Railsの設計 〜コントローラの メタボを防げ〜 / rails-controller-design

2020-01-30 Gotanda.rb #41のLT資料です！
『Railsの設計 〜コントローラの メタボを防げ〜』

https://gotanda-rb.connpass.com/event/162164/

Transcript

1. 3BJMTͷઃܭ
   ʙίϯτϩʔϥͷ
   ϝλϘΛ๷͛ʙ גࣜձࣾϚπϦΧ
   /PUJBࣄۀ੹೚ऀ݉4FOTFTϓϩμΫτϚωʔδϟʔ
   "ZVNV
   4VNJEB
2. ࣗݾ঺հ
3. גࣜձࣾ
   ϚπϦΧ 4FOTFT 4'"$3.
   /PUJB &NBJM
   5SBDLJOH
   3BJMT
   PS
   3FBDU
   ΤϯδχΞ
   ઈࢍืूதͰ͢ʂ
4. w େֶߦ͖ͳ͕Β*5ϕϯνϟʔاۀͰ໿೥ؒ༗ঈΠϯλʔϯ
   w 1)1
   .Z42-
   $BLF1)1 Y
   8PSEQSFTT
   $
   "41 /&5
   w ౦ࣳ৘ใγεςϜגࣜձࣾͰ೥ؒϔϧεέΞࣄۀʹैࣄ
   w 7#/&5
   $
   0SBDMF
   %BUBCBTF
   w ̍ਓͰىۀ͠Α͏ͱࢼΈΔ͕ࣦഊ
   w 3VCZ
   PO
   3BJMT
   'VFM1)1
   .Z42-
   "84
   "OTJCMF
   w גࣜձࣾϚπϦΧʹΤϯδχΞೋਓ໨ͷ૑ۀϝϯόʔͱͯ͠+PJO
   w /PUJBࣄۀ੹೚ऀ݉4FOTFTϓϩμΫτϚωʔδϟʔ
   w 3VCZ
   PO
   3BJMT
   "OHVMBS+4
   .Z42-
   "84 ܦྺ
5. ίϯτϩʔϥͷϝλϘ Λ๷͛
6. w 41"ߏ੒ͷΞϓϦέʔγϣϯͷઃܭΛ૝ఆͯ͠࡞ΒΕͨ಺༰
   w 3BJMT͸"1*ͱͯ͠ར༻͢Δ૝ఆ લఏ
7. w ݻ༗ͷϢʔεέʔεΛຬͨͦ͏ͱ͢Δઃܭࢥ૝
   w ͭͷίϯτϩʔϥʹϝιουΛੜ΍͠·͘Δ
   w ͭͷϝιου಺ͰΤϯυϙΠϯτΛ෼͚ͨ΄͏͕ྑ͍Α͏ͳ ॲཧͷ෼ذ͕ଟ਺ ίϯτϩʔϥͷϝλϘͷݪҼ܊
8. ରࡦ͸3&45GVM
   "1*ʹ ͋Δ
9. 3&45GVM
   "1*ʹԊͬͯ஧࣮ʹ։ൃΛͰ͖ͯΔʁ✋
10. w ΞυϨεՄೳੑ "EESFTTBCJMJUZ
    w ఏڙ͢Δ৘ใ͕63*Λ௨ͯ͠දݱͰ͖Δ͜ͱɻશͯͷ৘ใ͸63*Ͱදݱ͞ΕΔҰҙͳΞυϨεΛ࣋ͬ ͍ͯΔ͜ͱɻ
    w εςʔτϨεੑ 4UBUFMFTT
    w )551Λϕʔεʹͨ͠εςʔτϨεͳΫϥΠΞϯταʔόϓϩτίϧͰ͋Δ͜ͱɻηογϣϯ౳ͷ ঢ়ଶ؅ཧ͸ͤͣɺ΍ΓऔΓ͞ΕΔ৘ใ͸ͦΕࣗମͰ׬݁ͯ͠ղऍͰ͖Δ͜ͱɻ
    w ઀ଓੑ $POOFDUBCJMJUZ
    w ৘ใͷ಺෦ʹɺผͷ৘ใ΍ ͦͷ৘ใͷผͷ ঢ়ଶ΁ͷϦϯΫΛؚΊΔ͜ͱ͕Ͱ͖Δ͜ͱɻ
    w ౷ҰΠϯλʔϑΣʔε 6OJGPSN
    *OUFSGBDF
    w ৘ใͷૢ࡞ औಘɺ࡞੒ɺߋ৽ɺ࡟আ ͸શͯ)551ϝιου (&5ɺ1045ɺ165ɺ%&-&5& Λར༻͢ Δ͜ͱɻ
    ˞ࢀߟ
    IUUQTRJJUBDPN/BHBPLB,FOJDIJJUFNTDFGDFEGCG 3&45ͬͯͳΜ͚ͩͬ
11. w 3&45ͷݪଇʹଇͬͯߏங͞Εͨ8FCγεςϜͷ)551Ͱͷݺ ͼग़͠ΠϯλʔϑΣʔεͷ͜ͱ 3&45GVM
    "1*ͬͯͳΜ͚ͩͬ
12. ͳͥ3&45GVM
