fetches forums, threads and posts
此腳本不應該直接安裝，它是一個供其他腳本使用的函式庫。欲使用本函式庫，請在腳本 metadata 寫上： // @require https://update.gf.qytechs.cn/scripts/446112/1060781/Camamba%20Forums%20Search%20Library.js
// ==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://greasyfork.org/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),
};
})();