init backend presensi

app/Database/Migrations/2026-02-24-100000_AddFaceExternalIdToStudentsTable.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Database\Migrations;
+
+use CodeIgniter\Database\Migration;
+
+class AddFaceExternalIdToStudentsTable extends Migration
+{
+    public function up()
+    {
+        // Add nullable face_external_id column for linking to external face-recognition ID
+        $this->forge->addColumn('students', [
+            'face_external_id' => [
+                'type'       => 'VARCHAR',
+                'constraint' => 100,
+                'null'       => true,
+                'after'      => 'dapodik_id',
+            ],
+        ]);
+
+        // Unique index so one face ID hanya milik satu siswa
+        $this->forge->addUniqueKey('face_external_id', 'students_face_external_id_unique');
+    }
+
+    public function down()
+    {
+        $this->forge->dropKey('students', 'students_face_external_id_unique');
+        $this->forge->dropColumn('students', 'face_external_id');
+    }
+}
+