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Laravelを始めて DDDを実践するまで
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Kazuki Ohashi
March 08, 2018
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Laravelを始めて DDDを実践するまで
Laravelを始めてから、DDDを実践するまでの過程
Kazuki Ohashi
March 08, 2018
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Transcript
-BSBWFMΛ࢝Ίͯ %%%Λ࣮ફ͢Δ·Ͱ Laravel Meetup Tokyo Vol.10 େڮ Ұथ @kzkohashi
େڮҰथ!L[LPIBTIJ w ΠϯϑϧΤϯαʔϚʔέςΟϯά w αʔόαΠυ ϑϩϯτத৺ w -BSBWFM࢝Ίͯ̍͘Β͍ w %%%ษڧ࢝͠Ίͯϲ݄
%%%ͬͯΔ PS %%%࣮ફͯ͠Δํ
ࠓ͓͢͠Δ͜ͱ -BSBWFMͰ%%%Λ࣮ફ͢Δ·Ͱͷաఔ %%%Λ࣮ફ͢Δ͜ͱͰԿ͕มΘͬͨʁ ٯʹฉ͍ͯΈ͍ͨ
-BSBWFM࢝ΊΔ
͍͍ɻΊͪΌ͍͍ɻ w ͙͢ʹؾ࣋ͪΑ͔͚͘Δ w ཉ͍͠ػೳ͕σϑΥϧτͰ͋Δʢ֦ு͍͢͠ʂʂ w ϥΠϒϥϦ๛ w ຊޠॆ࣮
ॻ͖͍͢ɺઃܭΛ͔ͬ͠Γ͠ͱ͖͍ͨ
%%%Λษڧ࢝͠ΊΔ
͍͍ɻΊͪΌ͍͍ɻ w ݱ࣮ͷؔ৺ΛͰ͖Δ͚ͩ։ൃ্ͱͰγϯΫϩͤ͞Δ w υϝΠϯΤΩεύʔτͱΤϯδχΞͷҰॹʹ͠߹ͬͯϞ σϦϯά͍ͯ͘͠ w ڞ௨ݴޠʢϢϏΩλεݴޠʣͷൃ۷ w ͳΜͲมߋɾվળ͍ͯ͘͠ͷ
֓೦ૉΒ͍͠ʂ
Ͱɺ࣮ફํ๏ʁ
࣮ફͷෑډߴ͍ʁ w ຊಡΉ͚ͩ͡ΌΑ͘Θ͔Βͳ͍ w ࣮ફͯ͠ͳ͕Βͬͯͨ΄͏͕Αͦ͞͏ w 8FCʹ࣮ફ͢ΔͨΊͷ৭ʑͳΞʔΩςΫνϟͳͲ͕͋Δ ௐͨͱ͖ʹΑ͘࠾༻͞Ε͍ͯΔ 3FQPTJUPSZύλʔϯΛಋೖ
$POUSPMMFS 4FSWJDF 3FQPTJUPSZ &MPRVFOU3FQPTJUPSZ .PEFM ϓϨθϯςʔγϣϯ ϏδωεϩδοΫ σʔλૢ࡞ ϏδωεϩδοΫ͔Βσʔλૢ࡞ͷॲཧΛΓ͢ ʢ˞ඞͣͦ͠͏Ͱͳ͍ʣ
ͱ͋ΔαʔϏεͷྫ Ϣʔεέʔε w ϝʔΧʔΞΧϯτΛొ͢Δ w ϝʔΧʔΞΧϯτΛෳ࡞ΕΔ Ϟσϧ
interface MakerAccountRepository { public function getLoginAccountByEmail($email); public function findById($id); public
function register($name, $tel, $email, $password); } 3FQPTJUPSZ ར༻͢ΔࡍͷΠϯλʔϑΣʔε
class EloquentMakerAccountRepository implements MakerAccountRepository { /** @var \App\Models\MakerAccount */ protected
$maker_account; public function __construct(MakerAccount $maker_account) { $this->maker_account = $maker_account; } public function getLoginUserByEmail($email) { return $this->maker_account->whereEmail($email) ->with('maker') ->first(); } public function register($maker_id, …) { $data[‘…’] = $maker_id; … return $this->maker_account->create($data); } } &MPRVFOU3FQPTJUPSZ .PEFMΛ%*
class MakerAccountRegisterService { protected $maker_repo; protected $maker_account_repo; public function __construct(
MakerRepository $maker_repo, MakerAccountRepository $maker_account_repo ) { $this->maker_repo = $maker_repo; $this->maker_account_repo = $maker_account_repo; } protected function register($maker_name,…লུ) { return \DB::transaction(function () use (...লུ) { /** @var \App\Models\Maker $maker */ $maker = $this->maker_repo->register($maker_name, $address); $this->maker_account_repo->register( $maker->id, $staff_name, $tel, $email, $password ); }); } } 4FSWJDF ϦϙδτϦʔΛ௨ͯ͠ొ
Կ͔มΘͬͨʁ w ϏδωεϩδοΫͱσʔλૢ࡞ΛେମΓͤͨ w ݁ہฦ͍ͯ͠Δͷ͕&MPRVFOUͷͨΊɺ֎ଆͰૢ࡞Մೳ σʔλૢ࡞͕౷Ұ͞ΕͯΔ෩ͳͷ͚͕ͩͰ͖ͨ
େ͖ͳצҧ͍ %%%ઃܭͱ͍͏ͷΛΕͣʹ
