chore: reformat code in README.md for improved readability
Applied consistent indentation and line-breaking rules to code and text sections in `README.md`, ensuring better formatting and alignment for readability. No functional changes made.
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5 changed files with 1135 additions and 315 deletions
248
examples/firestoreSyncExample.js
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248
examples/firestoreSyncExample.js
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/**
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* Example: Using the FirestoreSync Conduit Augmentation
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*
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* This example demonstrates how to use the FirestoreSync augmentation
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* to sync data between Brainy and Firestore in both one-way and two-way modes.
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*
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* Prerequisites:
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* 1. Install Firebase: npm install firebase
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* 2. Set up a Firebase project and enable Firestore
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* 3. Get your Firebase configuration from the Firebase console
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*/
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import {
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registerAugmentation,
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initializeAugmentationPipeline,
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BrainyGraph
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} from '../dist/index.js'
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import {
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createFirestoreSyncAugmentation,
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FirestoreSyncConfig
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} from '../dist/augmentations/firestoreSyncAugmentation.js'
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// Your Firebase configuration
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// Replace with your actual Firebase project configuration
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const firebaseConfig = {
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apiKey: 'your-api-key',
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authDomain: 'your-project-id.firebaseapp.com',
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projectId: 'your-project-id',
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storageBucket: 'your-project-id.appspot.com',
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messagingSenderId: 'your-messaging-sender-id',
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appId: 'your-app-id'
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}
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// Example 1: One-way sync (Brainy -> Firestore)
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async function setupOneWaySync() {
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console.log('Setting up one-way sync from Brainy to Firestore...')
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// Create the FirestoreSync augmentation with one-way sync configuration
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const oneWaySyncConfig = {
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firebaseConfig,
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nodesCollection: 'brainy_nodes',
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edgesCollection: 'brainy_edges',
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metadataCollection: 'brainy_metadata',
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syncMode: 'one-way'
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}
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// Create and register the augmentation
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const oneWaySync = createFirestoreSyncAugmentation(
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'brainy-firestore-one-way-sync',
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oneWaySyncConfig
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)
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registerAugmentation(oneWaySync)
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// Initialize the augmentation pipeline
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initializeAugmentationPipeline()
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// Initialize the augmentation
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await oneWaySync.initialize()
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console.log('One-way sync augmentation initialized successfully')
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return oneWaySync
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}
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// Example 2: Two-way sync (Bidirectional between Brainy and Firestore)
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async function setupTwoWaySync() {
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console.log('Setting up two-way sync between Brainy and Firestore...')
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// Create the FirestoreSync augmentation with two-way sync configuration
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const twoWaySyncConfig = {
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firebaseConfig,
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nodesCollection: 'brainy_nodes',
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edgesCollection: 'brainy_edges',
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metadataCollection: 'brainy_metadata',
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syncMode: 'two-way',
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syncInterval: 30000 // Sync every 30 seconds
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}
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// Create and register the augmentation
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const twoWaySync = createFirestoreSyncAugmentation(
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'brainy-firestore-two-way-sync',
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twoWaySyncConfig
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)
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registerAugmentation(twoWaySync)
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// Initialize the augmentation pipeline
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initializeAugmentationPipeline()
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// Initialize the augmentation
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await twoWaySync.initialize()
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console.log('Two-way sync augmentation initialized successfully')
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return twoWaySync
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}
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// Example 3: Using the FirestoreSync augmentation with a Brainy graph
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async function syncGraphToFirestore() {
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console.log('Creating a Brainy graph and syncing it to Firestore...')
