Bye-bye Magic Number - Speaker Deck

Bye-bye Magic Number

by hideki kinjyo

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Bye-Bye  Magic Number ʙʮࣙॻʯΛ࡞ͬͨ࿩ʙ Hideki Kinjyo twitter: @o0h_ / github: o0h

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ࣗݾ঺հ • ίωώτגࣜձࣾ • αʔόʔαΠυΤϯδχΞ • ओʹCakePHPͳͲ

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ࠓ೔͓࿩͢Δ͜ͱ • ϚδοΫφϯόʔʹউͭͧɾɾɾʂ • ͦͷͨΊʹ”Ϟϊ”Λ࡞Γ·ͨ͠

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Έͳ͞Μɺ  ΞϓϦέʔγϣϯͷʮఆ਺ʯ ͷ؅ཧͲ͏͍ͯ͠·͔͢ʁ ϚδοΫφϯόʔ తͳ΍ͭ

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͜͏͍͏΍ͭ • Ϣʔβʔͷొ࿥ঢ়ଶ͕ɾɾ • 0: ϝʔϧΞυϨε֬ೝ଴ͪ • 1: ࢧ෷͍৘ใ֬ೝ଴ͪ • 2: ొ࿥׬ྃ

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ᶃϚδοΫφϯόʔ͸ਏ͍

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ᶃϚδοΫφϯόʔ͸ਏ͍ • ಡΜͰ͍ͯʮಥવग़͖ͯͨʯײ͡ • ʮಛผͳҙຯͷ͋Δ஋ʯʁʮྔͱ͔౓߹͍Λද͍ͯ͠ Δ੔਺஋ʯʁ • ൑ผ͕ͮ͠Β͍ • grep͠ʹ͘͞ => ϦϑΝΫλ͠ʹ͘͞ • etc… (άάͬͨΒ৭ʑग़ͯ͘ΔͷͰׂѪ

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ᶄϞσϧΫϥεͷఆ਺ʹʂ

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ᶄϞσϧΫϥεͷఆ਺ʹʂ • ୯ޠͰ໊લ͕෇͚ΒΕ͍ͯΔ͔Β෼͔Γ΍͢ ͍Ͷʂ • ؔ࿈͢Δ஌ࣝΛ1Օॴʹ·ͱΊΒΕͯ෼͔Γ΍ ͍͢Ͷʂ(scoped, contextual)

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ᶄϞσϧΫϥεͷఆ਺ʹʂ • ʮͲͷΫϥεʹஔ͔͘ʯ͸೰·͍͠ • ͋ΕɺTableʹ࣋ͨͤΔʁEntityʹ࣋ͨͤ Δʁ • ͦ΋ͦ΋Ϟσϧͱؔ࿈͠ͳ͍஌ࣝ͸Ͳ͏͢Δʁ

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ᶅConﬁgureΫϥεͰѻ͏ʂ

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ᶅConﬁgureΫϥεͰѻ͏ʂ • ͜ΕͰ΋໊෇͚͸Մೳʂ • ֊૚Խ΋Ͱ͖Δʂ • ʮͲͷΫϥεʹଐ͢Δ͔ʯΛҙࣝͤͣʹ͓͚ Δʂ

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ᶅConﬁgureΫϥεͰѻ͏ʂ • ΍Ζ͏ͱࢥ͑͹ॻ͖׵͑ΒΕͪΌ͏ΑͶ… • ७ਮͳʮΞϓϦέʔγϣϯͷઃఆʯͱ  ͍ࠞͬͯ͟ΔͷɺԿͱͳ͘ؾ࣋ͪѱ͍͔΋… • ෆ༻ҙʹ௕͘ͳΓ͕ͪɻ • ͪͳΈʹɺ  ίωώτʹ͸2,181ߦͷconstants.php͕͋Γ·͢

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ͳΜ͔ྑ͍ͷͳ͍ͷ͔ͳʂ

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ͭͬͯ͘Έͨʂ

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No content

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ͳΜͰ͔͢ • ఆ਺ΫϥεΛϦονʹ͠·ͨ͠Έ͍ͨͳ΋ͷ • ΫϥεΛఆٛͯ͠  ʮ໊લʯͱʮ஋ʯͷએݴΛ͓ͯ͘͠ • ʮࣙॻʯ͕஌͍ͬͯΔ৘ใΛ  ʮEnumʯͱͯ͠औΓग़ͤΔΑ͏ʹͳΔ • PHPʹ͸ྻڍܕ͕ͳ͍͔ΒΦϨΦϨ࣮૷

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ʮࣙॻʯͷ࡞Γํ • AbstractΫϥεΛܧঝͯ͠ • `ENUM_` preﬁxΛ࣋ͬͨconstΛએݴ͢Δ

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ʮࣙॻʯͷ࡞Γํ

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ʮࣙॻʯͷ࢖͍ํ

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ࣙॻͷԠ༻ᶃʮTypeʯ • Database\Type\EnumType • marshal/toPHPͰEnumΛѻ͑ΔΑ͏ʹ͢Δ

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ࣙॻͷԠ༻ᶃʮEnumTypeʯ

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ࣙॻͷԠ༻ᶃʮEnumTypeʯ

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ࣙॻͷԠ༻ᶄʮValidationʯ • ʮରԠ͢Δࣙॻʹએݴ͞Ε͍ͯΔ͔ʯΛ  νΣοΫ͢ΔValidationProvider • ʮ͜ͷྻ͸͜ͷࣙॻʯͱ͍͏ͷΛ  ηοτ͓ͯ͘͠ͱɺະએݴͳ஋Λڋ൱Ͱ͖Δ

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ࣙॻͷԠ༻ᶄʮValidationʯ

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ࣙॻͷԠ༻ᶄʮValidationʯ

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·ͱΊ • લੈ୅ͷΞϓϦέʔγϣϯͰ  ϚδοΫφϯόʔ΍constansͷരൃ͕ਏͯ͘ɾɾ • CakePHP3ͷPJ্ཱͪ͛࣌ʹ  ݁ߏͳίετΛ͔͚ͭͭɺ͜ͷػߏͷ࡞੒Λߦ͍·ͨ͠ • ݁Ռɺॻ͖ํ͕౷Ұ͞Ε͍͍ͯײ͡ • ͱΓΘ͚ɺCakePHP3ͷORMपΓ͸͔ͳΓڧԽ͞Ε͍ΔͷͰ  Type/ValidationपΓͱͷ࿈ܞ͕ศར • ಠཱͨ͠ϨϙδτϦʹ͓͍ͨࣄͰϙʔλϏϦςΟ

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͝ਗ਼ௌɺ  ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ  ࣮૷ͷ࿩ͱ͔͍ͯ͠ͳ͍ͷͰ  ͓ؾܰʹฉ͍͍ͯͩ͘͞