    "1*͕ର ࡦʹͳΔͷ͔
13. w ;BMBOEPʢβϥϯυΡʣ͕ग़͍ͯ͠Δ"1*ΨΠυϥΠϯʹҎԼͷΑ͏ͳݴ ༿͕͋Δ
    w l3&45GVM
    "1*͸ɺݻ༗ͷϢʔεέʔε͔Β͸੾Γ཭͞ΕɺΫϥΠΞϯ ταʔόΛૄ݁߹ʹ͢Δ܏޲ʹ͋Γ·͢z
    w IUUQTSFTUGVMBQJHVJEFMJOFTKBOFUMJGZDPNBQJEFTJHOQSJODJQMFT
    w 3&45Ͱߏ੒͞Εͨ0QFO"1*Ͱ͸ݻ༗ͷϢʔεέʔεʹԊͬͨ"1*Λग़͠ ͍ͯΔͱ͜͸ݟͨ͜ͱ͕ແ͍
    w 3&45GVM
    "1*͸ݻ༗ͷϢʔεέʔε͔Β੾Γ཭͞Ε͍ͯΔͱߟ͍͑ͯ ͍ 3&45GVM
    "1*͸ݻ༗ͷϢʔεέʔε͔Β੾Γ཭͢
14. w ӈͷ5SFMMPͷϖʔδΛදࣔ͢Δͷ ʹ͸ɺ#PBSE
    -JTU
    $BSE
    "DUJWJUZ ͳͲͷ৘ใ͕ඞཁͰ৭ʑͳϦιʔ ε͕͋Δ͕ɺྫ͑͹ͭͷ"1*Λୟ ͘ͱશͯͷϦιʔε͕Ͱ͖ɺӈͷ ϖʔδΛදࣔ͢Δ͜ͱ͕Ͱ͖Δɺ ͱ͍͏ͷ͸ʮ͋ΔϖʔδΛ։ͨ͘ Ίͷ"1*ʯͱ͍͏͜ͱͰݻ༗ͷ ϢʔεέʔεʹͳΔ
    w ͜ΕΛ΍Δͱ૝૾Ͱ͖ΔΑ͏ʹί ϯτϩʔϥ͕ϝλϘʹͳΔ ݻ༗ͷϢʔεέʔεͷۃ୺ͳྫ
15. w ઌఔͷ#PBSE
    -JTU
    $BSE
    "DUJWJUZͦΕͧΕͷϦιʔεΛऔಘ͢ ΔͨΊͷ"1*͕͋Δ
    w IUUQTEFWFMPQFSTUSFMMPDPNSFGFSFODFJOUSPEVDUJPO
    w ͱͯ΋៉ྷͳͷͰɺઃܭͰ೰Μͩͱ͖ʹΑ͘ݟΔ 5SFMMP͸៉ྷͳ3&45GVM
    "1*
16. w ίϯτϩʔϥͷॲཧΛϞσϧʹಀͯ͠ίϯτϩʔϥͷϝλϘΛ ճආ͢Δͷ͸ਖ਼͍͠ରࡦͰ͸ͳ͍
    w ˠϞσϧ͕ϝλϘʹͳΓɺӅΕϝλϘʹͳΔ ؒҧͬͨରࡦ
17. 3BJMTͰϝλϘʹͳΒͳ͍ͨ Ίͷίϯτϩʔϥͷॻ͖ํͱ ͸
18. class ItemsController < ActionController::API # GET /items def index; end # GET /items/{id} def show; end # POST /items def create; end # PATCH /items/{id} def update; end # DELETE /items/{id} def destroy; end end ϝλϘʹͳΒͳ͍ͨΊͷίϯτϩʔϥͷॻ͖ํͱ͸
19. *UFNͷ$47ҰׅܥͷॲཧΛೖΕ͍ͨͷͰϝιουΛ ௥Ճ͠Α͏
20. class ItemsController < ActionController::API # GET /items def index; end # GET /items/{id} def show; end # POST /items def create; end # PATCH /items/{id} def update; end # DELETE /items/{id} def destroy; end # POST /items_bulk def bulk_create; end # ͜Ε͸΍Βͳ͍΄͏͕͍͍ # PATCH /items_bulk def bulk_update; end # ͜Ε͸΍Βͳ͍΄͏͕͍͍ end ϝλϘʹͳΔίϯτϩʔϥͷॻ͖ํ
