Camamba Forums Search Library

fetches forums, threads and posts

此脚本不应直接安装。它是供其他脚本使用的外部库,要使用该库请加入元指令 // @require https://update.greatest.deepsurf.us/scripts/446112/1060781/Camamba%20Forums%20Search%20Library.js

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         Camamba Forums Search Library
// @namespace    hoehleg.userscripts.private
// @version      0.0.3
// @description  fetches forums, threads and posts
// @author       Gerrit Höhle
// @license MIT
//
// @require      https://greatest.deepsurf.us/scripts/405144-httprequest/code/HttpRequest.js?version=1060129
//
// @grant        GM_xmlhttpRequest
//
// ==/UserScript==

/* jslint esversion: 9 */

/**
 * @typedef ForumDef
 * @property {number} id
 * @property {string} lng
 * @property {string} title
 */

/** 
 * @typedef ThreadDef
 * @property {string} title
 * @property {number} id 
 * @property {number} forumId
 * @property {number} postCount
 */

/** 
 * @typedef PostDef
 * @property {number} forumId
 * @property {number} threadId
 * @property {number} page
 * @property {number} id 
 * @property {Date} postDate
 * @property {string} text 
 * @property {string} uname 
 * @property {number} uid 
 */

/**
 * @typedef ThreadIdentifier
 * @property {number} forumId
 * @property {number} threadId
 */

class Post {
    /**
     * @param {PostDef} param0 
     */
    constructor({ forumId, threadId, page, id, postDate, text, uname, uid }) {
        /** @type {number} */
        this.forumId = forumId;
        /** @type {number} */
        this.threadId = threadId;
        /** @type {number} */
        this.page = page;
        /** @type {number} */
        this.id = id;
        /** @type {Date} */
        this.postDate = postDate;
        /** @type {string} */
        this.text = text;
        /** @type {string} */
        this.uname = uname;
        /** @type {number} */
        this.uid = uid;
    }

    async delete() {
        return await HttpRequest.send({
            method: 'GET', url: "https://www.camamba.com/forum_view.php", params: {
                thread: this.threadId,
                forum: this.forumId,
                delete: this.id,
                page: this.page,
            }
        });
    }
}

class Thread {

    /**
     * @param {ThreadDef} param0 
     */
    constructor({ title, id, forumId, postCount }) {
        /** @type {string} */
        this.title = title;
        /** @type {number} */
        this.id = id;
        /** @type {number} */
        this.forumId = forumId;
        /** @type {number} */
        this.postCount = postCount;
    }

    /**
     * @returns {Promise<Array<Post>>}
     */
    async getPosts(resultSizeLimit = 0) {
        return Thread.getPosts({ threadId: this.id, forumId: this.forumId, resultSizeLimit });
    }

    async delete() {
        for (const post of await this.getPosts()) {
            post.delete();
        }
    }

    /**
     * @param {ThreadIdentifier} param0 
     * @returns {Promise<Array<Post>>}
     */
    static async getPosts({ threadId, forumId, resultSizeLimit = 0 }) {
        return (await HttpRequestHtml.send({
            url: "https://www.camamba.com/forum_view.php",
            params: {
                thread: threadId,
                forum: forumId,
            },
            pageNr: 1,
            pagesMaxCount: resultSizeLimit ? Math.ceil(resultSizeLimit / 10) : 10000,
            paramsConfiguratorForPageNr: (params, pageNr) => ({ ...params, page: pageNr - 1 }),
            hasNextPage: (res, _req) => res.html.querySelectorAll("td.psmallbox").length >= 30,
            resultTransformer: (res, req) => {

                return [...res.html.querySelectorAll("td.psmallbox")].map(td => {
                    let postId = null, text = "", postDate = null;

                    const div = td.querySelector("div");
                    if (div) {
                        const deleteLink = div.querySelector('a[href^="javascript:deletePost"]');

                        if (deleteLink) {
                            const postIdMatch = /(?<=javascript:deletePost)\d+(?=\(\))/.exec(deleteLink.href);
                            postId = postIdMatch === null ? null : Number.parseInt(postIdMatch[0]);
                        }

                        text = [...div.childNodes]
                            .filter(el => el.tagName !== "SCRIPT")
                            .filter(el => el.tagName !== "A" || (!["javascript:deletePost", "javascript:parent.location", "javascript:var noop="].some(s => el.href.startsWith(s))))
                            .map(el => el.textContent).join("").trim();
                    }

                    let uname = "", uid = null;

                    const tdLeft = td.previousElementSibling;
                    if (tdLeft && [...tdLeft.classList].includes("psmallbox2")) {
                        const linkOpenProfile = tdLeft.querySelector('a[href^="javascript:openProfile("]');
                        if (linkOpenProfile) {
                            const unameMatch = /(?<=javascript:openProfile\(['"])\w+(?=['"]\))/.exec(linkOpenProfile.href);
                            if (unameMatch) {
                                uname = unameMatch[0];
                            }
                        }

                        const imgUserpic = tdLeft.querySelector('img[src^="/userpics"]');
                        if (imgUserpic) {
                            const uidMatch = /(?<=userpics\/)\d+(?=\.s\.jpg)/.exec(imgUserpic.src);
                            if (uidMatch) {
                                uid = uidMatch[0];
                            }
                        }

