まだAPI定義管理で消耗してるの？〜Swaggerを用いた大規模アプリ時代のAPI定義管理とコードジェネレート〜

まだAPI定義管理で消耗してるの？〜Swaggerを用いた大規模アプリ時代のAPI定義管理とコードジェネレート〜
for DroidKaigi 2018

Transcript

1. ·ͩAPIఆٛ؅ཧͰফ໣ͯ͠Δͷʁ
   SwaggerΛ༻͍ͨ
   େن໛ΞϓϦ࣌୅ͷ
   APIఆٛ؅ཧͱίʔυδΣωϨʔτ
   2018/2/8

   #DroidKaigi
   

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2. ౻ాୖຏ
   Twitter: @magie_pooh
   GitHub: @magiepooh
   גࣜձࣾFOLIO
   झຯɾಛٕ:

   ΫϥϑτϏʔϧɾ೔ຊञɾϚδοΫɾ࠵຾
   ࣗݾ঺հ
   

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3. ˞ਤද΍σʔλ౳͸͋͘·Ͱ΋αϯϓϧͰ͋Γɺকདྷͷӡ༻੒Ռ౳Λࣔࠦ͋Δ͍͸อূ͢Δ΋ͷͰ͸͋Γ·ͤΜɻ
   

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4. എܠ
   - ΞϓϦͰ࣮ݱ͍ͨ͜͠ͱ͕ෳࡶɾଟ༷Խ
   - αʔόʔͱΞϓϦΛ։ൃ͢ΔΤϯδχΞ͕
   ผΕ͍ͯΔ͜ͱ͕ଟ͍
   - ͦͷதͰɺεϐʔυΛอͬͨ։ൃ
   

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5. ίϛϡχέʔγϣϯΛԁ׈ʹ
   ϛεΛىͣ͜͞
   ਝ଎ʹ৘ใڞ༗
   

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6. ҉໧஌ͷܗࣜԽ
   - ҉໧஌ͷॻ͖ग़͠
   - ࣄྫͷڞ༗
   

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7. ҉໧஌ͷܗࣜԽ
   - ҉໧஌ͷॻ͖ग़͠ → υΩϡϝϯτԽ
   - ࣄྫͷڞ༗ → αϯϓϧσʔλ
   

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8. Έͳ͞Μɺ
   APIఆٛ؅ཧͯ͠·͔͢ʁ
   

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9. APIఆٛͷϝϦοτ
   - ೝࣝͷᴥᴪΛͳ͘͢
   - ৄࡉʹఆٛ͞Ε͍ͯΔͱɺؒҧ͍͕ى͖ʹ͍͘
   - ख໭ΓΛͳ͘͢
   ʢ˞ ϝϯς͠ଓ͚Δʣ
   

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10. APIఆٛΛ؅ཧ͠Α͏
    

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11. Ͳ͏΍ͬͯఆٛ͢Δʁ
    - Swagger
    - Protocol Buffers
    - api blueprint
    - Excel
    - ͦͷଞ
    

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12. Ͳ͏΍ͬͯఆٛ͢Δʁ
    - Swagger
    - Protocol Buffers
    - api blueprint
    - Excel
    - ͦͷଞ
    

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13. SwaggerΛ༻͍ͨ
    APIఆٛ
    

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14. - The world’s Most Popular Framework for APIs
    - ϚΠΫϩιϑτɺGoogleɺIBMɺIntuitɺ
    PayPalɺ3ScaleɺApigeeɺCapital Oneɺ
    RestletɺSmartBear্ཱ͕ͪ͛ͨOpenAPI
    Initiativ͕APIهड़ͷͨΊʹSwaggerΛ࠾༻
    Swagger
    

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15. - REST APIͷઃܭ͔ΒυΩϡϝϯτԽɺςετɺ
    σϓϩΠ·ͰΛΧόʔ
    - APIఆٛ
    - Blueprint(ϞοΫ)
    - Codegen
    Swagger
    

