Smart EHR MCP Server

import { Command } from 'commander'; import { Database } from 'bun:sqlite'; import fs from 'fs'; import { createFhirRenderer } from '../src/fhirToPlaintext'; // Adjust path as needed import { sqliteToEhr } from '../src/dbUtils'; // Import the DB loading function import { ClientFullEHR } from '../clientTypes'; // Import type for fullEhr async function main() { const program = new Command(); program .name('test-fhirToPlaintext') .description('Test FHIR to Plaintext rendering against resources in a SQLite DB') .requiredOption('--db <path>', 'Path to the SQLite database file containing FHIR resources') .parse(process.argv); const options = program.opts(); const dbPath = options.db; // Validate DB file existence if (!fs.existsSync(dbPath)) { console.error(`Error: Database file not found at "${dbPath}"`); process.exit(1); } let db: Database | null = null; try { console.log(`Opening database: ${dbPath}`); db = new Database(dbPath); // Load the full EHR data from the database console.log("Loading full EHR data from database..."); const fullEhr: ClientFullEHR = await sqliteToEhr(db); console.log(`Loaded ${Object.keys(fullEhr.fhir).length} resource types and ${fullEhr.attachments.length} attachments.`); // Create the renderer instance with the loaded data console.log("Creating FHIR renderer..."); const render = createFhirRenderer(fullEhr); console.log("Renderer created.\n"); const resourceTypesToTest = Object.keys(fullEhr.fhir); // Test types present in the data console.log(`Testing rendering for ${resourceTypesToTest.length} resource types found in the data...\n`); for (const resourceType of resourceTypesToTest) { console.log(`===== Testing Resource Type: ${resourceType} =====`); const resources = fullEhr.fhir[resourceType]; if (resources.length === 0) { console.log(`No ${resourceType} resources found in the database.\n`); continue; } console.log(`Found ${resources.length} ${resourceType} resource(s) to render...`); // Limit the number of resources rendered per type for brevity in testing const resourcesToRender = resources.slice(0, 1000); console.log(`(Rendering first ${resourcesToRender.length} of them)`); for (const resourceObj of resourcesToRender) { const resourceId = resourceObj?.id || '[ID Missing]'; console.log(`\n--- Rendering ${resourceType}/${resourceId} ---`); try { // Use the renderer instance created from the fullEhr data const plaintext = render(resourceObj); console.log(plaintext || "[No plaintext generated]"); } catch (renderError: any) { console.error(`Error rendering ${resourceType}/${resourceId}: ${renderError.message}`); console.error(renderError.stack); // Log stack for debugging } console.log("---\n"); } } console.log("\n===== Testing Complete ====="); } catch (error: any) { console.error(`An unexpected error occurred: ${error.message}`); console.error(error.stack); } finally { if (db) { console.log("Closing database."); db.close(); } } } main();