168 lines
6.8 KiB
Python
168 lines
6.8 KiB
Python
from django import forms
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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.core.urlresolvers import reverse
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from django.db import models
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from django.utils.safestring import mark_safe
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from django.utils.translation import ugettext_lazy as _
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from orchestra.admin import ExtendedModelAdmin
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from orchestra.admin.utils import admin_date
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from orchestra.apps.accounts.admin import AccountAdminMixin
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from . import settings
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from .actions import download_bills, view_bill, close_bills, send_bills
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from .filters import BillTypeListFilter
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from .models import Bill, Invoice, AmendmentInvoice, Fee, AmendmentFee, ProForma, BillLine
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PAYMENT_STATE_COLORS = {
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Bill.PAID: 'green',
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Bill.PENDING: 'darkorange',
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Bill.BAD_DEBT: 'red',
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}
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class BillLineInline(admin.TabularInline):
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model = BillLine
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fields = ('description', 'rate', 'quantity', 'tax', 'subtotal', 'get_total')
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readonly_fields = ('get_total',)
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def get_readonly_fields(self, request, obj=None):
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if obj and not obj.is_open:
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return self.fields
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return super(BillLineInline, self).get_readonly_fields(request, obj=obj)
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def has_add_permission(self, request):
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if request.__bill__ and not request.__bill__.is_open:
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return False
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return super(BillLineInline, self).has_add_permission(request)
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def has_delete_permission(self, request, obj=None):
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if obj and not obj.is_open:
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return False
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return super(BillLineInline, self).has_delete_permission(request, obj=obj)
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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':'110'})
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else:
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kwargs['widget'] = forms.TextInput(attrs={'size':'13'})
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return super(BillLineInline, self).formfield_for_dbfield(db_field, **kwargs)
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class BillAdmin(AccountAdminMixin, ExtendedModelAdmin):
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list_display = (
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'number', 'type_link', 'account_link', 'created_on_display',
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'num_lines', 'display_total', 'display_payment_state', 'is_open'
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)
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list_filter = (BillTypeListFilter, 'is_open',)
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add_fields = ('account', 'type', 'is_open', 'due_on', 'comments')
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fieldsets = (
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(None, {
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'fields': ('number', 'display_total', 'account_link', 'type',
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'display_payment_state', 'is_sent', 'due_on', 'comments'),
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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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actions = [download_bills, close_bills, send_bills]
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change_view_actions = [view_bill, download_bills, send_bills, close_bills]
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change_readonly_fields = ('account_link', 'type', 'is_open')
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readonly_fields = ('number', 'display_total', 'is_sent', 'display_payment_state')
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inlines = [BillLineInline]
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created_on_display = admin_date('created_on')
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def num_lines(self, bill):
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return bill.lines__count
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num_lines.admin_order_field = 'lines__count'
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num_lines.short_description = _("lines")
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def display_total(self, bill):
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return "%s &%s;" % (bill.total, settings.BILLS_CURRENCY.lower())
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display_total.allow_tags = True
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display_total.short_description = _("total")
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display_total.admin_order_field = 'total'
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def type_link(self, bill):
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bill_type = bill.type.lower()
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url = reverse('admin:bills_%s_changelist' % bill_type)
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return '<a href="%s">%s</a>' % (url, bill.get_type_display())
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type_link.allow_tags = True
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type_link.short_description = _("type")
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type_link.admin_order_field = 'type'
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def display_payment_state(self, bill):
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topts = bill.transactions.model._meta
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url = reverse('admin:%s_%s_changelist' % (topts.app_label, topts.module_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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color = PAYMENT_STATE_COLORS.get(bill.payment_state, 'grey')
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return '<a href="{url}" style="color:{color}">{name}</a>'.format(
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url=url, color=color, name=state)
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display_payment_state.allow_tags = True
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display_payment_state.short_description = _("Payment")
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def get_readonly_fields(self, request, obj=None):
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fields = super(BillAdmin, self).get_readonly_fields(request, obj=obj)
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if obj and not obj.is_open:
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fields += self.add_fields
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return fields
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def get_fieldsets(self, request, obj=None):
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fieldsets = super(BillAdmin, self).get_fieldsets(request, obj=obj)
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if obj and obj.is_open:
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fieldsets = (fieldsets[0],)
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return fieldsets
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def get_change_view_actions(self, obj=None):
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actions = super(BillAdmin, self).get_change_view_actions()
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exclude = []
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if obj:
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if not obj.is_open:
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exclude.append('close_bills')
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return [action for action in actions if action.__name__ not in exclude]
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def get_inline_instances(self, request, obj=None):
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# Make parent object available for inline.has_add_permission()
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request.__bill__ = obj
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return super(BillAdmin, self).get_inline_instances(request, obj=obj)
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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 == 'comments':
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kwargs['widget'] = forms.Textarea(attrs={'cols': 70, 'rows': 4})
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if db_field.name == 'html':
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kwargs['widget'] = forms.Textarea(attrs={'cols': 150, 'rows': 20})
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return super(BillAdmin, self).formfield_for_dbfield(db_field, **kwargs)
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def get_queryset(self, request):
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qs = super(BillAdmin, self).get_queryset(request)
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qs = qs.annotate(models.Count('lines'))
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qs = qs.prefetch_related('lines', 'lines__sublines')
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return qs
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def change_view(self, request, object_id, **kwargs):
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bill = self.get_object(request, unquote(object_id))
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# TODO raise404, here and everywhere
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if not hasattr(bill.account, 'invoicecontact'):
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create_link = reverse('admin:accounts_account_change', args=(bill.account_id,))
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create_link += '#invoicecontact-group'
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messages.warning(request, mark_safe(_(
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'Be aware, related contact doesn\'t have a billing contact defined, '
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'bill can not be generated until one is <a href="%s">provided</a>' % create_link
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)))
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return super(BillAdmin, self).change_view(request, object_id, **kwargs)
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admin.site.register(Bill, BillAdmin)
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admin.site.register(Invoice, BillAdmin)
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admin.site.register(AmendmentInvoice, BillAdmin)
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admin.site.register(Fee, BillAdmin)
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admin.site.register(AmendmentFee, BillAdmin)
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admin.site.register(ProForma, BillAdmin)
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