Ruqqus viewed posts tracker

Tracks the posts you have already seen. Works with RuqES expando button and infinite scroll (not required!).

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

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

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         Ruqqus viewed posts tracker
// @namespace    Doomness
// @version      0.6
// @description  Tracks the posts you have already seen. Works with RuqES expando button and infinite scroll (not required!).
// @author       @Doomness
// @match        https://ruqqus.com/*
// @require      https://cdn.jsdelivr.net/npm/[email protected]/dist/jquery.min.js
// @grant        none
// @homepageURL  https://github.com/NoudH/Ruqqus-viewed-posts-tracker
// @supportURL   https://github.com/NoudH/Ruqqus-viewed-posts-tracker/issues
// ==/UserScript==

/* jshint esversion: 6 */

/* Feel free to change these values to better fit your needs */
let maxViewedPostsCount = 1000 // type: number >= 0; Maximum number of posts to store in the localstorage, 0 is infinite;
/* --------------- */

let viewedPosts = localStorage.getItem('viewedPosts') ? JSON.parse(localStorage.getItem('viewedPosts')) : [];
let cardCount = $('.card').length;

const addStyle = (style) => {
    style = style instanceof Array ? style.join('\n') : style;
    $('head').append($('<style type="text/css">' + style + '</style>'));
};

addStyle(`
.viewedPost-link {
    color: #805ad5!important;
}
`);

const viewedPostsContainsUrl = (url) => {
	return viewedPosts.filter(x => url.includes(x.url)).length > 0;
};

const rememberLink = ($el, url) => {
	if(!viewedPostsContainsUrl(url)){
		viewedPosts.push({date: new Date(), url: url});
		localStorage.setItem('viewedPosts', JSON.stringify(viewedPosts));
		$el.addClass('viewedPost-link');
	}
};

const setupRuqesButton = () => {
	$('a.RuqES-by-enefi--expando-button').click(function() {
		var $linkEl = $(this).closest('div.card').find('a.stretched-link');
		rememberLink($linkEl, $linkEl.attr('href'));
	});
};

const setupLinkClicked = () => {
	//Title anchor
	$('a.stretched-link').mousedown(function() {
		var $linkEl = $(this);
		var url = $linkEl.attr('href');
		rememberLink($linkEl, url);
	});

	//Comment icon
	$('i.fas.fa-comment-dots').parent('a').mousedown(function() {
		var $linkEl = $(this).closest('div.card').find('a.stretched-link');
		var url = $linkEl.attr('href');
		rememberLink($linkEl, url);
	});
};

const setupViewedPosts = () => {
	if(maxViewedPostsCount > 0) {
		while(viewedPosts.length >= maxViewedPostsCount) {
			viewedPosts.shift();
		}
		localStorage.setItem('viewedPosts', JSON.stringify(viewedPosts));
	}
	$('a.stretched-link').filter((_, el) => viewedPostsContainsUrl($(el).attr('href'))).addClass('viewedPost-link');
};

//FIXME: preferably this should trigger when the next page is loaded, but I don't think I can hook into RuqES onNextPageSuccessResponse() function.
const setupInfiniteScrollReload = () => {
	const doc = $(document);
	doc.on('scroll', () => {
		let actualCardCount = $('.card').length;
		if(actualCardCount != cardCount) {
			cardCount = actualCardCount;
			setupViewedPosts();
			setupRuqesButton();
			setupLinkClicked();
		}
	});
};

const work = () => {
	setupViewedPosts();
	setupLinkClicked();
	setupRuqesButton();
	setupInfiniteScrollReload();
};

$(work);