25/06/2023 Replaces images' score with only upvotes, instead of the usual combined upvotes+downvotes. Also hides downvotes. Fetches the scores via individual API calls to https://derpibooru.org/api/v1/json/images/imageNumber
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// ==UserScript==
// @name derpi_only_show_upvotes
// @namespace Violentmonkey Scripts
// @match https://derpibooru.org/*
// @grant none
// @version 1.0
// @license MIT
// @author Saphkey
// @description 25/06/2023 Replaces images' score with only upvotes, instead of the usual combined upvotes+downvotes. Also hides downvotes. Fetches the scores via individual API calls to https://derpibooru.org/api/v1/json/images/imageNumber
// ==/UserScript==
(function() {
function gatherImageIds() {
let images = document.getElementsByClassName('score');
let imageIds = [];
for (let i = 0; i < images.length; i++) {
imageIds.push(images[i].getAttribute('data-image-id'));
}
return imageIds;
}
function hideScores(){
let scoreEls = document.getElementsByClassName('score');
for (let i = 0; i < scoreEls.length; i++) {
scoreEls[i].innerHTML = '?';
}
}
function hideDownvotes() {
let downvoteEls = document.getElementsByClassName('downvotes');
for (let i = 0; i < downvoteEls.length; i++) {
downvoteEls[i].innerHTML = '?';
}
}
async function getUpvotesThenCallDisplayUpvotes(imageIds, maxParalelRequests) {
let requestQ = [];
let imageUpvotesObj = {};
async function processRequest(res) {try{
res = await res.json();
imageUpvotesObj[res.image.id] = res.image.upvotes;
console.log(`imageID: ${res.image.id} upvotes: ${res.image.upvotes}`)
//if (Object.keys(imageUpvotesObj).length === imageIds.length){
// displayAllUpvotes(imageUpvotesObj);
//}
displaySingleUpvote(res.image.upvotes, res.image.id);
}catch(err){
console.log(err);
}}
for (let i = 0; i < imageIds.length; i++) {
if (requestQ.length >= maxParalelRequests) {
let nextRequest = requestQ.shift()
await nextRequest.then((response) => {
processRequest(response);
})
}
requestQ.push(fetch(`https://derpibooru.org/api/v1/json/images/${imageIds[i]}`))
}
let nextRequest = requestQ[0];
while(nextRequest = requestQ.shift()) {
await nextRequest.then((response) => {
processRequest(response);
})
}
}
function displayAllUpvotes(upvotesObj) {
let scoreEls = document.getElementsByClassName('score');
for (let i = 0; i < scoreEls.length; i++) {
let scoreEl = scoreEls[i];
let imageId = scoreEl.getAttribute('data-image-id');
let upvotes = upvotesObj[imageId];
if (upvotes !== undefined) {
scoreEl.innerText = upvotes;
}
else {
scoreEl.innerText = '?';
}
}
}
function displaySingleUpvote(upvotes, imageId) {
let scoreEls = document.getElementsByClassName('score');
for (let i = 0; i < scoreEls.length; i++) {
let scoreEl = scoreEls.item(i);
if (scoreEl.getAttribute(`data-image-id`) == imageId){
scoreEl.innerHTML = upvotes;
}
}
}
window.onload = async function() {
hideScores();
hideDownvotes();
let imageIds = gatherImageIds();
await getUpvotesThenCallDisplayUpvotes(imageIds, 8);
}
})();