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script.js
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script.js
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const container = document.querySelector('.container');
const seats = document.querySelectorAll('.row .seat');//:not(.occupied)'); // Selects all seats regardless of if they are occupied.
const count = document.getElementById('count');
const price = document.getElementById('price');
const movieSelect = document.getElementById('movie');
let ticketPrice = +movieSelect.value;
const populateUI = () => {
const selectedSeats = JSON.parse(localStorage.getItem('selectedSeats'));
if (selectedSeats !== null && selectedSeats.length > 0) {
seats.forEach((seat, index) => {
if (selectedSeats.indexOf(index) > -1) {
seat.classList.add('selected');
}
});
}
const selectedMovieIndex = localStorage.getItem('selectedMovieIndex');
const selectedMoviePrice = localStorage.getItem('selectedMoviePrice');
if (selectedMovieIndex !== null) {
movieSelect.selectedIndex = selectedMovieIndex;
}
if (selectedMoviePrice !== null) {
count.innerText = selectedSeats.length;
price.innerText = selectedSeats.length * +selectedMoviePrice;
}
};
populateUI();
selectedMovie = (movieIndex, moviePrice) => {
localStorage.setItem('selectedMovieIndex', movieIndex);
localStorage.setItem('selectedMoviePrice', moviePrice);
};
const updateSelectedSeatsCount = () => {
const selectedSeats = document.querySelectorAll('.row .selected');
const seatsIndex = [...selectedSeats].map(seat => [...seats].indexOf(seat));
localStorage.setItem('selectedSeats', JSON.stringify(seatsIndex));
const selectedSeatsCount = selectedSeats.length;
count.innerText = selectedSeatsCount;
price.innerText = selectedSeatsCount * ticketPrice;
};
// Seat select event
container.addEventListener('click', e => {
if (
e.target.classList.contains('seat') &&
!e.target.classList.contains('occupied')
) {
e.target.classList.toggle('selected');
updateSelectedSeatsCount();
}
});
// Movie select event
movieSelect.addEventListener('change', e => {
ticketPrice = +e.target.value;
selectedMovie(e.target.selectedIndex, e.target.value);
updateSelectedSeatsCount();
});
/********************************
| ----Additional code here---- |
| Group 3 - SENG 405 |
********************************/
// Holds the string of the movie
let currentMovieSlug = '';
// This function sets the slug to whatever
const setMovieSlug = () => {
currentMovieSlug = '';
let movie = movieSelect.options[movieSelect.selectedIndex].text;
movie = movie.slice(0, movie.lastIndexOf('$') - 1);
movie = movie.trim();
movie.replace(' ', '-');
currentMovieSlug = movie;
}
const populateOccupiedSeats = () => {
const occupiedSeats = JSON.parse(localStorage.getItem(currentMovieSlug + 'Occupied'));
seats.forEach(seat => seat.classList.remove('occupied'));
if (occupiedSeats != null && occupiedSeats.length > 0) {
seats.forEach((seat, index) => {
if (occupiedSeats.indexOf(index) > -1) {
seat.classList.remove('selected');
seat.classList.add('occupied');
}
});
}
}
const purchaseSeats = () => {
const selectedSeats = container.querySelectorAll('.seat.selected');
selectedSeats.forEach(seat => {
seat.classList.remove('selected');
seat.classList.add('occupied');
});
const seatIndex = [...selectedSeats].map(seat => [...seats].indexOf(seat));
localStorage.setItem(currentMovieSlug + 'Occupied', JSON.stringify(seatIndex));
}
const reset = () => {
localStorage.removeItem(currentMovieSlug + 'Occupied');
populateOccupiedSeats();
}
const purchaseBtn = document.querySelector('#purchase');
if (purchaseBtn != null) {
purchaseBtn.addEventListener('click', purchaseSeats);
}
const resetBtn = document.querySelector('#reset');
if (resetBtn != null) {
resetBtn.addEventListener('click', reset);
}
movieSelect.addEventListener('change', () => {
setMovieSlug();
populateOccupiedSeats();
});
setMovieSlug();
populateOccupiedSeats();