nk20/apps/note/tables.py

27 lines
815 B
Python

# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
# SPDX-License-Identifier: GPL-3.0-or-later
import django_tables2 as tables
from django.db.models import F
from .models.transactions import Transaction
class HistoryTable(tables.Table):
class Meta:
attrs = {
'class':
'table table-condensed table-striped table-hover'
}
model = Transaction
template_name = 'django_tables2/bootstrap4.html'
sequence = ('...', 'total', 'valid')
total = tables.Column() # will use Transaction.total() !!
def order_total(self, queryset, is_descending):
# needed for rendering
queryset = queryset.annotate(total=F('amount') * F('quantity')) \
.order_by(('-' if is_descending else '') + 'total')
return (queryset, True)