added logic to auto-populate the hrd_username from station_callsign

application/migrations/162_hrdlog_username.php

@@ -1,14 +1,14 @@
 <?php
 
-defined('BASEPATH') OR exit('No direct script access allowed');
+defined('BASEPATH') or exit('No direct script access allowed');
 
 /*
  *   This adds the hrdlog username to the station profile as this is needed 
  *   for special callsigns
 */
 
-class Migration_hrdlog_username extends CI_Migration {
+class Migration_hrdlog_username extends CI_Migration
-
+{
 	public function up()
 	{
 		if (!$this->db->field_exists('hrdlog_username', 'station_profile')) {
@@ -17,6 +17,23 @@ class Migration_hrdlog_username extends CI_Migration {
 			);
 			$this->dbforge->add_column('station_profile', $fields);
 		}
+
+		// SELECT all rows where hrdlog_code is not empty
+		$this->db->where("(hrdlog_code IS NOT NULL AND hrdlog_code != '')");
+		$query = $this->db->get('station_profile');
+		$rows = $query->result();
+
+		// Iterate through all selected rows
+		foreach ($rows as $row) {
+			// Extract the username using the regex pattern
+			$regex = '/^((\d|[A-Z])+\/)?((\d|[A-Z]){3,})(\/(\d|[A-Z])+)?(\/(\d|[A-Z])+)?$/';
+			preg_match($regex, $row->station_callsign, $matches);
+			$username = $matches[3];
+
+			// Update the row with the extracted username
+			$this->db->where('station_id', $row->station_id);
+			$this->db->update('station_profile', array('hrdlog_username' => $username));
+		}
 	}
 
 	public function down()
@@ -25,4 +42,4 @@ class Migration_hrdlog_username extends CI_Migration {
 			$this->dbforge->drop_column('station_profile', 'hrdlog_username');
 		}
 	}
-}
+}