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// Set up the one-way sync augmentation
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const syncAugmentation = await setupOneWaySync()
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// Create a Brainy graph
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const graph = new BrainyGraph()
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await graph.initialize()
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// Add some nodes and edges to the graph
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const node1 = await graph.addNode({
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vector: [0.1, 0.2, 0.3],
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metadata: { name: 'Node 1', description: 'First test node' }
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})
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const node2 = await graph.addNode({
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vector: [0.4, 0.5, 0.6],
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metadata: { name: 'Node 2', description: 'Second test node' }
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})
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const edge = await graph.addEdge({
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sourceId: node1.id,
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targetId: node2.id,
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type: 'related',
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weight: 0.75,
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metadata: { description: 'Test relationship' }
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})
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// Sync the nodes and edge to Firestore
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await syncAugmentation.syncNodeToFirestore(node1)
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await syncAugmentation.syncNodeToFirestore(node2)
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await syncAugmentation.syncEdgeToFirestore(edge)
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console.log('Graph data synced to Firestore successfully')
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// Clean up
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await syncAugmentation.shutDown()
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await graph.close()
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}
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// Example 4: Reading data from Firestore
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async function readFromFirestore() {
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console.log('Reading data from Firestore...')
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// Set up the one-way sync augmentation
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const syncAugmentation = await setupOneWaySync()
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// Read all nodes from Firestore
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const nodesResponse = await syncAugmentation.readData({
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collection: 'brainy_nodes'
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})
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if (nodesResponse.success) {
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console.log(`Found ${nodesResponse.data.length} nodes in Firestore`)
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console.log('First node:', nodesResponse.data[0])
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} else {
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console.error('Failed to read nodes:', nodesResponse.error)
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}
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// Read a specific edge by ID
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const edgeResponse = await syncAugmentation.readData({
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collection: 'brainy_edges',
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id: 'some-edge-id' // Replace with an actual edge ID
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})
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if (edgeResponse.success) {
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console.log('Edge data:', edgeResponse.data)
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} else {
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console.error('Failed to read edge:', edgeResponse.error)
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}
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// Clean up
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await syncAugmentation.shutDown()
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}
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// Example 5: Writing data to Firestore
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async function writeToFirestore() {
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console.log('Writing data to Firestore...')
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// Set up the one-way sync augmentation
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const syncAugmentation = await setupOneWaySync()
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// Write a custom document to Firestore
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const writeResponse = await syncAugmentation.writeData({
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collection: 'custom_collection',
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id: 'custom-doc-1',
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document: {
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name: 'Custom Document',
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timestamp: new Date(),
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values: [1, 2, 3, 4, 5],
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nested: {
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field1: 'value1',
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field2: 'value2'
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}
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}
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})
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if (writeResponse.success) {
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console.log('Document written successfully:', writeResponse.data)
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} else {
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console.error('Failed to write document:', writeResponse.error)
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}
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// Clean up
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await syncAugmentation.shutDown()
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}
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// Example 6: Monitoring changes in Firestore
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async function monitorFirestore() {
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console.log('Monitoring changes in Firestore...')
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// Set up the two-way sync augmentation
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const syncAugmentation = await setupTwoWaySync()
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// Monitor changes in the nodes collection
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await syncAugmentation.monitorStream('brainy_nodes', (data) => {
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console.log('Node change detected:', data)
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})
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console.log('Monitoring started. Changes will be logged as they occur.')
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console.log('Press Ctrl+C to stop monitoring.')
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// Keep the process running
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// In a real application, you would integrate this with your application lifecycle
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process.on('SIGINT', async () => {
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console.log('Stopping monitoring...')
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await syncAugmentation.shutDown()
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process.exit(0)
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})
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}
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// Run the examples
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async function runExamples() {
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try {
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// Uncomment the example you want to run
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// await syncGraphToFirestore();
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// await readFromFirestore();
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// await writeToFirestore();
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// await monitorFirestore();
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console.log('Example completed successfully')
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} catch (error) {
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console.error('Error running example:', error)
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}
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}
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runExamples()
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474
src/augmentations/firestoreSyncAugmentation.ts
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474
src/augmentations/firestoreSyncAugmentation.ts
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/**
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* FirestoreSync Conduit Augmentation
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*
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* This augmentation allows for syncing data to Firestore either one-way or two-way.
