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

226 lines
9.0 KiB
Python

from django import forms
from django.contrib import admin
from django.contrib.admin.utils import unquote
from django.core.urlresolvers import reverse
from django.db import models
from django.templatetags.static import static
from django.utils.safestring import mark_safe
from django.utils.translation import ugettext_lazy as _
from orchestra.admin import ExtendedModelAdmin
from orchestra.admin.utils import admin_date, insertattr
from orchestra.apps.accounts.admin import AccountAdminMixin, AccountAdmin
from orchestra.forms.widgets import paddingCheckboxSelectMultiple
from . import settings
from .actions import download_bills, view_bill, close_bills, send_bills, validate_contact
from .filters import BillTypeListFilter, HasBillContactListFilter
from .models import Bill, Invoice, AmendmentInvoice, Fee, AmendmentFee, ProForma, BillLine, BillContact
PAYMENT_STATE_COLORS = {
Bill.PAID: 'green',
Bill.PENDING: 'darkorange',
Bill.BAD_DEBT: 'red',
}
class BillLineInline(admin.TabularInline):
model = BillLine
fields = ('description', 'rate', 'quantity', 'tax', 'subtotal', 'display_total')
readonly_fields = ('display_total',)
def display_total(self, line):
total = line.get_total()
sublines = line.sublines.all()
if sublines:
content = '\n'.join(['%s: %s' % (sub.description, sub.total) for sub in sublines])
img = static('admin/img/icon_alert.gif')
return '<span title="%s">%s <img src="%s"></img></span>' % (content, str(total), img)
return 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':'110'})
else:
kwargs['widget'] = forms.TextInput(attrs={'size':'13'})
return super(BillLineInline, self).formfield_for_dbfield(db_field, **kwargs)
def get_queryset(self, request):
qs = super(BillLineInline, self).get_queryset(request)
return qs.prefetch_related('sublines')
class ClosedBillLineInline(BillLineInline):
# TODO reimplement as nested inlines when upstream
# https://code.djangoproject.com/ticket/9025
fields = ('display_description', 'rate', 'quantity', 'tax', 'display_subtotal', 'display_total')
readonly_fields = fields
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;&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 has_add_permission(self, request):
return False
def has_delete_permission(self, request, obj=None):
return False
class BillAdmin(AccountAdminMixin, ExtendedModelAdmin):
list_display = (
'number', 'type_link', 'account_link', 'created_on_display',
'num_lines', 'display_total', 'display_payment_state', 'is_open', 'is_sent'
)
list_filter = (BillTypeListFilter, 'is_open', 'is_sent')
add_fields = ('account', 'type', 'is_open', 'due_on', 'comments')
fieldsets = (
(None, {
'fields': ('number', 'type', 'account_link', 'display_total',
'display_payment_state', 'is_sent', 'due_on', 'comments'),
}),
(_("Raw"), {
'classes': ('collapse',),
'fields': ('html',),
}),
)
actions = [download_bills, close_bills, send_bills]
change_view_actions = [view_bill, download_bills, send_bills, close_bills]
change_readonly_fields = ('account_link', 'type', 'is_open')
readonly_fields = ('number', 'display_total', 'is_sent', 'display_payment_state')
inlines = [BillLineInline, ClosedBillLineInline]
created_on_display = admin_date('created_on')
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):
return "%s &%s;" % (bill.total, settings.BILLS_CURRENCY.lower())
display_total.allow_tags = True
display_total.short_description = _("total")
display_total.admin_order_field = 'total'
def type_link(self, bill):
bill_type = bill.type.lower()
url = reverse('admin:bills_%s_changelist' % bill_type)
return '<a href="%s">%s</a>' % (url, bill.get_type_display())
type_link.allow_tags = True
type_link.short_description = _("type")
type_link.admin_order_field = 'type'
def display_payment_state(self, bill):
t_opts = bill.transactions.model._meta
transactions = bill.transactions.all()
if len(transactions) == 1:
args = (transactions[0].pk,)
url = reverse('admin:%s_%s_change' % (t_opts.app_label, t_opts.module_name), args=args)
else:
url = reverse('admin:%s_%s_changelist' % (t_opts.app_label, t_opts.module_name))
url += '?bill=%i' % bill.pk
state = bill.get_payment_state_display().upper()
color = PAYMENT_STATE_COLORS.get(bill.payment_state, 'grey')
return '<a href="{url}" style="color:{color}">{name}</a>'.format(
url=url, color=color, name=state)
display_payment_state.allow_tags = True
display_payment_state.short_description = _("Payment")
def get_readonly_fields(self, request, obj=None):
fields = super(BillAdmin, self).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(BillAdmin, self).get_fieldsets(request, obj)
if obj and obj.is_open:
fieldsets = (fieldsets[0],)
return fieldsets
def get_change_view_actions(self, obj=None):
actions = super(BillAdmin, self).get_change_view_actions(obj)
exclude = []
if obj:
if not obj.is_open:
exclude.append('close_bills')
return [action for action in actions if action.__name__ not in exclude]
def get_inline_instances(self, request, obj=None):
inlines = super(BillAdmin, self).get_inline_instances(request, obj)
if obj and not obj.is_open:
return [inline for inline in inlines if not type(inline) == BillLineInline]
return [inline for inline in inlines if not type(inline) == ClosedBillLineInline]
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})
if db_field.name == 'html':
kwargs['widget'] = forms.Textarea(attrs={'cols': 150, 'rows': 20})
return super(BillAdmin, self).formfield_for_dbfield(db_field, **kwargs)
def get_queryset(self, request):
qs = super(BillAdmin, self).get_queryset(request)
qs = qs.annotate(models.Count('lines'))
qs = qs.prefetch_related('lines', 'lines__sublines', 'transactions')
return qs
def change_view(self, request, object_id, **kwargs):
# TODO raise404, here and everywhere
bill = self.get_object(request, unquote(object_id))
validate_contact(request, bill, error=False)
return super(BillAdmin, self).change_view(request, object_id, **kwargs)
admin.site.register(Bill, BillAdmin)
admin.site.register(Invoice, BillAdmin)
admin.site.register(AmendmentInvoice, BillAdmin)
admin.site.register(Fee, BillAdmin)
admin.site.register(AmendmentFee, BillAdmin)
admin.site.register(ProForma, BillAdmin)
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':'70'})
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(BillContactInline, self).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)