derpi_only_show_upvotes

25/06/2023 Replaces images' score with only upvotes, instead of the usual combined upvotes+downvotes. Also hides downvotes. Fetches the scores via API calls to https://derpibooru.org/api/v1/json/search/images?filter_id=56027&q=id:IMAGEID1 || id:IMAGEID2 max 15 per query

Versione datata 25/06/2023. Vedi la nuova versione l'ultima versione.

Dovrai installare un'estensione come Tampermonkey, Greasemonkey o Violentmonkey per installare questo script.

You will need to install an extension such as Tampermonkey to install this script.

Dovrai installare un'estensione come Tampermonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Userscripts per installare questo script.

Dovrai installare un'estensione come ad esempio Tampermonkey per installare questo script.

Dovrai installare un gestore di script utente per installare questo script.

(Ho già un gestore di script utente, lasciamelo installare!)

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

(Ho già un gestore di stile utente, lasciamelo installare!)

// ==UserScript==
// @name       derpi_only_show_upvotes
// @namespace   Violentmonkey Scripts
// @match       https://derpibooru.org/*
// @grant       none
// @version     1.2
// @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 API calls to https://derpibooru.org/api/v1/json/search/images?filter_id=56027&q=id:IMAGEID1 || id:IMAGEID2   max 15 per query
// ==/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 getUpvotesAndCallDisplaySingleUpvote(imageIds, maxImagesPerReq) {

		function prepareRequestUrls(imagedIds) {
			let requestUrlBase = `https://derpibooru.org/api/v1/json/search/images?filter_id=56027&q=id:${imagedIds[0]}`;
			let requestUrlsArray = [];

			let tempUrl = requestUrlBase;
			for (let i=1; i < imagedIds.length; i++) {
				tempUrl += ` || id:${imagedIds[i]}`;

				if (i / maxImagesPerReq === 1) {
					requestUrlsArray.push(tempUrl);
					tempUrl = requestUrlBase;
				}
			}

			if (tempUrl.length > 0) {
				requestUrlsArray.push(tempUrl);
			}
			return requestUrlsArray;
		}

		async function processRequest(res) {try{
			res = await res.json();
			res.images.forEach((image,i)=>{
				console.log(`imageID: ${image.id} upvotes: ${image.upvotes}`)
				displaySingleUpvote(image.upvotes, image.id);
			});
		}catch(err){
			console.log(err);
		}}

		let requestUrlsArray = prepareRequestUrls(imageIds);
		for (let i = 0; i < requestUrlsArray.length; i++) {
			await fetch(requestUrlsArray[i]).then((response) => {
				processRequest(response);
			})
		}
	}

	//displayAllUpvotes is unused
	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 getUpvotesAndCallDisplaySingleUpvote(imageIds, 15);
	}
})();