+ Rule34XXX Crawler fully implemented
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parent
fe2372dc97
commit
50660517f5
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@ -120,3 +120,6 @@ results.json
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dist/*
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dist/*
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!dist/.keep
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!dist/.keep
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export/*
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!export/.keep
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@ -154,6 +154,9 @@ export class Rule34xxx extends Scrapper {
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// Send out the request to grab the contents of the post
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// Send out the request to grab the contents of the post
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try {
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try {
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if (this.verbose) {
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console.error(`Sniffing page...`);
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}
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// Send out the initial Axios request to fetch the data from the page
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// Send out the initial Axios request to fetch the data from the page
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await getPageContents(url)
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await getPageContents(url)
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.then(request => {
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.then(request => {
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@ -170,8 +173,6 @@ export class Rule34xxx extends Scrapper {
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pageContents = (request.data as string);
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pageContents = (request.data as string);
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})
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})
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} catch (err) {
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} catch (err) {
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// "Handle" the error so that it's in the above .catch
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// "Handle" the error so that it's in the above .catch
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this.logs.push({
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this.logs.push({
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@ -200,10 +201,14 @@ export class Rule34xxx extends Scrapper {
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postList.push(`${self.domain}/${href}`);
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postList.push(`${self.domain}/${href}`);
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});
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});
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if (this.verbose) {
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console.error(`Found ${postList.length} posts`);
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}
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return postList;
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return postList;
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}
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}
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public async crawlPages(url: string, pageCount: number = 10, batchSize: number = 1): Promise<Array<string>> {
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public async crawlPages(url: string, pageCount: number = 10, batchSize: number = 0): Promise<Array<string>> {
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// Check if the provided link is valid
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// Check if the provided link is valid
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if (!this.checkURLBase(url)) {
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if (!this.checkURLBase(url)) {
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65
src/test.ts
65
src/test.ts
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@ -1,6 +1,7 @@
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// This is the test file for the library, different tests are ran in here.
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// This is the test file for the library, different tests are ran in here.
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import {Rule34xxx} from "./module/rule34xxx";
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import {Rule34xxx} from "./module/rule34xxx";
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import {Post} from "./type/generic";
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import {Post} from "./type/generic";
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import * as fs from "fs/promises";
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( async () => {
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( async () => {
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// Initialize the rule34 module
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// Initialize the rule34 module
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@ -8,19 +9,73 @@ import {Post} from "./type/generic";
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r34.verbose = true;
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r34.verbose = true;
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// Run the get post Details function
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// Run the get post Details function
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let postDetails: any;
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let pageList: Array<string>;
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await r34.getPostDetails(`https://rule34.xxx/index.php?page=post&s=view&id=5203781`)
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await r34.crawlPages(`https://rule34.xxx/index.php?page=post&s=list&tags=sort%3Ascore%3Adesc+id%3A%3E4563063&pid=252`, 20)
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.then( postData => {
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.then( postData => {
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postDetails = postData;
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pageList = postData;
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})
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})
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.catch( err => {
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.catch( err => {
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console.log(err);
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console.log(err);
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});
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});
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// Now grab all posts on all of those pages
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let postLinks: Array<string> = [];
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for ( let page of pageList ) {
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await r34.getPostsFromPage(page)
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.then( posts => {
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// Combine the two arrays
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postLinks = [...postLinks, ...posts];
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})
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.catch( err => {
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console.error(err);
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})
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}
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/**
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* The definitive list of posts
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*/
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const postList: Array<Post> = [];
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/**
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* The amount of posts to fetch per cycle
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*/
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const concurrency: number = 3;
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for ( let i = 0; i < postLinks.length; i++ ) {
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const promiseList: Array<Promise<Post>> = [];
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for ( let j = 0; j < concurrency; j++ ) {
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// Add the link to the crawler's buffer
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promiseList.push(r34.getPostDetails(postLinks[i]));
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i++;
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}
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// Wait for all promises to settle
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await Promise.allSettled(promiseList)
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.then( result => {
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// Append the results to the postList
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for ( let p of result ) {
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postList.push(((p as any).value as Post));
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}
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})
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.catch( err => {
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console.error(`err: `, err);
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})
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.finally(() => {
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console.log(`[${i}/${postLinks.length}][${(i/postLinks.length * 100).toFixed(2)}%] Scrapping...`);
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})
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}
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console.log(`Done!`);
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await fs.writeFile(`./export/r34xxx_pageList_example.json`, JSON.stringify(pageList, null, 4));
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await fs.writeFile(`./export/r34xxx_postLinks_example.json`, JSON.stringify(postLinks, null, 4));
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await fs.writeFile(`./export/r34xxx_postList_example.json`, JSON.stringify(postList, null, 4));
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// Display results
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// Display results
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console.log({
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console.log({
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logs: r34.logs,
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pageList: pageList.length,
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result: postDetails
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postLinks: postLinks.length,
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postList: postList.length,
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});
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});
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})();
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})();
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