Add verification code manager

config/sms.php

@@ -176,4 +176,8 @@
             'app_id' => env('SMS_YUNZHIXUN_APP_ID'),
         ],
     ],
+    'verification' => [
+        'prefix' => 'sms_code_',
+        'length' => 5,
+    ],
 ];

src/VerificationCodeManager.php

@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Zing\LaravelSms;
+
+use Illuminate\Contracts\Cache\Factory;
+
+class VerificationCodeManager
+{
+    protected $cacheManager;
+
+    /**
+     * VerificationCodeManager constructor.
+     *
+     * @param $cacheManager
+     */
+    public function __construct(Factory $cacheManager)
+    {
+        $this->cacheManager = $cacheManager;
+    }
+
+    protected function getPrefixedKey($number)
+    {
+        return config('sms.verification.prefix') . $number;
+    }
+
+    public function verify($number, $code)
+    {
+        return $code === $this->cacheManager->get($this->getPrefixedKey($number));
+    }
+
+    public function issue($number)
+    {
+        $length = config('sms.verification.length');
+        $code = random_int(10 ** ($length - 1), (10 ** $length) - 1);
+        $this->cacheManager->set($this->getPrefixedKey($number), $code, 600);
+
+        return $code;
+    }
+}

tests/VerificationCodeManagerTest.php

@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Zing\LaravelSms\Tests;
+
+use Zing\LaravelSms\SmsNumber;
+use Zing\LaravelSms\VerificationCodeManager;
+
+class VerificationCodeManagerTest extends TestCase
+{
+    protected $manager;
+
+    protected function getEnvironmentSetUp($app): void
+    {
+    }
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        $this->manager = app(VerificationCodeManager::class);
+    }
+
+    public function testIssue(): void
+    {
+        $code = $this->manager->issue('18888888888');
+        self::assertSame(config('sms.verification.length'), strlen((string) $code));
+    }
+
+    public function testVerify(): void
+    {
+        $code = $this->manager->issue(new SmsNumber('18888888888'));
+        self::assertTrue($this->manager->verify(new SmsNumber('18888888888'), $code));
+    }
+}