osuMapFilter

filter osu maps

目前為 2022-07-19 提交的版本,檢視 最新版本

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         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;
    }
})();