Added migration, model, resource, importer, and exporter files for add stop_flow_id columns and remove stopped columns

database/migrations/2026_09_09_180717_add_stop_flow_id_columns_and_remove_stopped_columns_from_class_characteristics_table.php

@@ -0,0 +1,67 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        $sql1 = <<<'SQL'
+        ALTER TABLE class_characteristics
+        DROP COLUMN is_stopped
+        SQL;
+
+        DB::statement($sql1);
+
+        $sql2 = <<<'SQL'
+        ALTER TABLE class_characteristics
+        DROP COLUMN stopped_datetime
+        SQL;
+
+        DB::statement($sql2);
+
+        $sql3 = <<<'SQL'
+        ALTER TABLE class_characteristics
+        DROP COLUMN stopped_by
+        SQL;
+
+        DB::statement($sql3);
+
+        $sql4 = <<<'SQL'
+        ALTER TABLE class_characteristics
+        ADD COLUMN motor_stop_flow_id TEXT DEFAULT '5'
+        SQL;
+
+        DB::statement($sql4);
+
+        $sql5 = <<<'SQL'
+        ALTER TABLE class_characteristics
+        ADD COLUMN pump_stop_flow_id TEXT DEFAULT '5'
+        SQL;
+
+        DB::statement($sql5);
+
+        $sql6 = <<<'SQL'
+        ALTER TABLE class_characteristics
+        ADD COLUMN name_plate_stop_flow_id TEXT DEFAULT '5'
+        SQL;
+
+        DB::statement($sql6);
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        // Schema::table('class_characteristics', function (Blueprint $table) {
+        //     //
+        // });
+    }
+};