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LaravelͰ΢ΣϒΞϓϦέʔ γϣϯΛͭ͘Δͱ͖ͷϕετϓϥ ΫςΟεΛ୳Δ in 2018 Cloud Developer - Laravel #1
 nunulk

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ຊ೔ͷτϐοΫ  ࣗݾ঺հ  -BSBWFMͷಛ௕ʹ͍ͭͯ  -BSBWFMͷΞʔΩςΫνϟ֓ཁ  -BSBWFMͰ΢ΣϒΞϓϦέʔγϣϯΛͭ͘Δͱ͖ͷϕετ ϓϥΫςΟεΛ୳Δ

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ຊ೔ͷΰʔϧ  -BSBWFMͷਓؾͷཧ༝Λ஌Δ  -BSBWFMͷΞʔΩςΫνϟΛ஌Δ  -BSBWFMͰ΢ΣϒΞϓϦέʔγϣϯΛͭ͘Δͱ͖ͷΑΓ Α͍ઃܭɾ࣮૷ࢦ਑ΛΠϝʔδͰ͖ΔΑ͏ʹͳΔ

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ࣗݾ঺հ am('nunulk(͵͵Δ͘)')
 ->workAs('a freelance programmer') ->tackleComplexityOfSoftware() ->with([ 'Laravel',
 ‘Vue.js’, ]);

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DogHuggy

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SCOUTER

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Laravelͷಛ௕

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Laravelͷಛ௕

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Laravelͷಛ௕

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Laravelͷಛ௕ l5IF1)1'SBNFXPSL'PS8FC"SUJTBOTz w ΦʔϧΠϯύοέʔδ w ߴ͍ੜ࢈ੑ w ׆ൃͳίϛϡχςΟ

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Laravelͷಛ௕ w 3VCZPO3BJMT4JOBUSBʹӨڹΛड͚͍ͯΔ ‣ &MPRVFOU03.ɺΫϩʔδϟϕʔεͷϧʔςΟϯά ɺFUD w ಺෦Ͱଟ͘ͷ4ZNGPOZίϯϙʔωϯτΛར༻͠ɺ֦ு͠ ͍ͯΔ ‣ 3FRVFTU 3FTQPOTF $PNNBOE FUD w ๛෋ͳϔϧύʔΫϥε ‣ 'BDBEF $PMMFDUJPO 'MVFOU 0QUJPOBM FUD

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Laravelͷಛ௕ w 7VFKTΛࠝแ͍ͯ͠Δ ‣ -BSBWFM.JYͰϏϧυઃఆΛ؆ૉԽɺϔϧύʔؔ਺Λఏڙ w ๛෋ͳΦϑΟγϟϧύοέʔδ ‣ $BTIJFS &OWPZ 1BTTQPSU 4PDJBMJUF FUD w ૉૣ͍ϦϦʔεαΠΫϧ ‣ ͓Αͦ൒೥ʹճ ‣ -54͸೥

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LaravelͷΞʔΩςΫνϟ֓ཁ

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Router Middleware Request Kernel Controller Response Model Event Job View Resource

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Routing 
 Route::get('/', function () { return view('welcome'); }); Auth::routes(); Route::get('/home', 'HomeController@index')->name('home');

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Middleware public function handle($request, Closure $next, $guard = null) { if (Auth::guard($guard)->check()) { return redirect('/home'); } return $next($request); }

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Request public function authorize() { return true; } public function rules() { return [ 'subject' => 'required', 'priority' => ‘required|in:high,normal,low’, 'status' => ‘required|in:open,in_progress,close’, 'due_to' => ‘nullable|date', ‘assigned_to' => ‘nullable|exists:users,id’, 'description' => 'nullable|max:800', ]; }

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Controller public function create(CreateTaskRequest $request) { $task = new Task(); $task->subject = $request->input('subject'); $task->assigned_to = $request->input(‘assigned_to'); $task->priority = $request->input('priority'); $task->status = $request->input('status'); $task->due_to = $request->input('due_to'); $task->description = $request->input('description'); $task->created_by = Auth::id(); $task->save();
 return new JsonResponse($task, Response::HTTP_CREATED); }

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Event public function create(CreateTaskRequest $request) { $task = new Task();
 // (snip)
 $task->save();
 TaskCreated::dispatch($task);
 return new JsonResponse($task, Response::HTTP_CREATED); }

