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

95 lines
3.4 KiB
Python

from django import forms
from django.contrib import admin
from django.core.urlresolvers import reverse
from django.utils import timezone
from django.utils.translation import ugettext_lazy as _
from orchestra.admin import ChangeViewActionsMixin
from orchestra.admin.filters import UsedContentTypeFilter
from orchestra.apps.accounts.admin import AccountAdminMixin
from orchestra.core import services
from .actions import update_orders, view_help
from .models import Plan, ContractedPlan, Rate, Service
class RateInline(admin.TabularInline):
model = Rate
ordering = ('plan', 'quantity')
class PlanAdmin(admin.ModelAdmin):
list_display = ('name', 'is_default', 'is_combinable', 'allow_multiple')
list_filter = ('is_default', 'is_combinable', 'allow_multiple')
inlines = [RateInline]
class ContractedPlanAdmin(AccountAdminMixin, admin.ModelAdmin):
list_display = ('plan', 'account_link')
list_filter = ('plan__name',)
class ServiceAdmin(ChangeViewActionsMixin, admin.ModelAdmin):
list_display = (
'description', 'content_type', 'handler_type', 'num_orders', 'is_active'
)
list_filter = ('is_active', 'handler_type', UsedContentTypeFilter)
fieldsets = (
(None, {
'classes': ('wide',),
'fields': ('description', 'content_type', 'match', 'handler_type',
'is_active')
}),
(_("Billing options"), {
'classes': ('wide',),
'fields': ('billing_period', 'billing_point', 'is_fee')
}),
(_("Pricing options"), {
'classes': ('wide',),
'fields': ('metric', 'pricing_period', 'rate_algorithm',
'on_cancel', 'payment_style', 'tax', 'nominal_price')
}),
)
inlines = [RateInline]
actions = [update_orders]
change_view_actions = actions + [view_help]
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']:
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
admin.site.register(Plan, PlanAdmin)
admin.site.register(ContractedPlan, ContractedPlanAdmin)
admin.site.register(Service, ServiceAdmin)