117 lines
4.7 KiB
Python
117 lines
4.7 KiB
Python
# Copyright (c) 2014 Catalyst IT Ltd.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import datetime
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import json
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from django.template import defaultfilters
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from django.utils.translation import ugettext_lazy as _
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from horizon import exceptions
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from horizon import tables as horizon_tables
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from horizon.utils import csvbase
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from distil_ui.api import distil
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from distil_ui.content.billing import base
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from distil_ui.content.billing import tables
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class IndexCsvRenderer(csvbase.BaseCsvResponse):
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columns = [_("Resource"), _("Count"), _("Cost")]
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def get_row_data(self):
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for b in self.context['current_month']:
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yield (b.resource,
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b.count,
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defaultfilters.floatformat(b.cost, 2))
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class IndexView(horizon_tables.DataTableView):
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table_class = tables.BillingTable
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show_terminated = True
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csv_template_name = 'management/billing/billing.csv'
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template_name = 'management/billing/index.html'
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csv_response_class = IndexCsvRenderer
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def __init__(self, *args, **kwargs):
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super(IndexView, self).__init__(*args, **kwargs)
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def get_template_names(self):
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if self.request.GET.get('format', 'html') == 'csv':
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return (self.csv_template_name or
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".".join((self.template_name.rsplit('.', 1)[0], 'csv')))
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return self.template_name
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def get_content_type(self):
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if self.request.GET.get('format', 'html') == 'csv':
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return "text/csv"
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return "text/html"
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def get_data(self):
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try:
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project_id = self.kwargs.get('project_id',
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self.request.user.tenant_id)
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self.billing = base.BaseBilling(self.request, project_id)
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self.start, self.end = self.billing.get_date_range()
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distil_client = distil.distilclient(self.request)
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self.history = (distil.get_cost(self.request, distil_client))
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self.kwargs['billing'] = self.billing
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self.kwargs['current_month'] = self.history[-1][1]
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self.kwargs['history'] = self.history
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return self.history[-1][1]
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except Exception:
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exceptions.handle(self.request, _('Unable to get usage cost.'))
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return []
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def get_context_data(self, **kwargs):
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context = super(IndexView, self).get_context_data(**kwargs)
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context['table'].kwargs['billing'] = self.billing
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context['form'] = self.billing.form
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context['billing'] = self.billing
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context['current_month'] = self.history[-1][1]
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pie_data = [{"value": b.cost, "key": b.resource}
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for b in self.history[-1][1] if b.cost >= 0]
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line_data = [{"values": [{"y": m[0], "x": i}
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for i, m in enumerate(self.history)],
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"method": "Square Root Choice", "key": "Cost"}]
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chart_data = {'pie': pie_data, 'line': line_data}
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context['chart_data'] = json.dumps(chart_data)
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context['amount_cost'] = self.history[-1][0]
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context['cost_details'] = json.dumps(self.history[-1][2])
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context['x_axis_line_chart'] = self._get_x_axis_for_line_chart()
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return context
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def _get_x_axis_for_line_chart(self):
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today = datetime.date.today()
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ordered_month = ['Jan ' + str(today.year), 'Feb', 'Mar', "Apr", 'May',
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'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
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return ordered_month[today.month:] + ordered_month[:today.month]
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def render_to_response(self, context, **response_kwargs):
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if self.request.GET.get('format', 'html') == 'csv':
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render_class = self.csv_response_class
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fn_template = "usage_cost_{0}_{1}.csv"
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filename = fn_template.format(self.start.strftime('%Y-%m-%d'),
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self.end.strftime('%Y-%m-%d'))
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response_kwargs.setdefault("filename", filename)
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else:
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render_class = self.response_class
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resp = render_class(request=self.request,
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template=self.get_template_names(),
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context=context,
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content_type=self.get_content_type(),
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**response_kwargs)
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return resp
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