67 lines
1.7 KiB
Swift
67 lines
1.7 KiB
Swift
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import Foundation
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import AppKit
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final class ImageReader {
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/// The content folder where the input data is stored
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let contentFolder: URL
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private let fileUpdates: FileUpdateChecker
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let runDataFolder: URL
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init(in input: URL, runFolder: URL, fileUpdates: FileUpdateChecker) {
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self.contentFolder = input
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self.runDataFolder = runFolder
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self.fileUpdates = fileUpdates
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}
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var numberOfFilesLoaded: Int {
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fileUpdates.numberOfFilesLoaded
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}
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var numberOfFilesAccessed: Int {
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fileUpdates.numberOfFilesAccessed
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}
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func loadData() -> FileUpdateChecker.LoadResult {
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fileUpdates.loadPreviousRun(from: runDataFolder)
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}
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func writeDetectedFileChangesToDisk() -> String? {
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fileUpdates.writeDetectedFileChanges(to: runDataFolder)
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}
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func imageHasChanged(at path: String) -> Bool {
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fileUpdates.fileHasChanged(at: path)
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}
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func getImage(atPath path: String) -> NSImage? {
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guard let data = getData(atPath: path) else {
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// TODO: log.error("Failed to load file", source: path)
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return nil
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}
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guard let image = NSImage(data: data) else {
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// TODO: log.error("Failed to read image", source: path)
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return nil
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}
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return image
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}
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private func getData(atPath path: String) -> Data? {
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let url = contentFolder.appendingPathComponent(path)
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guard url.exists else {
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return nil
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}
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do {
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let data = try Data(contentsOf: url)
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fileUpdates.didLoad(data, at: path)
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return data
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} catch {
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// TODO: log.error("Failed to read data: \(error)", source: path)
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return nil
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}
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}
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}
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