入力を型で表現する

https://potatotips.connpass.com/event/68024/ での発表内容です

Transcript

1. ೖྗΛܕͰදݱ͢Δ
   !NPUPLJFF
   QPUBUPUJQT
   

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2. ࣗݾ঺հ
   w HJUIVC UXJUUFS!NPUPLJFF
   w ϝϧΧϦι΢κ΢J04ΤϯδχΞ
   w ϝϧΧϦΧ΢ϧνʔϜ
   w J04%$+BQBOελοϑ
   

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4. ʙອըηοτͷग़඼ɾߪೖʹରԠ
   

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5. ग़඼ํ๏
   όʔίʔυΛಡΈࠐΉ

   ˠ&"/ίʔυ͔Β"1*ܦ༝Ͱ੡඼৘ใΛऔಘ
   λΠτϧ͔Βݕࡧ͢Δ

   ˠςΩετ͔Β੡඼৘ใΛऔಘʢ6*্ɺ੡඼σʔλ͸औಘࡁʣ
   

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6. %FNP
   

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7. ग़඼ը໘͸ͦͦ͜͜ෳࡶ
   w ܦ࿏͕ෳ਺ʢ͍·͸͚ͭͩͲʜʣ
   w όʔίʔυಡΈࠐΈ
   w λΠτϧݕࡧ
   w ϓϨʔεϗϧμͷදࣔ
   w ్தͰ੡඼ͷ৘ใ͕੾ΓସΘΔʢອըηοτʣ
   

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8. ෳ਺ͷೖྗΛͭͷܕͰදݱ
   

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9. struct ProactiveExhibit {
   enum Input: Equatable {
   case ean(String)
   case exhibit(BulkIncludeExhibit)
   }
   let input: Input
   }
   ೖྗͷந৅Խ
   

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10. struct ProactiveExhibit {
    enum Input: Equatable {
    case ean(String)
    case exhibit(BulkIncludeExhibit)
    }
    let input: Input
    }
    Χϝϥ͔ΒऔಘͰ͖Δ&"/ίʔυ

    ʢ੡඼৘ใऔಘΛ"1*ܦ༝Ͱऔಘʣ
    

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11. struct ProactiveExhibit {
    enum Input: Equatable {
    case ean(String)
    case exhibit(BulkIncludeExhibit)
    }
    let input: Input
    }
    λΠτϧݕࡧը໘͔Β౉͞ΕΔ੡඼৘ใ

    ʢݕࡧࡁΈͷ੡඼৘ใ͕ͦͷ··౉͞ΕΔʣ
    

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12. let input = Observable
    .of(scanCamera.barcodeNumber.map { ProactiveExhibit.Input.ean($0) },
    exhibitAdapter.map { ProactiveExhibit.Input.exhibit(BulkIncludeExhibit(exhibits: [$0])) }
    )
    .merge()
    .asDriver(onErrorDriveWith: .empty())
    let removeExhibitsInput = Observable
    .merge(GlobalObservable.removeExhibitsForExhibitCamera, removeExhibitAdapter)
    .asDriver(onErrorDriveWith: .empty())
    let replaceExhibitInput = replaceExhibitAdapter.asDriver(onErrorDriveWith: .empty())
    viewModel = ExhibitCameraViewModel(input: input,
    removeExhibitsInput: removeExhibitsInput,
    replaceExhibitInput: replaceExhibitInput)
    Χϝϥ͔Β౉ͬͯ͘Δ&"/ίʔυͷετϦʔϜͱɺ

    λΠτϧը໘͔Β౉͞ΕΔ੡඼σʔλͷετϦʔϜΛNFSHF

    ˠ%SJWFS1SPBDUJWF&YIJCJU*OQVU
    

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13. let input = Observable
    .of(scanCamera.barcodeNumber.map { ProactiveExhibit.Input.ean($0) },
    exhibitAdapter.map { ProactiveExhibit.Input.exhibit(BulkIncludeExhibit(exhibits: [$0])) }
    )
    .merge()
    .asDriver(onErrorDriveWith: .empty())
    let removeExhibitsInput = Observable
    .merge(GlobalObservable.removeExhibitsForExhibitCamera, removeExhibitAdapter)
    .asDriver(onErrorDriveWith: .empty())
    let replaceExhibitInput = replaceExhibitAdapter.asDriver(onErrorDriveWith: .empty())
    viewModel = ExhibitCameraViewModel(input: input,
    removeExhibitsInput: removeExhibitsInput,
    replaceExhibitInput: replaceExhibitInput)
    Χϝϥ͔Β౉ͬͯ͘Δ&"/ίʔυͷετϦʔϜ
    