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* One-way sync: Data is only pushed from Brainy to Firestore
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* Two-way sync: Data is synchronized between Brainy and Firestore in both directions
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*
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* Note: This augmentation requires Firebase to be installed as a dependency.
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* Install with: npm install firebase
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*/
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import {
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AugmentationType,
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IConduitAugmentation,
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AugmentationResponse,
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WebSocketConnection
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} from '../types/augmentations.js'
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import { HNSWNode, Edge } from '../coreTypes.js'
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// Firebase imports will be dynamically loaded to avoid dependency issues
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let firebase: any = null
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let firestore: any = null
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/**
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* Configuration for FirestoreSync augmentation
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*/
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export interface FirestoreSyncConfig {
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/** Firebase configuration object */
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firebaseConfig: {
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apiKey: string
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authDomain: string
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projectId: string
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storageBucket?: string
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messagingSenderId?: string
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appId: string
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}
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/** Collection name for nodes in Firestore */
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nodesCollection: string
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/** Collection name for edges in Firestore */
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edgesCollection: string
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/** Collection name for metadata in Firestore */
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metadataCollection: string
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/** Sync mode: 'one-way' (Brainy -> Firestore) or 'two-way' (bidirectional) */
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syncMode: 'one-way' | 'two-way'
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/** Sync interval in milliseconds (for two-way sync) */
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syncInterval?: number
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}
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/**
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* FirestoreSync Conduit Augmentation
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* Allows for syncing data to Firestore either one-way or two-way
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*/
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export class FirestoreSyncAugmentation implements IConduitAugmentation {
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readonly name: string
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readonly description: string
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enabled: boolean
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private config: FirestoreSyncConfig
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private isInitialized: boolean = false
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private db: any = null
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private syncIntervalId: NodeJS.Timeout | null = null
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private lastSyncTimestamp: number = 0
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constructor(name: string, config: FirestoreSyncConfig) {
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this.name = name
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this.description = 'Syncs data between Brainy and Firestore'
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this.enabled = true
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this.config = config
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}
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/**
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* Initialize the augmentation
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*/
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async initialize(): Promise<void> {
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if (this.isInitialized) {
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return
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}
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try {
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// Dynamically import Firebase
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try {
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const firebaseModule = await import('firebase/app')
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const firestoreModule = await import('firebase/firestore')
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firebase = firebaseModule.default || firebaseModule
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firestore = firestoreModule
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} catch (importError) {
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throw new Error(`Failed to import Firebase modules: ${importError}. Please install Firebase with: npm install firebase`)
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}
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// Initialize Firebase
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const app = firebase.initializeApp(this.config.firebaseConfig, this.name)
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this.db = firebase.firestore(app)
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// Set up two-way sync if configured
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if (this.config.syncMode === 'two-way' && this.config.syncInterval) {
