♻️ Rework BuiltInInitializer and Cleanup

Author: gturpin-dev

packages/auth/src/OAuth/BuiltInOAuthProvider.php

@@ -4,6 +4,8 @@
 
 namespace Tempest\Auth\OAuth;
 
+use Tempest\Auth\OAuth\Providers\GithubProvider;
+use Tempest\Auth\OAuth\Providers\GoogleProvider;
 use Tempest\Support\IsEnumHelper;
 
 enum BuiltInOAuthProvider: string
@@ -12,4 +14,24 @@ enum BuiltInOAuthProvider: string
 
     case GITHUB = 'github';
     case GOOGLE = 'google';
+
+    /**
+     * @return class-string<OAuthProvider>
+     */
+    public function providerClass(): string
+    {
+        return match ($this) {
+            self::GITHUB => GithubProvider::class,
+            self::GOOGLE => GoogleProvider::class,
+        };
+    }
+
+    public static function fromProviderClass(string $providerClass): ?self
+    {
+        return match ($providerClass) {
+            GithubProvider::class => self::GITHUB,
+            GoogleProvider::class => self::GOOGLE,
+            default => null,
+        };
+    }
 }

packages/auth/src/OAuth/Initializers/BuiltInOAuth2ProviderInitializer.php

@@ -0,0 +1,56 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tempest\Auth\OAuth\Initializers;
+
+use Tempest\Auth\OAuth\BuiltInOAuthProvider;
+use Tempest\Auth\OAuth\Exceptions\OAuthException;
+use Tempest\Auth\OAuth\OAuthProvider;
+use Tempest\Auth\OAuth\Providers\GithubProvider;
+use Tempest\Auth\OAuth\Providers\GoogleProvider;
+use Tempest\Container\Container;
+use Tempest\Container\DynamicInitializer;
+use Tempest\Http\Session\Session;
+use Tempest\Reflection\ClassReflector;
+use TypeError;
+use UnitEnum;
+use function \Tempest\env;
+
+final class BuiltInOAuthProviderInitializer implements DynamicInitializer
+{
+    public function canInitialize(ClassReflector $class, UnitEnum|string|null $tag): bool
+    {
+        return ($class->implements(OAuthProvider::class) || $class->is(OAuthProvider::class)) && $tag === 'from_env_variables';
+    }
+
+    public function initialize(ClassReflector $class, UnitEnum|string|null $tag, Container $container): OAuthProvider
+    {
+        try {
+            $providerType = BuiltInOAuthProvider::fromProviderClass($class->getName()) ?? throw new OAuthException(sprintf('No built-in OAuth2 provider found for class: "%s"', $class->getName()));
+
+            return match ($providerType) {
+                BuiltInOAuthProvider::GOOGLE => new GoogleProvider(
+                        session: $container->get(Session::class),
+                    )->configure(
+                        clientId: env('GOOGLE_CLIENT_ID'),
+                        clientSecret: env('GOOGLE_CLIENT_SECRET'),
+                        redirectUri: env('GOOGLE_REDIRECT_URI')
+                    ),
+                BuiltInOAuthProvider::GITHUB => new GithubProvider(
+                        session: $container->get(Session::class),
+                    )->configure(
+                        clientId: env('GITHUB_CLIENT_ID'),
+                        clientSecret: env('GITHUB_CLIENT_SECRET'),
+                        redirectUri: env('GITHUB_REDIRECT_URI')
+                    ),
+                default => throw new OAuthException(sprintf('Cannot initialize "%s" built-in OAuth2 provider', $providerType->name))
+            };
+        } catch (TypeError $exception) {
+            throw new OAuthException(
+                sprintf('Failed to initialize OAuth2 provider for "%s". Ensure that the environment variables are set correctly.', $class->getName()),
+                previous: $exception
+            );
+        }
+    }
+}

packages/auth/src/OAuth/Initializers/BuiltInOAuthProviderInitializer.php

@@ -2,17 +2,15 @@
 
 declare(strict_types=1);
 
-namespace Tempest\Auth\OAuth\League;
+namespace Tempest\Auth\OAuth;
 
 use GuzzleHttp\Exception\GuzzleException;
 use League\OAuth2\Client\Provider\Exception\IdentityProviderException;
 use League\OAuth2\Client\Provider\GenericProvider;
 use Tempest\Auth\OAuth\DataObjects\AccessToken;
 use Tempest\Auth\OAuth\DataObjects\OAuthUserData;
 use Tempest\Auth\OAuth\Exceptions\OAuthException;
-use Tempest\Container\Inject;
 use Tempest\Http\Session\Session;
-use function Tempest\map;
 use function Tempest\Support\str;
 
 trait IsOauthProvider