77 lines
2.9 KiB
Python
77 lines
2.9 KiB
Python
from django import forms
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from django.contrib import admin
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from django.core.urlresolvers import reverse
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from django.utils import timezone
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from django.utils.translation import ugettext_lazy as _
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from orchestra.admin import ChangeViewActionsMixin
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from orchestra.admin.filters import UsedContentTypeFilter
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from orchestra.apps.accounts.admin import AccountAdminMixin
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from orchestra.core import services
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from .actions import update_orders, view_help, clone
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from .models import Service
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class ServiceAdmin(ChangeViewActionsMixin, admin.ModelAdmin):
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list_display = (
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'description', 'content_type', 'handler_type', 'num_orders', 'is_active'
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)
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list_filter = ('is_active', 'handler_type', UsedContentTypeFilter)
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fieldsets = (
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(None, {
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'classes': ('wide',),
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'fields': ('description', 'content_type', 'match', 'handler_type',
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'ignore_superusers', 'is_active')
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}),
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(_("Billing options"), {
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'classes': ('wide',),
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'fields': ('billing_period', 'billing_point', 'is_fee', 'order_description',
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'ignore_period')
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}),
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(_("Pricing options"), {
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'classes': ('wide',),
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'fields': ('metric', 'pricing_period', 'rate_algorithm',
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'on_cancel', 'payment_style', 'tax', 'nominal_price')
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}),
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)
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actions = [update_orders, clone]
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change_view_actions = actions + [view_help]
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def formfield_for_dbfield(self, db_field, **kwargs):
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""" Improve performance of account field and filter by account """
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if db_field.name == 'content_type':
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models = [model._meta.model_name for model in services.get()]
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queryset = db_field.rel.to.objects
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kwargs['queryset'] = queryset.filter(model__in=models)
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if db_field.name in ['match', 'metric', 'order_description']:
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kwargs['widget'] = forms.TextInput(attrs={'size':'160'})
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return super(ServiceAdmin, self).formfield_for_dbfield(db_field, **kwargs)
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def num_orders(self, service):
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num = service.orders__count
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url = reverse('admin:orders_order_changelist')
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url += '?service=%i&is_active=True' % service.pk
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return '<a href="%s">%d</a>' % (url, num)
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num_orders.short_description = _("Orders")
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num_orders.admin_order_field = 'orders__count'
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num_orders.allow_tags = True
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def get_queryset(self, request):
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qs = super(ServiceAdmin, self).get_queryset(request)
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# Count active orders
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qs = qs.extra(select={
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'orders__count': (
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"SELECT COUNT(*) "
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"FROM orders_order "
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"WHERE orders_order.service_id = services_service.id AND ("
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" orders_order.cancelled_on IS NULL OR"
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" orders_order.cancelled_on > '%s' "
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")" % timezone.now()
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)
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})
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return qs
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admin.site.register(Service, ServiceAdmin)
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