VNDB JAST USA Enhancer

Enhances JAST app pages with data from VNDB.

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。

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 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         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);
})();