def make_transaction(account_data, tran_type, amount, **others):
amount = float(amount)
if tran_type in settings.TRANSACTION_TYPE:
interest = amount * settings.TRANSACTION_TYPE[tran_type]['interest']
old_balance = account_data['balance']
if settings.TRANSACTION_TYPE[tran_type]['action'] == 'plus':
new_balance = old_balance + amount + interest
account_data['balance'] = new_balance
accounts.dump_account(account_data)
logger.card_log(account_data['username'], 'transaction').info(
"用户:%s 操作:%s 金额:%s 利息:%s" %
(account_data['username'], tran_type, amount, interest))
return account_data
elif settings.TRANSACTION_TYPE[tran_type]['action'] == 'minus':
new_balance = old_balance - amount - interest
# check credit
if new_balance < 0:
print('''\033[31;1m账号[%s] 不够 [-%s], 你现在的余额：
[%s]''' % (account_data['username'],
(amount + interest), old_balance))
logger.card_log(account_data['username'], 'transaction').info(
"用户:%s 操作:%s 金额:%s 利息:%s 现在账户余额：%s 不够" %
(account_data['username'], tran_type, amount, interest,
account_data['balance']))
else:
account_data['balance'] = new_balance
accounts.dump_account(
account_data) # save the new balance back to file
logger.card_log(account_data['username'], 'transaction').info(
"用户:%s 操作:%s 金额:%s 利息:%s" %
(account_data['username'], tran_type, amount, interest))
return account_data
else:
print("交易类型 [%s] 不存在!" % tran_type)
def defrosting(account):
# 定义一个解冻函数
choice_user()
username = now_username
if username:
data = accounts.load_current_balance(username)
if data['status'] == 1:
print('\033[31;1m当前信用卡未冻结\033[0m')
if data['status'] == 0:
free = input('\033[33;1m当前信用卡已解冻,按任意键选择解冻 按b返回>>>\033[0m')
if free != 'b':
data['status'] = 1
accounts.dump_account(data)
print('\033[31;1m当前信用卡已解冻\033[0m')
def freezing(account):
# 定义一个冻结信用卡函数
choice_user()
username = now_username
if username:
data = accounts.load_current_balance(username)
if data['status'] == 0:
print('\033[31;1m当前信用卡已冻结\033[0m')
if data['status'] == 1:
free = input('\033[33;1m当前信用卡未冻结,按任意键选择冻结 按b返回>>>\033[0m')
if free != 'b':
data['status'] = 0
accounts.dump_account(data)
print('\033[31;1m当前信用卡已冻结\033[0m')
def transfer(user_account):
# 定义一个用户转账的函数
count = 0
while count < 3:
transfer = input('\033[33;1m请输入需转账人用户名,取消转账c>>>\033[0m')
if transfer == 'c':
break
db_path_user1 = db_path + '\%s.json' % transfer # 需被转账用户
login_account_username = user_account['account_data']["username"]
if transfer == login_account_username:
print('\033[31;1m转账不能转给自己\033[0m')
else:
if os.path.isfile(db_path_user1):
# 判断用户文件是否存在
account_data_transfer = accounts.load_current_balance(transfer) # 转账用户
account_data_user = accounts.load_current_balance(login_account_username) # 当前用户
print('\033[33;1m转账用户信用卡号为:\033[0m \033[32;1m %s \033[0m' % transfer)
while True:
inputs = input('\033[33;1m取消转账:按Q|q取消>>>\033[0m')
if inputs.capitalize() == 'Q':
break
money = input('\033[33;1m请输入需转账金额:\033[0m')
if money.isdigit():
money = int(money)
if money > account_data_user["balance"]: # 判断转账金额是否大于存款
print('\033[31;1m对不起您的存款不足,无法转账\033[0m')
else:
print('\033[31;1m转账用户卡号: %s 转账金额:￥%s\033[0m'
% (account_data_transfer["username"], money))
inputs = input('\033[33;1m请再次确认转账信息数据:按Q|q取消>>>\033[0m')
if inputs.capitalize() == 'Q':
break
else:
data = transaction.make_transaction(account_data=account_data_user,
tran_type='transfer',
amount=money)
print('ok')
if data:
account_data_transfer['balance'] = account_data_transfer['balance'] + money
accounts.dump_account(account_data_transfer)
else:
print('\033[31;1m请输入有效转账金额\033[0m')
else:
count += 1
print('\033[31;1m该用户不存在,请重新输入还剩 %s 次机会\033[0m' % (3 - count))
def limit(account):
# 定义一个提升信用额度函数
choice_user()
username = now_username
if username:
data = accounts.load_current_balance(username)
print('\033[33;1m尊敬的用户您当前信用额度是 %s元' % data["credit"])
limit = input('\033[34;1m是否选择提升信用额度 按任意键确认提示 按Q取消提升>>>')
if limit.capitalize() != 'Q':
while True:
lines = input('\033[35;1m请输入提升信用额度>>>\033[0m')
if lines.isdigit():
lines = int(lines)
if lines <= 2000:
data['credit'] = data['credit'] + lines
accounts.dump_account(data)
print('\033[31;1m当前信用额度提升为：%s元 \033[0m' %
data['credit'])
break
else:
print('\033[31;1m提升额度超出提升范围\033[0m')
else:
print('\033[31;1m请输入有效提升额度\033[0m')