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オンライン予約徹底解説 #railsdm2019
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Masato Nakamura
March 22, 2019
Programming
4
5.8k
オンライン予約徹底解説 #railsdm2019
Rails Developers Meetup 2019
https://railsdm.github.io/
での発表資料です
Masato Nakamura
March 22, 2019
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Transcript
ΦϯϥΠϯ༧పఈղઆ גࣜձࣾτϨλதଜਅਓ !N@OBLBNVSB
w தଜਅਓ !N@OBLBNVSB w αʔόαΠυΤϯδχΞ w τϨλͷશͯͷ"1*ͷ։ൃɾӡ༻ w τϨλ/PXͷ։ൃɾӡ༻
ࣗ ݾ հ
None
21 00 4 ໊ ։࢝ 21 15 ϨετϥϯτϨλ ༧ࢉͷ҆
ϥετΦʔμʔ ¥6,000 23 00 ϑϨϯν ͓ళʹి ϧʔτ࠶ݕࡧ ڞ༗ ళฮใ ༧औফ Ҡಈத STEP 3 ϑϨϯν ϨετϥϯτϨλ ༧ࢉͷ҆ ڑͷ҆ ϥετΦʔμʔ ¥6,000 5 23 00 ॅॴ ౦ژ۠ޒా ళฮใ མͪண͍ͨงғؾͷதͰɺ৺Ώ͘·Ͱ৯ࣄΛຯΘͬͯ ͍ͩ͘͞ɻ ͓ళͷઆ໌ ύελͷछྨ๛ɻύελҎ֎ʹɺɺνʔζɺ ࡊΩϊίͳͲʮࢁʯͷΠλϦΞϯ ྉཧͷઆ໌ εϓϚϯςɺϫΠϯɺനϫΠϯɺੜϏʔϧɺϋΠ υϦϯΫͷઆ໌ ։໊࢝Ͱ༧͢Δ STEP 2 ۙ͘ͷ͓ళΛ୳͢ 21 15 ։࢝ 3 2 5 6 4 ͝ར༻ਓΛબ͍ͯͩ͘͠͞ɻ 21 00 STEP 1
ҿ৯ళͷΦϯϥΠϯ༧͍͠
ࢴͷ༧ா ҿ ৯ ళ ͷ Φ ϯ ϥ Π ϯ
༧ ͱͱҿ৯ళͰΘΕ͍ͯͨ
ෳͷάϧϝϝσΟΞͷࡏݿΛૢ࡞ ҿ ৯ ళ ͷ Φ ϯ ϥ Π ϯ
༧
֤άϧϝαΠτͷࡏݿܝग़ ྫɿ੮͕੮ͷళฮ Χϯλʔ º ໊ςʔϒϧ º ໊ςʔϒϧ º ߹ܭ੮ ੮
άϧϝϝσΟΞ" ੮ άϧϝϝσΟΞ# ੮ άϧϝϝσΟΞ$ ੮ άϧϝϝσΟΞ% ੮ άϧϝϝσΟΞ& ҿ ৯ ళ ͷ Φ ϯ ϥ Π ϯ ༧
ҿ ৯ ళ ͷ Φ ϯ ϥ Π ϯ ༧
༧ாͷσδλϧԽͱసه࡞ۀͷࣗಈԽ શͳΦϯϥΠϯ༧ͷͨΊʹඞཁͳͷ
$0/'*%&/5*"-5PSFUB*OD "MM3JHIU3FTFSWFE ҿ ৯ ళ ͷ Φ ϯ ϥ Π
ϯ ༧
τϨλͷ༧ΦϖϨʔγϣϯ
͋ΒΏΔํ๏ͰτϨλʹ༧ΛೖΕΔ τ Ϩ λ ͷ ༧ Φ ϖ Ϩ
ʔ γ ϣ ϯ
(PPHMFͰ༧ τ Ϩ λ ͷ ༧ Φ ϖ Ϩ
ʔ γ ϣ ϯ
None
None
༧ใ ސ٬ใ DB DB ి༧ ༧ ா ༧ͷσʔλԽ
ి༧ͷ߹ཧԽ τ Ϩ λ ͷ α ʔ Ϗ ε ߏ τϨλϑΥϯ ίϯλΫτηϯλʔ *73 ΦϯυϝσΟΞ τϨλΣϒ༧ 3FTFSWBUJPO"1* ΦϯυڧԽ ސ٬ͷڧԽ άϧϝαΠτ (PPHMFͰ༧ τϨλOPX ϝσΟΞίωΫτ ϝσΟΞίϯτϩʔϥʔ ΦϯϥΠϯ༧ීٴ ू٬ࢧԉ $3. ϝοηʔδϯά ސ٬Ϧαʔν جװγεςϜ࿈ܞ ݱࢧԉ $3.ڧԽ ސ٬ߦಈσʔλ $3.ڧԽ άϧϝαΠτ 104ίωΫτ
༧ใ ސ٬ใ DB DB ి༧ ༧ ா ༧ͷσʔλԽ
ి༧ͷ߹ཧԽ τ Ϩ λ ͷ α ʔ Ϗ ε ߏ τϨλϑΥϯ ίϯλΫτηϯλʔ *73 ΦϯυϝσΟΞ τϨλΣϒ༧ 3FTFSWBUJPO"1* ΦϯυڧԽ ސ٬ͷڧԽ άϧϝαΠτ (PPHMFͰ༧ τϨλOPX ϝσΟΞίωΫτ ϝσΟΞίϯτϩʔϥʔ ΦϯϥΠϯ༧ීٴ ू٬ࢧԉ $3. ϝοηʔδϯά ސ٬Ϧαʔν جװγεςϜ࿈ܞ ݱࢧԉ $3.ڧԽ ސ٬ߦಈσʔλ $3.ڧԽ άϧϝαΠτ 104ίωΫτ
༧ใ ސ٬ใ DB DB ి༧ ༧ ா ༧ͷσʔλԽ
ి༧ͷ߹ཧԽ τ Ϩ λ ͷ α ʔ Ϗ ε ߏ τϨλϑΥϯ ίϯλΫτηϯλʔ *73 ΦϯυϝσΟΞ τϨλΣϒ༧ 3FTFSWBUJPO"1* ΦϯυڧԽ ސ٬ͷڧԽ άϧϝαΠτ (PPHMFͰ༧ τϨλOPX ϝσΟΞίωΫτ ϝσΟΞίϯτϩʔϥʔ ΦϯϥΠϯ༧ීٴ ू٬ࢧԉ $3. ϝοηʔδϯά ސ٬Ϧαʔν جװγεςϜ࿈ܞ ݱࢧԉ $3.ڧԽ ސ٬ߦಈσʔλ $3.ڧԽ άϧϝαΠτ 104ίωΫτ
༧ใ ސ٬ใ DB DB ి༧ ༧ ா ༧ͷσʔλԽ
ి༧ͷ߹ཧԽ τ Ϩ λ ͷ α ʔ Ϗ ε ߏ τϨλϑΥϯ ίϯλΫτηϯλʔ *73 ΦϯυϝσΟΞ τϨλΣϒ༧ 3FTFSWBUJPO"1* ΦϯυڧԽ ސ٬ͷڧԽ άϧϝαΠτ (PPHMFͰ༧ τϨλOPX ϝσΟΞίωΫτ ϝσΟΞίϯτϩʔϥʔ ΦϯϥΠϯ༧ීٴ ू٬ࢧԉ $3. ϝοηʔδϯά ސ٬Ϧαʔν جװγεςϜ࿈ܞ ݱࢧԉ $3.ڧԽ ސ٬ߦಈσʔλ $3.ڧԽ άϧϝαΠτ 104ίωΫτ
༧ใ ސ٬ใ DB DB ి༧ ༧ ா ༧ͷσʔλԽ
ి༧ͷ߹ཧԽ τ Ϩ λ ͷ α ʔ Ϗ ε ߏ τϨλϑΥϯ ίϯλΫτηϯλʔ *73 ΦϯυϝσΟΞ τϨλΣϒ༧ 3FTFSWBUJPO"1* ΦϯυڧԽ ސ٬ͷڧԽ άϧϝαΠτ (PPHMFͰ༧ τϨλOPX ϝσΟΞίωΫτ ϝσΟΞίϯτϩʔϥʔ ΦϯϥΠϯ༧ීٴ ू٬ࢧԉ $3. ϝοηʔδϯά ސ٬Ϧαʔν جװγεςϜ࿈ܞ ݱࢧԉ $3.ڧԽ ސ٬ߦಈσʔλ $3.ڧԽ άϧϝαΠτ 104ίωΫτ
༧ใ ސ٬ใ DB DB ి༧ ༧ ா ༧ͷσʔλԽ
ి༧ͷ߹ཧԽ τ Ϩ λ ͷ α ʔ Ϗ ε ߏ τϨλϑΥϯ ίϯλΫτηϯλʔ *73 ΦϯυϝσΟΞ τϨλΣϒ༧ 3FTFSWBUJPO"1* ΦϯυڧԽ ސ٬ͷڧԽ άϧϝαΠτ (PPHMFͰ༧ τϨλOPX ϝσΟΞίωΫτ ϝσΟΞίϯτϩʔϥʔ ΦϯϥΠϯ༧ීٴ ू٬ࢧԉ $3. ϝοηʔδϯά ސ٬Ϧαʔν جװγεςϜ࿈ܞ ݱࢧԉ $3.ڧԽ ސ٬ߦಈσʔλ $3.ڧԽ άϧϝαΠτ 104ίωΫτ
τϨλʹࣗಈతʹ༧͕ೖΔ ӦۀதτϨλͷը໘͚ͩΛݟΕ0, ΦϖϨʔγϣϯ͕؆୯ʹͳͬͨ τ Ϩ λ ͷ ༧ Φ
ϖ Ϩ ʔ γ ϣ ϯ
8FC༧ઃఆͷྺ࢙
༧ͷೖΕํΛ͢Δͱ ച্্͕͕Δ 8 F C ༧ ઃ ఆ ͷ
ྺ ࢙
ճస
ճస
੮ࡏݿʹۭؒత੍ͱ࣌ؒత੍ͷ ͭͷ͕݅͋Δ 8 F C ༧ ઃ ఆ ͷ
ྺ ࢙
ۭؒత੍ͷม ςʔϒϧ ༧ਓ 8 F C ༧ ઃ ఆ
ͷ ྺ ࢙
ҿ৯ళʹͱͬͯ੮ޮ ച্࠷େԽͷͨΊʹେࣄͳཁૉͷͭ 8 F C ༧ ઃ ఆ ͷ
ྺ ࢙
ҿ৯ళʹ͓͚Δ੮ࡏݿͷߟ͑ํ 8 F C ༧ ઃ ఆ ͷ ྺ
࢙
ຊདྷͷ੮ɾςʔϒϧ୯Ґͷ߹ Χϯλʔʹ੮ ςʔϒϧʹ੮ 8 F C ༧ ઃ ఆ
ͷ ྺ ࢙ ҿ৯ళʹ͓͚Δ੮ࡏݿͷߟ͑ํ
੮ɾςʔϒϧΛ݁߹͢Δ߹ 8 F C ༧ ઃ ఆ ͷ ྺ
