Init

src/Auth/Services/OtpService.php

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+<?php
+
+namespace Modules\Core\Auth\Services;
+
+use Illuminate\Support\Facades\Mail;
+use Modules\Core\Auth\Mail\OtpMail;
+use Modules\Core\Auth\Models\Staff;
+
+class OtpService
+{
+    private const EXPIRY_MINUTES = 10;
+    private const CODE_LENGTH = 6;
+
+    public function generateAndSend(string $email): bool
+    {
+        $staff = Staff::where('email', $email)->first();
+
+        if (! $staff) {
+            return false;
+        }
+
+        $code = str_pad((string) random_int(0, 999999), self::CODE_LENGTH, '0', STR_PAD_LEFT);
+
+        $staff->otp_code = $code;
+        $staff->otp_expires_at = now()->addMinutes(self::EXPIRY_MINUTES);
+        $staff->save();
+
+        Mail::to($staff->email)->send(new OtpMail($staff->first_name, $code));
+
+        return true;
+    }
+
+    public function validate(string $email, string $code): ?Staff
+    {
+        $staff = Staff::where('email', $email)->first();
+
+        if (! $staff) {
+            return null;
+        }
+
+        if (! $staff->otp_expires_at || $staff->otp_code != $code || now()->isAfter($staff->otp_expires_at)) {
+            return null;
+        }
+
+        $staff->otp_code = null;
+        $staff->otp_expires_at = null;
+        $staff->save();
+
+        return $staff;
+    }
+}