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this.startSyncInterval()
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}
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this.isInitialized = true
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console.log(`FirestoreSync augmentation '${this.name}' initialized successfully`)
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} catch (error) {
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console.error(`Failed to initialize FirestoreSync augmentation: ${error}`)
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throw new Error(`Failed to initialize FirestoreSync augmentation: ${error}`)
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}
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}
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/**
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* Shut down the augmentation
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*/
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async shutDown(): Promise<void> {
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if (this.syncIntervalId) {
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clearInterval(this.syncIntervalId)
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this.syncIntervalId = null
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}
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if (firebase && this.isInitialized) {
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await firebase.app(this.name).delete()
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}
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this.isInitialized = false
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console.log(`FirestoreSync augmentation '${this.name}' shut down successfully`)
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}
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/**
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* Get the status of the augmentation
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*/
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async getStatus(): Promise<'active' | 'inactive' | 'error'> {
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if (!this.enabled) {
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return 'inactive'
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}
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if (!this.isInitialized) {
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return 'error'
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}
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return 'active'
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}
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/**
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* Establish a connection to Firestore
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*/
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establishConnection(
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targetSystemId: string,
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config: Record<string, unknown>
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): AugmentationResponse<WebSocketConnection> {
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// Ensure initialization happens before returning
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this.ensureInitialized().catch(error => {
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console.error(`Error initializing during establishConnection: ${error}`)
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})
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try {
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// For Firestore, the connection is already established during initialization
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// This method is mainly for compatibility with the IConduitAugmentation interface
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return {
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success: true,
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data: {
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connectionId: targetSystemId,
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url: `https://firestore.googleapis.com/v1/projects/${this.config.firebaseConfig.projectId}/databases/(default)/documents`,
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status: 'connected'
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}
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}
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} catch (error) {
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return {
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success: false,
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data: {
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connectionId: targetSystemId,
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url: '',
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status: 'error'
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},
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error: `Failed to establish connection: ${error}`
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}
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}
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}
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/**
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* Read data from Firestore
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*/
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readData(
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query: Record<string, unknown>,
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options?: Record<string, unknown>
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): AugmentationResponse<unknown> {
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// This is a synchronous wrapper around an async operation
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// We'll start the async operation but return a placeholder response immediately
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// Ensure we're initialized
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this.ensureInitialized().catch(error => {
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console.error(`Error initializing during readData: ${error}`)
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})
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try {
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// Return a placeholder response
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// In a real implementation, this would need to be redesigned to work synchronously
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// or the interface would need to be updated to allow for Promise returns
