Make migration and model for batu permata feature

app/Marhun.php

@@ -15,7 +15,7 @@ class Marhun extends Model
      * @var array
      */
     protected $fillable = [
-        'kodcaw','marhun','t_gadai','norujukan','bil','nota','karat','berat','harga','n_marhun'
+        'kodcaw','marhun','t_gadai','norujukan','bil','nota','karat','berat','harga','n_marhun','batu_permata','berat_batu_permata',
     ];
 
     /**

database/migrations/2024_01_24_125247_add_batu_permata_to_marhun.php

@@ -0,0 +1,78 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class AddBatuPermataToMarhun extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    /**
+     *
+     * @var object $db_connection
+     */
+
+    public function getActiveDB()
+    {
+        $config_db = array_keys(config("database.connections"));
+
+        $db_connection = array_filter($config_db, function ($connection) {
+            try {
+                if ($connection == 'mysql7' || $connection == 'lelong')
+                    return false;
+
+                $db = DB::connection($connection)->getPdo();
+                return true;
+            } catch (\Exception $e) {
+                return false;
+            }
+        });
+        return $db_connection;
+    }
+    public function up()
+    {
+        $db_connection = $this->getActiveDB();
+
+        foreach ($db_connection as $dbase) {
+            Schema::connection($dbase)->table('marhun', function (Blueprint $table) use ($dbase) {
+
+                $isBatuPermataExist = Schema::connection($dbase)->hasColumn('marhun', 'batu_permata');
+                $isBatuPermataExist = Schema::connection($dbase)->hasColumn('marhun', 'berat_batu_permata');
+
+                if (!$isBatuPermataExist) {
+                    $table->string('batu_permata')->nullable();
+                    $table->decimal('berat_batu_permata', 7, 2)->nullable();
+                }
+            });
+        }
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        $db_connection = $this->getActiveDB();
+
+        foreach ($db_connection as $dbase) {
+            $columns = ['batu_permata', 'berat_batu_permata'];
+
+
+            $columns_exist = array_filter($columns, function ($column) use ($dbase) {
+                return Schema::connection($dbase)->hasColumn('marhun', $column);
+            });
+
+            Schema::connection($dbase)->table('marhun', function (Blueprint $table) use ($columns_exist) {
+                foreach ($columns_exist as $column) {
+                    $table->dropColumn($column);
+                }
+            });
+        }
+    }
+}