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

209 lines
7.9 KiB
Python

from django import forms
from django.contrib import admin
from django.core.urlresolvers import reverse, NoReverseMatch
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, change_url
from orchestra.contrib.accounts.actions import list_accounts
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')
parent_id = self.parent_object.pk
try:
tenth_id = qs.filter(order_id=parent_id).values_list('id', flat=True)[9]
except IndexError:
pass
else:
return qs.filter(pk__gte=tenth_id)
return qs
class OrderAdmin(AccountAdminMixin, ExtendedModelAdmin):
list_display = (
'display_description', 'service_link', 'account_link', 'content_object_link',
'display_registered_on', 'display_billed_until', 'display_cancelled_on',
'display_metric'
)
list_filter = (
ActiveOrderListFilter, IgnoreOrderListFilter, BilledOrderListFilter, 'account__type',
'service',
)
default_changelist_filters = (
('ignore', '0'),
)
actions = (
BillSelectedOrders(), mark_as_ignored, mark_as_not_ignored, report, list_accounts
)
change_view_actions = (BillSelectedOrders(), mark_as_ignored, mark_as_not_ignored)
date_hierarchy = 'registered_on'
inlines = (MetricStorageInline,)
add_inlines = ()
search_fields = ('account__username', 'content_object_repr', 'description',)
list_prefetch_related = (
'content_object',
Prefetch('metrics', queryset=MetricStorage.objects.order_by('-id')),
)
list_select_related = ('account', 'service')
add_fieldsets = (
(None, {
'fields': ('account', 'service')
}),
(_("Object"), {
'fields': ('content_type', 'object_id',),
}),
(_("State"), {
'fields': ('registered_on', 'cancelled_on', 'billed_on', 'billed_metric',
'billed_until' )
}),
(None, {
'fields': ('description', 'ignore',),
}),
)
fieldsets = (
(None, {
'fields': ('account_link', 'service_link', 'content_object_link'),
}),
(_("State"), {
'fields': ('registered_on', 'cancelled_on', 'billed_on', 'billed_metric',
'billed_until' )
}),
(None, {
'fields': ('description', 'ignore', 'bills_links'),
}),
)
readonly_fields = (
'content_object_repr', 'content_object_link', 'bills_links', 'account_link',
'service_link'
)
service_link = admin_link('service')
display_registered_on = admin_date('registered_on')
display_cancelled_on = admin_date('cancelled_on')
def display_description(self, order):
return order.description[:64]
display_description.short_description = _("Description")
display_description.allow_tags = True
display_description.admin_order_field = 'description'
def content_object_link(self, order):
if order.content_object:
try:
url = change_url(order.content_object)
except NoReverseMatch:
# Does not has admin
return order.content_object_repr
description = str(order.content_object)
return '<a href="{url}">{description}</a>'.format(
url=url, description=description)
return order.content_object_repr
content_object_link.short_description = _("Content object")
content_object_link.allow_tags = True
content_object_link.admin_order_field = 'content_object_repr'
def bills_links(self, order):
bills = []
make_link = admin_link()
for line in order.lines.select_related('bill').distinct('bill'):
bills.append(make_link(line.bill))
return '<br>'.join(bills)
bills_links.short_description = _("Bills")
bills_links.allow_tags = True
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 formfield_for_dbfield(self, db_field, **kwargs):
""" Make value input widget bigger """
if db_field.name == 'description':
kwargs['widget'] = forms.Textarea(attrs={'cols': 70, 'rows': 2})
return super().formfield_for_dbfield(db_field, **kwargs)
# 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',)
raw_id_fields = ('order',)
admin.site.register(Order, OrderAdmin)
admin.site.register(MetricStorage, MetricStorageAdmin)