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document.querySelector(".wrapper").style.opacity = 1;
function send(text, vote) {
var xhp = new XMLHttpRequest();
xhp.open("POST", "/api/vote");
xhp.setRequestHeader("Content-type", "application/json");
xhp.onreadystatechange = () => {
if (xhp.readyState == 4 && xhp.status == 200) console.log(xhp.responseText);
};
xhp.send(JSON.stringify({ text, vote }));
}
function initCards() {
let newCards = document.querySelectorAll(".card:not(.removed)");
newCards.forEach((card, index) => {
card.style.zIndex = newCards.length - index;
card.style.transform =
"scale(" + (20 - index) / 20 + ") translateY(-" + 30 * index + "px)";
card.style.opacity = (10 - index) / 10;
});
}
function start() {
initCards();
let cards = document.querySelectorAll(".card");
cards.forEach((card) => {
let hammer = new Hammer(card);
hammer.on("pan", (event) => {
card.classList.add("moving");
if (event.deltaX === 0) return;
if (event.center.x === 0 && event.center.y === 0) return;
const xMulti = event.deltaX * 0.03;
const yMulti = event.deltaY / 80;
const rotate = xMulti * yMulti;
event.target.style.transform =
"translate(" +
event.deltaX +
"px, " +
event.deltaY +
"px) rotate(" +
rotate +
"deg)";
});
hammer.on("panend", (event) => {
card.classList.remove("moving");
const moveOutWidth = document.body.clientWidth;
const keep =
Math.abs(event.deltax) < 80 || Math.abs(event.velocityX) < 0.5;
event.target.classList.toggle("removed", !keep);
if (keep) {
event.target.style.transform = "";
} else {
event.target.style.opacity = 0;
const endX = Math.max(
Math.abs(event.velocityX) * moveOutWidth,
moveOutWidth
);
const toX = event.deltaX > 0 ? endX : -endX;
const endY = Math.abs(event.velocityY) * moveOutWidth;
var toY = event.deltaY > 0 ? endY : -endY;
var xMulti = event.deltaX * 0.03;
var yMulti = event.deltaY / 80;
var rotate = xMulti * yMulti;
event.target.style.transform =
"translate(" +
toX +
"px, " +
(toY + event.deltaY) +
"px) rotate(" +
rotate +
"deg)";
send(event.target.innerText, toX > 0 ? 1 : -1);
initCards();
}
});
});
}
function shuffleArray(array) {
for (let i = array.length - 1; i > 0; i--) {
const j = Math.floor(Math.random() * (i + 1));
[array[i], array[j]] = [array[j], array[i]];
}
}
var xhp = new XMLHttpRequest();
xhp.open("GET", "/api/list");
xhp.onreadystatechange = () => {
if (xhp.readyState == 4 && xhp.status == 200) {
let list = xhp.responseText.split("\n");
shuffleArray(list);
list = list.slice(0, 100);
const cards_element = document.querySelector(".cards");
list.forEach((element) => {
const card = document.createElement("div");
card.setAttribute("class", "card");
const h1 = document.createElement("h1");
h1.innerText = "ABI 2021";
const h2 = document.createElement("h2");
h2.innerText = element;
card.appendChild(h1);
card.appendChild(h2);
cards_element.appendChild(card);
});
start();
}
};
xhp.send();
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