// ==UserScript==
// @name osuMapFilter
// @namespace https://greasyfork.org/users/110545
// @version 0.5
// @description filter osu maps
// @author x94fujo6
// @match https://osu.ppy.sh/*
// @grant none
// ==/UserScript==
/* jshint esversion: 9 */
/*
you need map list to make this work!!!
https://github.com/x94fujo6rpg/osuMapFilter
*/
(function () {
'use strict';
const LS = window.localStorage;
let map_list = [],
stop = false,
debug_msg = false,
mode = 3, // don't touch this
// 1:array 2:hash 3:set, https://jsbench.me/zfknghmteu/2
tester;
function getTester() {
switch (mode) {
case 1:
tester = (id) => { return map_list.includes(id); };
break;
case 2:
tester = (id) => { return map_list[id]; };
break;
case 3:
tester = (id) => { return map_list.has(id); };
break;
default:
tester = false;
break;
}
}
getTester();
if (!tester) return console.log("tester not set");
window.onload = main();
async function main() {
let link = window.location.href;
await wait_tab();
if (link.includes("/beatmapsets")) {
if (link.match(/beatmapsets\/\d+/)) {
waitHTML(".beatmapset-header__buttons [href$='download']", mapPage);
} else {
mapListPage();
}
} else {
console.log("no match, abort");
}
}
function mapPage() {
let dlb = document.querySelector(".beatmapset-header__buttons [href$='download']");
let map_id = dlb.href.match(/beatmapsets\/(\d+)\/download/)[1];
mapListPage(false);
dlb.onclick = () => {
console.log(`download ${map_id}, add to list`);
addItem(map_id);
saveData({
mode,
map_list,
});
};
}
function mapListPage(run = true) {
if (run) {
creatbox();
document.getElementById("read_osu_map_list")
.addEventListener("change", readfile, false);
}
if (LS.getItem("mode")) {
console.log("found old data, load it");
mode = Number(LS.getItem("mode"));
if (mode == 3) {
map_list = new Set(JSON.parse(LS.getItem("map_list")));
} else {
map_list = JSON.parse(LS.getItem("map_list"));
}
getTester();
console.log({
mode,
tester,
});
stop = false;
if (run) {
setTimeout(runfilter, 1000);
}
}
}
function wait_tab() {
return new Promise(resolve => {
if (document.visibilityState === "visible") return resolve();
console.log("tab in background, script paused");
document.addEventListener("visibilitychange", () => {
if (document.visibilityState === "visible") {
console.log("script unpaused");
return resolve();
}
});
});
}
function waitHTML(css_selector, run) {
let id = setInterval(() => {
if (document.querySelectorAll(css_selector).length) {
clearInterval(id);
run();
console.log(`found [${css_selector}]`);
} else {
console.log(`[${css_selector}] not found`);
}
}, 1000);
}
function updatestatus(text = "") {
document.getElementById("current_filter_status").textContent = text;
}
function runfilter() {
let length = mode == 3 ? map_list.size : map_list.length;
if (stop || length == 0) return updatestatus("Filter stopped");
let all_map = document.querySelectorAll(".beatmapsets__item");
let count = all_map.length;
updatestatus(`Filter is running\n${length} maps in list`);
all_map.forEach(item => {
setTimeout(() => {
if (stop || length === 0) return updatestatus("Filter stopped");
let map_id = item.querySelector(`[data-audio-url]`).getAttribute("data-audio-url").match(/\/(\d+)\.mp3/);
let link = item.querySelectorAll("a");
let dlb = item.querySelector("[href$='/download']");
if (!map_id) return;
map_id = map_id[1];
if (tester(map_id)) {
item.style.opacity = "10%";
if (debug_msg) console.log(`${count} hide ${map_id}`);
} else {
item.style.opacity = "100%";
}
link.forEach(a => {
if (!a.href.includes("/download")) {
a.setAttribute("target", "_blank");
}
});
dlb.onclick = () => {
console.log(`download ${map_id}, add to list`);
addItem(map_id);
saveData({
mode,
map_list,
});
};
count--;
if (count == 0) {
setTimeout(runfilter, 200);
}
}, 0);
});
}
function addItem(id = "") {
switch (mode) {
case 1:
map_list.push(id);
break;
case 2:
map_list[id] = true;
break;
case 3:
map_list.add(id);
break;
default:
throw Error("unknown mode");
}
}
function creatbox() {
let newbox = document.createElement("div");
Object.assign(newbox.style, {
position: "fixed",
top: "20%",
right: "5%",
width: "200px",
"z-index": "100",
border: "2px",
"border-color": "rgba(255, 255, 255, 0.7)",
"border-style": "ridge",
"background-color": "rgba(255, 255, 255, 0.3)",
});
let readfile = document.createElement("input");
Object.assign(readfile, {
type: "file",
id: "read_osu_map_list"
});
let status = document.createElement("span");
Object.assign(status, {
id: "current_filter_status",
style: "word-wrap:break-word;white-space:pre-line;",
textContent: "Load map_list.txt to start"
});
let button = document.createElement("button");
Object.assign(button, {
textContent: "Stop Script",
style: "color: black",
onclick: function () {
if (!stop) {
stop = true;
updatestatus("Filter stopped");
button.textContent = "Resume Script";
} else {
stop = false;
button.textContent = "Stop Script";
runfilter();
}
}
});
newbox.appendChild(readfile);
newbox.appendChild(status);
newbox.appendChild(button);
document.body.appendChild(newbox);
}
function readfile(myfile) {
let file = myfile.target.files[0];
if (!file) {
stop = true;
updatestatus("Filter stopped");
return;
}
let reader = new FileReader();
reader.onload = function (myfile) {
let contents = myfile.target.result;
map_list = JSON.parse(contents);
stop = 0;
if (map_list.length > 0) {
switch (mode) {
case 1:
console.log("mode: array");
break;
case 2:
console.log("mode: hash");
let new_obj = {};
map_list.forEach(id => new_obj[id] = true);
new_obj.length = map_list.length;
map_list = new_obj;
break;
case 3:
console.log("mode: set");
map_list = new Set(map_list);
break;
}
runfilter();
saveData({
mode,
map_list,
});
}
};
reader.readAsText(file);
}
function removeData(data = {}) {
return new Promise((resolve, reject) => {
try {
for (let key in data) {
LS.removeItem(key);
}
} catch (e) {
console.log(e);
reject();
}
resolve();
});
}
async function saveData(data = {}) {
//await removeData(data);
for (let key in data) {
if (key == "map_list") {
let json;
if (data[key] instanceof Set) {
json = JSON.stringify([...data[key]]);
} else {
json = JSON.stringify(data[key]);
}
LS.setItem(key, json);
continue;
}
LS.setItem(key, data[key]);
}
return true;
}
})();
