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

500 lines
19 KiB
Python

from django import forms
from django.conf.urls import url
from django.contrib import admin, messages
from django.contrib.admin.utils import unquote
from django.urls import reverse
from django.db import models
from django.db.models import F, Sum, Prefetch
from django.db.models.functions import Coalesce
from django.templatetags.static import static
from django.utils.html import format_html
from django.utils.safestring import mark_safe
from django.utils.translation import ugettext_lazy as _
from django.shortcuts import redirect
from orchestra.admin import ExtendedModelAdmin
from orchestra.admin.utils import admin_date, insertattr, admin_link, change_url
from orchestra.contrib.accounts.actions import list_accounts
from orchestra.contrib.accounts.admin import AccountAdminMixin, AccountAdmin
from orchestra.forms.widgets import paddingCheckboxSelectMultiple
from . import settings, actions
from .filters import (BillTypeListFilter, HasBillContactListFilter, TotalListFilter,
PaymentStateListFilter, AmendedListFilter)
from .models import (Bill, Invoice, AmendmentInvoice, AbonoInvoice, Fee, AmendmentFee, ProForma, BillLine,
BillSubline, BillContact)
PAYMENT_STATE_COLORS = {
Bill.OPEN: 'grey',
Bill.CREATED: 'magenta',
Bill.PROCESSED: 'darkorange',
Bill.AMENDED: 'blue',
Bill.PAID: 'green',
Bill.EXECUTED: 'olive',
Bill.BAD_DEBT: 'red',
Bill.INCOMPLETE: 'red',
}
class BillSublineInline(admin.TabularInline):
model = BillSubline
fields = ('description', 'total', 'type')
def get_readonly_fields(self, request, obj=None):
fields = super().get_readonly_fields(request, obj)
if obj and not obj.bill.is_open:
return self.get_fields(request)
return fields
def get_max_num(self, request, obj=None):
if obj and not obj.bill.is_open:
return 0
return super().get_max_num(request, obj)
def has_delete_permission(self, request, obj=None):
if obj and not obj.bill.is_open:
return False
return super().has_delete_permission(request, obj)
class BillLineInline(admin.TabularInline):
model = BillLine
fields = (
'description', 'order_link', 'start_on', 'end_on', 'rate', 'quantity', 'tax',
'subtotal', 'display_total',
)
readonly_fields = ('display_total', 'order_link')
order_link = admin_link('order', display='pk')
@mark_safe
def display_total(self, line):
if line.pk:
total = line.compute_total()
sublines = line.sublines.all()
url = change_url(line)
if sublines:
content = '\n'.join(['%s: %s' % (sub.description, sub.total) for sub in sublines])
img = static('admin/img/icon-alert.svg')
return '<a href="%s" title="%s">%s <img src="%s"></img></a>' % (url, content, total, img)
return '<a href="%s">%s</a>' % (url, total)
display_total.short_description = _("Total")
display_total.allow_tags = True
def formfield_for_dbfield(self, db_field, **kwargs):
""" Make value input widget bigger """
if db_field.name == 'description':
kwargs['widget'] = forms.TextInput(attrs={'size':'50'})
elif db_field.name not in ('start_on', 'end_on'):
kwargs['widget'] = forms.TextInput(attrs={'size':'6'})
return super().formfield_for_dbfield(db_field, **kwargs)
def get_queryset(self, request):
qs = super().get_queryset(request)
return qs.prefetch_related('sublines').select_related('order')
class ClosedBillLineInline(BillLineInline):
# TODO reimplement as nested inlines when upstream
# https://code.djangoproject.com/ticket/9025
fields = (
'display_description', 'order_link', 'start_on', 'end_on', 'rate', 'quantity', 'tax',
'display_subtotal', 'display_total'
)
readonly_fields = fields
can_delete = False
def display_description(self, line):
descriptions = [line.description]
for subline in line.sublines.all():
descriptions.append('&nbsp;'*4+subline.description)
return '<br>'.join(descriptions)
display_description.short_description = _("Description")
display_description.allow_tags = True
def display_subtotal(self, line):
subtotals = ['&nbsp;' + str(line.subtotal)]
for subline in line.sublines.all():
subtotals.append(str(subline.total))
return '<br>'.join(subtotals)
display_subtotal.short_description = _("Subtotal")
display_subtotal.allow_tags = True
def display_total(self, line):
if line.pk:
return line.compute_total()
display_total.short_description = _("Total")
display_total.allow_tags = True
def has_add_permission(self, request):
return False
class BillLineAdmin(admin.ModelAdmin):
list_display = (
'description', 'bill_link', 'display_is_open', 'account_link', 'rate', 'quantity',
'tax', 'subtotal', 'display_sublinetotal', 'display_total'
)
actions = (
actions.undo_billing, actions.move_lines, actions.copy_lines, actions.service_report,
actions.list_bills,
)
fieldsets = (
(None, {
'fields': ('bill_link', 'description', 'tax', 'start_on', 'end_on', 'amended_line_link')
}),
(_("Totals"), {
'fields': ('rate', ('quantity', 'verbose_quantity'), 'subtotal', 'display_sublinetotal',
'display_total'),
}),
(_("Order"), {
'fields': ('order_link', 'order_billed_on', 'order_billed_until',)
}),
)
readonly_fields = (
'bill_link', 'order_link', 'amended_line_link', 'display_sublinetotal', 'display_total'
)
list_filter = ('tax', 'bill__is_open', 'order__service')
list_select_related = ('bill', 'bill__account')
search_fields = ('description', 'bill__number')
inlines = (BillSublineInline,)
account_link = admin_link('bill__account')
bill_link = admin_link('bill')
order_link = admin_link('order')
amended_line_link = admin_link('amended_line')
def display_is_open(self, instance):
return instance.bill.is_open
display_is_open.short_description = _("Is open")
display_is_open.boolean = True
def display_sublinetotal(self, instance):
total = instance.subline_total
return total if total is not None else '---'
display_sublinetotal.short_description = _("Sublines")
display_sublinetotal.admin_order_field = 'subline_total'
def display_total(self, instance):
return round(instance.computed_total or 0, 2)
display_total.short_description = _("Total")
display_total.admin_order_field = 'computed_total'
def get_readonly_fields(self, request, obj=None):
fields = super().get_readonly_fields(request, obj)
if obj and not obj.bill.is_open:
return list(fields) + [
'description', 'tax', 'start_on', 'end_on', 'rate', 'quantity', 'verbose_quantity',
'subtotal', 'order_billed_on', 'order_billed_until'
]
return fields
def get_queryset(self, request):
qs = super().get_queryset(request)
qs = qs.annotate(
subline_total=Sum('sublines__total'),
computed_total=(F('subtotal') + Sum(Coalesce('sublines__total', 0))) * (1+F('tax')/100),
)
return qs
def has_delete_permission(self, request, obj=None):
if obj and not obj.bill.is_open:
return False
return super().has_delete_permission(request, obj)
class BillLineManagerAdmin(BillLineAdmin):
def get_queryset(self, request):
qset = super().get_queryset(request)
if self.bill_ids:
return qset.filter(bill_id__in=self.bill_ids)
return qset
def changelist_view(self, request, extra_context=None):
GET_copy = request.GET.copy()
bill_ids = GET_copy.pop('ids', None)
if bill_ids:
bill_ids = bill_ids[0]
request.GET = GET_copy
bill_ids = list(map(int, bill_ids.split(',')))
else:
messages.error(request, _("No bills selected."))
return redirect('..')
self.bill_ids = bill_ids
bill = None
if len(bill_ids) == 1:
bill_url = reverse('admin:bills_bill_change', args=(bill_ids[0],))
bill = Bill.objects.get(pk=bill_ids[0])
bill_link = '<a href="%s">%s</a>' % (bill_url, bill.number)
title = mark_safe(_("Manage %s bill lines") % bill_link)
if not bill.is_open:
messages.warning(request, _("Bill not in open state."))
else:
if Bill.objects.filter(id__in=bill_ids, is_open=False).exists():
messages.warning(request, _("Not all bills are in open state."))
title = _("Manage bill lines of multiple bills")
context = {
'title': title,
'bill': bill,
}
context.update(extra_context or {})
return super().changelist_view(request, context)
class BillAdminMixin(AccountAdminMixin):
@mark_safe
def display_total_with_subtotals(self, bill):
if bill.pk:
currency = settings.BILLS_CURRENCY.lower()
subtotals = []
for tax, subtotal in bill.compute_subtotals().items():
subtotals.append(_("Subtotal %s%% VAT %s &%s;") % (tax, subtotal[0], currency))
subtotals.append(_("Taxes %s%% VAT %s &%s;") % (tax, subtotal[1], currency))
subtotals = '\n'.join(subtotals)
return '<span title="%s">%s &%s;</span>' % (subtotals, bill.compute_total(), currency)
display_total_with_subtotals.allow_tags = True
display_total_with_subtotals.short_description = _("total")
display_total_with_subtotals.admin_order_field = 'approx_total'
@mark_safe
def display_payment_state(self, bill):
if bill.pk:
t_opts = bill.transactions.model._meta
if bill.get_type() == bill.PROFORMA:
return '<span title="Pro forma">---</span>'
transactions = bill.transactions.all()
if len(transactions) == 1:
args = (transactions[0].pk,)
view = 'admin:%s_%s_change' % (t_opts.app_label, t_opts.model_name)
url = reverse(view, args=args)
else:
url = reverse('admin:%s_%s_changelist' % (t_opts.app_label, t_opts.model_name))
url += '?bill=%i' % bill.pk
state = bill.get_payment_state_display().upper()
title = ''
if bill.closed_amends:
state = '<strike>%s*</strike>' % state
title = _("This bill has been amended, this value may not be valid.")
color = PAYMENT_STATE_COLORS.get(bill.payment_state, 'grey')
return '<a href="{url}" style="color:{color}" title="{title}">{name}</a>'.format(
url=url, color=color, name=state, title=title)
display_payment_state.allow_tags = True
display_payment_state.short_description = _("Payment")
def get_queryset(self, request):
qs = super().get_queryset(request)
qs = qs.annotate(
models.Count('lines'),
# FIXME https://code.djangoproject.com/ticket/10060
approx_total=Coalesce(Sum(
(F('lines__subtotal') + Coalesce('lines__sublines__total', 0)) * (1+F('lines__tax')/100),
), 0),
)
qs = qs.prefetch_related(
Prefetch('amends', queryset=Bill.objects.filter(is_open=False), to_attr='closed_amends')
)
return qs.defer('html')
class AmendInline(BillAdminMixin, admin.TabularInline):
model = Bill
fields = (
'self_link', 'type', 'display_total_with_subtotals', 'display_payment_state', 'is_open',
'is_sent'
)
readonly_fields = fields
verbose_name_plural = _("Amends")
can_delete = False
extra = 0
self_link = admin_link('__str__')
def has_add_permission(self, *args, **kwargs):
return False
class BillAdmin(BillAdminMixin, ExtendedModelAdmin):
list_display = (
'number', 'type_link', 'account_link', 'closed_on_display', 'updated_on_display',
'num_lines', 'display_total', 'display_payment_state', 'is_sent'
)
list_filter = (
BillTypeListFilter, 'is_open', 'is_sent', TotalListFilter, PaymentStateListFilter,
AmendedListFilter, 'account__is_active',
)
add_fields = ('account', 'type', 'amend_of', 'is_open', 'due_on', 'comments')
change_list_template = 'admin/bills/bill/change_list.html'
fieldsets = (
(None, {
'fields': ['number', 'type', (), 'account_link', 'display_total_with_subtotals',
'display_payment_state', 'is_sent', 'comments'],
}),
(_("Dates"), {
'classes': ('collapse',),
'fields': ('created_on_display', 'closed_on_display', 'updated_on_display',
'due_on'),
}),
(_("Raw"), {
'classes': ('collapse',),
'fields': ('html',),
}),
)
list_prefetch_related = ('transactions', 'lines__sublines')
search_fields = ('number', 'account__username', 'comments')
change_view_actions = [
actions.manage_lines, actions.view_bill, actions.download_bills, actions.send_bills,
actions.close_bills, actions.amend_bills, actions.close_send_download_bills,
]
actions = [
actions.manage_lines, actions.download_bills, actions.close_bills, actions.send_bills,
actions.amend_bills, actions.bill_report, actions.service_report,
actions.close_send_download_bills, list_accounts,
]
change_readonly_fields = ('account_link', 'type', 'is_open', 'amend_of_link')
readonly_fields = (
'number', 'display_total', 'is_sent', 'display_payment_state', 'created_on_display',
'closed_on_display', 'updated_on_display', 'display_total_with_subtotals',
)
date_hierarchy = 'closed_on'
created_on_display = admin_date('created_on', short_description=_("Created"))
closed_on_display = admin_date('closed_on', short_description=_("Closed"))
updated_on_display = admin_date('updated_on', short_description=_("Updated"))
amend_of_link = admin_link('amend_of')
# def amend_links(self, bill):
# links = []
# for amend in bill.amends.all():
# url = reverse('admin:bills_bill_change', args=(amend.id,))
# links.append('<a href="{url}">{num}</a>'.format(url=url, num=amend.number))
# return '<br>'.join(links)
# amend_links.short_description = _("Amends")
# amend_links.allow_tags = True
def num_lines(self, bill):
return bill.lines__count
num_lines.admin_order_field = 'lines__count'
num_lines.short_description = _("lines")
def display_total(self, bill):
currency = settings.BILLS_CURRENCY.lower()
return format_html('{} &{};', bill.compute_total(), currency)
display_total.allow_tags = True
display_total.short_description = _("total")
display_total.admin_order_field = 'approx_total'
def type_link(self, bill):
bill_type = bill.type.lower()
url = reverse('admin:bills_%s_changelist' % bill_type)
return format_html('<a href="{}">{}</a>', url, bill.get_type_display())
type_link.allow_tags = True
type_link.short_description = _("type")
type_link.admin_order_field = 'type'
def get_urls(self):
""" Hook bill lines management URLs on bill admin """
urls = super().get_urls()
admin_site = self.admin_site
extra_urls = [
url("^manage-lines/$",
admin_site.admin_view(BillLineManagerAdmin(BillLine, admin_site).changelist_view),
name='bills_bill_manage_lines'),
]
return extra_urls + urls
def get_readonly_fields(self, request, obj=None):
fields = super().get_readonly_fields(request, obj)
if obj and not obj.is_open:
fields += self.add_fields
return fields
def get_fieldsets(self, request, obj=None):
fieldsets = super().get_fieldsets(request, obj)
if obj:
# Switches between amend_of_link and amend_links fields
fields = fieldsets[0][1]['fields']
if obj.amend_of_id:
fields[2] = 'amend_of_link'
else:
fields[2] = ()
if obj.is_open:
fieldsets = fieldsets[0:-1]
return fieldsets
def get_change_view_actions(self, obj=None):
actions = super().get_change_view_actions(obj)
exclude = []
if obj:
if not obj.is_open:
exclude += ['close_bills', 'close_send_download_bills']
if obj.type not in obj.AMEND_MAP:
exclude += ['amend_bills']
return [action for action in actions if action.__name__ not in exclude]
def get_inline_instances(self, request, obj=None):
cls = type(self)
if obj and not obj.is_open:
if obj.amends.all():
cls.inlines = [AmendInline, ClosedBillLineInline]
else:
cls.inlines = [ClosedBillLineInline]
else:
cls.inlines = [BillLineInline]
return super().get_inline_instances(request, obj)
def formfield_for_dbfield(self, db_field, **kwargs):
""" Make value input widget bigger """
if db_field.name == 'comments':
kwargs['widget'] = forms.Textarea(attrs={'cols': 70, 'rows': 4})
elif db_field.name == 'html':
kwargs['widget'] = forms.Textarea(attrs={'cols': 150, 'rows': 20})
formfield = super().formfield_for_dbfield(db_field, **kwargs)
if db_field.name == 'amend_of':
formfield.queryset = formfield.queryset.filter(is_open=False)
return formfield
def change_view(self, request, object_id, **kwargs):
# TODO raise404, here and everywhere
bill = self.get_object(request, unquote(object_id))
actions.validate_contact(request, bill, error=False)
return super().change_view(request, object_id, **kwargs)
admin.site.register(Bill, BillAdmin)
admin.site.register(Invoice, BillAdmin)
admin.site.register(AmendmentInvoice, BillAdmin)
admin.site.register(AbonoInvoice, BillAdmin)
admin.site.register(Fee, BillAdmin)
admin.site.register(AmendmentFee, BillAdmin)
admin.site.register(ProForma, BillAdmin)
admin.site.register(BillLine, BillLineAdmin)
class BillContactInline(admin.StackedInline):
model = BillContact
fields = ('name', 'address', ('city', 'zipcode'), 'country', 'vat')
def formfield_for_dbfield(self, db_field, **kwargs):
""" Make value input widget bigger """
if db_field.name == 'name':
kwargs['widget'] = forms.TextInput(attrs={'size':'90'})
if db_field.name == 'address':
kwargs['widget'] = forms.Textarea(attrs={'cols': 70, 'rows': 2})
if db_field.name == 'email_usage':
kwargs['widget'] = paddingCheckboxSelectMultiple(45)
return super().formfield_for_dbfield(db_field, **kwargs)
def has_bill_contact(account):
return hasattr(account, 'billcontact')
has_bill_contact.boolean = True
has_bill_contact.admin_order_field = 'billcontact'
insertattr(AccountAdmin, 'inlines', BillContactInline)
insertattr(AccountAdmin, 'list_display', has_bill_contact)
insertattr(AccountAdmin, 'list_filter', HasBillContactListFilter)
insertattr(AccountAdmin, 'list_select_related', 'billcontact')