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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f311b120c1
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5 changed files with 1135 additions and 315 deletions
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
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}
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}
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/**
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* Monitor a data stream in Firestore
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*/
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async monitorStream(streamId: string, callback: (data: unknown) => void): Promise<void> {
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await this.ensureInitialized()
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try {
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// Set up a listener for changes in the specified collection
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const unsubscribe = this.db.collection(streamId)
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.where('_lastUpdated', '>', new Date(this.lastSyncTimestamp))
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.where('_source', '==', 'firestore') // Only listen for changes from Firestore
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.onSnapshot((snapshot: any) => {
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const changes = snapshot.docChanges()
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for (const change of changes) {
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const data = this.convertFirestoreDocToObject(change.doc)
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callback({
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type: change.type, // 'added', 'modified', or 'removed'
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data
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})
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}
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// Update last sync timestamp
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this.lastSyncTimestamp = Date.now()
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})
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// Return the unsubscribe function wrapped in a Promise
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return Promise.resolve(unsubscribe)
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} catch (error) {
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console.error(`Failed to monitor stream: ${error}`)
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throw new Error(`Failed to monitor stream: ${error}`)
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}
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}
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/**
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* Sync a node to Firestore
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*/
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async syncNodeToFirestore(node: HNSWNode): Promise<void> {
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await this.ensureInitialized()
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try {
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const firestoreNode = this.prepareForFirestore(node)
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firestoreNode._lastUpdated = firebase.firestore.FieldValue.serverTimestamp()
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firestoreNode._source = 'brainy'
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await this.db.collection(this.config.nodesCollection).doc(node.id).set(firestoreNode, { merge: true })
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} catch (error) {
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console.error(`Failed to sync node to Firestore: ${error}`)
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throw new Error(`Failed to sync node to Firestore: ${error}`)
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}
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}
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/**
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* Sync an edge to Firestore
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*/
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async syncEdgeToFirestore(edge: Edge): Promise<void> {
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await this.ensureInitialized()
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try {
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const firestoreEdge = this.prepareForFirestore(edge)
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firestoreEdge._lastUpdated = firebase.firestore.FieldValue.serverTimestamp()
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firestoreEdge._source = 'brainy'
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await this.db.collection(this.config.edgesCollection).doc(edge.id).set(firestoreEdge, { merge: true })
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} catch (error) {
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console.error(`Failed to sync edge to Firestore: ${error}`)
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throw new Error(`Failed to sync edge to Firestore: ${error}`)
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}
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}
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/**
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* Sync metadata to Firestore
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*/
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async syncMetadataToFirestore(id: string, metadata: any): Promise<void> {
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await this.ensureInitialized()
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try {
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const firestoreMetadata = this.prepareForFirestore(metadata)
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firestoreMetadata._lastUpdated = firebase.firestore.FieldValue.serverTimestamp()
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firestoreMetadata._source = 'brainy'
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await this.db.collection(this.config.metadataCollection).doc(id).set(firestoreMetadata, { merge: true })
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} catch (error) {
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console.error(`Failed to sync metadata to Firestore: ${error}`)
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throw new Error(`Failed to sync metadata to Firestore: ${error}`)
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}
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}
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/**
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* Start the sync interval for two-way sync
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*/
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private startSyncInterval(): void {
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if (this.syncIntervalId) {
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clearInterval(this.syncIntervalId)
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}
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this.lastSyncTimestamp = Date.now()
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this.syncIntervalId = setInterval(async () => {
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if (!this.enabled || !this.isInitialized) {
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return
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}
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try {
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// Sync from Firestore to Brainy
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await this.syncFromFirestore()
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} catch (error) {
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console.error(`Error during two-way sync: ${error}`)
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}
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}, this.config.syncInterval || 60000) // Default to 1 minute if not specified
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}
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/**
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* Sync data from Firestore to Brainy
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*/
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private async syncFromFirestore(): Promise<void> {
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// This would typically call back to the Brainy system to update its data
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// For now, we'll just log that it would happen
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console.log('Syncing data from Firestore to Brainy (not implemented yet)')
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// In a real implementation, this would:
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// 1. Query Firestore for documents updated since lastSyncTimestamp
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// 2. For each document, update the corresponding data in Brainy
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// 3. Update lastSyncTimestamp
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}
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/**
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* Ensure the augmentation is initialized
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*/
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private async ensureInitialized(): Promise<void> {
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if (!this.isInitialized) {
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await this.initialize()
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}
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}
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/**
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* Convert a Firestore document to a plain JavaScript object
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*/
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private convertFirestoreDocToObject(doc: any): any {
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const data = doc.data()
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return {
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id: doc.id,
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...data
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}
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}
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/**
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* Prepare an object for Firestore by converting Maps and Sets
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*/
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private prepareForFirestore(obj: any): any {
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if (obj === null || typeof obj !== 'object') {
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return obj
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}
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if (Array.isArray(obj)) {
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return obj.map(item => this.prepareForFirestore(item))
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}
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if (obj instanceof Map) {
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const result: Record<string, any> = {}
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for (const [key, value] of obj.entries()) {
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result[key] = this.prepareForFirestore(value)
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}
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return result
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}
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if (obj instanceof Set) {
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return Array.from(obj).map(item => this.prepareForFirestore(item))
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}
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const result: Record<string, any> = {}
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for (const [key, value] of Object.entries(obj)) {
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result[key] = this.prepareForFirestore(value)
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}
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return result
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}
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}
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/**
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* Create and register a FirestoreSync augmentation
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*/
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export function createFirestoreSyncAugmentation(
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name: string,
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config: FirestoreSyncConfig
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): FirestoreSyncAugmentation {
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return new FirestoreSyncAugmentation(name, config)
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}
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