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mastodon-google-cloud-storage/move-media.js

50 lines
1.7 KiB
JavaScript

const argv = require('minimist')(process.argv.slice(2));
const fs = require('fs-extra');
const path = require('path');
const _ = require('lodash');
if (argv._.length !== 2) {
console.log('Please provide a source (mastodon base path) and a destiantion (to be uploaded with gsutil)');
process.exit(1);
}
const basePath = path.resolve(process.cwd(), argv._[0], 'public/system/media_attachments/files');
const targetPath = path.resolve(process.cwd(), argv._[1], 'images/media_attachments');
const targetSuffix = 'files';
const sizes = ['original', 'small'];
function handleDir(...prefix) {
const contents = fs.readdirSync(path.join(basePath, ...prefix));
if (contents.length === 2 && _.difference(contents, sizes).length === 0) {
return { prefix };
}
return _.flatten(contents.map((content) => handleDir(...prefix, content)));
}
const action = !argv['dry-run'] ? (sourceFile, targetDir, targetFile) => {
fs.mkdirpSync(targetDir);
fs.copySync(sourceFile, targetFile);
} : (sourceFile, targetDir, targetFile) => {
console.log(`mkdirp ${targetDir}`);
console.log(`cp ${sourceFile} -> ${targetFile}`);
}
const allFiles = handleDir().map((info) => (Object.assign(
{ number: parseInt(info.prefix.join(''), 10).toString() },
info,
sizes
.map((name) => ({ [name]: fs.readdirSync(path.join(basePath, ...info.prefix, name))[0] }))
.reduce((a, b) => Object.assign({}, a, b))
))).forEach((info) => {
sizes.forEach((size) => {
const sourceFile = path.join(basePath, ...info.prefix, size, info[size]);
const targetDir = path.join(targetPath, info.number, targetSuffix, size);
const targetFile = path.join(targetDir, 'img_');
action(sourceFile, targetDir, targetFile);
})
});