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Transcript

1. ͸͡Ίͯͷ૿੫ରԠ "UTVTIJ
   ,BUTVVSB
   
   (.0
   1FQBCP
   *OD
   
   ฏ੒3VCZձٞ ΍ΘΒ͔૿੫
2. ࠓ೔࿩͢͜ͱ w೥݄ͷফඅ੫૿੫ରԠͰ&$αʔϏεͰඞཁʹͳͬͨ͜ͱ
   w࣮ࡍʹରԠ͢Δ্ͰؾΛ͚ͭͨ͜ͱ
   w݄೔Λܴ͑ͨͱ͖ɺ͏·͍͔͘ͳ͔ͬͨ͜ͱ
   3VCZͷ࿩͋·Γͳ͍Ͱ͢ɻੜ׆ൃදͰ͢ɻ
3. উӜ
   ರ
   
   JLBSVHB
   
   !67#@ (.0ϖύϘגࣜձࣾ
   &$ࣄۀ෦
   ΧϥʔϛʔϦϐʔτνʔϜ IUUQTJLBSVHBPSH
4. IUUQTDPMPSNFSFQFBUKQ
5. ΧϥʔϛʔϦϐʔτ w8FC
   "1*αʔόʔ 3VCZ
   PO
   3BJMT
   wϑϩϯτΤϯυαʔόʔ &YQSFTT 7VFKT
   αϒεΫϦϓγϣϯͷܖ໿͕Ͱ͖ΔϥϯσΟϯάϖʔδΛ࡞Δ͜ͱ͕Ͱ ͖ΔαʔϏε
   ೥݄೔αʔϏεϦϦʔε⾣͸͡Ίͯͷ૿੫
6. ૿੫
7. &$αʔϏεʹऻ͍͔͔Δফඅ੫૿੫ wγϣοϓΦʔφʔͷαʔϏεར༻ྉͷফඅ੫
   wγϣοϓΦʔφʔ͕ઃఆ͢Δ঎඼ͷফඅ੫
   wܰݮ੫཰ͷઃఆΛؚΉ
8. ܰݮ੫཰ wಛఆͷ঎඼͸੫཰͕͡Όͳͯ͘ʹͳΓ·͢Α
   wαʔϏεఏڙଆ͕൑அ͢Δ΋ͷͰ͸ͳ͘ɺʮγϣοϓ Φʔφʔʯ͕൑அ͢Δ΋ͷ
   wγϣοϓΦʔφʔʹ͓஌Βͤͯ͠ઃఆͯ͠໯͏ඞཁ͕ ͋Δ
9. ૿੫ରԠͰ΍ͬͨ͜ͱ wαʔϏεར༻ྉͷফඅ੫૿੫ରԠ
   w঎඼ͷফඅ੫૿੫ରԠ
   wܰݮ੫཰ͷઃఆͷఏڙ ࣌ࠁΛڥʹදࣔΛ੾Γସ͑Δ
   ࠓճ͸লུ
   w ૹྉͷ֎੫Խ
   w ாථͷमਖ਼ ۠෼هࡌ੥ٻॻ౳อଘํࣜ
   w ച্కΊॲཧͷεϓϦΫτͷमਖ਼
10. ੫཰͕ద༻͞ΕΔλΠϛϯά
11. Ұ࣍ιʔεΛΑ͘ಡΉ
12. ࠃ੫ி
13. αʔϏεར༻ྉͷ੫཰ wલఏ
    ΧϥʔϛʔϦϐʔτͷαʔϏεར༻ྉ͸೔ԁ
    w݁࿦
    ܖ໿ऴྃ೔͕Ҏ߱ͷͱ͖ɺͷফඅ੫Ͱѻ͏
    wࠃ੫ிͷ)1ΛΑΉ
    wIUUQTXXXOUBHPKQUBYFTTIJSBCFSVUBYBOTXFSTIPIJ IUN
14.  ɹ໾຿ͷఏڙ
    ɹ੥ෛʹΑΔ໾຿ͷఏڙͷ࣌ظ͸ɺݪଇͱ͠ ͯɺ෺ͷҾ౉͠Λཁ͢Δ੥ෛܖ໿ʹ͋ͬͯ͸ ໨త෺ͷશ෦Λ׬੒ͯ͠Ҿ͖౉ͨ͠೔ɺ෺ͷ Ҿ౉͠Λཁ͠ͳ͍੥ෛܖ໿ʹ͋ͬͯ͸ͦͷ໿ ͨ͠໾຿ͷશ෦ͷఏڙΛ׬ྃͨ͠೔Ͱ͢ɻ
    ɹ·ͨɺ੥ෛΛআ͘ਓత໾຿ͷఏڙͷ࣌ظ ͸ɺݪଇͱͯͦ͠ͷਓత໾຿ͷఏڙΛ׬ྃ͠ ͨ೔Ͱ͢ɻ
15.  ɹ໾຿ͷఏڙ
    ɹ੥ෛʹΑΔ໾຿ͷఏڙͷ࣌ظ͸ɺݪଇͱ͠ ͯɺ෺ͷҾ౉͠Λཁ͢Δ੥ෛܖ໿ʹ͋ͬͯ͸ ໨త෺ͷશ෦Λ׬੒ͯ͠Ҿ͖౉ͨ͠೔ɺ෺ͷ Ҿ౉͠Λཁ͠ͳ͍੥ෛܖ໿ʹ͋ͬͯ͸ͦͷ໿ ͨ͠໾຿ͷશ෦ͷఏڙΛ׬ྃͨ͠೔Ͱ͢ɻ
    ɹ·ͨɺ੥ෛΛআ͘ਓత໾຿ͷఏڙͷ࣌ظ ͸ɺݪଇͱͯͦ͠ͷਓత໾຿ͷఏڙΛ׬ྃ͠ ͨ೔Ͱ͢ɻ
16. αʔϏεར༻ྉͷ੫཰ wܖ໿Λ
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    Ͱදݱ͢Δͱ 
    
