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Aral Balkan

Watching The Doors live at The Hollywood Bowl (1968)¹ and hacking on Kitten² and Domain³.

All in all, not a bad way to spend a Saturday afternoon in my book.

(I’ve almost got database backup/restore working in Kitten and I’ve just finished porting Domain to the latest Kitten with JSDB 5⁴.)

¹ yewtu.be/watch?v=Q76QBhKHQGc
² codeberg.org/kitten/app
³ codeberg.org/domain/app
⁴ codeberg.org/small-tech/jsdb

Jim Morrison on stage, bent over with his back to the audience, showing them his ass.
#TheDoors#Kitten#Domain
Aral Balkan

🎉 Got database backup and restore working in Kitten (so every Kitten app gets it for free) and, with the new JSDB 5 support in Kitten, you can now make your model classes EventEmitters.

The session object is now an EventEmitter so you can now listen for events on the current session. In fact, I did just that in Kitten itself to implement the upload of the backup file during the restore process to make the Streaming HTML handler get notified once the POST route has the upload.

Code listing of restore.post.js in Helix Editor: /** Receives a backup of Kitten databases to restore. */ export default function ({ request }) { // The event is broadcast on the session id. request.session.emit('databasesUploadedForRestore', request.uploads[0]) }
Code listing (detail) of index.page.js in Helix Editor: const RestoreStatusUpdate = ({SLOT}) => kitten.html` <div id='restore-status' class='progress'> <${ProgressIndicator} /> ${SLOT} </div> ` export function onConnect ({request, page}) { page.on('startRestore', () => { page.send(kitten.html`<${RestoreStatusUpdate}>Uploading backup to restore from…</>`) }) const restoreDatabases = async (/** @type {Upload} */ upload) => { console.log('Restore: database backup uploaded', upload) // Show status indicator. page.send(kitten.html`<${RestoreStatusUpdate}>Restoring from backup…</>`) // Delete current databases. const deleteResult = await fs.rm(kitten.databaseDirectory, {recursive: true, force: true}) // Re-create databases directory. const makeDirectoryResult = await fs.mkdir(kitten.databaseDirectory) // Decompress backed-up databases. await extract({ cwd: kitten.databaseDirectory, file: upload.filePath }) // Send refresh header and restart the server so the // restored databases are loaded into memory. page.send(kitten.html`<${RestoreStatusUpdate}>Restore complete, waiting for server restart…`) // Restart the server. process.exit(99 /* code for restart request */) } request.session.removeListener('databasesUploadedForRestore', restoreDatabases) request.session.addListener('databasesUploadedForRestore', restoreDatabases)
#SmallWeb#Kitten
May 04, 2024, 03:50 PM·Public·Web
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