Laravelのエラーハンドリングをカスタマイズする

1. !LB[VIFJ !LB[VIFJ@@ -BSBWFMͷΤϥʔϋϯυϦϯάΛ ΧελϚΠζ͢Δ ʲγϡʔϚΠʳ5FDI
   -FBE
   &OHJOFFS͔Β࠷৽ٕज़Λֶ΂ʂ-BSBWFMฤ
   
2. ࣗݾ঺հ ߥҪ࿨ฏ
   !LB[VIFJ
   גࣜձࣾ."Ϋϥ΢υ
   $50
   ീஸງελʔτΞοϓ
3. ς Ϋ ϊ ϩ δ ʔ ͷ ྗ Ͱ M & A ʹ ྲྀ ௨ ֵ ໋ Λ
4. ."ͷϦΫφϏͷΑ͏ͳαʔϏε ങ͍खاۀ͕ങऩχʔζΛܝࡌ͠ɺ
 ചΓख͕ͦΕʹରͯ͠ਃ͠ࠐΉͱ͍͏ܗͷ
 ৽͍͠.ˍ"ϚονϯάϓϥοτϑΥʔϜ
5. ࢖͍ͬͯΔٕज़ɾπʔϧ GSPOUFOE CBDLFOE NJEEMFXBSF JOGSB UPPMT
7. ໨࣍ w 1)1ͷ&YDFQUJPO
   w -BSBWFMͷϦΫΤετ͔ΒϨεϙϯε·ͰͷྲྀΕ
   w ΤϥʔϋϯυϦϯάͷྲྀΕ
   w ΧελϚΠζྫ
   w ·ͱΊ
8. 1)1ͷ&YDFQUJPO
9. 1)1ͷ&YDFQUJPO 1)1ʹ͸&YDFQUJPOͱ&SSPSͷछྨͷྫ֎͕͋Γ·͢ɻ
   ྆ํͱ΋͕5ISPXBCMFΛܧঝ͍ͯ͠·͢ɻ 5ISPXBCMF &SSPS &YDFQUJPO 5ZQF&SSPS 3VOUJNF&YDFQUJPO &SSPS&YDFQUJPO "SJUINFUJD&SSPS
10. 1)1ͷ&YDFQUJPO &SSPS&YDFQUJPOͱ͍͏෼͔ΓͮΒ͍΋ͷ΋͋Γ·͕͢ɺ
    ͜Ε͸&YDFQUJPOͰ͢ɻޙͰग़͖ͯ·͢ɻ 5ISPXBCMF &SSPS &YDFQUJPO 5ZQF&SSPS 3VOUJNF&YDFQUJPO &SSPS&YDFQUJPO "SJUINFUJD&SSPS
11. 1)1ͷ&YDFQUJPO 1)1ͷݴޠϨϕϧͰͷΤϥʔ͸େ൒͕&SSPSΛܧঝ͍ͯ͠· ͢ɻΑͬͯUSZ
    DBUDIͰ&YDFQUJPOͱͯ͠DBUDI͠Α͏ͱͯ͠ ΋ΩϟονͰ͖·ͤΜɻ 5ISPXBCMF &SSPS &YDFQUJPO 5ZQF&SSPS 3VOUJNF&YDFQUJPO &SSPS&YDFQUJPO "SJUINFUJD&SSPS
12. 1)1ͷ&YDFQUJPO &SSPS͸&YDFQUJPOͰ͸ͳ͍ͷͰ5ISPXBCMFͱͯ͠$BUDI <?php /** * Handle an incoming HTTP request. * * @param \Illuminate\Http\Request $request * @return \Illuminate\Http\Response */ public function handle($request) { try { throw new SomeException(); } catch (Exception $e) { // ExceptionͷΈCatch } catch (Throwable $e) { // ExceptionͱErrorͷ྆ํΛCatch } }
13. -BSBWFMͷ
    ΤϥʔϋϯυϦϯάͷྲྀΕ
14. ΤϥʔϋϯυϦϯά·ͰͷྲྀΕ ͥͻ͓खݩͷ1)14UPSN͔Կ͔Ͱ-BSBWFMͷ1SPKFDUΛ։͍ ͯɺϑΝΠϧΛݟͳ͕Βฉ͍ͯΈ͍ͯͩ͘͞ɻ
15. ΤϥʔϋϯυϦϯά·ͰͷྲྀΕ QVCMJDJOEFYQIQͰ,FSOFMΛੜ੒͠,FSOFMIBOEMF Λ࣮ߦ <?php /** * Laravel - A PHP Framework For Web Artisans * * @package Laravel * @author Taylor Otwell <taylor@laravel.com> */ define('LARAVEL_START', microtime(true)); /** ུ **/ $kernel = $app->make(Illuminate\Contracts\Http\Kernel::class); $response = $kernel->handle( $request = Illuminate\Http\Request::capture() ); $response->send(); $kernel->terminate($request, $response);
16. ΤϥʔϋϯυϦϯά·ͰͷྲྀΕ *MMVNJOBUFa'PVOEBUJPOa)UUQa,FSOFMIBOEMF಺Ͱ