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16. ͜͜ʹςΩετΛೖΕ·͢ɻ
    ͻͱͭͷεϥΠυʹ಺༰Λ٧Ί͗͢ͳ͍Α͏ʹ͠·͠ΐ͏ɻ
    Կ౓΋͏Δ͍͞Α͏Ͱ͕͢ʮ̍ຕͷεϥΠυʹ̍ͭͷҙຯʯ
    ͕εϥΠυ࡞ΓͷجຊͰ͢ɻ
    Swagger Tools
    Tool Description
    Swagger Core
    Java-related libraries for creating,
    consuming, and working with Swagger
    definitions
    Swagger Editor Browser based editor for authoring Swagger
    definitions using YAML
    Swagger UI An HTML5 based UI for exploring and
    interacting with a Swagger defined API
    Swagger Codegen
    A code generation framework for building
    Client SDKs, servers, and documentation
    from Swagger Definitions
    

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17. Swagger Editor
    

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18. APIఆٛΛϨϯμϦϯά͠ͳ͕Βɺฤू͢Δ͜ͱ͕Ͱ͖Δ
    OnlineEditor
    https://swagger.io/swagger-editor/
    Swagger Editor
    

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19. View Slide

20. "1*ͷϕʔε63-
    

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21. εΩʔϚ
    

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22. "1*ͷύε
    

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23. )551ϝιου
    

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24. CPEZͷఆٛ
    1FUΦϒδΣΫτ
    

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25. Ϩεϙϯε
    

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26. EFpOJUJPOT
    

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27. View Slide

28. ඞਢ
    ϓϩύςΟ
    

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29. 4USJOHܕ
    FY
    EPHHJF
    

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30. UZQFͱGPSNBUͰܕ͕ܾ·Δ
    ˠMPOHܕ
    

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31. Swagger UI
    

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32. View Slide

33. APIΛఆٛͯ͠΋ɺ
    ࣮૷ΛϛεΔͱ͖͸
    ϛεΔΑͶʁ
    

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34. ίʔυ͸
    ػցతʹੜ੒͠Α͏
    

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35. Swagger Codegen
    

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36. Swagger Codgenͱ͸
    - SwaggerͰఆٛͨ͠ϑΝΠϧ͔Βɺίʔυ΍
    υΩϡϝϯτΛࣗಈੜ੒
    - ΫϥΠϯτ
    - Model
    - Api
    - Docs
    

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37. ActionScript, Ada, Apex, Bash, C# (.net 2.0, 3.5 or
    later), C++ (cpprest, Qt5, Tizen), Go, Groovy, Haskell
    (http-client, Servant), Java (Jersey1.x, Jersey2.x,
    OkHttp, Retrofit1.x, Retrofit2.x, Feign,
    RestTemplate, RESTEasy, Vertx, Rest-assured),
    Kotlin, Lua, Node.js (ES5, ES6, AngularJS with
    Google Closure Compiler annotations) Objective-C,
    Scala (akka, http4s, swagger-async-httpclient), Swift
    (2.x, 3.x, 4.x), Typescript (Angular2.x, Fetch, Node)
    Supported Languages
    

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38. ػցతʹੜ੒͢Δ͜ͱʹΑͬͯ
    - ޻਺࡟ݮ
    - JSONͷϚοϐϯάΦϒδΣΫτΛखॻ͖͢
    Δͷ͸ਏ͍
    - ਓҝతϛεͷհೖΛڐ͞ͳ͍
    - ςετ͢΂͖ର৅͕ݮΔ
    - υΩϡϝϯτ࡞੒ऀͷҙਤ௨Γͷ࣮૷ʹͳΔ
    - ҙਤͷဃ཭Λͳ͘͢
    

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39. swagger-codegen-cli generate \
    -i swagger.yaml \
    -l kotlin
    -i : input file
    -l : language
    ੜ੒ํ๏
    

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40. Model
    

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41. API(Kotlin)
    ,PUMJO͸ಠࣗͷ࣮૷ʹͳ͍ͬͯΔ
    

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42. API(Java:Retrofit+Rx)
    +BWB͸3Y+BWB 3FUSPpU͕αϙʔτ͞Ε͍ͯΔ
    ˠ"1*ʹؔͯ͠͸,PUMJO͸࢖͍ʹ͍͘ɾɾ
    

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43. Docs(API)
    

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44. Docs(Model)
    

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45. Swagger CodegenͰ
    ϞοΫαʔό΋࡞ΕΔ
    

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46. Swagger Editor͔Β
    

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47. ϞοΫαʔόΛίϚϯυ͔Β࡞੒
    swagger-codegen generate \
    -i petstore.yaml
    -l nodejs-server
    ͜ΕͰNode.jsͷίʔυ͕ੜ੒͞ΕΔͷͰɺ͋
    ͱ͸্ཱͪ͛Δ͚ͩ
    

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48. ϞοΫαʔόͷϝϦοτ
    - ΞϓϦͰ࢖༻͍ͯ͠ΔAPIఆٛͷόʔδϣϯͱ
    ϞοΫαʔόͷόʔδϣϯΛ߹Θ͓ͤͯ͘ͱɺ
    αʔόଆͷ։ൃ଎౓ʹؔ܎ͳ͘ΞϓϦ։ൃऀ
    ͷ։ൃεϐʔυͰରԠՄೳ
    - ৗʹ৽͍͠ϞοΫαʔόΛ࢖͏ඞཁ͸ͳ͍
    - ΞϓϦͰఆٛΛ൓өͨ͠Βɺ্ཱͪ͛ΔϞο
    ΫαʔόΛม͑Ε͹ྑ͍
    - αʔόʔΤϯδχΞʹ଴ͬͯ΋Β͏ඞཁͳ͠
    

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49. ϞοΫαʔόͷσϝϦοτ
    - ϦετͷΞΠςϜ਺͸ৗʹ̍ͭ
    

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50. ࣮ࡍͷӡ༻
    

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51. Q.FOLIOͰͲ͏΍ͬͯ
    ӡ༻͍ͯ͠Δͷʁ
    

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52. FOLIO͸ϚΠΫϩαʔϏεΞʔΩςΫνϟ
    #''
    .JDSPTFSWJDF
    .JDSPTFSWJDF
    .JDSPTFSWJDF
    .JDSPTFSWJDF
    "OESPJE
    J04
    #''͸.JDSP4FSWJDF܊ͱ
    ಠཱͯ͠ϑϩϯτدΓɻ
    #''Λ։ൃ͢Δਓͱ
    ΞϓϦΤϯδχΞͷίϛϡχέʔγϣϯɻ
    

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53. ӡ༻ํ๏
    #''
    #''୲౰͕σβΠϯΛݟͯɺ"1*ఆٛΛ࡞ͬͯ13
    "1*ఆٛ͜ΜͳͷͲ͏ʁ
    13
    "OESPJE
    J04
    

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54. ӡ༻ํ๏
    #''
    ΞϓϦଆ΋ؚΊͯϨϏϡʔ
    "1*ఆٛ͜ΜͳͷͲ͏ʁ
    Αͦ͞͏ʂ

    ͜ͷΦϒδΣΫτɺ
    ଞͷ"1*ͱڞ௨ԽͰ͖Δ͔΋ʁ
    13
    3FWJFX
    "OESPJE
    J04
    

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55. ӡ༻ํ๏
    #''
    ໰୊΍վળ͕͋Ε͹ɺ
    ΞϓϦଆ͔Β*TTVF΍13Ͱٞ࿦
    ͜Μͳײ͡ʹ͍ͨ͠ʂ
    *TTVF13
    "OESPJE
    J04
    

