Tambah kolom approval pada tabel permohonan

- Menambahkan kolom approval_eo, approval_dd, dan approval_so beserta timestamp terkait di tabel permohonan.
- Memperluas fungsionalitas model dan controller untuk mendukung kolom approval baru.

database/migrations/2024_12_23_151733_add_approval_fields_to_permohonan_table.php

@@ -0,0 +1,43 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class AddApprovalFieldsToPermohonanTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('permohonan', function (Blueprint $table) {
+            $table->boolean('approval_eo')->default(false)->after('status');
+            $table->timestamp('approval_eo_at')->nullable()->after('approval_eo');
+
+            $table->boolean('approval_dd')->default(false)->after('approval_eo_at');
+            $table->timestamp('approval_dd_at')->nullable()->after('approval_dd');
+
+            $table->boolean('approval_so')->default(false)->after('approval_dd_at');
+            $table->timestamp('approval_so_at')->nullable()->after('approval_so');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('permohonan', function (Blueprint $table) {
+            $table->dropColumn([
+                'approval_eo', 'approval_eo_at',
+                'approval_dd', 'approval_dd_at',
+                'approval_so', 'approval_so_at'
+            ]);
+        });
+    }
+}