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14. let input = Observable
    .of(scanCamera.barcodeNumber.map { ProactiveExhibit.Input.ean($0) },
    exhibitAdapter.map { ProactiveExhibit.Input.exhibit(BulkIncludeExhibit(exhibits: [$0])) }
    )
    .merge()
    .asDriver(onErrorDriveWith: .empty())
    let removeExhibitsInput = Observable
    .merge(GlobalObservable.removeExhibitsForExhibitCamera, removeExhibitAdapter)
    .asDriver(onErrorDriveWith: .empty())
    let replaceExhibitInput = replaceExhibitAdapter.asDriver(onErrorDriveWith: .empty())
    viewModel = ExhibitCameraViewModel(input: input,
    removeExhibitsInput: removeExhibitsInput,
    replaceExhibitInput: replaceExhibitInput)
    λΠτϧը໘͔Β౉͞ΕΔ੡඼σʔλͷετϦʔϜ
    

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15. let input = Observable
    .of(scanCamera.barcodeNumber.map { ProactiveExhibit.Input.ean($0) },
    exhibitAdapter.map { ProactiveExhibit.Input.exhibit(BulkIncludeExhibit(exhibits: [$0])) }
    )
    .merge()
    .asDriver(onErrorDriveWith: .empty())
    let removeExhibitsInput = Observable
    .merge(GlobalObservable.removeExhibitsForExhibitCamera, removeExhibitAdapter)
    .asDriver(onErrorDriveWith: .empty())
    let replaceExhibitInput = replaceExhibitAdapter.asDriver(onErrorDriveWith: .empty())
    viewModel = ExhibitCameraViewModel(input: input,
    removeExhibitsInput: removeExhibitsInput,
    replaceExhibitInput: replaceExhibitInput)
    ೖྗΛ7JFX.PEFMͷॳظԽ࣌ʹ౉͢
    

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16. 1SPBDUJWF&YIJCJU*OQVUͰ
    දࣔॲཧ΍"1*ϦΫΤετॲཧΛ෼͚Δ
    

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17. let fetchProgress = filteredInput
    .flatMap { [weak self] input -> Driver> in
    switch input {
    case .ean(let ean):
    let request = ExhibitAPI.FindByEAN(ean: ean)
    let response = APIClient.shared.response(request)
    .map { response -> (ProactiveExhibit.Input, [Exhibit]) in
    return (input, response.elements)
    }
    return Progress.makeDriver(response)
    case .exhibit(let exhibit):
    return Driver.empty()
    }
    }
    *OQVUFBOͷ৔߹ͷΈϦΫΤετ
    

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18. class ExhibitScannedDisplayViewCell: UICollectionViewCell {
    // লུ
    var proactiveExhibit: ProactiveExhibit? {
    didSet {
    if let bulkIncludeExhibit = proactiveExhibit?.bulkIncludeExhibit {
    // ੡඼৘ใදࣔ
    } else {
    // ϓϨʔεϗϧμදࣔ
    }
    }
    }
    }
    "1*ϦΫΤετ͕ඞཁͳ৔߹ʢFBOʣ͸

    ϓϨʔεϗϧμΛදࣔ͢ΔΑ͏$FMMͰදࣔॲཧ
    

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19. class ExhibitScannedDisplayViewCell: UICollectionViewCell {
    // লུ
    var proactiveExhibit: ProactiveExhibit? {
    didSet {
    if let bulkIncludeExhibit = proactiveExhibit?.bulkIncludeExhibit {
    // ੡඼৘ใදࣔ
    } else {
    // ϓϨʔεϗϧμදࣔ
    }
    }
    }
    }
    ೖྗʹܕΛఆٛ͢Δ͜ͱͰσʔλͦͷ΋ͷͱ͸

    ผͰॲཧ͕Ͱ͖ΔΑ͏ʹͳΔ
    

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20. ෳ਺ͷೖྗΛͭͷܕͰදݱ
    w σʔλ͚ͩͰͳ͘ೖྗʹ΋ܕΛ
    w σʔλࣗମͷॲཧͱը໘ͷॲཧΛ෼཭͠΍͍͢
    w ೖྗ಺༰ʹΑͬͯॲཧ͕ҟͳΔΑ͏ͳ৔߹ʹ༗ޮ
    w ࠓޙɺೖྗͷόϦΤʔγϣϯ͕૿͑ΔΑ͏ͳ͜ͱ͕͋ͬ
    ͯ΋ಉ͡ܕͰදݱ͢Δ͜ͱ͕Ͱ͖Δ
    w όϦΤʔγϣϯ͕૿͑ͨࡍ΋ίϯύΠϧΤϥʔ͕ग़Δͷ
    ͰɺҰͭҰͭରԠ͍͚ͯ͠͹ྑ͍
    

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21. ͓ΘΓ
    

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