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

108 lines
4.0 KiB
Python

from django import forms
from django.urls import re_path as url
from django.contrib import admin
from django.urls import reverse
from django.template.response import TemplateResponse
from django.utils import timezone
from django.utils.html import format_html
from django.utils.translation import gettext_lazy as _
from orchestra.admin import ChangeViewActionsMixin
from orchestra.admin.actions import disable, enable
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', 'is_fee',
('content_type', admin.RelatedOnlyFieldListFilter),
)
fieldsets = (
(None, {
'classes': ('wide',),
'fields': ('description', 'content_type', 'match', 'periodic_update',
'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, disable, enable)
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.remote_field.model.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__id__exact=%i&is_active=True' % service.pk
return format_html('<a href="{}">{}</a>', url, num)
num_orders.short_description = _("Orders")
num_orders.admin_order_field = 'orders__count'
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)