    &YDFQUJPOɺ5ISPXBCMFΛर͏ <?php /** লུ **/ public function handle($request) { try { $request->enableHttpMethodParameterOverride(); $response = $this->sendRequestThroughRouter($request); } catch (Exception $e) { $this->reportException($e); $response = $this->renderException($request, $e); } catch (Throwable $e) { $this->reportException($e = new FatalThrowableError($e)); $response = $this->renderException($request, $e); } $this->app['events']->dispatch( new RequestHandled($request, $response) ); return $response; }
17. ΤϥʔϋϯυϦϯά·ͰͷྲྀΕ &SSPS΋'BUBM5ISPXBCMF&SSPSͱ͍͏໊લͷ
    &SSPS&YDFQUJPOʹม׵͍ͯ͠Δ <?php /** লུ **/ public function handle($request) { try { $request->enableHttpMethodParameterOverride(); $response = $this->sendRequestThroughRouter($request); } catch (Exception $e) { $this->reportException($e); $response = $this->renderException($request, $e); } catch (Throwable $e) { $this->reportException($e = new FatalThrowableError($e)); $response = $this->renderException($request, $e); } $this->app['events']->dispatch( new RequestHandled($request, $response) ); return $response; }
18. ΤϥʔϋϯυϦϯά·ͰͷྲྀΕ ͭ·Γɺ-BSBWFMͷ࣮ߦ࣌ʹൃੜͨ͠&SSPS͸࠷ऴతʹ
    શͯ&YDFQUJPOʹม׵͞Ε͔ͯΒॲཧ͞ΕΔ <?php /** লུ **/ public function handle($request) { try { $request->enableHttpMethodParameterOverride(); $response = $this->sendRequestThroughRouter($request); } catch (Exception $e) { $this->reportException($e); $response = $this->renderException($request, $e); } catch (Throwable $e) { $this->reportException($e = new FatalThrowableError($e)); $response = $this->renderException($request, $e); } $this->app['events']->dispatch( new RequestHandled($request, $response) ); return $response; }
19. ΤϥʔϋϯυϦϯά·ͰͷྲྀΕ <?php /** লུ **/ /** * Report the exception to the exception handler. * * @param \Exception $e * @return void */ protected function reportException(Exception $e) { $this->app[ExceptionHandler::class]->report($e); } /** * Render the exception to a response. * * @param \Illuminate\Http\Request $request * @param \Exception $e * @return \Symfony\Component\HttpFoundation\Response */ protected function renderException($request, Exception $e) { return $this->app[ExceptionHandler::class]->render($request, $e); } ΤϥʔϋϯυϦϯά͸&YDFQUJPO)BOEMFSDMBTTͷ࣮૷͕ߦ͏