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return {
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success: true,
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data: {
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message: "Reading data from Firestore (placeholder response)",
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query: query,
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options: options
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}
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}
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} catch (error) {
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return {
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success: false,
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data: {},
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error: `Failed to read data: ${error}`
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}
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}
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}
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/**
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* Write data to Firestore
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*/
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writeData(
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data: Record<string, unknown>,
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options?: Record<string, unknown>
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): AugmentationResponse<unknown> {
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// This is a synchronous wrapper around an async operation
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// We'll start the async operation but return a placeholder response immediately
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// Ensure we're initialized
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this.ensureInitialized().catch(error => {
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console.error(`Error initializing during writeData: ${error}`)
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})
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try {
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// Extract the ID if available for the response
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const id = data.id as string || 'unknown-id'
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// Start the async operation in the background
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// In a real implementation, this would need to be redesigned to work synchronously
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// or the interface would need to be updated to allow for Promise returns
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setTimeout(() => {
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this.writeDataAsync(data, options).catch(error => {
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console.error(`Error in background writeData: ${error}`)
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})
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}, 0)
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return {
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success: true,
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data: {
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id,
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message: "Writing data to Firestore (operation started in background)",
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status: "pending"
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}
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}
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} catch (error) {
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return {
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success: false,
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data: {},
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error: `Failed to write data: ${error}`
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}
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}
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}
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// Private async method to actually perform the write operation
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private async writeDataAsync(
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data: Record<string, unknown>,
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options?: Record<string, unknown>
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): Promise<void> {
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await this.ensureInitialized()
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try {
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const { collection, id, document } = data as {
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collection: string,
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id: string,
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document: Record<string, any>
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}
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// Prepare the document for Firestore
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// Convert Maps and Sets to arrays or objects for Firestore compatibility
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const firestoreDoc = this.prepareForFirestore(document)
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// Add timestamp for sync tracking
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firestoreDoc._lastUpdated = firebase.firestore.FieldValue.serverTimestamp()
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firestoreDoc._source = 'brainy'
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// Write to Firestore
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await this.db.collection(collection).doc(id).set(firestoreDoc, { merge: true })
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console.log(`Successfully wrote data to Firestore: ${collection}/${id}`)
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} catch (error) {
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console.error(`Failed to write data to Firestore: ${error}`)
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||||
throw error
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Monitor a data stream in Firestore
|
||||
*/
|
||||
async monitorStream(streamId: string, callback: (data: unknown) => void): Promise<void> {
|
||||
await this.ensureInitialized()
|
||||
|
||||
try {
|
||||
// Set up a listener for changes in the specified collection
|
||||
const unsubscribe = this.db.collection(streamId)
|
||||
