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