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EventListener public function handle(TaskCreatedEvent $event) { $assignee = $event->task->assignee; if (is_null($assignee)) { return; } $assignee->notify(new TaskCreated($event->task)); }

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LaravelͰ΢ΣϒΞϓϦέʔγϣϯ Λͭ͘Δͱ͖ͷϕετϓϥΫςΟεΛ ୳Δ

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No content

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ϕετϓϥΫςΟεͷ୳͠ํ •ϕετϓϥΫςΟε͸έʔεόΠέʔε •͕ͩɺ͋Δ͍ͯͲ͸ύλʔϯԽͰ͖Δ •ࣗ෼ʢνʔϜʣͷதͰɺج४ΛఆΊ͓ͯ͘͜ͱ͕େࣄ •ܦݧ΍஌ࣝΛ૿΍͠ɺΞοϓσʔτ͍ͯ͘͠ •ҙࣝ෇͚ͱͯ͠͸ʮϕετʯͰ͸ͳ͘ʮϕλʔʯ

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ϕετϓϥΫςΟεͷ୳͠ํ 1.Ͱ͖Δ͚ͩϑϨʔϜϫʔΫͷ࡞๏ʹ߹ΘͤΔ 2.Ͱ͖Δ͚ͩมߋ༰қੑ͕ߴ͘ͳΔΑ͏ʹ͢Δ 3.Ͱ͖Δ͚ͩτϦοΩʔʹͳΒͳ͍Α͏ʹ͢Δ

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ϕετϓϥΫςΟεͷ୳͠ํ 1.Ͱ͖Δ͚ͩϑϨʔϜϫʔΫͷ࡞๏ʹ߹ΘͤΔ ‣ ެࣜυΩϡϝϯτͷίʔυΛਅࣅΔ ‣ ϑϨʔϜϫʔΫͷઃܭࢥ૝Λཧղ͢Δ ‣ Ͱ͖Δ͚ͩϑϨʔϜϫʔΫͷৼΔ෣͍Λม͑ͳ͍

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ϕετϓϥΫςΟεͷ୳͠ํ 1.Ͱ͖Δ͚ͩϑϨʔϜϫʔΫͷ࡞๏ʹ߹ΘͤΔ 2.Ͱ͖Δ͚ͩมߋ༰қੑ͕ߴ͘ͳΔΑ͏ʹ͢Δ ‣ ਆΫϥεΛͭ͘Βͳ͍ ‣ ґଘؔ܎ΛͰ͖Δ͚ͩগͳ͘͢Δ ‣ ςετΛॻ͖΍͍͢Α͏ʹ͢Δ

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ϕετϓϥΫςΟεͷ୳͠ํ 1.Ͱ͖Δ͚ͩϑϨʔϜϫʔΫͷ࡞๏ʹ߹ΘͤΔ 2.Ͱ͖Δ͚ͩมߋ༰қੑ͕ߴ͘ͳΔΑ͏ʹ͢Δ 3.Ͱ͖Δ͚ͩτϦοΩʔʹͳΒͳ͍Α͏ʹ͢Δ ‣ Ͱ͖Δ͚ͩՄಡੑߴ͘ॻ͚ΔΑ͏ʹઃܭ͢Δ ‣ ໎ͬͨΒγϯϓϧͳํΛબ୒͢Δ ‣ τϦοΩʔͳॲཧ͸ӅṭʢہॴԽʣ͢Δ

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λεΫ؅ཧΞϓϦέʔγϣϯΛྫʹ Ұॹʹߟ͑ͯΈ·͠ΐ͏

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λεΫΛੜ੒͢Δͱ͖ͷόϦσʔγϣϯ

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Request (before) public function authorize() { return true; } public function rules() { return [ 'subject' => 'required', 'priority' => ‘required|in:high,normal,low’, 'status' => ‘required|in:open,in_progress,close’, 'due_to' => ‘nullable|date', ‘assigned_to' => ‘nullable|exists:users,id’, 'description' => 'nullable|max:800', ]; }

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Request (after) // CreateTaskRequest public function authorize() { return true; } public function rules() { return [ ‘subject' => ‘required|max:255’, 'priority' => ['required', Rule::in(Priority::values())], 'status' => ['required', Rule::in(Status::values())], 'due_to' => ‘nullable|date’, ‘assigned_to' => ‘nullable|exists:users,id’, 'description' => ‘nullable|max:800', ]; }

