@ -209,6 +209,7 @@ class ResourceData(models.Model):
total = 0
has_result = False
for dataset in self.get_monitor_datasets():
dataset = resource.aggregation_instance.filter(dataset)
usage = resource.aggregation_instance.compute_usage(dataset)
if usage is not None:
has_result = True
@ -237,7 +238,7 @@ class ResourceData(models.Model):
dataset = MonitorData.objects.filter(
monitor=monitor,
content_type=self.content_type_id,
object_id=self.object_id
object_id=self.object_id,
)
else:
fields = '__'.join(path)
@ -248,11 +249,9 @@ class ResourceData(models.Model):
dataset = MonitorData.objects.filter(
monitor=monitor,
content_type=ct,
object_id__in=pks
object_id__in=pks,
)
datasets.append(
resource.aggregation_instance.filter(dataset)
)
datasets.append(dataset)
return datasets

82
orchestra/contrib/resources/templates/admin/resources/resourcedata/report.html Normal file
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@ -0,0 +1,82 @@
{% load i18n utils %}
<html>
<head>
<title>Transaction Report</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<script src="/static/orchestra/js/Chart.min.js"></script>
<style type="text/css">
@page {
size: 11.69in 8.27in;
}
h3 {
font-family: sans;
font-size: 13px;
}
table {
max-width: 10in;
font-family: sans;
font-size: 10px;
}
table tr:nth-child(even) {
background-color: #eee;
}
table tr:nth-child(odd) {
background-color: #fff;
}
table th {
color: white;
background-color: grey;
}
.item.column-created, .item.column-updated {
text-align: center;
}
.item.column-amount {
text-align: right;
}
.footnote {
font-family: sans;
font-size: 10px;
}
</style>
</head>
<body>
{% for data, totals in resources.items %}
<h3>{{ data.resource.get_verbose_name }} {{ data.content_object }} - {{ data.resource.aggregation_instance.verbose_name }}</h3>
<canvas id="chart-{{ data.id }}" width="600" height="400"></canvas>
<script>
// bar chart data
var barData = {
labels : [{% for date, total in totals %}"{{ date|date }}"{% if not forloop.last %},{% endif %}{% endfor %}],
datasets : [
{
fillColor : "#48A497",
strokeColor : "#48A4D1",
data : [{% for date, total in totals %}{{ total|floatformat:3 }}{% if not forloop.last %},{% endif %}{% endfor %}]
}
]
}
var income = document.getElementById("chart-{{ data.id }}").getContext("2d");
var options = {
scaleLabel: "<%=value%> {{ data.resource.unit }}",
}
new Chart(income).Bar(barData, options);
</script>
<table id="summary">
<tr class="header">
<th class="title column-name">{% trans "Date" %}</th>
<th class="title column-active">{% trans "Used" %}</th>
</tr>
{% for date, total in totals %}
<tr>
<td class="item column-name">{{ date|date }}</td>
<td class="item column-amount">{{ total|floatformat:3 }} {{ data.resource.unit }}</td>
</tr>
{% endfor %}
</table>
{% endfor %}
</body>
</html>

11
orchestra/static/orchestra/js/Chart.min.js vendored Normal file
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