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script.js
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script.js
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'use strict';
// BANKIST APP
// Data
const account1 = {
owner: 'Alan Panicker',
movements: [200, 450, -400, 3000, -650, -130, 70, 1300],
interestRate: 1.2, // %
pin: 1111,
};
const account2 = {
owner: 'Aryan Nair',
movements: [5000, 3400, -150, -790, -3210, -1000, 8500, -30],
interestRate: 1.5,
pin: 2222,
};
const account3 = {
owner: 'Kaushal Apastambh',
movements: [200, -200, 340, -300, -20, 50, 400, -460],
interestRate: 0.7,
pin: 3333,
};
const account4 = {
owner: 'Karan Ransing',
movements: [430, 1000, 700, 50, 90],
interestRate: 1,
pin: 4444,
};
const accounts = [account1, account2, account3, account4];
// Elements
const labelWelcome = document.querySelector('.welcome');
const labelDate = document.querySelector('.date');
const labelBalance = document.querySelector('.balance__value');
const labelSumIn = document.querySelector('.summary__value--in');
const labelSumOut = document.querySelector('.summary__value--out');
const labelSumInterest = document.querySelector('.summary__value--interest');
const labelTimer = document.querySelector('.timer');
const containerApp = document.querySelector('.app');
const containerMovements = document.querySelector('.movements');
const btnLogin = document.querySelector('.login__btn');
const btnTransfer = document.querySelector('.form__btn--transfer');
const btnLoan = document.querySelector('.form__btn--loan');
const btnClose = document.querySelector('.form__btn--close');
const btnSort = document.querySelector('.btn--sort');
const inputLoginUsername = document.querySelector('.login__input--user');
const inputLoginPin = document.querySelector('.login__input--pin');
const inputTransferTo = document.querySelector('.form__input--to');
const inputTransferAmount = document.querySelector('.form__input--amount');
const inputLoanAmount = document.querySelector('.form__input--loan-amount');
const inputCloseUsername = document.querySelector('.form__input--user');
const inputClosePin = document.querySelector('.form__input--pin');
const displayMovements = function (movements, sort = false) {
containerMovements.innerHTML = '';
const movs = sort ? movements.slice().sort((a, b) => a - b) : movements;
movs.forEach(function (mov, i) {
const type = mov > 0 ? 'deposit' : 'withdrawal';
const html = `
<div class="movements__row">
<div class="movements__type movements__type--${type}">${
i + 1
} ${type}</div>
<div class="movements__value">${mov}₹</div>
</div>`;
containerMovements.insertAdjacentHTML('afterbegin', html);
});
};
const startLogOutTimer = function () {
const tick = function () {
const min = String(Math.trunc(time / 60)).padStart(2, 0);
const sec = String(time % 60).padStart(2, 0);
// In each call, print the remaining time to UI
labelTimer.textContent = `${min}:${sec}`;
// When 0 seconds, stop timer and log out user
if (time === 0) {
clearInterval(timer);
labelWelcome.textContent = 'Log in to get started';
containerApp.style.opacity = 0;
}
// Decrease 1s
time--;
};
// Set time to 5 minutes
let time = 120;
// Call the timer every second
tick();
const timer = setInterval(tick, 1000);
return timer;
};
const createUsernames = function (accs) {
accs.forEach(function (acc) {
acc.username = acc.owner
.toLowerCase()
.split(' ')
.map(name => name[0])
.join('');
});
// const user = 'Steven Thomas Williams';
};
createUsernames(accounts);
const calcDisplayBalance = function (acc) {
acc.balance = acc.movements.reduce((acc, mov) => acc + mov, 0);
// console.log(balance);
labelBalance.textContent = `₹${acc.balance}`;
};
const calcDisplaySummary = function (acc) {
const incomes = acc.movements
.filter(mov => mov > 0)
.reduce((acc, mov) => acc + mov, 0);
labelSumIn.textContent = `₹${incomes}`;
const out = acc.movements
.filter(mov => mov < 0)
.reduce((acc, mov) => acc + mov, 0);
labelSumOut.textContent = `₹${Math.abs(out)}`;
const interest = acc.movements
.filter(mov => mov > 0)
.map(deposit => (deposit * acc.interestRate) / 100)
.filter((int, i, arr) => {
// console.log(arr);
return int >= 1;
})
.reduce((acc, int) => acc + int, 0);
labelSumInterest.textContent = `₹${interest}`;
};
const updateUI = function (acc) {
//Display movements
displayMovements(acc.movements);
//Display balance
calcDisplayBalance(acc);
//Display summary
calcDisplaySummary(acc);
};
//Event Handler
let currentAccount;
btnLogin.addEventListener('click', function (e) {
e.preventDefault();
currentAccount = accounts.find(
acc => acc.username === inputLoginUsername.value
);
console.log(currentAccount);
if (currentAccount?.pin === Number(inputLoginPin.value)) {
//Display UI and message
labelWelcome.textContent = `Welcome back, ${
currentAccount.owner.split(' ')[0]
}`;
containerApp.style.opacity = 100;
//Clear input fields
inputLoginUsername.value = inputLoginPin.value = '';
inputLoginPin.blur();
updateUI(currentAccount);
}
});
btnTransfer.addEventListener('click', function (e) {
e.preventDefault();
const amount = Number(inputTransferAmount.value);
const recieverAcc = accounts.find(
acc => acc.username === inputTransferTo.value
);
console.log(amount, recieverAcc);
inputTransferAmount.value = inputTransferTo.value = '';
if (
amount > 0 &&
recieverAcc &&
currentAccount.balance >= amount &&
recieverAcc?.username !== currentAccount.username
) {
// Doing the transfer
currentAccount.movements.push(-amount);
recieverAcc.movements.push(amount);
//Update UI
updateUI(currentAccount);
}
});
btnLoan.addEventListener('click', function (e) {
e.preventDefault();
const amount = Number(inputLoanAmount.value);
if (amount > 0 && currentAccount.movements.some(mov => mov >= amount * 0.1)) {
currentAccount.movements.push(amount);
//Update UI
updateUI(currentAccount);
}
});
btnClose.addEventListener('click', function (e) {
e.preventDefault();
if (
inputCloseUsername.value === currentAccount.username &&
Number(inputClosePin.value) === currentAccount.pin
) {
const index = accounts.findIndex(
acc => acc.username === currentAccount.username
);
console.log(index);
//Delete UI
accounts.splice(index, 1);
//Hide UI
containerApp.style.opacity = 0;
}
inputCloseUsername.value = inputClosePin.value = '';
});
let sorted = false;
btnSort.addEventListener('click', function (e) {
e.preventDefault();
displayMovements(currentAccount, !sorted);
sorted = !sorted;
});
/////////////////////////////////////////////////
// LECTURES
const movements = [200, 450, -400, 3000, -650, -130, 70, 1300];
/////////////////////////////////////////////////
const arr = [1, 2, 3, 4, 5, 6, 7];
const x = new Array(7);
labelBalance.addEventListener('click', function () {
const movementsUI = Array.from(
document.querySelectorAll('.movements__value'),
el => el.textContent.replace('₹', '')
);
console.log(movementsUI);
});