[Station Logbooks] Adds column public_slug this will be used for generating the publicly sharable dashboard in v2 cloudlog

application/config/migration.php

@@ -21,7 +21,7 @@ $config['migration_enabled'] = TRUE;
 | be upgraded / downgraded to.
 |
 */
-$config['migration_version'] = 84;
+$config['migration_version'] = 85;
 
 /*
 |--------------------------------------------------------------------------

application/migrations/085_add_public_slug_to_stationlogbooks.php

@@ -0,0 +1,34 @@
+<?php
+
+defined('BASEPATH') OR exit('No direct script access allowed');
+
+/*
+    Creates column public_slug in table station_logbooks
+*/
+
+class Migration_add_public_slug_to_stationlogbooks extends CI_Migration {
+
+    public function up()
+    {
+        if ($this->db->table_exists('station_logbooks')) {
+
+            $fields = array(
+                'public_slug' => array(
+                    'type' => 'VARCHAR',
+                    'constraint' => '200',
+                    'null' => TRUE,
+                    'unique' => TRUE
+                )
+        );
+
+            $this->dbforge->add_column('station_logbooks', $fields);
+
+            $this->dbforge->add_key('public_slug');
+        }
+    }
+
+    public function down()
+    {
+        $this->dbforge->drop_column('station_logbooks', 'public_slug');
+    }
+}