add open position system

app/Models/JobPositionModel.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Models;
+
+use CodeIgniter\Model;
+
+class JobPositionModel extends Model
+{
+    protected $table = 'job_positions';
+    protected $primaryKey = 'position_id';
+    protected $useAutoIncrement = false;
+    protected $returnType = 'array';
+    protected $allowedFields = [
+        'position_id',
+        'template_id',
+        'title',
+        'description',
+        'department',
+        'location',
+        'employment_type',
+        'requirements',
+        'status',
+        'posted_by',
+        'created_at',
+        'updated_at',
+    ];
+    protected $useTimestamps = true;
+    protected $createdField = 'created_at';
+    protected $updatedField = 'updated_at';
+
+    public function openPositions(): array
+    {
+        return $this->where('status', 'open')->orderBy('created_at', 'DESC')->findAll();
+    }
+}