F95API/app/scripts/game-searcher.js

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"use strict";
// Public modules from npm
const puppeteer = require("puppeteer");
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// Modules from file
const shared = require("./shared.js");
const constURLs = require("./constants/urls.js");
const selectors = require("./constants/css-selectors.js");
const { preparePage } = require("./puppeteer-helper.js");
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const { isF95URL } = require("./urls-helper.js");
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/**
* @protected
* Search the F95Zone portal to find possible conversations regarding the game you are looking for.
* @param {puppeteer.Browser} browser Browser object used for navigation
* @param {String} gamename Name of the game to search for
* @returns {Promise<String[]>} List of URL of possible games obtained from the preliminary research on the F95 portal
*/
module.exports.getSearchGameResults = async function (browser, gamename) {
if (shared.debug) console.log("Searching " + gamename + " on F95Zone");
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const page = await preparePage(browser); // Set new isolated page
await page.setCookie(...shared.cookies); // Set cookies to avoid login
await page.goto(constURLs.F95_SEARCH_URL, {
waitUntil: shared.WAIT_STATEMENT,
}); // Go to the search form and wait for it
// Explicitly wait for the required items to load
await page.waitForSelector(selectors.SEARCH_FORM_TEXTBOX);
await page.waitForSelector(selectors.TITLE_ONLY_CHECKBOX);
await page.waitForSelector(selectors.SEARCH_BUTTON);
await page.type(selectors.SEARCH_FORM_TEXTBOX, gamename); // Type the game we desire
await page.click(selectors.TITLE_ONLY_CHECKBOX); // Select only the thread with the game in the titles
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await Promise.all([
page.click(selectors.SEARCH_BUTTON), // Execute search
page.waitForNavigation({
waitUntil: shared.WAIT_STATEMENT,
}), // Wait for page to load
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]);
// Select all conversation titles
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const resultsThread = await page.$$(selectors.SEARCH_THREADS_RESULTS_BODY);
// For each element found extract the info about the conversation
if (shared.debug) console.log("Extracting info from conversations");
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const results = [];
for (const element of resultsThread) {
const gameUrl = await getOnlyGameThreads(page, element);
if (gameUrl !== null) results.push(gameUrl);
}
if (shared.debug) console.log("Find " + results.length + " conversations");
await page.close(); // Close the page
return results;
};
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//#region Private methods
/**
* @private
* Return the link of a conversation if it is a game or a mod.
* @param {puppeteer.Page} page Page containing the conversation to be analyzed
* @param {puppeteer.ElementHandle} divHandle Element of the conversation to be analyzed
* @return {Promise<String>} URL of the game/mod or null if the URL is not of a game
*/
async function getOnlyGameThreads(page, divHandle) {
// Obtain the elements containing the basic information
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const titleHandle = await divHandle.$(selectors.THREAD_TITLE);
const forumHandle = await divHandle.$(selectors.SEARCH_THREADS_MEMBERSHIP);
// Get the forum where the thread was posted
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const forum = await getMembershipForum(page, forumHandle);
if (forum !== "GAMES" && forum != "MODS") return null;
// Get the URL of the thread from the title
return await getThreadURL(page, titleHandle);
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}
/**
* @private
* Obtain the membership forum of the thread passed throught "handle".
* @param {puppeteer.Page} page Page containing the conversation to be analyzed
* @param {puppeteer.ElementHandle} handle Handle containing the forum membership
* @returns {Promise<String>} Uppercase membership category
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*/
async function getMembershipForum(page, handle) {
// The link can be something like:
// + /forums/request.NUMBER/
// + /forums/game-recommendations-identification.NUMBER/
// + /forums/games.NUMBER/ <-- We need this
let link = await page.evaluate(
/* istanbul ignore next */
(e) => e.getAttribute("href"),
handle
);
// Parse link
link = link.replace("/forums/", "");
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const endIndex = link.indexOf(".");
const forum = link.substring(0, endIndex);
return forum.toUpperCase();
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}
/**
* @private
* Obtain the URL of the thread passed through "handle".
* @param {puppeteer.Page} page Page containing the conversation to be analyzed
* @param {puppeteer.ElementHandle} handle Handle containing the thread title
* @returns {Promise<String>} URL of the thread
*/
async function getThreadURL(page, handle) {
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const relativeURLThread = await page.evaluate(
/* istanbul ignore next */
(e) => e.querySelector("a").href,
handle
);
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// Some game already have a full URL
if (isF95URL(relativeURLThread)) return relativeURLThread;
const urlThread = new URL(
relativeURLThread,
constURLs.F95_BASE_URL
).toString();
return urlThread;
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}
//#endregion Private methods