JavDB Trailer

在 JavDB 页面上显示预告片信息
Versão de: 19/01/2025. Veja: a última versão.
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// ==UserScript==
// @name         JavDB Trailer
// @namespace    http://tampermonkey.net/
// @version      2025-01-03
// @description  在 JavDB 页面上显示预告片信息
// @author       haoyinhaoyin
// @match        https://javdb.com/v/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=javdb.com
// @grant        GM_xmlhttpRequest
// @connect      javtrailers.com
// @license      MIT
// ==/UserScript==

(function () {
    'use strict';

    // 在 JavDB 页面上获取包含视频 ID 的元素
    const spanElement = document.querySelector('.panel-block.first-block .value a');
    if (spanElement != null) {
        // 获取视频 ID
        const rawJavId = spanElement.parentElement.textContent.trim();
        const formattedJavId = standardizeJavId(rawJavId);
        fetchPreview(formattedJavId);
    } else {
        console.log("JavDB 页面中未找到视频 ID。");
    }

    // 标准化视频 ID 格式（移除破折号并补零）
    function standardizeJavId(javId) {
        const parts = javId.split('-');
        if (parts.length === 2 && /^[A-Za-z]+$/.test(parts[0]) && /^[0-9]+$/.test(parts[1])) {
            const prefix = parts[0].toUpperCase();
            const number = parts[1].padStart(5, '0');
            return `${prefix}${number}`;
        }
        return javId.replace(/-/g, '').toUpperCase();
    }

    // 通过 API 获取预告片信息并插入页面
    function fetchPreview(javId) {
        const url = `https://search.javtrailers.com/indexes/videos/search?q=${javId}&page=1&sort=releaseDate:desc&hitsPerPage=1`;

        doGet(url).then(data => {
            try {
                const result = JSON.parse(data);
                if (result.hits && result.hits.length > 0) {
                    const hit = result.hits[0];
                    const contentId = hit['contentId'];
                    const matchedId = hit['id'] || hit['title'];

                    // 宽松匹配：检查返回的 ID 是否包含标准化后的 javId
                    if (matchedId && matchedId.toLowerCase().includes(javId.toLowerCase())) {
                        insertTrailerLink(javId, contentId);
                    } else {
                        insertNoTrailerMessage(javId);
                    }
                } else {
                    insertNoTrailerMessage(javId);
                }
            } catch (error) {
                console.error("解析 API 响应失败：", error);
                insertNoTrailerMessage(javId);
            }
        });
    }

    // 在页面中插入预告片链接
    function insertTrailerLink(javId, contentId) {
        const trailerUrl = `https://javtrailers.com/video/${contentId}`;
        const existingDiv = document.querySelector('.panel-block.first-block');

        if (existingDiv) {
            const trailerHTML = `
                <div class="panel-block">
                    <strong>预览:</strong>
                    &nbsp;<span class="value"><a href="${trailerUrl}" target="_blank">${javId}</a></span>
                </div>
            `;
            existingDiv.insertAdjacentHTML('afterend', trailerHTML);
        } else {
            console.warn("页面中未找到插入位置。");
        }
    }

    // 如果没有预告片，插入提示信息
    function insertNoTrailerMessage(javId) {
        const existingDiv = document.querySelector('.panel-block.first-block');

        if (existingDiv) {
            const noTrailerHTML = `
                <div class="panel-block">
                    <strong>预览:</strong>
                    &nbsp;<span class="value">未找到与 <strong>${javId}</strong> 对应的预告片。</span>
                </div>
            `;
            existingDiv.insertAdjacentHTML('afterend', noTrailerHTML);
        } else {
            console.warn("页面中未找到插入位置。");
        }
    }

    // 封装 GET 请求
    async function doGet(url) {
        return new Promise(resolve => {
            GM.xmlHttpRequest({
                method: "GET",
                headers: { "authorization": "Bearer 6b4bd3e560e994a5b009023e1d21f51e95dbb86ca3f47cb03f34f8a2cb9a93f2" },
                url,
                onload: response => resolve(response.responseText),
            });
        });
    }
})();