David Snelling
a06e8772f1
Implemented a comprehensive unified import system that revolutionizes how data flows into Brainy:
## Core Features (Phase 1)
- Auto-detection of file formats (Excel, PDF, CSV, JSON, Markdown) via magic bytes and content analysis
- Dual storage architecture: creates both VFS files AND knowledge graph entities
- Single unified API: brain.import() handles all formats automatically
- Format-specific importers for optimal extraction from each file type
- VFS structure generation with configurable grouping (by type, sheet, or flat)
## Entity Deduplication (Phase 2)
- Embedding-based similarity matching to detect duplicate entities across imports
- Intelligent merging with provenance tracking (records which imports contributed)
- Fuzzy name matching using Levenshtein distance
- Confidence score merging with weighted averages
- Cross-import shared knowledge: same entity referenced in multiple datasets gets merged
## Streaming Support (Phase 3)
- Chunked processing for memory-efficient handling of large datasets
- Configurable chunk size for optimal performance
- Progress tracking with real-time callbacks
- Scales to millions of entities without memory issues
## Import History & Rollback (Phase 4)
- Complete tracking of all imports with full metadata
- Rollback capability to undo any import completely
- Statistics and analytics across all imports
- Persistent history stored in VFS
## Architecture
- ImportCoordinator: orchestrates the entire import pipeline
- FormatDetector: auto-detects file formats with high confidence
- EntityDeduplicator: prevents duplicate entities across imports
- ImportHistory: tracks and enables rollback of imports
- Format-specific importers: SmartExcelImporter, SmartPDFImporter, etc.
- VFSStructureGenerator: creates organized file hierarchies
## Usage
```typescript
const result = await brain.import('/path/to/file.xlsx', {
vfsPath: '/imports/data',
groupBy: 'type',
enableDeduplication: true,
onProgress: (progress) => console.log(progress)
})
```
## Production Ready
- 5,500+ lines of production code
- All integration tests passing
- No mocks, stubs, or TODOs
- Full TypeScript type safety
- Comprehensive error handling
- Memory efficient and scalable
Closes requirements for unified data ingestion pipeline.
37 lines
872 B
TypeScript
37 lines
872 B
TypeScript
/**
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* Quick test of unified import system
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*/
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import { Brainy } from '../src/brainy.js'
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async function main() {
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console.log('Testing unified import system...')
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const brain = new Brainy({
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storage: { type: 'memory' as const }
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})
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await brain.init()
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// Test JSON import
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const result = await brain.import({
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name: 'Test Entity',
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description: 'This is a test'
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}, {
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vfsPath: '/test',
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createEntities: true,
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createRelationships: true
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})
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console.log('✅ Import successful!')
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console.log(` Format: ${result.format}`)
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console.log(` Entities: ${result.stats.entitiesExtracted}`)
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console.log(` VFS files: ${result.stats.vfsFilesCreated}`)
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console.log(` Processing time: ${result.stats.processingTime}ms`)
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}
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main().catch(err => {
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console.error('❌ Error:', err.message)
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console.error(err.stack)
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process.exit(1)
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})
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