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Request w όϦσʔγϣϯʹ͓͍ͯɺྻڍܕͷ஋͕ଥ౰͔Ͳ͏͔͸ 3VMFJOΛ࢖ͬͯɺϞσϧ͔Βऔಘ͢ΔΑ͏ʹ͢Δ

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ΤϯςΟςΟΛੜ੒͢Δͱ͖ͷ $POUSPMMFSͱ3FRVFTUͱͷ࿈ܞ

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Controller (before) public function create(CreateTaskRequest $request) { $task = new Task(); $task->subject = $request->input('subject'); $task->assigned_to = $request->input(‘assigned_to'); $task->priority = $request->input('priority'); $task->status = $request->input('status'); $task->due_to = $request->input('due_to'); $task->description = $request->input('description'); $task->created_by = Auth::id(); $task->save();
 return new JsonResponse($task, Response::HTTP_CREATED); }

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Controller (after) public function create(CreateTaskRequest $request) { $task = $request->makeTask(); $task->save();
 return response()->json($task, Response::HTTP_CREATED); }

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Controller (after) class CreateTaskRequest extends FormRequest { public function makeTask(): Task { return new Task([
 ‘created_by' => $this->user()->id
 + $this->validated()
 ]); } }

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Controller (before) public function show($id) { $task = Task::findOrFail($id); // snip return $task; }

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Controller (after) public function show(Task $task) {
 // snip return $task; }

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Controller w ΤϯςΟςΟͷϓϩύςΟ͸ɺͰ͖Δ͚ͩ·ͱΊͯ 3FRVFTU͔Βऔಘ͠ɺมߋՕॴΛগͳ͘͢ΔΑ͏ʹ͢Δ w ϞσϧόΠϯσΟϯάΛੵۃతʹ࢖͍͖ͬͯ·͠ΐ͏

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&WFOU+PC/PUJpDBUJPO
 ͷ࢖͍෼͚ͱ໋໊

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Event/Job/Notification public function create(CreateTaskRequest $request) { $task = $request->makeTask();
 $task->save();
 TaskCreated::dispatch($task);
 return response()->json($task, Response::HTTP_CREATED); }

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EventListener (before) public function handle(TaskCreatedEvent $event) { UpdateTaskAggregates::dispatch($task);
 $assignee = $event->task->assignee; if (is_null($assignee)) { return; } $assignee->notify(new TaskCreated($event->task)); }

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EventListener (after) protected $listen = [ 'App\Events\TaskCreated' => [ 'App\Listeners\Task\UpdateTaskAggregates', 'App\Listeners\Task\SendTaskCreatedNotification', ], ];

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EventListener (after) class UpdateTaskAggregates implements ShouldQueue { public function handle(TaskCreatedEvent $event) { UpdateTaskAggregatesJob::dispatch($task);
 } }
 
 class SendTaskCreatedNotification implements ShouldQueue { public function handle(TaskCreatedEvent $event) { $assignee = $event->task->assignee; if (is_null($assignee)) { return; } $assignee->notify(new TaskCreated($event->task)); } }

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Event/Job/Notification w ॲཧ్͕தͰࣦഊ͢Δ͜ͱΛߟྀ͠ɺಉҰϦεφͰෳ਺ͷ ॲཧΛͤͣɺϦεφΛ෼͚Δ w &WFOU͸$POUSPMMFSʹରԠ͢ΔΑ͏ʹ໋໊͢Δʢݱࡏ෼ࢺ ܕͰऴΘΔΑ͏ʹʣ
 ྫʣ5BTL$SFBUF$POUSPMMFS5BTL$SFBUFE w +PC͸ৼΔ෣͍͕ࣝผ͢ΔΑ͏ʹ໋໊͢Δʢಈࢺ͔Β࢝Ί Δʣ
 ྫʣ6QEBUF5BTL"HHSFHBUFT w /PUJpDBUJPO͸&WFOUͱಉ໋໊͡