                        const divDate = tdLeft.querySelector('div.smalltext');
                        if (divDate) {
                            const postDateMatch = /(\d{2}).(\d{2}).(\d{4})\s(\d{1,2}):(\d{2}):(\d{2})/.exec(divDate.innerText.trim());
                            if (postDateMatch) {
                                const day = postDateMatch[1];
                                const month = postDateMatch[2];
                                const year = postDateMatch[3];
                                const hour = postDateMatch[4];
                                const minute = postDateMatch[5];
                                const second = postDateMatch[6];
                                postDate = new Date(year, month - 1, day, hour, minute, second);
                            }
                        }
                    }

                    let page = req.params.page;
                    return { forumId, threadId, page, id: postId, postDate, text, uname, uid };
                }).filter(p => p.id && p.text).map(p => new Post(p));
            },
        })).flat();
    }
}

const Forum = (() => {

    /**
     * @param {number} forumId
     * @param {number} [resultSizeLimit]
     * @returns {HttpRequestHtml}
     */
    const createRequest = (forumId, resultSizeLimit = 0) => new HttpRequestHtml({
        url: "https://www.camamba.com/forum_view.php",
        params: { forum: forumId },
        pageNr: 1,
        pagesMaxCount: resultSizeLimit ? Math.ceil(resultSizeLimit / 10) : 10000,
        paramsConfiguratorForPageNr: (params, pageNr) => ({ ...params, page: pageNr - 1 }),
        hasNextPage: (res, _req) => res.html.querySelectorAll('a[href^="?thread="]').length >= 10,
        resultTransformer: (res, _req) => {
            return [...res.html.querySelectorAll('a[href^="?thread="]')].map(a => {

                const matchThreadId = new RegExp(`(?<=\\?thread=)\\d+(?=&forum=${forumId})`).exec(a.href);
                const threadId = matchThreadId === null ? null : Number.parseInt(matchThreadId[0]);

                let postCount = (() => {

                    let postCountTD = a.parentElement;

                    while (postCountTD !== null && postCountTD.tagName !== 'TD') {
                        postCountTD = postCountTD.parentElement;
                    }

                    for (let i = 0; i < 2 && postCountTD !== null; i++) {
                        postCountTD = postCountTD.nextElementSibling;
                    }

                    if (postCountTD != null) {
                        let postCountMatch = /^\d+$/.exec(postCountTD.innerText.trim());
                        if (postCountMatch && postCountMatch.length) {
                            return Number.parseInt(postCountMatch[0]);
                        }
                    }

                    return 0;
                })();

                return { title: a.innerHTML, id: threadId, forumId, postCount };

            }).filter(t => t.id && t.forumId && t.postCount).map(t => new Thread(t));
        },
    });

    return class Forum {
        /** @param {ForumDef} param0 */
        constructor({ id, lng, title }) {
            /** @type {number} */
            this.id = id;
            /** @type {string} */
            this.lng = lng;
            /** @type {string} */
            this.title = title;
        }

        /**
         * @returns {Promise<Array<Thread>>}
         */
        async getThreads(resultSizeLimit = 0) {
            this.request = createRequest(this.id, resultSizeLimit);
            this.lastResults = (await this.request.send()).flat();
            return this.lastResults;
        }

        /**
         * @returns {Promise<Array<Thread>>}
         */
        async getNextThreads() {
            if (!(this.request && this.lastResults && this.lastResults.length)) {
                return [];
            }
            this.request.pageNr += (this.request.pagesMaxCount);
            return (await this.request.send()).flat();
        }

        /**
         * @param {number} forumId 
         * @returns {Promise<Array<Thread>>}
         */
        static async getThreads(forumId, resultSizeLimit = 0) {
            return (await createRequest(forumId, resultSizeLimit).send()).flat();
        }
    };
})();



const Foren = (() => {

    /**
     * @type {Promise<Array<Forum>>}
     */
    const foren = HttpRequestHtml.send({
        url: 'https://www.camamba.com/forum.php',
        params: { mode: 'all' },
        resultTransformer: (resp, _req) => [...resp.html.querySelectorAll('a[href^="/forum_view"]')].map(a => {

            const idMatch = /(?<=forum=)\d{1,2}$/.exec(a.href);
            const id = idMatch === null ? null : Number.parseInt(idMatch[0]);

            const lngMatch = /(?<=^\[)\D\D(?=\])/g.exec(a.textContent);
            const lng = lngMatch === null ? null : lngMatch[0].toLowerCase();

            const titleMatch = /(?<=^\[\D\D\]\s).+$/.exec(a.textContent);
            const title = titleMatch === null ? null : titleMatch[0];

            return { id, lng, title };

        }).filter(forum => forum.id && forum.lng).map(f => new Forum(f)),
    });

    return {
        /**
        * @returns {Promise<Array<Forum>>}
        */
        getAll: async () => await foren,

        /**
         * @param {string} lng 
         * @returns {Promise<Array<Forum>>}
         */
        byLanguage: async (lng) => (await foren).filter(f => f.lng.toUpperCase() === lng.toUpperCase()),

        /**
         * @param {number} id 
         * @returns {Promise<Forum>}
         */
        byId: async (id) => (await foren).find(f => f.id == id),
    };
})();