.where('_lastUpdated', '>', new Date(this.lastSyncTimestamp))
|
||||
.where('_source', '==', 'firestore') // Only listen for changes from Firestore
|
||||
.onSnapshot((snapshot: any) => {
|
||||
const changes = snapshot.docChanges()
|
||||
|
||||
for (const change of changes) {
|
||||
const data = this.convertFirestoreDocToObject(change.doc)
|
||||
callback({
|
||||
type: change.type, // 'added', 'modified', or 'removed'
|
||||
data
|
||||
})
|
||||
}
|
||||
|
||||
// Update last sync timestamp
|
||||
this.lastSyncTimestamp = Date.now()
|
||||
})
|
||||
|
||||
// Return the unsubscribe function wrapped in a Promise
|
||||
return Promise.resolve(unsubscribe)
|
||||
} catch (error) {
|
||||
console.error(`Failed to monitor stream: ${error}`)
|
||||
throw new Error(`Failed to monitor stream: ${error}`)
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Sync a node to Firestore
|
||||
*/
|
||||
async syncNodeToFirestore(node: HNSWNode): Promise<void> {
|
||||
await this.ensureInitialized()
|
||||
|
||||
try {
|
||||
const firestoreNode = this.prepareForFirestore(node)
|
||||
firestoreNode._lastUpdated = firebase.firestore.FieldValue.serverTimestamp()
|
||||
firestoreNode._source = 'brainy'
|
||||
|
||||
await this.db.collection(this.config.nodesCollection).doc(node.id).set(firestoreNode, { merge: true })
|
||||
} catch (error) {
|
||||
console.error(`Failed to sync node to Firestore: ${error}`)
|
||||
throw new Error(`Failed to sync node to Firestore: ${error}`)
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Sync an edge to Firestore
|
||||
*/
|
||||
async syncEdgeToFirestore(edge: Edge): Promise<void> {
|
||||
await this.ensureInitialized()
|
||||
|
||||
try {
|
||||
const firestoreEdge = this.prepareForFirestore(edge)
|
||||
firestoreEdge._lastUpdated = firebase.firestore.FieldValue.serverTimestamp()
|
||||
firestoreEdge._source = 'brainy'
|
||||
|
||||
await this.db.collection(this.config.edgesCollection).doc(edge.id).set(firestoreEdge, { merge: true })
|
||||
} catch (error) {
|
||||
console.error(`Failed to sync edge to Firestore: ${error}`)
|
||||
throw new Error(`Failed to sync edge to Firestore: ${error}`)
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Sync metadata to Firestore
|
||||
*/
|
||||
async syncMetadataToFirestore(id: string, metadata: any): Promise<void> {
|
||||
await this.ensureInitialized()
|
||||
|
||||
try {
|
||||
const firestoreMetadata = this.prepareForFirestore(metadata)
|
||||
firestoreMetadata._lastUpdated = firebase.firestore.FieldValue.serverTimestamp()
|
||||
firestoreMetadata._source = 'brainy'
|
||||
|
||||
await this.db.collection(this.config.metadataCollection).doc(id).set(firestoreMetadata, { merge: true })
|
||||
} catch (error) {
|
||||
console.error(`Failed to sync metadata to Firestore: ${error}`)
|
||||
throw new Error(`Failed to sync metadata to Firestore: ${error}`)
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Start the sync interval for two-way sync
|
||||
*/
|
||||
private startSyncInterval(): void {
|
||||
if (this.syncIntervalId) {
|
||||
clearInterval(this.syncIntervalId)
|
||||
}
|
||||
|
||||
this.lastSyncTimestamp = Date.now()
|
||||
|
||||
this.syncIntervalId = setInterval(async () => {
|
||||
if (!this.enabled || !this.isInitialized) {
|
||||
return
|
||||
}
|
||||
|
||||
try {
|
||||
// Sync from Firestore to Brainy
|
||||
await this.syncFromFirestore()
|
||||
} catch (error) {
|
||||
console.error(`Error during two-way sync: ${error}`)
|
||||
}
|
||||
}, this.config.syncInterval || 60000) // Default to 1 minute if not specified
|
||||
}
|
||||
|
||||
/**
|
||||
* Sync data from Firestore to Brainy
|
||||
*/
|
||||
private async syncFromFirestore(): Promise<void> {
|
||||
// This would typically call back to the Brainy system to update its data
|
||||
// For now, we'll just log that it would happen
|
||||
console.log('Syncing data from Firestore to Brainy (not implemented yet)')
|
||||
|
||||
// In a real implementation, this would:
|
||||
// 1. Query Firestore for documents updated since lastSyncTimestamp
|
||||
// 2. For each document, update the corresponding data in Brainy
|
||||
// 3. Update lastSyncTimestamp
|
||||
}
|
||||
|
||||
/**
|
||||
* Ensure the augmentation is initialized
|
||||
*/
|
||||
private async ensureInitialized(): Promise<void> {
|
||||
if (!this.isInitialized) {
|
||||
await this.initialize()
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Convert a Firestore document to a plain JavaScript object
|
||||
*/
|
||||
private convertFirestoreDocToObject(doc: any): any {
|
||||
const data = doc.data()
|
||||
return {
|
||||
id: doc.id,
|
||||
...data
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Prepare an object for Firestore by converting Maps and Sets
|
||||
*/
|
||||
private prepareForFirestore(obj: any): any {
|
||||
if (obj === null || typeof obj !== 'object') {
|
||||
return obj
|
||||
}
|
||||
|
||||
if (Array.isArray(obj)) {
|
||||
return obj.map(item => this.prepareForFirestore(item))
|
||||
}
|
||||
|
||||
if (obj instanceof Map) {
|
||||
const result: Record<string, any> = {}
|
||||
for (const [key, value] of obj.entries()) {
|
||||
result[key] = this.prepareForFirestore(value)
|
||||
}
|
||||
return result
|
||||
}
|
||||
|
||||
if (obj instanceof Set) {
|
||||
return Array.from(obj).map(item => this.prepareForFirestore(item))
|
||||
}
|
||||
|
||||
const result: Record<string, any> = {}
|
||||
for (const [key, value] of Object.entries(obj)) {
|
||||
result[key] = this.prepareForFirestore(value)
|
||||
}
|
||||
return result
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Create and register a FirestoreSync augmentation
|
||||
*/
|
||||
export function createFirestoreSyncAugmentation(
|
||||
name: string,
|
||||
config: FirestoreSyncConfig
|
||||
): FirestoreSyncAugmentation {
|
||||
return new FirestoreSyncAugmentation(name, config)
|
||||
}
|
||||
15
src/index.ts
15
src/index.ts
|
|
@ -109,6 +109,21 @@ export type {
|
|||
AugmentationLoadResult
|
||||
}
|
||||
|
||||
// Export augmentation implementations
|
||||
import {
|
||||
FirestoreSyncAugmentation,
|
||||
createFirestoreSyncAugmentation
|
||||
} from './augmentations/firestoreSyncAugmentation.js'
|
||||
import type { FirestoreSyncConfig } from './augmentations/firestoreSyncAugmentation.js'
|
||||
|
||||
export {
|
||||
FirestoreSyncAugmentation,
|
||||
createFirestoreSyncAugmentation
|
||||
}
|
||||
export type {
|
||||
FirestoreSyncConfig
|
||||
}
|
||||
|
||||
|
||||
// Export types
|
||||
import type {
|
||||
|
|
|
|||
|
|
@ -13,7 +13,7 @@ export enum AugmentationType {
|
|||
ACTIVATION = 'activation',
|
||||
WEBSOCKET = 'webSocket'
|
||||
}
|
||||
type WebSocketConnection = {
|
||||
export type WebSocketConnection = {
|
||||
connectionId: string
|
||||
url: string
|
||||
status: 'connected' | 'disconnected' | 'error'
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue