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Laravel×DDDやってみた
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Jo Hattori
May 30, 2023
1
28
Laravel×DDDやってみた
共同主催した総勢50名以上の下記イベントでのLT登壇資料
https://web-creator-meetup-in-kansai.connpass.com/event/250410/
Jo Hattori
May 30, 2023
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Transcript
Laravel ✖︎ DDDͬͯΈͨ Jo Hattori 2022-06-25
ࣗݾհ (Twitter: @sr_jooo) • େࡕੜ·Εɺେࡕҭͪ • ߴߍଔۀޙɺߤۭػܥϝʔΧʔʹͯணஔͷ։ൃɾࢼݧ • 21ࡀͰITۀքˠSIerͰమಓγεςϜͷ։ൃˠେࡕͰCTI։ൃ •
PHP,Python,TypeScript,Laravel,Vue2,3,C,C#,Java.. • DDDྺɺΤϰΝϯεຊະಡɺDDDͰ0͔ΒઃܭʙϦϦʔεܦݧ༗Γɻ ΦχΦϯΞʔΩςΫνϟɺϔΩαΰφϧΞʔΩςΫνϟͰͷ։ൃܦݧ • झຯ όΠΫ,Ϩʔε,ొࢁ,ΞτυΞ,Ξχϝ..etc
DDD(Domain Driven Design) υϝΠϯۦಈઃܭ • DDD(υϝΠϯۦಈઃܭ) υϝΠϯΤΩεύʔτؚΊɺۀΛϞσϦϯάͦ͠ΕΒΛEntity,Value Object, Domain
Service,UsecaseͳͲΛ׆༻ͨ͠۩ମతͳυϝΠϯ(ۀࣝ)ͷ දݱɾ։ൃख๏ • ΫϦʔϯΞʔΩςΫνϟ SOLIDݪଇ(୯ҰɾΦʔϓϯΫϩʔζυɾϦείϑͷஔɾΠϯλʔϑΣʔεɾґଘ ੑٯస)Λຬͨͨ͠ઃܭࢥ • ΫϦʔϯΞʔΩςΫνϟ !== DDD(υϝΠϯۦಈઃܭ) DDDͰ։ൃΛ͢Δ্ͰΫϦʔϯΞʔΩςΫνϟͷख๏ΛऔΓೖΕΔΈ͍ͨͳ
Ͳ͏ͬͯΩϟονΞοϓͯ͠Δʁ(ೖ) • ʮݱͰཱͭγεςϜઃܭͷݪଇʯ(૿ా ږ͞Μ) • ʮυϝΠϯۦಈઃܭೖʯ(Ҹએ͞Μ) • ϩάϥεͷদԬ͞ΜͷTwitter(@little_hand_s) Q&A(GitHub) •
૿ా͞ΜͷϦϙδτϦ(https://github.com/system-sekkei/isolating- the-domain) • Paizaͱ͔ͰϞσϦϯάͯ͠ղ͍ͨΓɺVO,Entity࡞ͬͯղ
σΟϨΫτϦߏ • DomainҎԼίϯςΩετ(֓೦ ͱ͔ूతͳ)୯ҐͰ۠Δ • Repository ʹInterfaceΛ͓͘ • ClientͰ֎෦αʔϏεͷ RepositoryInterfaceΛ͓͘
Presentation • γϯάϧΞΫγϣϯController • ಠࣗϨεϙϯμʔΛ༻ͯ͠ฦ͢ • ActionʹϩδοΫॻ͔ͳ͍ • UsecaseݺͿ͚ͩͰOK
Domain Object(Value Object, Entity) • EntityίϯετϥΫλΛprivateʹͯ͠ɺඞͣϑΝΫτϦϝιουΛ௨ͯ͠ ੜ͢Δ →VOಉ࢜ΛͬͨϩδοΫͳͲ͕ੜ·ΕΔҝɺ୯७ʹnewͤ͞ͳ͍ •
ϦϙδτϦ͔Βੜ͢ΔϑΝΫτϦ͚Δ ॳظੜ࣌ͱϦϙδτϦ͔ΒฦΔ࣌ͰɺϩδοΫ͕ҧ͏͜ͱ͕ଟ͍(ࣝผ ࢠ༗ແͳͲ) • Setter༻ҙ͠ͳ͍(ྫ֎͋Γ)
EntityίϯετϥΫλΛprivateʹͯ͠ɺඞͣϑΝΫτϦϝιουΛ௨ͯ͠ ੜ͢Δ
ϦϙδτϦ͔Βੜ͢ΔϑΝΫτϦ͚Δ
Setter༻ҙ͠ͳ͍(ྫ֎͋Γ)
Domain Service • υϝΠϯΦϒδΣΫτࣗମ͕࣋ͭϩδοΫͱͯ͠ҧײ͕͋ΔɺυϝΠϯϧʔϧΛදݱ ͢Δ • Laravelจ຺ͰͷαʔϏεΫϥεͱશ͘ҧ͏ ྫ) • ॏෳνΣοΫ
• ෳ݅ʹΑͬͯআՄೳ͔Ͳ͏͔ఆ͢Δ߹ͳͲ • CRUDͱಉ࣌ʹߦΘΕΔॲཧ (ϩΪϯάɺ֎෦αʔϏεͷ௨)
None
DDDͰͬͯΈͯײ • ֶशίετߴ͍ • ॲཧΛॻ͘ϨΠϠʔ͕͖ͬΓ͍ͯ͠ΔҝɺॴΛߟ͑ͣࢮͰॻ͚Δ • ·ͩܕ͚ʹ՝͕͋ΔPHPͰɺͪΐͬͱݫ͍͜͠ͱ͋Δ(8.0Ҏ߱ ͡Όͳ͍ͱ͠ΜͲ͍) • ϞσϦϯά͕ͷָ͍͍͢͝͠
• ۀϑϩʔ͕ϢʔεέʔεͰදݱͰ͖ΔˠυΩϡϝϯτʹͳΔ
͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