n8n-mcp/dist/scripts/fetch-templates.js

Integration between n8n workflow automation and Model Context Protocol (MCP)

#!/usr/bin/env node
"use strict";
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        __setModuleDefault(result, mod);
        return result;
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})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.fetchTemplates = fetchTemplates;
const database_adapter_1 = require("../database/database-adapter");
const template_service_1 = require("../templates/template-service");
const fs = __importStar(require("fs"));
const path = __importStar(require("path"));
async function fetchTemplates() {
    console.log('🌐 Fetching n8n workflow templates...\n');
    const dataDir = './data';
    if (!fs.existsSync(dataDir)) {
        fs.mkdirSync(dataDir, { recursive: true });
    }
    const db = await (0, database_adapter_1.createDatabaseAdapter)('./data/nodes.db');
    try {
        db.exec('DROP TABLE IF EXISTS templates');
        db.exec('DROP TABLE IF EXISTS templates_fts');
        console.log('🗑️  Dropped existing templates tables\n');
    }
    catch (error) {
    }
    const schema = fs.readFileSync(path.join(__dirname, '../../src/database/schema.sql'), 'utf8');
    db.exec(schema);
    const hasFTS5 = db.checkFTS5Support();
    if (hasFTS5) {
        console.log('🔍  Creating FTS5 tables for template search...');
        try {
            db.exec(`
        CREATE VIRTUAL TABLE IF NOT EXISTS templates_fts USING fts5(
          name, description, content=templates
        );
      `);
            db.exec(`
        CREATE TRIGGER IF NOT EXISTS templates_ai AFTER INSERT ON templates BEGIN
          INSERT INTO templates_fts(rowid, name, description)
          VALUES (new.id, new.name, new.description);
        END;
      `);
            db.exec(`
        CREATE TRIGGER IF NOT EXISTS templates_au AFTER UPDATE ON templates BEGIN
          UPDATE templates_fts SET name = new.name, description = new.description
          WHERE rowid = new.id;
        END;
      `);
            db.exec(`
        CREATE TRIGGER IF NOT EXISTS templates_ad AFTER DELETE ON templates BEGIN
          DELETE FROM templates_fts WHERE rowid = old.id;
        END;
      `);
            console.log('✅  FTS5 tables created successfully\n');
        }
        catch (error) {
            console.log('⚠️  Failed to create FTS5 tables:', error);
            console.log('   Template search will use LIKE fallback\n');
        }
    }
    else {
        console.log('ℹ️  FTS5 not supported in this SQLite build');
        console.log('   Template search will use LIKE queries\n');
    }
    const service = new template_service_1.TemplateService(db);
    let lastMessage = '';
    const startTime = Date.now();
    try {
        await service.fetchAndUpdateTemplates((message, current, total) => {
            if (lastMessage) {
                process.stdout.write('\r' + ' '.repeat(lastMessage.length) + '\r');
            }
            const progress = Math.round((current / total) * 100);
            lastMessage = `📊 ${message}: ${current}/${total} (${progress}%)`;
            process.stdout.write(lastMessage);
        });
        console.log('\n');
        const stats = await service.getTemplateStats();
        const elapsed = Math.round((Date.now() - startTime) / 1000);
        console.log('✅ Template fetch complete!\n');
        console.log('📈 Statistics:');
        console.log(`   - Total templates: ${stats.totalTemplates}`);
        console.log(`   - Average views: ${stats.averageViews}`);
        console.log(`   - Time elapsed: ${elapsed} seconds`);
        console.log('\n🔝 Top used nodes:');
        stats.topUsedNodes.forEach((node, index) => {
            console.log(`   ${index + 1}. ${node.node} (${node.count} templates)`);
        });
    }
    catch (error) {
        console.error('\n❌ Error fetching templates:', error);
        process.exit(1);
    }
    if ('close' in db && typeof db.close === 'function') {
        db.close();
    }
}
if (require.main === module) {
    fetchTemplates().catch(console.error);
}
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