def credit_huankuan():
show_current_user()
current_credit = int(current_user_info_dic["current_credit"])
max_credit = int(current_user_info_dic["max_credit"])
balance = int(current_user_info_dic["balance"])
need_to_pay = max_credit - current_credit
# 用储蓄账户换信用账户的逻辑
if need_to_pay == 0:
# 不需要还款的情况
print("you do not need to 还款")
elif need_to_pay <= balance and need_to_pay > 0:
# 储蓄卡余额是足够的
# 额度恢复
current_user_info_dic["current_credit"] = current_credit + need_to_pay
# 储蓄卡现金减少
current_user_info_dic["balance"] = balance - need_to_pay
# 写进文件
all_user_info_dic[
current_user_info_dic["name"]] = current_user_info_dic
common.write_to_file_with_json(all_user_info_dic,
setting.ALL_USER_INFO_FILE_PATH)
common.show_my_log("还款成功")
# 显示当前用户信息
show_current_user()
else:
# 储蓄卡的余额不够
s = "you not have enough money, balance: {}, need_to_pay: {}".format(
balance, need_to_pay)
print(s)
def store_or_draw_money(action):
while True:
count = str(input("how much:")).strip()
if count.isnumeric():
# 输入的是数字, 开始执行存钱或者取钱 逻辑
if action == "store" or action == 1:
# 存钱
current_user_info_dic["balance"] += int(count)
print("存钱成功")
elif action == "draw" or action == 2:
# 取钱
if current_user_info_dic["balance"] > int(count):
current_user_info_dic["balance"] -= int(count)
print("取钱成功")
else:
print("you do not have enough money")
break
elif action == "yxyk" or action == 3:
# 使用信用卡
current_credit = int(current_user_info_dic["current_credit"])
if int(count) <= current_credit:
# 信用卡的额度足够
make_bill_record(
int(count)) # 该函数构造其他记录信息, update本次消费记录的数据到文件
current_user_info_dic[
"current_credit"] = current_credit - int(count)
print("刷卡成功")
else:
# 信用卡的额度不够
print("you credit is not enough")
return
# 把当前用户信息写入到文件,如果前面操作成功,如果操作失败,会直接 return
all_user_info_dic[
current_user_info_dic["name"]] = current_user_info_dic
common.write_to_file_with_json(all_user_info_dic,
setting.ALL_USER_INFO_FILE_PATH)
common.show_my_log("action is success")
# print(current_user_info_dic)
show_current_user()
break
else:
print("numeric is valid")
continue
def make_bill_record(count):
current_user_name = current_user_info_dic["name"]
# 所有用户的账单记录
bill_record_with_user_dic = common.read_from_file_with_json(
setting.ALL_USER_BILL_RECORD_FILE_PATH)
# 当前用户的账单记录
bill_record_dic = bill_record_with_user_dic.setdefault(
current_user_name, {})
# 构造本次的交易时间记录
time_stamp = time.time()
count = int(count)
project = input("购买了什么东西:")
bill_record_dic[time_stamp] = {"project": project, "count": count}
bill_record_with_user_dic[current_user_info_dic["name"]] = bill_record_dic
common.write_to_file_with_json(bill_record_with_user_dic,
setting.ALL_USER_BILL_RECORD_FILE_PATH)
print("make bill record is success")
return count
def add_user():
# 设计思路, 把所有的用户读出来,修改,然后再覆盖
all_user_info = fetch_all_user()
current_user_info = input_user_info()
# 密码使用md5算法加密,在存储
password_md5_after = common.hashlib_md5(current_user_info["password"])
current_user_info["password"] = password_md5_after
# update all_user_info
all_user_info[current_user_info["name"]] = current_user_info
# override db
# user_info_file_path = os.path.join(setting.APP_DIR, "db", "user_info.json")
# with open(user_info_file_path, "w", encoding="utf-8") as user_info_file:
# json.dump(all_user_info, user_info_file)
# 利用自己在common module 写的函数,把当前用户信息直接写到文件
# 目录只是使用在setting中设置的
common.write_to_file_with_json(all_user_info,
setting.ALL_USER_INFO_FILE_PATH)
print(current_user_info) # 打印当前用户信息
print("add user success")
def transfer_accounts():
all_user_names = all_user_info_dic.keys()
while True:
dist_name = str(input("to:"))
if dist_name not in all_user_names:
# user is not exist
print("user is not in system, please contact admin")
continue
else:
# user is exist
break
while True:
money = str(input("money:"))
if not money.isnumeric():
print("just numeric is valid")
continue
else:
money = int(money)
break
# 修改相应账户的数据
current_user_balance = current_user_info_dic["balance"]
dist_user_info_dic = all_user_info_dic[dist_name]
if current_user_balance < money:
# 没有足够的钱转出
s = '''
you do not have enough money in you balance
current balance: {balance}
want to transfer: {money}
'''.format(balance=current_user_balance, money=money)
print(s)
else:
# 有足够的钱转出
current_user_info_dic["balance"] = current_user_balance - money
dist_user_info_dic["balance"] += money
all_user_info_dic[dist_name] = dist_user_info_dic
common.write_to_file_with_json(all_user_info_dic,
setting.ALL_USER_INFO_FILE_PATH)
print("transfer account is success")