reconstruction of the project

app/Models/PrintRequest.php

@@ -2,11 +2,15 @@
 
 namespace App\Models;
 
-use Illuminate\Database\Eloquent\Model;
+use App\Models\BaseModel;
 
-class PrintRequest extends Model
+class PrintRequest extends BaseModel
 {
     protected $table = 'print_requests';
+
+    // ✅ CI: useTimestamps = true (created_at/updated_at)
+    public $timestamps = true;
+
     protected $fillable = [
         'teacher_id',
         'admin_id',
@@ -20,5 +24,28 @@ class PrintRequest extends Model
         'created_at',
         'updated_at',
     ];
-    public $timestamps = true;
+
+    protected $casts = [
+        'teacher_id'    => 'integer',
+        'admin_id'      => 'integer',
+        'class_id'      => 'integer',
+        'num_copies'    => 'integer',
+        'required_by'   => 'datetime', // if stored as DATETIME
+    ];
+
+    /* Optional relationships */
+    public function teacher()
+    {
+        return $this->belongsTo(User::class, 'teacher_id');
+    }
+
+    public function admin()
+    {
+        return $this->belongsTo(User::class, 'admin_id');
+    }
+
+    public function schoolClass()
+    {
+        return $this->belongsTo(SchoolClass::class, 'class_id');
+    }
 }