nocci/free-games-claimer
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epic-games: migrateDb: rm .runs, .claimed[] -> .[user][game_id], closes #27

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If you'd like to keep the .runs data: `cp -a data/epic-games.{json, v1.json}`
Objects also have insertion order for non-number strings, so there's not need for a list:
https://stackoverflow.com/questions/5525795/does-javascript-guarantee-object-property-order
This commit is contained in:
Ralf Vogler 2022-10-06 14:53:07 +02:00
parent 61af4e35f6
commit ac758d39e4
2 changed files with 23 additions and 19 deletions
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41
epic-games.js
View file

@ -12,13 +12,16 @@ const SCREEN_WIDTH = Number(process.env.SCREEN_WIDTH) - 80 || 1280;
const SCREEN_HEIGHT = Number(process.env.SCREEN_HEIGHT) || 1280;
const db = await jsonDb('epic-games.json');
db.data ||= { claimed: [], runs: [] };
const run = {
startTime: datetime(),
endTime: null,
n: null, // unclaimed games at beginning
c: 0, // claimed games at end
};
const migrateDb = (user) => {
if (user in db.data || !('claimed' in db.data)) return;
db.data[user] = {};
for (const e of db.data.claimed) {
const k = e.url.split('/').pop();
db.data[user][k] = e;
}
delete db.data.claimed;
delete db.data.runs;
}
// https://playwright.dev/docs/auth#multi-factor-authentication
const context = await chromium.launchPersistentContext(dirs.browser, {
@ -62,6 +65,8 @@ try {
}
const user = await page.locator('#user span').first().innerHTML();
console.log(`Signed in as ${user}`);
migrateDb(user); // TODO remove this after some time since it will run fine without and people can still use this commit to adjust their data epic-games.json
db.data[user] ||= {};
// Detect free games
const game_loc = await page.locator('a:has(span:text-is("Free Now"))');
@ -72,8 +77,6 @@ try {
// filter data.Catalog.searchStore.elements for .promotions.promotionalOffers being set and build URL with .catalogNs.mappings[0].pageSlug or .urlSlug if not set to some wrong id like it was the case for spirit-of-the-north-f58a66 - this is also what's done here: https://github.com/claabs/epicgames-freegames-node/blob/938a9653ffd08b8284ea32cf01ac8727d25c5d4c/src/puppet/free-games.ts#L138-L213
const urlSlugs = await Promise.all((await game_loc.elementHandles()).map(a => a.getAttribute('href')));
const urls = urlSlugs.map(s => 'https://store.epicgames.com' + s);
const n = run.n = await game_loc.count();
// console.log('Number of free games:', n);
console.log('Free games:', urls);
for (const url of urls) {
@ -87,11 +90,14 @@ try {
}
const title = await page.locator('h1 div').first().innerText();
const title_url = page.url().split('/').pop();
const game_id = page.url().split('/').pop();
db.data[user][game_id] ||= { title, time: datetime(), url: page.url() }; // this will be set on the initial run only!
console.log('Current free game:', title);
if (btnText.toLowerCase() == 'in library') {
console.log(' Already in library! Nothing to claim.');
db.data[user][game_id].status ||= 'existed'; // does not overwrite claimed or failed
if (db.data[user][game_id].status == 'failed') db.data[user][game_id].status = 'manual'; // was failed but now it's claimed
} else { // GET
console.log(' Not in library yet! Click GET.');
await page.click('[data-testid="purchase-cta-button"]');
@ -121,28 +127,25 @@ try {
// }
await page.waitForSelector('text=Thank you for buying'); // EU: wait, non-EU: wait again = no-op
db.data.claimed.push({ title, time: datetime(), url: page.url() });
run.c++;
db.data[user][game_id].status = 'claimed';
db.data[user][game_id].time = datetime(); // claimed time overwrites failed time
console.log(' Claimed successfully!');
} catch (e) {
console.log(e);
const p = path.resolve(dirs.screenshots, 'epic-games', 'captcha', `${filenamify(datetime())}.png`);
await page.screenshot({ path: p, fullPage: true });
db.data[user][game_id].status = 'failed';
console.info(' Saved a screenshot of hcaptcha challenge to', p);
console.error(' Got hcaptcha challenge. To avoid it, get a link from https://www.hcaptcha.com/accessibility'); // TODO save this link in config and visit it daily to set accessibility cookie to avoid captcha challenge?
}
const p = path.resolve(dirs.screenshots, 'epic-games', `${title_url}.png`);
const p = path.resolve(dirs.screenshots, 'epic-games', `${game_id}.png`);
if (!existsSync(p)) await page.screenshot({ path: p, fullPage: false }); // fullPage is quite long...
}
}
} catch (error) {
console.error(error);
run.error = error.toString();
console.error(error); // .toString()?
} finally {
// write out json db
run.endTime = datetime();
db.data.runs.push(run);
await db.write();
await db.write(); // write out json db
}
await context.close();

1
util.js
View file

@ -16,6 +16,7 @@ import { Low, JSONFile } from 'lowdb';
export const jsonDb = async file => {
const db = new Low(new JSONFile(dataDir(file)));
await db.read();
db.data ||= {};
return db;
};