ΤϯδχΞ૿͑ͨ ਓਓ ˞ϝΠϯ࣮ऀͷ͕Ͳ͔ͬʹ͍·͢ !BJJSP
ࠓ࣮ͦ͜ફ w Կ͔Β࢝ΊͨΒ͍͍ʁ w όϦϡʔΦϒδΣΫτ͔Β࢝ΊͨΒΓ͍͢ͱຢฉ͖ !BJJSP
όϦϡʔΦϒδΣΫτͱʁ w ϓϦϛςΟϒܕͰදݱ͍ͯͨ͠ΛΦϒδΣΫτʹ͢Δ w ࣗͷՃɾఆͳͲͷৼΔ͍Λ࣋ͭ w ΠϛϡʔλϒϧͰ͋Δ
$POUSPMMFS 4FSWJDF 3FQPTJUPSZ &MPRVFOU3FQPTJUPSZ .PEFM ෦తʹ7BMVF0CKFDUʹม υϝΠϯʁ 7BMVF0CKFDU
ͱ͋ΔαʔϏεͷྫ Ϣʔεέʔε w ϝʔΧʔΞΧϯτΛొ͢Δ w ొ͞Ε͍ͯΔϝʔϧ͕ϒϥοΫϦετͷ߹YYY͢Δ Ϟσϧ &NBJMΛ7BMVF0CKFDUʹͯ͠ΈΔ
class Email implements \JsonSerializable { protected $value; protected function __construct(string
$value) { $this->value = $value; } public function value(): string { return $this->value; } public function isBlackList(): boolean { return ($this->value === $blacklist) } public function jsonSerialize() { return $this->value; } } 7BMVF0CKFDU ৼΔ͍Λ࣋ͨͤΔ
class MakerAccount extends Model { protected $table = 'maker_accounts'; protected
$hidden = [ 'id', ]; public function toValueObject() { // Πϛϡʔλϒϧʹ͢ΔͨΊɺreplicate()ͨ݁͠ՌΛฦ٫ $replication = $this->replicate(); $replication->email = new Email($this->email); return $replication; } } .PEFM ରͷ7BMVF0CKFDUΛ٧ΊࠐΉ
class MakerAccountRegisterService { protected $maker_account_repo; public function __construct(MakerAccountRepository $maker_account_repo) {
$this->maker_account_repo = $maker_account_repo; } public function activateEmail($email) { $maker_account = $this->maker_account_repo->findByEmail($email); $maker_account = $maker_account->toValueObject(); return $maker_account->email->isBlackList(); } } 4FSWJDF 7BMVF0CKFDUͷৼΔ͍Λར༻
ײ w 7BMVF0CKFDUͷΈͩͱखܰʹ࢝ΊΒΕΔ w ৼΔ͍Λू͢Δ͜ͱͰΘ͔Γ͘͢ͳͬͨ গͣͭ͠%%%ͷԸܙ͕ड͚ΒΕ͖ͯͨɾɾʁ
৽نαʔϏεͷ։ൃ
ϑϧͰ%%%ͷ࣮ફ νϟϯεʂ IUUQTHJUIVCDPNTIJOYMBSBWFMEEETBNQMF ৽ݪ͞ΜͷΊͪΌͪ͘Όࢀߟʹͯ͠·͢
ΤϯςΟςΟͱ w ҰҙʹࣝผՄೳͳΦϒδΣΫτ w ෳͷΦϒδΣΫτৼΔ͍Λ͍࣋ͬͯΔ w ৼΔ͍͕গͳ͍߹ݕ౼͖͢
$POUSPMMFS 6TF$BTF 3FQPTJUPSZ &MPRVFOU3FQPTJUPSZ .PEFM υϝΠϯ &OUJUZΛฦ͢ 7BMVF0CKFDU &OUJUZ
ͱ͋ΔαʔϏεͷྫ Ϣʔεέʔε w ը໘͔ΒϝʔΧʔ͕ ࣗͷ ΞΧϯτҰཡӾཡ͢Δ w ϝʔΧʔͷΞΧϯτͷҰཡΛϖʔδωʔγϣϯͰฦ͢ Ϟσϧ ϞσϧΛ&OUJUZʹͯ͠ΈΔ
class MakerAccount implements \Arrayable { /** @var MakerId */ protected
$maker_id; protected $name; protected $tel; protected $email; protected $password; public function __construct(MakerId $maker_id,…লུ) { $this->maker_id = $maker_id; $this->email = $email; if ($password) { $this->password = MakerAccountPassword::of(\Hash::make($password->value())); } } public function toArray() { $array = []; $class_vars = array_keys(get_class_vars(static::class)); foreach ($class_vars as $var_name) { $array[$var_name] = $this->{$var_name}; } return $array; } } &OUJUZ ֤7BMVF0CKFDUΛ٧ΊࠐΉ
class MakerAccount extends Model implements Domainable { public function maker()