21. class ItemsController < ActionController::API # GET /items def index; end # GET /items/{id} def show; end # POST /items def create; end # PATCH /items/{id} def update; end # DELETE /items/{id} def destroy; end end class Bulk::ItemsController < ActionController::API # POST /bulk/items def create; end # PATCH /bulk/items def update; end end ϝλϘʹͳΓʹ͘ίϯτϩʔϥͷॻ͖ํ
22. w ॳΊ͸׳Εͳ͍͔΋͠Εͳ͍͕ɺͲΜͳϦιʔε JUFN
    VTFS
    QBZNFOU Ͱ͋ͬͯ΋ɺJOEFY
    TIPX
    DSFBUF
    VQEBUF
    EFTUSPZϝ ιουͰ࡞੒͢Δ
    w %))ࢯ͕ݴ͍ͬͯΔ
    w IUUQTQPTUEDDIPXEIIPSHBOJ[FTIJTSBJMTDPOUSPMMFST ίϯτϩʔϥͷॻ͖ํʹ౷ҰੑΛ
23. ৭ʑͳαʔϏεͷ"1*Λ ݟ͍ͯΔͱڞ௨෦෼͕
24. w ιʔτͷঢॱ߱ॱ
    w JEঢॱ
    JUFNT TPSU JE
    w JE߱ॱ
    JUFNT TPSUJE
    w ιʔτͷෳ਺ࢦఆ
    w JE߱ॱ
    OBNFঢॱ
    JUFNT TPSUJE OBNF
    w ιʔτͷঢॱ߱ॱσϑΥϧτ஋
    w JUFNT TPSUJE
    ͱͨ͠৔߹ঢॱͱͳΔ ιʔτฤ
25. w ౓ʹऔಘͰ͖Δσʔλ਺ͷ্ݶ
    w ্݅ݶ
    JUFNT MJNJU
    w ݅໨͔Βͷऔಘ
    w ݅໨͔Β
    JUFNT P⒎TFUMJNJU
    w ͷϨίʔυΛऔಘ
    w ݅໨͔Β
    JUFNT QBHFMJNJU ϖʔδϯά
26. w ݕࡧจࣈ͸
    JUFNT RIPHFIPHF
    ͷΑ͏ʹRύϥϝʔλʹΘͨ ͢
    w (JUIVCͷྫ
    JTTVFT RJTJTTVF
    JTPQFO
    CVOEMFS ݕࡧ
27. 3&45GVM
    "1*ͰΑ͘࢖༻͞Ε ΔઃܭΛ؆୯ʹ࣮ݱͰ͖Δ 3BJMTʹ૊ΈࠐΉHFNΛ࡞ͬͨ
28. w 3&45GVM
    "1*ͷҰൠతͳ࢖༻ͷઢ ࿏ʹ৐Δͱ͍͏ҙຯΛࠐΊͯ TFOSPʹ
    w JUFNT TPSUJE OBNFͱϦΫΤε τΛ౤͛ΔͱίϯτϩʔϥͰݺͼ ग़͢QBSBNT<bTPSU`>ͷதΛɺ42-ͷ 03%&3
    #:۟ʹม׵
    w IUUQTHJUIVCDPN XBMLFSTVNJEBTFOSP
    w ελʔͱ͍͏ༀ෺Λ͍ͩ͘͞ TFOSP
    HFN
29. w ίϯτϩʔϥΛϝλϘʹ͠ͳ͍ͨΊʹݻ༗ͷϢʔεέʔεΛຬ ͨͦ͏ͱ͢Δ"1*ͷઃܭࢥ૝͸΍Ί·͠ΐ͏
    w ͭͷίϯτϩʔϥʹϝιουΛੜ΍͠·͘Δͷ͸΍Ί·͠ΐ ͏
    w جຊతʹ͸JOEFY
    TIPX
    DSFBUF
    VQEBUF
    EFTUSPZҎ֎͸ͳΔ ΂͘࢖Θͳ͍Α͏ʹ͠·͠ΐ͏
    w "1*ͷઃܭͰ೰ΜͩΒɺ৭ʑͳαʔϏεͷ0QFO"1*ͷ࢖༻ͳͲ Λࢀߟʹͯ͠Έ·͠ΐ͏ ·ͱΊ
30. ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