20. ΤϥʔϋϯυϦϯά·ͰͷྲྀΕ <?php /** লུ **/ $app->singleton( Illuminate\Contracts\Debug\ExceptionHandler::class, App\Exceptions\Handler::class ); return $app; &YDFQUJPO)BOEMFSDMBTTͷ࣮૷͸
    CPPUTUSBQBQQQIQͰࢦఆ͞Ε͍ͯΔ
21. ΤϥʔϋϯυϦϯάͷྲྀΕ
22. ΤϥʔϋϯυϦϯάͷྲྀΕ ΤϥʔϋϯυϦϯάͷྲྀΕ͸େ͖͘
    ɾΤϥʔϨϙʔτ
    ɾΤϥʔදࣔ
    ͷͭͷϑΣʔζʹ෼͔Ε͍ͯ·͢ɻ͜ΕΒ͸
    *MMVNJOBUFa'PVOEBUJPOa&YDFQUJPOTa)BOEMFSQIQʹ࣮ ૷͞Ε͍ͯ·͢ɻ
23. ΤϥʔϋϯυϦϯάͷྲྀΕ )BOEMFSSFQPSU ԿΛϨϙʔτ͢Δ͔ܾΊΔ Ϩϙʔτ͢Δ &YDFQUJPOΛ४උ͢Δ &YDFQUJPOΛදࣔ͢Δ )BOEMFSSFOEFS
24. ΤϥʔϋϯυϦϯάͷྲྀΕ )BOEMFSSFQPSU )BOEMFSTIPVMEOU3FQPSU MPHHFSFSSPS )BOEMFSQSFQBSF&YDFQUJPO )BOEMFSQSFQBSF3FTQPOTF )BOEMFSSFOEFS
25. ΤϥʔϋϯυϦϯάͷྲྀΕ <?php /** লུ **/ protected function prepareResponse($request, Exception $e) { if (! $this->isHttpException($e) && config('app.debug')) { return $this->toIlluminateResponse($this- >convertExceptionToResponse($e), $e); } if (! $this->isHttpException($e)) { $e = new HttpException(500, $e->getMessage()); } return $this->toIlluminateResponse( $this->renderHttpException($e), $e ); } σϑΥϧτͷQSFQBSF3FTQPOTFʹ͸&YDFQUJPOΛड͚औͬͯ
    ඳը͢Δ࠷௿ݶͷॲཧ͕ॻ͍ͯ͋Δ
26. ΤϥʔϋϯυϦϯάͷྲྀΕ 4ZNGPOZa$PNQPOFOUa)UUQ,FSOFMa&YDFQUJPOa)UUQ&YDFQUJPOΛܧ ঝ͍ͯ͠ΔΫϥε͸શͯJT)UUQ&YDFQUJPOʹ֘౰͠ɺ-BSBWFM͕͍͍ײ ͡ʹม׵ͯ͘͠Ε·͢ɻ
    ྫ
    /PU'PVOE)UUQ&YDFQUJPO
    #BE3FRVFTU)UUQ&YDFQUJPO౳
27. ΤϥʔϋϯυϦϯάͷྲྀΕ ͜ΕΒͷॲཧ͸΋ͱ΋ͱ *MMVNJOBUFa'PVOEBUJPOa&YDFQUJPOTa)BOEMFSQIQʹ࣮૷͞ Ε͍ͯ·͕͢ɺ"QQa&YDFQUJPOTa)BOEMFSQIQ͕ܧঝؔ܎ ʹ͋ΔͷͰ؆୯ʹ্ॻ͖͢Δ͜ͱ͕ՄೳͰ͢ɻ
28. ΧελϚΠζྫ
29. ΧελϚΠζྫ w ಛఆͷ&YDFQUJPOΛϩάʹग़͞ͳ͘͢Δ
    w ಠࣗͷ&YDFQUJPOͰطଘͷΤϥʔදࣔΛ͢Δ
    w ΤϥʔදࣔͷWJFXΛΧελϚΠζ͢Δ
30. ಛఆͷ&YDFQUJPOΛϩάʹग़͞ͳ͘͢Δ )BOEMFSSFQPSU )BOEMFSTIPVMEOU3FQPSU MPHHFSFSSPS )BOEMFSQSFQBSF&YDFQUJPO )BOEMFSQSFQBSF3FTQPOTF )BOEMFSSFOEFS
31. ಛఆͷ&YDFQUJPOΛϩάʹग़͞ͳ͘͢Δ EPOU3FQPSUΛࢦఆͯ͠ϩάʹग़͞ͳ͍ <?php namespace Illuminate\Foundation\Exceptions; /** ུ **/ class Handler extends ExceptionHandler {
 
 /** ུ **/ protected function shouldntReport(Exception $e) { $dontReport = array_merge($this->dontReport, $this->internalDontReport); return ! is_null(Arr::first($dontReport, function ($type) use ($e) { return $e instanceof $type; })); }
