django-orchestra/orchestra/contrib/orders/admin.py

131 lines
5.2 KiB
Python

from django.contrib import admin
from django.core.urlresolvers import reverse
from django.db.models import Prefetch
from django.utils import timezone
from django.utils.html import escape
from django.utils.safestring import mark_safe
from django.utils.translation import ugettext_lazy as _
from orchestra.admin import ExtendedModelAdmin
from orchestra.admin.utils import admin_link, admin_date
from orchestra.contrib.accounts.admin import AccountAdminMixin
from orchestra.utils.humanize import naturaldate
from .actions import BillSelectedOrders, mark_as_ignored, mark_as_not_ignored, report
from .filters import IgnoreOrderListFilter, ActiveOrderListFilter, BilledOrderListFilter
from .models import Order, MetricStorage
class MetricStorageInline(admin.TabularInline):
model = MetricStorage
readonly_fields = ('value', 'created_on', 'updated_on')
extra = 0
def has_add_permission(self, request, obj=None):
return False
def get_fieldsets(self, request, obj=None):
if obj:
url = reverse('admin:orders_metricstorage_changelist')
url += '?order=%i' % obj.pk
title = _('Metric storage, last 10 entries, <a href="%s">(See all)</a>')
self.verbose_name_plural = mark_safe(title % url)
return super(MetricStorageInline, self).get_fieldsets(request, obj)
def get_queryset(self, request):
qs = super(MetricStorageInline, self).get_queryset(request)
change_view = bool(self.parent_object and self.parent_object.pk)
if change_view:
qs = qs.order_by('-id')
try:
tenth_id = qs.values_list('id', flat=True)[9]
except IndexError:
pass
else:
return qs.filter(pk__lte=tenth_id)
return qs
class OrderAdmin(AccountAdminMixin, ExtendedModelAdmin):
list_display = (
'id', 'service_link', 'account_link', 'content_object_link',
'display_registered_on', 'display_billed_until', 'display_cancelled_on', 'display_metric'
)
list_filter = (ActiveOrderListFilter, IgnoreOrderListFilter, BilledOrderListFilter, 'service')
default_changelist_filters = (
('ignore', '0'),
)
actions = (BillSelectedOrders(), mark_as_ignored, mark_as_not_ignored, report)
change_view_actions = (BillSelectedOrders(), mark_as_ignored, mark_as_not_ignored)
date_hierarchy = 'registered_on'
inlines = (MetricStorageInline,)
add_inlines = ()
search_fields = ('account__username', 'description')
list_prefetch_related = (
'content_object',
Prefetch('metrics', queryset=MetricStorage.objects.order_by('-id')),
)
list_select_related = ('account', 'service')
service_link = admin_link('service')
content_object_link = admin_link('content_object', order=False)
display_registered_on = admin_date('registered_on')
display_cancelled_on = admin_date('cancelled_on')
def display_billed_until(self, order):
billed_until = order.billed_until
red = False
human = escape(naturaldate(billed_until))
if billed_until:
if order.cancelled_on and order.cancelled_on <= billed_until:
pass
elif order.service.billing_period == order.service.NEVER:
human = _("Forever")
elif order.service.payment_style == order.service.POSTPAY:
boundary = order.service.handler.get_billing_point(order)
if billed_until < boundary:
red = True
elif billed_until < timezone.now().date():
red = True
color = 'style="color:red;"' if red else ''
return '<span title="{raw}" {color}>{human}</span>'.format(
raw=escape(str(billed_until)), color=color, human=human,
)
display_billed_until.short_description = _("billed until")
display_billed_until.allow_tags = True
display_billed_until.admin_order_field = 'billed_until'
def display_metric(self, order):
""" dispalys latest metric value, don't uses latest() because not loosing prefetch_related """
try:
metric = order.metrics.all()[0]
except IndexError:
return ''
return metric.value
display_metric.short_description = _("Metric")
# def get_changelist(self, request, **kwargs):
# ChangeList = super(OrderAdmin, self).get_changelist(request, **kwargs)
# class OrderFilterChangeList(ChangeList):
# def get_filters(self, request):
# filters = super(OrderFilterChangeList, self).get_filters(request)
# tail = []
# filters_copy = []
# for list_filter in filters[0]:
# if getattr(list_filter, 'apply_last', False):
# tail.append(list_filter)
# else:
# filters_copy.append(list_filter)
# filters = ((filters_copy+tail),) + filters[1:]
# return filters
# return OrderFilterChangeList
class MetricStorageAdmin(admin.ModelAdmin):
list_display = ('order', 'value', 'created_on', 'updated_on')
list_filter = ('order__service',)
admin.site.register(Order, OrderAdmin)
admin.site.register(MetricStorage, MetricStorageAdmin)