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##
# This file is part of TALER
# (C) 2014, 2015, 2016 Taler Systems SA
#
# TALER is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published
# by the Free Software Foundation; either version 3, or (at your
# option) any later version.
#
# TALER is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public
# License along with TALER; see the file COPYING. If not, see
# <http://www.gnu.org/licenses/>
#
# @author Marcello Stanisci
# @brief CLI utility that issues a wire transfer.
import sys
import logging
import json
from django.core.management.base import BaseCommand
from django.contrib.auth import authenticate
from taler.util.amount import Amount, BadFormatAmount
from ...views import wire_transfer
from ...models import BankAccount, BankTransaction
LOGGER = logging.getLogger(__name__)
##
# Django-specific definition to register the CLI utility.
class Command(BaseCommand):
help = "Wire transfer money and return the transaction id."
##
# Register the command line options of this command.
#
# @param self this object.
# @param parser API used to actually register the option.
def add_arguments(self, parser):
parser.add_argument(
"user",
type=str,
metavar="USERNAME",
help="Which user is performing the wire transfer"
)
parser.add_argument(
"password",
type=str,
metavar="PASSWORD",
help="Performing user's password."
)
parser.add_argument(
"credit-account",
type=int,
metavar="CREDIT-ACCOUNT",
help="Which account number will *receive* money."
)
parser.add_argument(
"subject",
type=str,
metavar="SUBJECT",
help="SUBJECT will be the wire transfer subject."
)
parser.add_argument(
"amount", type=str, metavar="AMOUNT",
help="Wire transfer's amount, given in the " \
"CURRENCY:X.Y form.")
##
# This callable gets invoked when the user invokes the
# CLI utility; it is responsible of making the wire transfer
# effective.
#
# @param self this object.
# @param args arguments list -- currently unused.
# @param options options given by the user at the command line.
def handle(self, *args, **options):
user = authenticate(
username=options["user"], password=options["password"]
)
if not user:
LOGGER.error("Wrong user/password.")
sys.exit(1)
try:
amount = Amount.parse(options["amount"])
except BadFormatAmount:
LOGGER.error("Amount's format is wrong: respect C:X.Y.")
sys.exit(1)
try:
credit_account = BankAccount.objects.get(
account_no=options["credit-account"]
)
except BankAccount.DoesNotExist:
LOGGER.error("Credit account does not exist.")
sys.exit(1)
try:
transaction = wire_transfer(
amount, user.bankaccount, credit_account, options["subject"]
)
print("Transaction id: " + str(transaction.id))
except Exception as exc:
LOGGER.error(exc)
sys.exit(1)
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