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KA voting script, this time without down-voting, hopefully for the KA extension.
(function () {
/* ---- Definitions and fetching information ---- */
const EXTENSION_ITEM_CLASSNAME = "m-better-voting";
let oldWrap = document.querySelector(".voting-wrap .discussion-meta-controls").firstChild;
//No voting wrap means we're looking at a child account program or a tutorial/offical video or program, contest, etc
if (!oldWrap || !oldWrap.innerText.includes("Vote")) {
return;
}
const unvotedClass = "link_1uvuyao-o_O-computing_77ub1h";
const votedClass = "link_1uvuyao-o_O-computing_1w8n1i8";
const attr = KAdefine.require("./javascript/scratchpads-package/scratchpad-ui.js").ScratchpadUI.scratchpad.attributes;
const cookie = KAdefine.require("./javascript/shared-package/cookies.js").readCookie("fkey"); //getCSRF()
let voted = oldWrap.innerText.includes("Voted Up"); //If we've voted
const orgVotes = attr.sumVotesIncremented - (voted ? 1 : 0); //Number of votes not counting ours
/* ---- Defining Custom Behavior ---- */
let newWrap = document.createElement("span");
newWrap.classList.add("voting-wrap");
newWrap.innerHTML = `
<a class="${unvotedClass} ${EXTENSION_ITEM_CLASSNAME}" id="m-vote-button">
<span id="m-vote-text">Vote Up</span> • <span id="m-vote-count">${orgVotes}</span>
</a>
`;
const voteCount = newWrap.querySelector("#m-vote-count");
const voteButton = newWrap.querySelector("#m-vote-button");
const voteText = newWrap.querySelector("#m-vote-text");
function mVoteClick () {
voted = !voted;
mVoteUpdate();
var req = new XMLHttpRequest();
req.addEventListener("load", function () {
if (this.status === 204) return; //204. No Content.
var res = JSON.parse(this.response);
if (res.error) {
alert("Failed with error:\n\n" + res.error);
}
});
//Send our vote
req.open("POST", `https://www.khanacademy.org/api/internal/discussions/voteentity?entity_key=${attr.key}&vote_type=${voted ? 1 : 0}`);
req.setRequestHeader("X-KA-FKey", cookie);
req.send();
}
function mVoteUpdate () {
voteText.innerText = voted ? "Voted Up!" : "Vote Up";
voteCount.innerText = orgVotes + (voted ? 1 : 0);
if (voted) {
voteButton.classList.replace(unvotedClass, votedClass);
}else {
voteButton.classList.replace(votedClass, unvotedClass);
}
}
newWrap.addEventListener("click", mVoteClick);
oldWrap.parentNode.insertBefore(newWrap, oldWrap);
oldWrap.parentNode.removeChild(oldWrap);
mVoteUpdate();
})("©Matthias");
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