࢙ ҿ৯ళʹ͓͚Δ੮ࡏݿͷߟ͑ํ
੮ɾςʔϒϧΛ݁߹͢Δ߹ 8 F C ༧ ઃ ఆ ͷ ྺ
࢙ ҿ৯ళʹ͓͚Δ੮ࡏݿͷߟ͑ํ
࣌ؒత੍ͷม Ӧۀ Ӧۀ࣌ؒ ༧ͷࡏ࣌ؒ 8FC༧։࢝࣌ؒ 8FC༧डظؒ 8FC༧ड͚͚క࣌ؒ 8 F C
༧ ઃ ఆ ͷ ྺ ࢙
Ӧ ۀ ઃ ఆ
Ӧ ۀ ࣌ ؒ ઃ ఆ
ॳظͷ8FC༧ࡏݿͷࢥ 8 F C ༧ ઃ ఆ ͷ ྺ
࢙
ۭؒతɾ࣌ؒత੍Λ ԾతͳςʔϒϧͰදݱ 8 F C ༧ ઃ ఆ ͷ
ྺ ࢙
ࡏݿͷΛ࡞Δ Ҏ֎ͷۭ͖ʹ༧ೖΒͳ͍ 8 F C ༧ ઃ ఆ ͷ
ྺ ࢙
None
8FC༧ςʔϒϧ 8FC༧ςʔϒϧ 8FC༧ςʔϒϧ 8FC༧ςʔϒϧ 8FC༧ςʔϒϧ 8FC༧ςʔϒϧ 8FC༧ςʔϒϧ 8FC༧ςʔϒϧ 8FC༧ςʔϒϧ 8FC༧ςʔϒϧ
8FC༧ςʔϒϧ
ೖͬͯ͘Δ༧Λ͓ళଆ͕ίϯτϩʔϧՄೳ 8 F C ༧ ઃ ఆ ͷ ྺ
࢙
None
ൟళ͚ͷ ߴͳςʔϒϧϚωδϝϯτΛ࣮ݱ 8 F C ༧ ઃ ఆ ͷ
ྺ ࢙
ࡏݿͷ࣮ํ๏ 8 F C ༧ ઃ ఆ ͷ ྺ
࢙
ඞཁʹͳΔͱ͖ʹࡏݿΛܭࢉ͢Δ 8 F C ༧ ઃ ఆ ͷ ྺ
࢙
ࡏݿΛܭࢉ͢Δ ࡏݿͷࢀরසଟ͘ͳ͍ ӬଓԽ͠ͳ͍ 8 F C ༧ ઃ ఆ
ͷ ྺ ࢙
ࡏݿΛࢀর͢ΔλΠϛϯά 8 F C ༧ ઃ ఆ ͷ ྺ
࢙
༧ใ ސ٬ใ DB DB ి༧ ༧ ா σʔλ׆༻
8 F C ༧ ઃ ఆ ͷ ྺ ࢙ τϨλϑΥϯ ίϯλΫτηϯλʔ *73 ΦϯυϝσΟΞ τϨλΣϒ༧ 3FTFSWBUJPO"1* άϧϝαΠτ (PPHMFͰ༧ τϨλOPX ϝσΟΞίωΫτ ϝσΟΞίϯτϩʔϥʔ $3. ϝοηʔδϯά ސ٬Ϧαʔν جװγεςϜ࿈ܞ άϧϝαΠτ 104ίωΫτ
None
ॳظಋೖళฮ͕ൟళͩͬͨͷͰ ͜ͷઃܭࢥ͕ϑΟοτͨ͠ 8 F C ༧ ઃ ఆ ͷ
ྺ ࢙
ಋೖళฮ૿Ճ ͜ͷઃܭͰಋೖͮ͠Β͍ళฮ૿͖͑ͯͨ 8 F C ༧ ઃ ఆ ͷ
ྺ ࢙
ৗʹ༧͕ຒ·ΔΘ͚Ͱͳ͍ళฮ େख๏ਓҰׅಋೖ 8 F C ༧ ઃ
ఆ ͷ ྺ ࢙
None
8FC༧ͷઃఆίετ͕ߴ͍ ΦϯϘʔσΟϯά͕Ͱ͖ͳ͍ͷͰઃఆΛߦ ࣾίετ͕૿Ճ 8 F C ༧ ઃ ఆ
ͷ ྺ ࢙
ࡏݿใΛͬͨϏδωε ࡏݿσʔλͷࢀরස͕૿Ճ ࡏݿใͷӬଓԽͷཁ͕૿Ճ 8 F C ༧ ઃ ఆ
