Go製MVCアプリケーションのアーキテクチャを変更する

Transcript

1. Go੡MVCΞϓϦέʔγϣϯͷ
   ΞʔΩςΫνϟΛมߋ͢Δ
   2020.01.29 howtv.go - @inari111
   

   View Slide

2. • ܊ ୓࠸
   • Twitter: @inari111
   • GitHub: @inari111
   • Go / Layered Architecture / Protocol buffers
   • 2019.04~ hey (Coiney)
   • πέ෷͍
   ࣗݾ঺հ
   

   View Slide

3. View Slide

4. ి࿩൪߸Λೖྗ
   SMSૹ৴
   λοϓͯ͠ಉҙͰ
   πέ෷͍׬ྃ
   2ϲ݄Ҏ಺ʹίϯϏχ౳Ͱࢧ෷͍
   

   View Slide

5. • ࠓͷπέ෷͍ͷΞʔΩςΫνϟ
   • ࠓͷΞʔΩςΫνϟͷ໰୊఺
   • ৽͍͠ΞʔΩςΫνϟ(Ծ)
   ࠓ೔࿩͢͜ͱ
   

   View Slide

6. ϑϨʔϜϫʔΫ͸revelΛ࢖༻
   app
   ᵓᴷᴷ client
   ᵓᴷᴷ controllers
   ᵓᴷᴷ library
   ᵓᴷᴷ models
   ᵓᴷᴷ routes
   ᵓᴷᴷ services
   ᵋᴷᴷ views
   ࠓͷΞʔΩςΫνϟ
   $POUSPMMFS
   4FSWJDF
   .PEFM
   .PEFMͷؔ਺ݺͼग़͠
   $MJFOU
   4.4ૹ৴
   ֎෦"1*
   ϏδωεϩδοΫ
   ӬଓԽॲཧ
   

   View Slide

7. •ModelԼ͕ؔ਺ʹͳ͍ͬͯΔՕॴ͕ଟ͍
   •
   ؔ਺໊͕௕͘ͳͬͯ͠·͏
   •
   GetConsumerByPhoneNumber, UpdateSettlementToXXX…
   •
   ؔ਺ͳͷͰͲͷService͔ΒͰ΋ݺͼग़ͤͯ͠·͏
   • mockԽ͕εϚʔτʹͰ͖ͳ͍
   •Modelͷίʔυ͕ଟ͘ͳ͖ͬͯͨ
   •Model͕domain΍infraͷ໾ׂΛ୲͍ͬͯΔ
   •ӬଓԽͷॲཧͱυϝΠϯϩδοΫ͕෼཭Ͱ͖͍ͯͳ͍
   ໰୊఺
   

   View Slide

8. •ίʔυྔ͕૿͖͑ͯͯɺϝϯςͮ͠Β͍Օॴ͕ग़͖ͯͨ
   •υϝΠϯϩδοΫͱӬଓԽॲཧΛ෼͚Δ͜ͱͰؔ৺ࣄͷ෼཭
   Λߦ͍͍ͨ
   ͳͥΞʔΩςΫνϟΛมߋ͍ͨ͠ͷ͔
   

   View Slide

9. ৽͍͠
   ΞʔΩςΫνϟ(Ծ)
   $POUSPMMFS
   %PNBJO
   4FSWJDF
   .PEFM
   3FQPTJUPSZݺͼग़͠
   $MJFOU
   4.4ૹ৴
   ֎෦"1*
   ϏδωεϩδοΫ
   3FQPTJUPSZ*OUFSGBDF
   %#Ϟσϧ
   3FQPTJUPSZ࣮૷
   2VFSZ4FSWJDF*OUFSGBDF
   2VFSZ4FSWJDF࣮૷
   ࢀরܥϞσϧ
   υϝΠϯϞσϧ
   

   View Slide

10. • υϝΠϯϞσϧ
    • ϏδωεϩδοΫ
    • Repositoryͷinterface
    Domain
    $POUSPMMFS
    %PNBJO
    4FSWJDF
    .PEFM
    3FQPTJUPSZݺͼग़͠
    ϏδωεϩδοΫ
    3FQPTJUPSZ*OUFSGBDF
    %#Ϟσϧ
    3FQPTJUPSZ࣮૷
    2VFSZ4FSWJDF*OUFSGBDF
    2VFSZ4FSWJDF࣮૷
    ࢀরܥϞσϧ
    υϝΠϯϞσϧ
    

    View Slide

11. domain/consumer/repository.go
    

    View Slide

12. services/consumer.go
    

    View Slide

13. • DBϞσϧ
    • Repositoryͷ࣮૷
    • υϝΠϯϞσϧ 㲗 DBϞσϧ
    • Query Serviceͷ࣮૷
    Model
    $POUSPMMFS
    %PNBJO
    4FSWJDF
    .PEFM
    3FQPTJUPSZݺͼग़͠
    ϏδωεϩδοΫ
    3FQPTJUPSZ*OUFSGBDF
    %#Ϟσϧ
    3FQPTJUPSZ࣮૷
    2VFSZ4FSWJDF*OUFSGBDF
    2VFSZ4FSWJDF࣮૷
    ࢀরܥϞσϧ
    υϝΠϯϞσϧ
    

    View Slide

14. • ෳ਺ू໿ʹ·͕ͨΔσʔλΛऔಘ
    ͢ΔͨΊʹಋೖ
    • ServiceʹࢀরܥϞσϧɺ
    interfaceΛఆٛ
    • interfaceͷ࣮૷͸Modelʹஔ͘
    Query Service
    $POUSPMMFS
    %PNBJO
    4FSWJDF
    .PEFM
    3FQPTJUPSZݺͼग़͠
    ϏδωεϩδοΫ
    3FQPTJUPSZ*OUFSGBDF
    %#Ϟσϧ
    3FQPTJUPSZ࣮૷
    2VFSZ4FSWJDF*OUFSGBDF
    2VFSZ4FSWJDF࣮૷
    ࢀরܥϞσϧ
    υϝΠϯϞσϧ
    

    View Slide

15. • ৽نػೳ௥ՃΛࢭΊͣʹ͍͍ײ͡ʹϦϑΝΫλΛਐΊ͍ͯ͘ʹ͸
    • ෳ਺Repositoryʹ·͕ͨΔτϥϯβΫγϣϯ
    • ServiceͰτϥϯβΫγϣϯுΔ͔͠ͳ͍…ʁ
    • ίʔυྔ͕૿͑ͯ͘ΔͱMVCͩͱͭΒ͍…ͱࢥ͏
    ೰Έ
    

    View Slide

16. • RepositoryͷಋೖʹΑΓӬଓԽॲཧͱυϝΠϯϩδοΫ
    ͷ෼཭Λߦ͏͜ͱʹͨ͠
    • Query ServiceΛ࡞੒ͯ͠ෳ਺ू໿ʹ·͕ͨΔσʔλΛ
    औಘ͢Δ͜ͱʹͨ͠
    • DDD΍CQRSΛಋೖ͢Δ͜ͱ͕໨తͰ͸ͳ͍͕ɺ
    ΑΓ҆શͰϝϯς͠΍͍͢ίʔυΛ໨ࢦͨ݁͠Ռ
    ͜ΕΒΛऔΓೖΕ͍ͨͱࢥͬͨ
    ·ͱΊ
    

    View Slide