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Refactoring

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This commit is contained in:
Justin Mazzocchi 2021-03-04 23:36:17 -08:00
parent 5fcc8c780e
commit ba0ddb949a
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GPG key ID: E223E6937AAFB01C
1 changed files with 15 additions and 15 deletions
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30
ServiceLayer/Sources/ServiceLayer/Services/MediaProcessingService.swift
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@ -35,11 +35,13 @@ public extension MediaProcessingService {
if let error = error {
promise(.failure(error))
} else if let url = url {
if uniformType.conforms(to: .image) && uniformType != .gif {
promise(imageData(url: url, type: uniformType))
} else {
promise(Result { try Data(contentsOf: url) })
}
promise(Result {
if uniformType.conforms(to: .image) && uniformType != .gif {
return try imageData(url: url, type: uniformType)
} else {
return try Data(contentsOf: url)
}
})
} else {
promise(.failure(MediaProcessingError.fileURLNotFound))
}
@ -53,16 +55,14 @@ public extension MediaProcessingService {
if let error = error {
promise(.failure(error))
} else if let image = item as? UIImage, let data = image.pngData() {
do {
promise(Result {
let url = URL(fileURLWithPath: NSTemporaryDirectory(), isDirectory: true)
.appendingPathComponent(UUID().uuidString)
try data.write(to: url)
promise(imageData(url: url, type: .png))
} catch {
promise(.failure(error))
}
return try imageData(url: url, type: .png)
})
} else {
promise(.failure(MediaProcessingError.fileURLNotFound))
}
@ -95,24 +95,24 @@ private extension MediaProcessingService {
kCGImageSourceThumbnailMaxPixelSize: 1280
] as CFDictionary
static func imageData(url: URL, type: UTType) -> Result<Data, Error> {
static func imageData(url: URL, type: UTType) throws -> Data {
guard let source = CGImageSourceCreateWithURL(url as CFURL, Self.imageSourceOptions) else {
return .failure(MediaProcessingError.unableToCreateImageSource)
throw MediaProcessingError.unableToCreateImageSource
}
guard let image = CGImageSourceCreateThumbnailAtIndex(source, 0, thumbnailOptions) else {
return .failure(MediaProcessingError.unableToDownsample)
throw MediaProcessingError.unableToDownsample
}
let data = NSMutableData()
guard let imageDestination = CGImageDestinationCreateWithData(data, type.identifier as CFString, 1, nil) else {
return .failure(MediaProcessingError.unableToCreateImageDataDestination)
throw MediaProcessingError.unableToCreateImageDataDestination
}
CGImageDestinationAddImage(imageDestination, image, nil)
CGImageDestinationFinalize(imageDestination)
return .success(data as Data)
return data as Data
}
}