UI tweaks for match columns step + auto hide empty columns

inventory-server/scripts/import/utils.js

@@ -1,156 +0,0 @@
-const mysql = require("mysql2/promise");
-const { Client } = require("ssh2");
-const { Pool } = require('pg');
-const dotenv = require("dotenv");
-const path = require("path");
-
-// Helper function to setup SSH tunnel
-async function setupSshTunnel(sshConfig) {
-  return new Promise((resolve, reject) => {
-    const ssh = new Client();
-
-    ssh.on('error', (err) => {
-      console.error('SSH connection error:', err);
-    });
-
-    ssh.on('end', () => {
-      console.log('SSH connection ended normally');
-    });
-
-    ssh.on('close', () => {
-      console.log('SSH connection closed');
-    });
-
-    ssh
-      .on("ready", () => {
-        ssh.forwardOut(
-          "127.0.0.1",
-          0,
-          sshConfig.prodDbConfig.host,
-          sshConfig.prodDbConfig.port,
-          async (err, stream) => {
-            if (err) reject(err);
-            resolve({ ssh, stream });
-          }
-        );
-      })
-      .connect(sshConfig.ssh);
-  });
-}
-
-// Helper function to setup database connections
-async function setupConnections(sshConfig) {
-  const tunnel = await setupSshTunnel(sshConfig);
-  
-  // Setup MySQL connection for production
-  const prodConnection = await mysql.createConnection({
-    ...sshConfig.prodDbConfig,
-    stream: tunnel.stream,
-  });
-
-  // Setup PostgreSQL connection pool for local
-  const localPool = new Pool(sshConfig.localDbConfig);
-
-  // Test the PostgreSQL connection
-  try {
-    const client = await localPool.connect();
-    await client.query('SELECT NOW()');
-    client.release();
-    console.log('PostgreSQL connection successful');
-  } catch (err) {
-    console.error('PostgreSQL connection error:', err);
-    throw err;
-  }
-
-  // Create a wrapper for the PostgreSQL pool to match MySQL interface
-  const localConnection = {
-    _client: null,
-    _transactionActive: false,
-
-    query: async (text, params) => {
-      // If we're not in a transaction, use the pool directly
-      if (!localConnection._transactionActive) {
-        const client = await localPool.connect();
-        try {
-          const result = await client.query(text, params);
-          return [result];
-        } finally {
-          client.release();
-        }
-      }
-      
-      // If we're in a transaction, use the dedicated client
-      if (!localConnection._client) {
-        throw new Error('No active transaction client');
-      }
-      const result = await localConnection._client.query(text, params);
-      return [result];
-    },
-
-    beginTransaction: async () => {
-      if (localConnection._transactionActive) {
-        throw new Error('Transaction already active');
-      }
-      localConnection._client = await localPool.connect();
-      await localConnection._client.query('BEGIN');
-      localConnection._transactionActive = true;
-    },
-
-    commit: async () => {
-      if (!localConnection._transactionActive) {
-        throw new Error('No active transaction to commit');
-      }
-      await localConnection._client.query('COMMIT');
-      localConnection._client.release();
-      localConnection._client = null;
-      localConnection._transactionActive = false;
-    },
-
-    rollback: async () => {
-      if (!localConnection._transactionActive) {
-        throw new Error('No active transaction to rollback');
-      }
-      await localConnection._client.query('ROLLBACK');
-      localConnection._client.release();
-      localConnection._client = null;
-      localConnection._transactionActive = false;
-    },
-
-    end: async () => {
-      if (localConnection._client) {
-        localConnection._client.release();
-        localConnection._client = null;
-      }
-      await localPool.end();
-    }
-  };
-
-  return { prodConnection, localConnection, tunnel };
-}
-
-// Helper function to close connections
-async function closeConnections(connections) {
-  const { ssh, prodConnection, localConnection } = connections;
-  
-  try {
-    if (prodConnection) await prodConnection.end();
-    if (localConnection) await localConnection.end();
-    
-    // Wait a bit for any pending data to be written before closing SSH
-    await new Promise(resolve => setTimeout(resolve, 100));
-    
-    if (ssh) {
-      ssh.on('close', () => {
-        console.log('SSH connection closed cleanly');
-      });
-      ssh.end();
-    }
-  } catch (err) {
-    console.error('Error during cleanup:', err);
-  }
-}
-
-module.exports = {
-  setupConnections,
-  closeConnections
-};