Scott.Idem/OSIT-AE-App-Native-Electron
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Enhance: Support flexible hash prefix length and organized caching

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- Updated organized path logic to accept variable prefix length.
- Refactored IPC handlers to pass hash_prefix_length from frontend.
- Standardized parameter structures for check-cache and download-to-cache.
This commit is contained in:
Scott Idem
2026-01-23 16:56:10 -05:00
parent 280de213c1
commit f6875acc72
1 changed files with 14 additions and 9 deletions
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23
src/main/file_handlers.ts
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@@ -7,23 +7,28 @@ import { expandPath } from './file_utils';
let endpoints_in_progress: string[] = [];
export function registerFileHandlers() {
function get_legacy_hashed_path(root: string, hash: string) {
return path.join(expandPath(root), `${hash}.file`);
// Flexible organization: [root]/[prefix_len-char-prefix]/[hash].file
function get_organized_hashed_path(root: string, hash: string, prefix_len: number = 2) {
const expanded_root = expandPath(root);
const prefix = hash.substring(0, Math.max(1, Math.min(prefix_len, 8)));
const dir = path.join(expanded_root, prefix);
if (!fs.existsSync(dir)) fs.mkdirSync(dir, { recursive: true });
return path.join(dir, `${hash}.file`);
}
ipcMain.handle('native:check-cache', async (event, { cache_root, hash }) => {
const full_path = get_legacy_hashed_path(cache_root, hash);
ipcMain.handle('native:check-cache', async (event, { cache_root, hash, hash_prefix_length = 2 }) => {
const full_path = get_organized_hashed_path(cache_root, hash, hash_prefix_length);
return fs.existsSync(full_path);
});
ipcMain.handle('native:download-to-cache', async (event, { url, cache_root, hash, api_key, account_id }) => {
const full_path = get_legacy_hashed_path(cache_root, hash);
ipcMain.handle('native:download-to-cache', async (event, { url, cache_root, hash, api_key, account_id, hash_prefix_length = 2 }) => {
const full_path = get_organized_hashed_path(cache_root, hash, hash_prefix_length);
const tmp_path = `${full_path}.tmp`;
if (endpoints_in_progress.includes(url)) return { success: true, status: 'in_progress' };
if (fs.existsSync(full_path)) return { success: true, path: full_path, status: 'exists' };
console.log(`Native: Downloading ${hash} -> ${full_path}`);
console.log(`Native: Organized Download (${hash_prefix_length} chars) -> ${full_path}`);
try {
endpoints_in_progress.push(url);
@@ -54,9 +59,9 @@ export function registerFileHandlers() {
}
});
ipcMain.handle('native:launch-from-cache', async (event, { cache_root, hash, temp_root, filename }) => {
ipcMain.handle('native:launch-from-cache', async (event, { cache_root, hash, temp_root, filename, hash_prefix_length = 2 }) => {
try {
const source = get_legacy_hashed_path(cache_root, hash);
const source = get_organized_hashed_path(cache_root, hash, hash_prefix_length);
const expanded_temp = expandPath(temp_root);
const target = path.join(expanded_temp, filename);
if (!fs.existsSync(expanded_temp)) fs.mkdirSync(expanded_temp, { recursive: true });