92 lines
2.7 KiB
JavaScript
92 lines
2.7 KiB
JavaScript
import { readFile, writeFile } from 'fs/promises';
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import { getArg } from './lib/args.js';
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import { getMany } from './lib/dl.js';
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import { error, log } from './lib/log.js';
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const ctx = 'downloadUser.js';
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/**
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* Downloads all media possible for a user stored/to-be-stored in db.json at the specified `--path`.
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* Useful for first run or for augmenting existing media
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* if it may be only partially archived in an uncertain state.
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* Safely checks if the db.json doesn't yet exist and/or the user isn't stored in the db.json at the directory provided.
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*/
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const downloadUser = async () => {
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log(ctx, 'Grabbing db');
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let directory, threadMax = 1, user, db;
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try {
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directory = getArg('path');
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user = getArg('user');
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} catch (err) {
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error(ctx, err);
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return;
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}
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try {
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let file = await readFile(`${directory}/db.json`, { encoding: 'utf8' });
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db = JSON.parse(file);
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} catch (err) {
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if (err.toString().includes('ENOENT')) {
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try {
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db = [];
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await writeFile(`${directory}/db.json`, JSON.stringify(db, null, 2));
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} catch (err2) {
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error(ctx, err2);
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return;
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}
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} else {
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error(ctx, err);
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return;
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}
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}
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let index = db.findIndex(other => other.user === user);
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if (index < 0) {
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index = db.push({ user }) - 1;
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}
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let processes = db.filter((other) => other.user === user).map(entry => ({
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...entry,
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lastUpdated: Date.now(),
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logs: [],
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}));
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log(ctx, `Downloading media using /<user>/media for ${processes.length} users`);
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await getMany(processes, threadMax, directory, 'media');
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log(ctx, 'Downloading media using /search');
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await getMany(processes, threadMax, directory, 'search');
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processes.forEach(entry => {
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entry.logs.forEach(log => {
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if (log.includes('NotFoundError')) {
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const strOut = `${entry.user} wasn't found: "${log.replace('\n', '')}". You may want to remove them from the db.json file or update their username.`;
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error(ctx, strOut);
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entry.lastError = strOut;
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} else if (log.includes('AuthorizationError')) {
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const strOut = `There was an authorization error for user ${entry.user}: "${log.replace('\n', '')}"`;
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error(ctx, strOut);
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entry.lastError = strOut;
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}
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});
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});
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log(ctx, 'Saving db');
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try {
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processes.forEach(process => {
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let i = db.findIndex(other => other.user === process.user);
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db[i] = {
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user: process.user,
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lastUpdated: process.lastUpdated,
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lastError: process.lastError,
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}
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});
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await writeFile(`${directory}/db.json`, JSON.stringify(db, null, 2));
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} catch (err) {
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error(ctx, err);
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return;
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}
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log(ctx, 'Done');
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}
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downloadUser();
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