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&MPRVFOUͰΫΤϦΛ૊ΈཱͯΔ

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Model (before) 
 public function search(SearchTaskRequest $request) { $query = Task::latest(); $priority = $request->input('priority'); if ($priority) { $query->where('priority', $priority); } $dueToFrom = $request->input(‘due_to.from'); if ($dueToFrom) { $query->where('due_to', ‘>=‘, $dueToFrom); } $dueToTo = $request->input(‘due_to.to’); if ($dueToTo) { $query->where('due_to', ‘<=‘, $dueToTo); } return $query->get(); }

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Model (after) 
 class SearchTaskQueryBuilder { private $params; public function __construct(array $params) { $this->params = $params; } public function build(Builder $builder): Builder { // ͜͜ͰΫΤϦΛϏϧυ͢Δ
 } }


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Model (after) 
 // Task public function scopeSearch(
 Builder $query, SearchTaskQueryBuilder $builder) { return $builder->build($query); }
 
 // Task\SearchTaskController
 public function __invoke(SearchTaskRequest $request) { return Task::search($request->createQueryBuilder())->get(); }

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Model w υϝΠϯ಺ͰҙຯΛ࣋ͭΫΤϦͷ࣮૷͸ΫΤϦείʔϓϝ ιουʹด͡ࠐΊΔ w ΫΤϦͷߏங͕ෳࡶʹͳͬͨΒɺଞͷΫϥεʹ೚ͤΔ͜ ͱ΋Ͱ͖Δ

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ΞΫηαͱϛϡʔςʔλΛ࢖͏

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Model (before) $ php artisan tinker Psy Shell v0.9.7 (PHP 7.1.16 — cli) by Justin Hileman >>> dump($task->priority) => "normal"

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Model (after) $ php artisan tinker Psy Shell v0.9.7 (PHP 7.1.16 — cli) by Justin Hileman >>> dump($task->priority) App\Models\Task\Priority {#2878 #value: "normal" }

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Model (after) // Task /** * @param $value * @return Priority * @throws \UnexpectedValueException */ public function getPriorityAttribute(string $value): Priority { return new Priority($value); } /** * @param Priority $priority * @return void */ public function setPriorityAttribute(Priority $priority) { $this->attributes['priority'] = $priority->getValue(); }

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Model w ΞΫηαͱϛϡʔςʔλΛ࢖ͬͯϓϩύςΟΛϓϦϛςΟ ϒܕ͔ΒυϝΠϯͷܕ΁ॻ͖׵͑Δ͜ͱ͕Ͱ͖Δ w ΞΫηαΛར༻ͯ͠ɺࢉग़ϓϩύςΟΛѻ͏͜ͱ΋Ͱ͖Δ

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%*αʔϏείϯςφ

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DI (before) 
 class ExternalItsController extends Controller { private $issueTracker; public function __construct() { $this->issueTracker = new GitHub(); } public function index() { // snip
 } }


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DI (after) 
 class ExternalItsController extends Controller { private $issueTracker; public function __construct(IssueTracker $issueTracker) { $this->issueTracker = $issueTracker; } public function index() {
 $issueTracker = app(IssueTracker::class); // snip
 } }


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DI (after) class AppServiceProvider extends ServiceProvider { public function register() { $this->app->bind(IssueTracker::class, function () { return new GitHub(); }); } }

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DI (after) class AppServiceProvider extends ServiceProvider { public function register() { $this->app ->when(ExternalItsController::class) ->needs(IssueTracker::class) ->give(function () { return new GitHub(); }); } }

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ͦͷଞ

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ͦͷଞ w 1)16OJUΛ֦ுͯ͠ɺςετͷ͠΍͕͢͞Ξοϓ͍ͯ͠Δ w γϯϓϧͳ͕Β΋πϘΛԡ͑ͨ͞#MBEFςϯϓϨʔτΤϯ δϯ w "SSɺ4USɺ$PMMFDUJPOͳͲͷศརͳϔϧύʔΫϥε΍ؔ਺ ͳͲͳͲ ͝ڵຯ͋Δํ͸ௐ΂ͯΈ͍ͯͩ͘͞

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·ͱΊ

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·ͱΊ w ·ͣ͸-BSBWFMͰͳʹ͕Ͱ͖Δͷ͔Λ஌Δ w ෳ਺ͷબ୒ࢶͷத͔Βɺzϕλʔzͱ൑அͨ͠΋ͷΛબͿ w ೔ʑ஌ࣝ΍ܦݧΛ΋ͱʹΞοϓσʔτ͍ͯ͘͠