{ return $this->belongsTo(Maker::class); } /** * @return \App\Domains\Entities\MakerAccount */ public function toDomain() { return new Entities\MakerAccount( MakerId::of($this->maker_id), MakerAccountName::of($this->name), MakerAccountTel::of($this->tel), MakerAccountEmail::of($this->email) ); } } .PEFM &OUJUZʹม
class DomainServiceProvider extends ServiceProvider { … protected function collectionMacro() {
Builder::macro('toDomainCollection', function () { /** @noinspection PhpUndefinedMethodInspection */ return $this->get()->map(function (Domainable $model) { return $model->toDomain(); }); }); Collection::macro('toDomainCollection', function () { /** @noinspection PhpUndefinedMethodInspection */ return $this->map(function (Domainable $model) { return $model->toDomain(); }); }); } protected function paginateMacro() { … } } $PMMFDUJPO #VJMEFS͔Β%PNBJOͷྻΛฦ͢.BDSPΛՃ
class FetchMakerAccountList { protected $maker_account_repo; public function __construct(MakerAccountRepository $maker_account_repo) {
$this->maker_account_repo = $maker_account_repo; } protected function common(MakerAccountId $maker_account_id) { return $this->maker_account_repo->findByMakerIdAsModel($maker_id); } public function asCollection(MakerId $maker_id) { return $this->common($maker_id)->toDomainCollection(); } public function asPaginate(MakerId $maker_id) { return $this->common($maker_id)->domainPaginate(); } } 6TF$BTF ೋͭͷৼΔ͍Λ࣋ͨͤͯͨ
class MakerAccountController extends Controller { public function index(FetchMakerAccountList $usecase) {
$maker_accounts = $usecase->asPaginate(MakerId::of(auth()->maker->id())); return response()->json($maker_accounts); } } $POUSPMMFS ར༻
6TF$BTFʹෳͷৼΔ͍ͨͤͯ͠·͍ͬͯΔ 6TF$BTFͷमਖ਼
;Ή;Ή 6TF$BTFͷमਖ਼
class FetchMakerAccountPaginate { protected $maker_account_repo; public function __construct(MakerAccountRepository $maker_account_repo) {
$this->maker_account_repo = $maker_account_repo; } public function __invoke(MakerAccountId $maker_account_id) { return $this->maker_account_repo ->findByMakerIdAsModel($maker_id) ->domainPaginate(); } } 6TF$BTFʢमਖ਼ޙʣ ҰͭͷৼΔ͍ͷΈʹ੍ݶ
class MakerAccountController extends Controller { public function index(FetchMakerAccountList $usecase) {
$maker_accounts = $usecase(MakerId::of(auth()->maker->id())); return response()->json($maker_accounts); } } $POUSPMMFS ར༻
ࠓ͓ͨ͜͠ͱ -BSBWFMͰ%%%Λ࣮ફ͢Δ·Ͱͷաఔ %%%Λ࣮ફ͢Δ͜ͱͰԿ͕มΘͬͨʁ ҰͰແཧͰɺগͣͭ͠ͳΒ࣮ફͰ͖Δ ༷ͷѲ͕͘͢͠ͳͬͨ ϏδωεαΠυͱͷೝ͕ࣝͱΓ͘͢ͳͬͨ ઃܭ ࣮ ྑ͍ϧʔϓ
͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠
ฉ͖͍ͨ͜ͱ w &OUJUZ͕&OUJUZΛ࣋ͭ߹ͷύϑΥʔϚϯεͷ w όϦσʔγϣϯͲ͜Ͱ࣋ͨͤΔ͖͔ w ࣮ࡍͬͯΈͯɺԿ͕ྑ͔ͬͨͷ͔