django-orchestra/orchestra/apps/bills/admin.py
2015-03-26 16:00:30 +00:00

226 lines
9 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)