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

158 lines
6.0 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.shortcuts import redirect
from django.utils.translation import ugettext_lazy as _
from orchestra.admin import ExtendedModelAdmin
from orchestra.admin.utils import admin_link, admin_date
from orchestra.apps.accounts.admin import AccountAdminMixin
from . import settings
from .actions import download_bills, view_bill, close_bills, send_bills
from .filters import BillTypeListFilter
from .models import (Bill, Invoice, AmendmentInvoice, Fee, AmendmentFee, Budget,
BillLine, BudgetLine)
class BillLineInline(admin.TabularInline):
model = BillLine
fields = ('description', 'rate', 'amount', 'tax', 'total', 'subtotal')
readonly_fields = ('subtotal',)
def subtotal(self, line):
if line.total:
subtotal = 0
for subline in line.sublines.all():
subtotal += subline.total
return line.total - subtotal
return ''
def get_readonly_fields(self, request, obj=None):
if obj and obj.status != Bill.OPEN:
return self.fields
return super(BillLineInline, self).get_readonly_fields(request, obj=obj)
def has_add_permission(self, request):
if request.__bill__ and request.__bill__.status != Bill.OPEN:
return False
return super(BillLineInline, self).has_add_permission(request)
def has_delete_permission(self, request, obj=None):
if obj and obj.status != Bill.OPEN:
return False
return super(BillLineInline, self).has_delete_permission(request, obj=obj)
class BudgetLineInline(admin.TabularInline):
model = Budget
fields = ('description', 'rate', 'amount', 'tax', 'total')
class BillAdmin(AccountAdminMixin, ExtendedModelAdmin):
list_display = (
'number', 'status', 'type_link', 'account_link', 'created_on_display',
'num_lines', 'display_total'
)
list_filter = (BillTypeListFilter, 'status',)
add_fields = ('account', 'type', 'status', 'due_on', 'comments')
fieldsets = (
(None, {
'fields': ('number', 'display_total', 'account_link', 'type',
'status', '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', 'status')
readonly_fields = ('number', 'display_total')
inlines = [BillLineInline]
created_on_display = admin_date('created_on')
def num_lines(self, bill):
return bill.billlines__count
num_lines.admin_order_field = 'billlines__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 get_readonly_fields(self, request, obj=None):
fields = super(BillAdmin, self).get_readonly_fields(request, obj=obj)
if obj and obj.status != Bill.OPEN:
fields += self.add_fields
return fields
def get_fieldsets(self, request, obj=None):
fieldsets = super(BillAdmin, self).get_fieldsets(request, obj=obj)
if obj and obj.status == obj.OPEN:
fieldsets = (fieldsets[0],)
return fieldsets
def get_change_view_actions(self, obj=None):
actions = super(BillAdmin, self).get_change_view_actions(obj)
discard = []
if obj:
if obj.status != Bill.OPEN:
discard = ['close_bills']
if obj.status != Bill.CLOSED:
discard = ['send_bills']
if not discard:
return actions
return [action for action in actions if action.__name__ not in discard]
def get_inline_instances(self, request, obj=None):
if self.model is Budget:
self.inlines = [BudgetLineInline]
# Make parent object available for inline.has_add_permission()
request.__bill__ = obj
return super(BillAdmin, self).get_inline_instances(request, obj=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})
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('billlines'))
qs = qs.prefetch_related('billlines', 'billlines__sublines')
return qs
# def change_view(self, request, object_id, **kwargs):
# opts = self.model._meta
# if opts.module_name == 'bill':
# obj = self.get_object(request, unquote(object_id))
# return redirect(
# reverse('admin:bills_%s_change' % obj.type.lower(), args=[obj.pk]))
# 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(Budget, BillAdmin)