ͷ ྺ ࢙
ݱࡏͷχʔζʹԊͬͨ 8FC༧ઃఆ͕ඞཁ 8 F C ༧ ઃ ఆ ͷ
ྺ ࢙
None
ࡏݿϞσϧͷಋೖ
8FC༧ࡏݿͷઃܭࢥͷมߋ ࡏ ݿ Ϟ σ ϧ ͷ ಋ ೖ
ۭ͖ͷ෦ࡏݿͱͯ͠ग़͢ ग़ͨ͘͠ͳ͍෦Λด͡Δ ࡏ ݿ Ϟ σ ϧ ͷ ಋ ೖ
None
։์͠ͳ͍ 8FC༧ςʔϒϧ 8FC༧ςʔϒϧ 8FC༧ςʔϒϧ 8FC༧ςʔϒϧ ։์͠ͳ͍ ςʔϒϧάϧʔϓ
ࡏݿϞσϧͷܭࢉํ๏ ࡏ ݿ Ϟ σ ϧ ͷ ಋ ೖ
ࡏݿϞσϧͷܭࢉม ༧ ςʔϒϧ ςʔϒϧάϧʔϓ Ӧۀ Ӧۀ࣌ؒ ΫΤϦͷ Өڹൣғ খ େ
ૢ࡞ස ߴ ࡏ ݿ Ϟ σ ϧ ͷ ಋ ೖ
ςʔϒϧάϧʔϓ Ӧۀ Ӧۀ࣌ؒ ςʔϒϧ ༧
ܭࢉม͕࡞ɾߋ৽ɾআ͞ΕͨΒ "DUJWF3DPSEDBMMCBDLͰ ࡏݿܭࢉ༻4JEFLJRXPSLFSΛFORVFVF ࡏ ݿ Ϟ σ ϧ ͷ ಋ
ೖ
21 00 4 ໊ ։࢝ 21 15 ϨετϥϯτϨλ ༧ࢉͷ҆
ϥετΦʔμʔ ¥6,000 23 00 ϑϨϯν ͓ళʹి ϧʔτ࠶ݕࡧ ڞ༗ ళฮใ ༧औফ Ҡಈத STEP 3 ϑϨϯν ϨετϥϯτϨλ ༧ࢉͷ҆ ڑͷ҆ ϥετΦʔμʔ ¥6,000 5 23 00 ॅॴ ౦ژ۠ޒా ళฮใ མͪண͍ͨงғؾͷதͰɺ৺Ώ͘·Ͱ৯ࣄΛຯΘͬͯ ͍ͩ͘͞ɻ ͓ళͷઆ໌ ύελͷछྨ๛ɻύελҎ֎ʹɺɺνʔζɺ ࡊΩϊίͳͲʮࢁʯͷΠλϦΞϯ ྉཧͷઆ໌ εϓϚϯςɺϫΠϯɺനϫΠϯɺੜϏʔϧɺϋΠ υϦϯΫͷઆ໌ ։໊࢝Ͱ༧͢Δ STEP 2 ۙ͘ͷ͓ళΛ୳͢ 21 15 ։࢝ 3 2 5 6 4 ͝ར༻ਓΛબ͍ͯͩ͘͠͞ɻ 21 00 STEP 1
8FC༧ઃఆͷࠓޙ
طଘͷ8FC༧ςʔϒϧͱ ࡏݿϞσϧͷ༥߹ 8 F C ༧ ઃ ఆ ͷ
ࠓ ޙ
None
શͯͷ༧ͷೖΓޱͷࡏݿࢀরํ๏ͷ౷Ұ 8 F C ༧ ઃ ఆ ͷ ࠓ
ޙ
༧ใ ސ٬ใ DB DB ి༧ ༧ ா τ
Ϩ λ ͷ α ʔ Ϗ ε ߏ τϨλϑΥϯ ίϯλΫτηϯλʔ *73 ΦϯυϝσΟΞ τϨλΣϒ༧ 3FTFSWBUJPO"1* άϧϝαΠτ (PPHMFͰ༧ τϨλOPX ϝσΟΞίωΫτ ϝσΟΞίϯτϩʔϥʔ $3. ϝοηʔδϯά ސ٬Ϧαʔν جװγεςϜ࿈ܞ άϧϝαΠτ 104ίωΫτ 8FC༧ςʔϒϧ ࡏݿϞσϧ
None