VNDB JAST USA Enhancer

Enhances JAST app pages with data from VNDB.

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

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

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         VNDB JAST USA Enhancer
// @namespace    https://vndb.org/
// @version      1.3
// @description  Enhances JAST app pages with data from VNDB.
// @author       darklinkpower
// @match        https://jastusa.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=jastusa.com
// @grant        GM_xmlhttpRequest
// @connect      api.vndb.org
// @run-at       document-end
// @license MIT
// ==/UserScript==

(function() {
    'use strict';

    const VN_LENGTH = {
        0: { txt: 'Unknown',    time: '',                   low: 0,       high: 0 },
        1: { txt: 'Very short', time: 'Less than 2 hours',  low: 1,       high: 2 * 60 },
        2: { txt: 'Short',      time: '2 - 10 hours',       low: 2 * 60,  high: 10 * 60 },
        3: { txt: 'Medium',     time: '10 - 30 hours',      low: 10 * 60, high: 30 * 60 },
        4: { txt: 'Long',       time: '30 - 50 hours',      low: 30 * 60, high: 50 * 60 },
        5: { txt: 'Very long',  time: 'More than 50 hours', low: 50 * 60, high: 32767 }
    };
 
    function formatMinutes(minutes) {
        if (minutes < 60) {
            return "" + minutes + "m";
        }
 
        return "" + Math.floor(minutes / 60) + "h" + (minutes % 60) + "m";
    }
 
    function getMinutesMatchingLength(minutes) {
        for (let key in VN_LENGTH) {
            const vnLenght = VN_LENGTH[key];
            if (minutes >= vnLenght.low && minutes < vnLenght.high) {
                return vnLenght;
            }
        }
 
        return VN_LENGTH[0];
    }

    var CurrentAppID;
    function GetAppIDFromUrl() {
        var currentURL = window.location.href;
        var idPattern = /\/games\/([^/]+)/;
        var match = currentURL.match(idPattern);

        if (match && match.length > 1) {
            return match[1];
        } else {
            console.log("Id not found from url");
            return null;
        }
    }

    function GetCurrentAppID() {
        if (!CurrentAppID) {
            CurrentAppID = GetAppIDFromUrl();
        }

        return CurrentAppID;
    }

    function makeRow(rowClass, subtitle, linkText, linkUrl) {
        const row = document.createElement("div");
        row.className = "info-row";

        const label = document.createElement("span");
        label.className = "info-row__label";
        label.textContent = subtitle;

        const value = document.createElement("div");
        value.className = "info-row__value";

        let linkEl;
        if (linkUrl) {
            linkEl = document.createElement("a");
            linkEl.className = "info-row__link";
            linkEl.textContent = linkText;
            linkEl.href = linkUrl;
        } else {
            linkEl = document.createElement("span");
            linkEl.className = "info-row__text";
            linkEl.textContent = linkText;
        }

        value.appendChild(linkEl);
        row.appendChild(label);
        row.appendChild(value);

        return row;
    }

    function insertPanel(result) {
        let item = result.results[0];

        const vndbIdRow = makeRow(
            "vndb_id",
            "Id",
            item.id,
            "https://vndb.org/" + item.id
        );

        const rows = [
            vndbIdRow,
        ];

        if (item.rating) {
            rows.push(makeRow(
                "vndb_rating",
                "Rating",
                "" + item.rating + " (" + item.votecount + ")"
            ));
        }

        let lengthText = ""
        if (item.length_minutes && item.length_votes)
        {
            const timeDescription = getMinutesMatchingLength(item.length_minutes).txt
            const formattedMinutes = formatMinutes(item.length_minutes)
            lengthText = `${timeDescription} (${formattedMinutes} from ${item.length_votes} votes)`;
        }
        else if (item.length) {
            const mappedLength = VN_LENGTH[item.length];
            lengthText = mappedLength.txt;
            if (item.length != 0)
            {
                lengthText += ` (${mappedLength.time})`;
            }
        }

        if (lengthText != "")
        {
            rows.push(makeRow(
                "vndb_length",
                "Play time",
                lengthText
            ));
        }

        let vndbInfoContainer = document.createElement("div");
        vndbInfoContainer.className = "game-info vndb-infos";

        let panelTitle = document.createElement('h3');
        panelTitle.classList.add('game-info__title');
        panelTitle.textContent = 'VNDB';
        vndbInfoContainer.appendChild(panelTitle);

        let panelContent = document.createElement('div');
        panelContent.classList.add('game-info__content');
        vndbInfoContainer.appendChild(panelContent);

        rows.forEach(function(row) {
            panelContent.appendChild(row);
        });

        let gameInfoPanel = document.querySelector('.game-info.game-info--basic');
        if (gameInfoPanel) {
            gameInfoPanel.parentNode.insertBefore(vndbInfoContainer, gameInfoPanel);
        } else {
            console.log("Game info panel not found");
        }
    }

    function fetchVNDBData() {
        let appId = GetCurrentAppID();
        if (appId == null) {
            return;
        }

        GM_xmlhttpRequest({
            method: "POST",
            url: "https://api.vndb.org/kana/vn",
            data: JSON.stringify({
                "filters": ["release", "=", ["extlink", "=", ["jastusa", appId]]],
                "fields": "length,length_votes,length_minutes,rating,votecount"
            }),
            headers: {
                "Content-Type": "application/json"
            },
            onload: function(response) {
                let result = JSON.parse(response.responseText);
                if (!result.results || result.results.length == 0) {
                    console.log("VNDB search did not yield results");
                    return;
                }

                insertPanel(result);
            }
        });
    }

    function observeUrlChanges() {
        let lastUrl = window.location.href;

        const onUrlChange = () => {
            const currentUrl = window.location.href;
            if (currentUrl !== lastUrl) {
                lastUrl = currentUrl;
                console.log("URL changed to " + currentUrl);
                CurrentAppID = null;
                fetchVNDBData();
            }
        };

        const observer = new MutationObserver(onUrlChange);
        observer.observe(document.body, { childList: true, subtree: true });
    }

    function onInitialLoad() {
        window.removeEventListener('load', onInitialLoad);
        fetchVNDBData();
        observeUrlChanges();
    }

    window.addEventListener('load', onInitialLoad);
})();