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56. ӡ༻ํ๏
    #''
    ໰୊΍վળ͕͋Ε͹ɺ
    ΞϓϦଆ͔Β*TTVF΍13Ͱٞ࿦
    -(5.
    ͜Μͳײ͡ʹ͍ͨ͠ʂ
    *TTVF13 3FWJFX
    "OESPJE
    J04
    

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57. ӡ༻ํ๏
    - masterʹϚʔδޙɺλάΛ੾Δ
    - ֘౰ͷλάΛsubmoduleͱͯ͠ࢀর͢Δ
    - ʢຊ౰͸͍Ζ͍Ζ͍͕ͨ͠ɺ࡯͍ͯͩ͘͠͞ʣ
    - BFF͸ϑϩϯτʹґଘͯ͠Α͍ͷͰɺΞϓϦଆͷ
    ࢖͍΍͍͢Α͏ʹఆٛ͠ɺGitHub্Ͱٞ࿦͢Δ
    

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58. Q.1ͭͷYAMLϑΝΠϧͰ؅ཧ
    ͢Δͷ͸ਏ͘ͳ͍ʁ
    

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59. ͭΒ͍
    

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60. ̍ͭͷyamlϑΝΠϧʹ͢΂ͯఆٛ͢Δͷ͸ਏ͍ͷ
    Ͱɺฤू࣌͸ϑΝΠϧ෼ׂͯ͠ఆٛ͠ɺϏϧυ࣌ʹ
    ݁߹͢Δɻ
    → multi-file-swaggerΛ༻͍Δ
    ࣮ࡍʹఆٛ͢Δํ๏
    

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61. multi-file-swagger
    

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62. multi-file-swagger
    

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63. $npm install multi-file-swagger
    $multi-file-swagger \
    -o yaml index.yaml >compiled.yaml
    https://www.npmjs.com/package/multi-file-swagger
    multi-file-swagger
    

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64. Q. APIఆٛͷ
    όϦσʔτ͸Ͳ͏ͯ͠Δʁ
    

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65. $npm install swagger-cli
    $swagger validate compiled.yml
    https://www.npmjs.com/package/swagger-cli
    pre-commitͰcompileͱvalidate͕૸ΔΑ͏ʹ͠
    ͓ͯ͘
    swagger-cli
    

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66. Q. gRPC+Protocol BuffersΛ
    ࢖͍ͬͯΔ͔Βɺ
    Swagger͸ඞཁͳ͍ʁ
    

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67. .protoϑΝΠϧ͔Β.javaϑΝΠϧΛੜ੒Մೳͳͷ
    ͰɺCodegen͸ඞཁͳ͍ɻ
    ͕ɺSwagger༻ͷJSONఆٛ΋ు͖ग़ͤΔͷͰɺ
    SwaggerUIͰυΩϡϝϯτͷڞ༗͸Մೳɻ
    →Swagger͸࢖͑ΔൣғͰ࢖͑͹ྑ͍
    Codegen͸ඞཁͳ͍͕ɺSwaggerUI͸࢖͑Δ
    

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68. Q. ͳͥFOLIO͸
    gRPC + ProtocolBuffersΛ
    ࢖Θͳ͔ͬͨͷʁ
    

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69. View Slide

70. ཧ༝͸લํ/ޙํޓ׵ੑΛอͭͨΊɻ
    proto3Ͱrequired͕ͳ͘ͳͬͨ
    message SearchRequest {
    required string query = 1;
    optional int32 page_number = 2;
    optional int32 result_per_page = 3;
    }
    syntax = "proto3";
    message SearchRequest {
    string query = 1;
    int32 page_number = 2;
    int32 result_per_page = 3;
    }
    

