58 lines
No EOL
1.6 KiB
JavaScript
58 lines
No EOL
1.6 KiB
JavaScript
// scanner/scanCartella.js
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const path = require('path');
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const fsp = require('fs/promises');
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const processFile = require('./processFile');
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const { sha256 } = require('./utils');
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const { SUPPORTED_EXTS } = require('../config');
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/**
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* Scansiona ricorsivamente una cartella e ritorna SOLO i cambiamenti
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* (nuovi/modificati) rispetto a previousIndex (mappa { id: meta }).
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*/
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async function scanCartella(userName, cartella, absCartella, previousIndex) {
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const changes = [];
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async function walk(currentAbs, relPath = '') {
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const entries = await fsp.readdir(currentAbs, { withFileTypes: true });
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for (const e of entries) {
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const absPath = path.join(currentAbs, e.name);
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if (e.isDirectory()) {
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await walk(absPath, path.join(relPath, e.name));
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continue;
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}
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const ext = path.extname(e.name).toLowerCase();
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if (!SUPPORTED_EXTS.has(ext)) continue;
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const fileRelPath = relPath ? `${relPath}/${e.name}` : e.name;
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const id = sha256(`${userName}/${cartella}/${fileRelPath}`);
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const st = await fsp.stat(absPath);
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const prev = previousIndex[id];
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const unchanged =
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prev &&
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prev.size_bytes === st.size &&
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prev.mtimeMs === st.mtimeMs;
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if (unchanged) continue; // NOTE: skip "unchanged"
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const meta = await processFile(
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userName,
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cartella,
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fileRelPath,
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absPath,
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ext,
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st
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);
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meta.id = id; // id sempre presente
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changes.push(meta);
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}
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}
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await walk(absCartella);
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return changes;
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}
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module.exports = scanCartella; |