32. ಛఆͷ&YDFQUJPOΛϩάʹग़͞ͳ͘͢Δ EPOU3FQPSUΛࢦఆͯ͠ϩάʹग़͞ͳ͍ <?php namespace App\Exceptions; /** ུ **/ class Handler extends ExceptionHandler { /** * A list of the exception types that are not reported. * * @var array */ protected $dontReport = [ PreconditionException::class, NotFoundException::class, ];
33. ಠࣗͷ&YDFQUJPOͰطଘͷΤϥʔදࣔΛ͢Δ )BOEMFSSFQPSU )BOEMFSTIPVMEOU3FQPSU MPHHFSFSSPS )BOEMFSQSFQBSF&YDFQUJPO )BOEMFSQSFQBSF3FTQPOTF )BOEMFSSFOEFS
34. ಠࣗͷ&YDFQUJPOͰطଘͷΤϥʔදࣔΛ͢Δ )UUQ&YDFQUJPOΛܧঝͨ͠Ϋϥεʹม׵͢Δ <?php namespace App\Exceptions; /** ུ **/ class Handler extends ExceptionHandler { protected function prepareException(Exception $e) { $e = parent::prepareException($e); if ($e instanceof NotFoundException) { $e = new NotFoundHttpException($e->getMessage(), $e); } if ($e instanceof PreconditionException) { $e = new AccessDeniedHttpException($e->getMessage(), $e); } return $e; }
35. ΤϥʔදࣔͷWJFXΛΧελϚΠζ͢Δ )BOEMFSSFQPSU )BOEMFSTIPVMEOU3FQPSU MPHHFSFSSPS )BOEMFSQSFQBSF&YDFQUJPO )BOEMFSQSFQBSF3FTQPOTF )BOEMFSSFOEFS
36. ΤϥʔදࣔͷWJFXΛΧελϚΠζ͢Δ <?php namespace App\Exceptions; /** ུ **/ class Handler extends ExceptionHandler { protected function prepareResponse($request, Exception $e) { return $this->toIlluminateResponse( $this->customRenderHttpException($request, $e), $e ); } private function customRenderHttpException(Request $request, HttpException $e) { $status = $e->getStatusCode(); $paths = collect(config('view.paths')); view()->replaceNamespace('errors', $paths->map(function ($path) use ($request) { if ($request->is('admin/*')) { return "{$path}/admin/errors"; } return "{$path}/service/errors"; })->push(__DIR__ . '/views')->all());
 
 if (view()->exists($view = "errors::{$status}")) { return response()->view($view, ['exception' => $e], $status, $e->getHeaders()); } return $this->convertExceptionToResponse($e); }
37. ·ͱΊ
38. ·ͱΊ -BSBWFMͷΤϥʔϋϯυϦϯά͸ͭͷϑΣʔζʹ෼͔Ε͓ͯ ΓɺͦΕͧΕ΋ܧঝՄೳͳؔ਺Ͱ࣮૷͞Ε͍ͯΔͨΊɺBQQ &YDFQUJPO)BOEMFSQIQΛॻ͖׵͑Δ͚ͩͰɺ༷ʑͳ৚݅ʹ ߹ΘͤͯΧελϚΠζ͢Δ͜ͱ͕ՄೳͰ͢ʂ