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71. - BFFͱ͍͏ଘࡏ͕͋ΔͨΊɺ͕ͬͪΓܕ͕͋Δํ
    ͕ϝϦοτେ͖͔ͬͨ
    - APIఆٛͷޙํޓ׵ੑ͸ͳͯ͘΋Α͍
    - swaggerͷbasePathΛv1, v2ͷΑ͏ʹରԠ
    →ࠓճ͸࢖Θͳͯ͘΋Α͍͔ͳɾɾ
    ʢݸਓతʹ͸࢖͍͍ͨʣ
    proto3Λ࢖Θͳ͔ͬͨཧ༝
    

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72. ಋೖͯ͠Α͔ͬͨ͜ͱ͸ʁ
    

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73. ಋೖͷར఺
    - BFF؍఺
    - Flowtypeͷܕ͕ੜ੒Ͱ͖ͯյΕʹ͍͘
    - BFFͷઃܭͱflowtype / @KeitaMoromizato
    - https://qiita.com/KeitaMoromizato/items/d749d472f60ba4031b69
    - iOS؍఺
    - API, ModelΫϥε·Ͱࣗಈੜ੒
    - KotlinΑΓ΋͞Βʹଟ͘ͷΫϥε͕ϓϩδΣΫτʹಋೖՄೳͳϨ
    ϕϧ
    - SwaggerͰ࢝ΊΔAPIఆٛ؅ཧͱίʔυδΣωϨʔτ/ਿ্ ༸ฏ
    - https://www.youtube.com/watch?v=agZ6T72lXzo
    

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74. Q. ΧελϚΠζ
    ͍ͨ͠Μ͚ͩͲɺ
    Ͱ͖Δʁ
    

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75. Ͱ͖·͢
    

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76. - JavaͰॻ͔ΕͨXxxClientCodegen
    - ֤ݴޠͷܕΛܾΊΔ
    - ΦϓγϣϯͷॲཧͳͲͳͲ
    - mustacheه๏Ͱهड़͞ΕͨςϯϓϨʔτ
    - ClientCodegenͰ౉͞Εͨ஋ΛϚοϐϯά
    → ClientCodegen͔ɺςϯϓϨʔτʹखΛՃ͑Δ
    Swaggerͷߏ੒
    

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77. mustacheه๏ͷجૅ
    mustache: Logic-less templates
    Hello {{name}}
    You have just won {{value}} dollars!
    {{#in_ca}}
    Well, {{taxed_value}} dollars, after taxes.
    {{/in_ca}}
    {
    "name": "Chris",
    "value": 10000,
    "taxed_value": 10000 - (10000 * 0.4),
    "in_ca": true
    }
    ม਺
    

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78. mustacheه๏ͷجૅ
    mustache: Logic-less templates
    Hello {{name}}
    You have just won {{value}} dollars!
    {{#in_ca}}
    Well, {{taxed_value}} dollars, after taxes.
    {{/in_ca}}
    {
    "name": "Chris",
    "value": 10000,
    "taxed_value": 10000 - (10000 * 0.4),
    "in_ca": true
    }
    Ϧετ͔CPPM
    

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79. mustacheه๏ͷجૅ
    mustache: Logic-less templates
    Hello {{name}}
    You have just won {{value}} dollars!
    {{#in_ca}}
    Well, {{taxed_value}} dollars, after taxes.
    {{/in_ca}}
    {
    "name": "Chris",
    "value": 10000,
    "taxed_value": 10000 - (10000 * 0.4),
    "in_ca": true
    }
    GBMTFͰ͸ͳ͍ɺ͔ͭɺ
    Ϧετ͕ۭͰ͸ͳ͍৔߹ʹ༗ޮ
    

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80. ςϯϓϨʔτʹखΛՃ͑Δํ๏
    swagger-codegen-cli generate \
    -i swagger.yaml \
    -l kotlin \
    -t {ςϯϓϨʔτͷσΟϨΫτϦ}
    

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81. ࣮ࡍʹςϯϓϨʔτ͚ͩΛ͍ͬͯ͡ɺ
    ,PUTIJʹରԠͯ͠ΈΑ͏ .PEFM͚ͩ
    
