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Added ATM management System in Python #5181

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Added ATM management System in Python #5181

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130 changes: 130 additions & 0 deletions Python Projects/ATM project/ATM.py
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import os
import json
import datetime

current_directory = os.getcwd()
filename = "atmdb.json"
full_path = os.path.join(current_directory, filename)


class Method:
def __init__(self,user):
temp = []
with open(full_path, 'r') as f:
db = json.load(f)
for userCred in db :
if(userCred["userName"] != user["userName"]):
temp.append(userCred)
else:
temp.append(user)
with open(full_path, 'w') as fW:
json.dump(temp, fW, indent=4)

class UserLogin:
def __init__(self, userName, pin):
self.userName = userName
self.pin = pin

def checkCredentials(self):
with open(full_path, 'r') as f:
db = json.load(f)
for userCred in db:
if userCred["userName"] == self.userName:
if (userCred["pin"] == self.pin):
print("Login Successful")
return userCred
else:
print("Invalid Password")
exit()
else:
print("Invalid Credentials")
exit()


class TransactionsHistory:
def __init__(self, transactionHistory):
print("TRANSID\tTYPE\tAMOUNT\tDATE\tBALANCE")
for data in transactionHistory.get("transactions"):
print(f"{data['transID']}\t{data['type']}\t{data['amt']}\t{data['dateOfTrans']}\t{data['currentBal']}")


class Withdraw:
def __init__(self, amt,user):
newData = {}
currAmt = user["Balance"] - amt
newData["transID"] = 124578
newData["type"] = "debit"
newData["amt"] = amt
newData["dateOfTrans"] = f"{datetime.datetime.now()}"
newData["currentBal"] = currAmt
user["Balance"] = currAmt
user["transactions"].append(newData)
Method(user)
print("Data Saved Successfully!")




class Deposit:
def __init__(self, amt,user):
newData = {}
currAmt = user["Balance"] + amt
newData["transID"] = 124578
newData["type"] = "credit"
newData["amt"] = amt
newData["dateOfTrans"] = f"{datetime.datetime.now()}"
newData["currentBal"] = currAmt
user["Balance"] = currAmt
user["transactions"].append(newData)
Method(user)
print("Data Saved Successfully!")


class Transfer:
def __init__(self,user):
self.user = user
def sendMoney(self):
amt = int(input("Enter the amount: "))
upi = input("Enter UPI ID: ")
newData = {}
currAmt = user["Balance"] - amt
newData["transID"] = 124578
newData["upiID"] = upi
newData["type"] = "debit"
newData["amt"] = amt
newData["dateOfTrans"] = f"{datetime.datetime.now()}"
newData["currentBal"] = currAmt
user["Balance"] = currAmt
user["transactions"].append(newData)
Method(user)
print("Data Saved Successfully!")





# Driver's code
print("\n********** Welcome to our ATM **********")
userName = input("Enter your user ID: ")
pin = int(input("Enter your PIN : "))

userLogin = UserLogin(userName, pin)
user = userLogin.checkCredentials()
print("MENU List:- ")
print("\n[1]. View Transaction History\n[2]. Make a withdrawal \n[3]. Make deposit \n[4]. Transaction history \n[5]. Exit the program.\n")
while (True):
op = int(input("\nEnter your choice: "))
match(op):
case 1:
TransactionsHistory(user)
case 2:
amt = int(input("Enter the amount you want to withdraw: "))
Withdraw(amt,user)
case 3:
amt = int(input("Enter the amount you want to deposite: "))
Deposit(amt,user)
case 4:
Transfer(user).sendMoney()
case 5:
print("Thanks for using our ATM service.\n")
break
115 changes: 115 additions & 0 deletions Python Projects/ATM project/atmdb.json
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[
{
"userName": "crazy",
"pin": 4444,
"Balance": 10000,
"transactions": [
{
"transID": 124536,
"type": "credit",
"amt": 1000,
"dateOfTrans": "2023-09-27 11:44:29.475018",
"currentBal": 10000
},
{
"transID": 124537,
"type": "debit",
"amt": 500,
"dateOfTrans": "2023-09-27 11:44:29.475018",
"currentBal": 9500
},
{
"transID": 124578,
"type": "debit",
"amt": 50,
"dateOfTrans": "2023-09-27 11:49:46.242608",
"currentBal": 9450
},
{
"transID": 124578,
"type": "debit",
"amt": 50,
"dateOfTrans": "2023-09-27 11:50:00.298747",
"currentBal": 9400
},
{
"transID": 124578,
"type": "debit",
"amt": 3,
"dateOfTrans": "2023-09-27 11:56:56.641310",
"currentBal": 9397
},
{
"transID": 124578,
"type": "debit",
"amt": 3,
"dateOfTrans": "2023-09-27 11:57:09.065439",
"currentBal": 9400
},
{
"transID": 124578,
"type": "debit",
"amt": 5,
"dateOfTrans": "2023-09-27 12:04:00.439480",
"currentBal": 9395
},
{
"transID": 124578,
"type": "credit",
"amt": 4,
"dateOfTrans": "2023-09-27 12:04:02.055387",
"currentBal": 9399
},
{
"transID": 124578,
"upiID": "soubhik",
"type": "debit",
"amt": 100,
"dateOfTrans": "2023-09-27 12:05:53.631628",
"currentBal": 9299
},
{
"transID": 124578,
"type": "debit",
"amt": 100,
"dateOfTrans": "2023-09-27 12:14:22.382354",
"currentBal": 9199
},
{
"transID": 124578,
"type": "debit",
"amt": 121,
"dateOfTrans": "2023-09-27 12:14:30.445988",
"currentBal": 9078
},
{
"transID": 124578,
"type": "debit",
"amt": 78,
"dateOfTrans": "2023-09-27 12:14:37.022460",
"currentBal": 9000
},
{
"transID": 124578,
"type": "credit",
"amt": 1000,
"dateOfTrans": "2023-09-27 12:14:45.614085",
"currentBal": 10000
}
]
},
{
"userName": "alpha",
"pin": 1234,
"Balance": 10000,
"transactions": [
{
"transID": 124536,
"type": "credit",
"amt": 1000,
"dateOfTrans": "2023-09-27 11:44:29.475018",
"currentBal": 10000
}
]
}
]