     ੫཰
    U ੫཰ ੫཰ TUBSUFE@BU FOEFE@BU
17. ঎඼Ձ֨ͷ੫཰͕ద༻͞ΕΔλΠϛϯά w݁࿦
    ঎඼Ձ֨͸ൃૹ࣌ͷ੫཰Λద༻͢Δ
    wʹड஫ͨ͋͠ͱʹൃૹ
    w⾣ͷ੫཰͕ద༻͞ΕΔ
    wIUUQTXXXOUBHPKQMBXUTVUBUTVLJIPOTIPIJIUN ΛಡΉ
18. ʵʵɹ୨Էࢿ࢈ͷҾ౉͠ͷ೔͕͍ͭͰ͋ Δ͔ʹ͍ͭͯ͸ɺྫ͑͹ɺग़ՙͨ͠೔ɺ૬ख ํ͕ݕऩͨ͠೔ɺ૬खํʹ͓͍ͯ࢖༻ऩӹ͕ Ͱ͖Δ͜ͱͱͳͬͨ೔ɺݕ਑౳ʹΑΓൢച਺ ྔΛ֬ೝͨ͠೔౳ɺ౰֘୨Էࢿ࢈ͷछྨٴͼ ੑ࣭ɺͦͷൢചʹ܎Δܖ໿ͷ಺༰౳ʹԠͯ͡ ͦͷҾ౉͠ͷ೔ͱͯ͠߹ཧతͰ͋ΔͱೝΊΒ ΕΔ೔ͷ͏ͪɺࣄۀऀ͕ܧଓͯ͠୨Էࢿ࢈ͷ ৡ౉Λߦͬͨ͜ͱͱ͍ͯ͠Δ೔ʹΑΔ΋ͷͱ ͢Δɻ
19. ࣮૷
20. ੫཰ΛͲ͏දݱ͢Δ͔ w੫཰͕ద༻͞ΕΔ࣌ࠁ
    wܰݮ੫཰͔Ͳ͏͔
    ͕Θ͔Ε͹੫཰͸ٻΊΒΕͦ͏
    wఆ਺Ͱઃఆʹ͢Δ
    w%#ʹσʔλΛ΋ͨͤΔ
21. %#Ͱ੫཰Λදݱ͍ͨ͠ "id" "kind" "rate" "started_at" "expired_at" "created_at" "updated_at" 1 0 0.08 "2014-03-31 15:00:00" "2019-09-30 14:59:59.999999" "2019-07-16 09:44:39.516075" "2019-07-16 09:44:39.516075" 2 0 0.1 "2019-09-30 15:00:00" NULL "2019-07-16 09:44:39.519505" "2019-07-16 09:44:39.519505" 3 1 0.08 "2019-09-30 15:00:00" NULL "2019-07-16 09:44:39.521575" "2019-07-16 09:44:39.521575" UBYFTςʔϒϧര஀ ࠓճ͸ͪ͜ΒΛ࠾༻
22. ࣮૷ class Tax < ApplicationRecord enum kind: { ordinary: 0, reduced: 1 } class << self def ordinary_rate(time = Time.current) # 10%ͷ੫཰༻ ordinary.where('started_at <= ?', time).order(started_at: :desc).first.rate end def reduced_rate(time = Time.current) # 8%(ܰݮ੫཰)༻ reduced.where('started_at <= ?', time).order(started_at: :desc).first.rate end end end
23. UBYFTςʔϒϧͷ
    4&-&$5͕΍ͨΒͱଟ͍
24. %BUF5JNFΫϥε͸ϛϦඵ·Ͱ࣋ͬͯΔ [1] pry(main)> Time.current.iso8601(7) => "2019-12-09T08:49:24.4245084+09:00" 5JNFDVSSFOUΛ౉͢ͱ࣮ߦ͢ΔͨͼʹΫΤϦ͕࣮ߦ͞ΕΔͷͰ ΫΤϦΩϟογϡ͕ޮ͔ͳ͍
    ੫཰ܭࢉͷج४೔࣌Λ໌֬ʹҾ਺ͱͯ͠౉͢͜ͱͰಉ͡ΫΤϦΛ ు͖ग़ͤ͞ɺΫΤϦΩϟογϡΛޮ͔͢
25. IUUQTHJUIVCDPNDPMPSCPY TIPVIJ[FJ
26. 4IPVIJ[FJ
    (FN w:BNMͰͷఆ਺ಡΈࠐΈ
    wܰݮ੫཰ରԠ
    w͜ͷࢿྉ࡞ͬͯΔ࠷தʹݟ௚ͯ͠ʮΑ͍ʜʯͱͳͬͨ
    irb(main):010:0> Shouhizei.rate_on(Time.current) => (1/10) irb(main):011:0> Shouhizei.rate_on(Time.current, reduced: true) => (2/25)
27. Ͳ͕͍͍ͬͪͩΖ͏Ͷ w5BYʹґଘ͢Δ3FMBUJPO͸ଘࡏ͠ͳ͍ͷͰఆ਺Ͱ΋໰୊ͳ͍
    wҰํͰফඅ੫཰ͱ͍͏σʔλΛ%#Ͱදݱ͢Δͷ΋ࣗવͰ͸͋Δ
    wґଘ(FN͸গͳ͍΄͏͕ྑ͍
    ࠓճ͸ͲͬͪΛબΜͰ΋Α͔ͬͨͱࢥͬͨɻ
28. ࣌ࠁΛڥʹදࣔΛ੾Γସ͑Δ
29. ͳͥඞཁʹͳ͔ͬͨ wϑϩϯτΤϯυͰΛڥʹදࣔΛ੾Γସ͑ ͍ͨ
    w࣌ؒΛڥք஋ͱ͢Δςετ͸େม
    wͰ͖Δ͚ͩ୯७ʹݕূ͍ͨ͠
    