    

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82. ΰʔϧ
    package io.swagger.client.models
    import io.swagger.client.models.Category
    import io.swagger.client.models.Tag
    data class Pet (
    val name: kotlin.String,
    …
    ) {…
    

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83. ΰʔϧ
    package io.swagger.client.models
    import io.swagger.client.models.Category
    import io.swagger.client.models.Tag
    import se.ansman.kotshi.JsonSerializable
    @JsonSerializable
    data class Pet (
    val name: kotlin.String,
    …
    ) {…
    

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84. ςϯϓϨʔτϑΝΠϧΛݟ͚ͭΔ
    1. ςϯϓϨʔτϑΝΠϧΛݟ͚ͭΔ
    - kotlinͷ৔߹͸swagger-codegen/src/main/resources/
    kotlin-client഑Լ
    2. ςϯϓϨʔτϑΝΠϧΛ޷͖ͳ৔ॴʹίϐʔ
    - ͜ͷίϐʔͨ͠΋ͷΛฤू
    3. ίϐʔͨ͠ϑΝΠϧ͔Β֘౰ϑΝΠϧΛݟ͚ͭͯฤू
    - data_class.mustache
    - enum_class.mustache
    - model.mustache
    - build.gradle.mustache
    4. ੜ੒࣌ʹ -tΦϓγϣϯͰࢦఆ
    

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85. data_class.mustache
    /**
    …
    */
    @JsonSerializable
    data class {{classname}} (
    {{#requiredVars}}
    {{>data_class_req_var}}{{^-last}},
    {{/-last}}{{/requiredVars}}{{#hasRequired}}{{#hasOptional}},
    {{/hasOptional}}{{/hasRequired}}{{#optionalVars}}
    {{>data_class_opt_var}}{{^-last}},
    {{/-last}}{{/optionalVars}}
    ) …..
    

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86. enum_class.mustache
    /**
    * {{{description}}}
    * Values: {{#allowableValues}}{{#enumVars}}{{&name}}
    {{^-last}},{{/-last}}{{/enumVars}}{{/allowableValues}}
    */
    @JsonSerializable
    enum class {{classname}}(val value: {{dataType}}){
    {{#allowableValues}}{{#enumVars}}
    {{&name}}({{{value}}}){{^-last}},{{/-last}}{{#-last}};{{/-last}}
    {{/enumVars}}{{/allowableValues}}
    }
    

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87. model.mustache
    {{>licenseInfo}}
    package {{modelPackage}}
    {{#imports}}import {{import}}
    {{/imports}}
    import se.ansman.kotshi.JsonSerializable
    {{#models}}
    {{#model}}
    {{#isEnum}}{{>enum_class}}{{/isEnum}}{{^isEnum}}{{>data_class}}
    {{/isEnum}}
    {{/model}}
    {{/models}}
    

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88. build.gradle.mustache
    dependencies {
    compile "org.jetbrains.kotlin:kotlin-stdlib-
    jre8:$kotlin_version"
    compile "com.squareup.moshi:moshi-kotlin:1.5.0"
    compile "com.squareup.moshi:moshi-adapters:1.5.0"
    compile "com.squareup.okhttp3:okhttp:3.8.0"
    compile 'se.ansman.kotshi:api:0.3.0'
    kapt 'se.ansman.kotshi:compiler:0.3.0'
    testCompile "io.kotlintest:kotlintest:2.0.2"
    }
    

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89. ׬੒ʂ
    

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90. ӡ༻্ͷ஫ҙ΍Φεεϝ͋Δʁ
    

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91. Swagger Codegenͷิ଍৘ใ
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92. ॴײʢ·ͱΊʣ
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    - ৽ن։ൃͷࡍɺAPIఆٛͱϞοΫαʔό͕͋Ε͹ɺαʔ
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    - Swagger CodegenͷΧελϚΠζ΋Մೳ
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93. View Slide