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

106 lines
3.9 KiB
Python

from django import forms
from django.conf.urls import url
from django.contrib import admin
from django.core.urlresolvers import reverse
from django.template.response import TemplateResponse
from django.utils import timezone
from django.utils.translation import ugettext_lazy as _
from orchestra.admin import ChangeViewActionsMixin
from orchestra.core import services
from .actions import update_orders, view_help, clone
from .models import Service
class ServiceAdmin(ChangeViewActionsMixin, admin.ModelAdmin):
list_display = (
'description', 'content_type', 'handler_type', 'num_orders', 'is_active'
)
list_filter = (
'is_active', 'handler_type', ('content_type', admin.RelatedOnlyFieldListFilter),
)
fieldsets = (
(None, {
'classes': ('wide',),
'fields': ('description', 'content_type', 'match', 'handler_type',
'ignore_superusers', 'is_active')
}),
(_("Billing options"), {
'classes': ('wide',),
'fields': ('billing_period', 'billing_point', 'is_fee', 'order_description',
'ignore_period')
}),
(_("Pricing options"), {
'classes': ('wide',),
'fields': ('metric', 'pricing_period', 'rate_algorithm',
'on_cancel', 'payment_style', 'tax', 'nominal_price')
}),
)
actions = (update_orders, clone)
change_view_actions = actions + (view_help,)
change_form_template = 'admin/services/service/change_form.html'
def get_urls(self):
"""Returns the additional urls for the change view links"""
urls = super(ServiceAdmin, self).get_urls()
admin_site = self.admin_site
opts = self.model._meta
return [
url('^add/help/$',
admin_site.admin_view(self.help_view),
name='%s_%s_help' % (opts.app_label, opts.model_name)
)
] + urls
def formfield_for_dbfield(self, db_field, **kwargs):
""" Improve performance of account field and filter by account """
if db_field.name == 'content_type':
models = [model._meta.model_name for model in services.get()]
queryset = db_field.rel.to.objects
kwargs['queryset'] = queryset.filter(model__in=models)
if db_field.name in ['match', 'metric', 'order_description']:
kwargs['widget'] = forms.TextInput(attrs={'size':'160'})
return super(ServiceAdmin, self).formfield_for_dbfield(db_field, **kwargs)
def num_orders(self, service):
num = service.orders__count
url = reverse('admin:orders_order_changelist')
url += '?service=%i&is_active=True' % service.pk
return '<a href="%s">%d</a>' % (url, num)
num_orders.short_description = _("Orders")
num_orders.admin_order_field = 'orders__count'
num_orders.allow_tags = True
def get_queryset(self, request):
qs = super(ServiceAdmin, self).get_queryset(request)
# Count active orders
qs = qs.extra(select={
'orders__count': (
"SELECT COUNT(*) "
"FROM orders_order "
"WHERE orders_order.service_id = services_service.id AND ("
" orders_order.cancelled_on IS NULL OR"
" orders_order.cancelled_on > '%s' "
")" % timezone.now()
)
})
return qs
def help_view(self, request, *args):
opts = self.model._meta
context = {
'add': True,
'title': _("Need some help?"),
'opts': opts,
'obj': args[0].get() if args else None,
'action_name': _("help"),
'app_label': opts.app_label,
}
return TemplateResponse(request, 'admin/services/service/help.html', context)
help_view.url_name = 'help'
help_view.verbose_name = _("Help")
admin.site.register(Service, ServiceAdmin)