208 lines
7.9 KiB
Python
208 lines
7.9 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, NoReverseMatch
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from django.db.models import Prefetch
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from django.utils import timezone
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from django.utils.html import escape
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from django.utils.safestring import mark_safe
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from django.utils.translation import ugettext_lazy as _
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from orchestra.admin import ExtendedModelAdmin
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from orchestra.admin.utils import admin_link, admin_date, change_url
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from orchestra.contrib.accounts.actions import list_accounts
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from orchestra.contrib.accounts.admin import AccountAdminMixin
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from orchestra.utils.humanize import naturaldate
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from .actions import BillSelectedOrders, mark_as_ignored, mark_as_not_ignored, report
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from .filters import IgnoreOrderListFilter, ActiveOrderListFilter, BilledOrderListFilter
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from .models import Order, MetricStorage
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class MetricStorageInline(admin.TabularInline):
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model = MetricStorage
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readonly_fields = ('value', 'created_on', 'updated_on')
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extra = 0
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def has_add_permission(self, request, obj=None):
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return False
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def get_fieldsets(self, request, obj=None):
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if obj:
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url = reverse('admin:orders_metricstorage_changelist')
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url += '?order=%i' % obj.pk
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title = _('Metric storage, last 10 entries, <a href="%s">(See all)</a>')
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self.verbose_name_plural = mark_safe(title % url)
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return super(MetricStorageInline, self).get_fieldsets(request, obj)
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def get_queryset(self, request):
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qs = super(MetricStorageInline, self).get_queryset(request)
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change_view = bool(self.parent_object and self.parent_object.pk)
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if change_view:
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qs = qs.order_by('-id')
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parent_id = self.parent_object.pk
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try:
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tenth_id = qs.filter(order_id=parent_id).values_list('id', flat=True)[9]
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except IndexError:
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pass
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else:
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return qs.filter(pk__gte=tenth_id)
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return qs
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class OrderAdmin(AccountAdminMixin, ExtendedModelAdmin):
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list_display = (
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'display_description', 'service_link', 'account_link', 'content_object_link',
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'display_registered_on', 'display_billed_until', 'display_cancelled_on',
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'display_metric'
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)
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list_filter = (
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ActiveOrderListFilter, IgnoreOrderListFilter, BilledOrderListFilter, 'service'
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)
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default_changelist_filters = (
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('ignore', '0'),
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)
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actions = (
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BillSelectedOrders(), mark_as_ignored, mark_as_not_ignored, report, list_accounts
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)
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change_view_actions = (BillSelectedOrders(), mark_as_ignored, mark_as_not_ignored)
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date_hierarchy = 'registered_on'
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inlines = (MetricStorageInline,)
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add_inlines = ()
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search_fields = ('account__username', 'content_object_repr', 'description',)
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list_prefetch_related = (
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'content_object',
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Prefetch('metrics', queryset=MetricStorage.objects.order_by('-id')),
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)
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list_select_related = ('account', 'service')
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add_fieldsets = (
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(None, {
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'fields': ('account', 'service')
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}),
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(_("Object"), {
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'fields': ('content_type', 'object_id',),
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}),
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(_("State"), {
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'fields': ('registered_on', 'cancelled_on', 'billed_on', 'billed_metric',
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'billed_until' )
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}),
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(None, {
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'fields': ('description', 'ignore',),
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}),
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)
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fieldsets = (
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(None, {
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'fields': ('account_link', 'service_link', 'content_object_link'),
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}),
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(_("State"), {
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'fields': ('registered_on', 'cancelled_on', 'billed_on', 'billed_metric',
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'billed_until' )
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}),
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(None, {
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'fields': ('description', 'ignore', 'bills_links'),
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}),
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)
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readonly_fields = (
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'content_object_repr', 'content_object_link', 'bills_links', 'account_link',
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'service_link'
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)
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service_link = admin_link('service')
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display_registered_on = admin_date('registered_on')
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display_cancelled_on = admin_date('cancelled_on')
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def display_description(self, order):
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return order.description[:64]
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display_description.short_description = _("Description")
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display_description.allow_tags = True
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display_description.admin_order_field = 'description'
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def content_object_link(self, order):
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if order.content_object:
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try:
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url = change_url(order.content_object)
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except NoReverseMatch:
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# Does not has admin
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return order.content_object_repr
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description = str(order.content_object)
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return '<a href="{url}">{description}</a>'.format(
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url=url, description=description)
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return order.content_object_repr
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content_object_link.short_description = _("Content object")
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content_object_link.allow_tags = True
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content_object_link.admin_order_field = 'content_object_repr'
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def bills_links(self, order):
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bills = []
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make_link = admin_link()
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for line in order.lines.select_related('bill').distinct('bill'):
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bills.append(make_link(line.bill))
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return '<br>'.join(bills)
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bills_links.short_description = _("Bills")
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bills_links.allow_tags = True
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def display_billed_until(self, order):
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billed_until = order.billed_until
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red = False
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human = escape(naturaldate(billed_until))
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if billed_until:
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if order.cancelled_on and order.cancelled_on <= billed_until:
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pass
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elif order.service.billing_period == order.service.NEVER:
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human = _("Forever")
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elif order.service.payment_style == order.service.POSTPAY:
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boundary = order.service.handler.get_billing_point(order)
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if billed_until < boundary:
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red = True
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elif billed_until < timezone.now().date():
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red = True
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color = 'style="color:red;"' if red else ''
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return '<span title="{raw}" {color}>{human}</span>'.format(
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raw=escape(str(billed_until)), color=color, human=human,
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)
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display_billed_until.short_description = _("billed until")
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display_billed_until.allow_tags = True
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display_billed_until.admin_order_field = 'billed_until'
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def display_metric(self, order):
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"""
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dispalys latest metric value, don't uses latest() because not loosing prefetch_related
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"""
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try:
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metric = order.metrics.all()[0]
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except IndexError:
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return ''
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return metric.value
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display_metric.short_description = _("Metric")
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def formfield_for_dbfield(self, db_field, **kwargs):
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""" Make value input widget bigger """
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if db_field.name == 'description':
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kwargs['widget'] = forms.Textarea(attrs={'cols': 70, 'rows': 2})
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return super().formfield_for_dbfield(db_field, **kwargs)
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# def get_changelist(self, request, **kwargs):
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# ChangeList = super(OrderAdmin, self).get_changelist(request, **kwargs)
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# class OrderFilterChangeList(ChangeList):
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# def get_filters(self, request):
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# filters = super(OrderFilterChangeList, self).get_filters(request)
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# tail = []
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# filters_copy = []
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# for list_filter in filters[0]:
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# if getattr(list_filter, 'apply_last', False):
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# tail.append(list_filter)
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# else:
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# filters_copy.append(list_filter)
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# filters = ((filters_copy+tail),) + filters[1:]
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# return filters
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# return OrderFilterChangeList
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class MetricStorageAdmin(admin.ModelAdmin):
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list_display = ('order', 'value', 'created_on', 'updated_on')
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list_filter = ('order__service',)
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raw_id_fields = ('order',)
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admin.site.register(Order, OrderAdmin)
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admin.site.register(MetricStorage, MetricStorageAdmin)
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