30. Ͳ͏͔ͨ͠ w"1*ͷϨεϙϯεʹ
    l૿੫ޙͷ৘ใ͔ zͲ͏͔ͷϨε ϙϯεΛCPPMͰ௥Ճͨ͠
    w࣌ࠁΛฦͯ͠ϑϩϯτΤϯυͰ൑அ͢ΔͷΛආ͚ͨ
31. "1*Ͱ࣌ࠁΛฦͯ͠΋ྑ͍ͷͰ͸ wl৘ใ͕࡞੒͞Εͨ࣌ࠁzͲ͏͔ͷϨεϙϯεΛ௥Ճ͢ ΔͱɺϑϩϯτΤϯυͰ΋࣌ࠁͷൺֱ͕ඞཁʹͳΔ
    wϑϩϯτΤϯυͷ࣌ࠁͷൺֱ͸େม
32. ςετ
33. 34QFDͰςετ࣌ࠁΛม͑Δ # spec/support/traveling.rb RSpec.configure do |config| config.include ActiveSupport::Testing::TimeHelpers config.around(:each, :travel_to) do |example| travel_to(example.metadata[:travel_to]) do example.run end end end
34. 34QFDͰςετ࣌ࠁΛม͑Δ # spec/support/traveling.rb RSpec.configure do |config| config.include ActiveSupport::Testing::TimeHelpers config.around(:each, :travel_to) do |example| travel_to(example.metadata[:travel_to]) do example.run end end end IUUQTSFMJTIBQQDPNSTQFDSTQFD DPSFWEPDTIPPLTBSPVOE
35. ࢖͍ํ ྫ context '૿੫લͷͱ͖', travel_to: '2019/09/30 23:59:59' do # ੫཰8%Ͱ͋Δ͜ͱΛ֬ೝ͢ΔςετΛ͜͜ʹ͔͘ end wϒϩοΫͷதͰAUSBWFM@UPA͕ޮ͍ͯศར
    w !LBKJTIB͞ΜͷΞΠσΞͰ͢ɻ͋Γ͕ͱ͏͍͟͝·͢ɻ
36. DPOUFYUͷ੾Γํ w૿੫લ૿੫ޙͰେ͖ͳίϯςΩετΛ੾Δ
    wͦΕͧΕʹطଘͷςετΛίϐϖ͢Δ
    w૿੫ޙͷίϯςΩετΛ௚͢
    wςετ਺͸૿͑Δ͕ɺޙย෇͚ ςετͷ࡟আ ͷͱ͖૿੫લͷίϯς Ωετʹண໨ͯ͠ςετͷ੔ཧΛߦ͑͹ྑ͍ͷͰָ
37. ૿੫ޙʹ͏·͍͔͘ͳ͔ͬͨ͜ͱ
38. ͏·͍͔͘ͳ͔ͬͨ͜ͱ w૿੫ޙͷදࣔपΓͷෆ۩߹͸ग़ͯ͠·ͬͨ
    w"1*ͷςετ͕NBTUFSͰࣦഊ͢ΔΑ͏ʹͳ͍ͬͯͨ
    
39. NBTUFSͰςετ͕ίέͩ͢ w૿੫લʹ͸QBTT͍ͯͨ͠ςετ͕ࣦഊͨ͠
    w૿੫ޙͷमਖ਼࡞ۀʹӨڹ͕ग़ͨ
    wUSBWFM@UPͷઃఆ΋ΕͰ݄ʹ͸௨͍ͬͯͨςετ͕݄ʹࣦഊ͍ͯͨ͠
    wϩʔΧϧͰະདྷ࣌ࠁʹมߋͯ͠ςετΛҰ౓௨ͨ͠΄͏͕Α͔ͬͨʜ
40. ·ͱΊ wϑϩϯτΤϯυʹ͸࣌ࠁΛ౉ͣ͞ʹݟͤΔํ๏Λߟ͑Δ
    wมߋ͢Δ࣌ࠁ͝ͱʹίϯςΩετΛ࡞͓ͬͯ͘ͱޙָ͕
    w๏཯ͷରԠ͸େม
    ँࣙ
    !LZNNU
    ϨϏϡʔ͋Γ͕ͱ͏͍͟͝·ͨ͠