76 lines
2.0 KiB
Swift
76 lines
2.0 KiB
Swift
import Hummingbird
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/// A controller type that provides information about the *DocC* archives containers.
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struct ArchiveController<Context: RequestContext> {
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// MARK: Properties
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private let fileService: any FileServicing
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private let folderArchives: String
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// MARK: Initialisers
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/// Initialises this controller.
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/// - Parameters:
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/// - folderArchives: A folder in the file system where the *DocC* archive contained are located.
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/// - fileService: A service that interfaces with the local file system.
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init(
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_ folderArchives: String,
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fileService: any FileServicing = FileService()
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) {
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self.folderArchives = folderArchives
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self.fileService = fileService
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}
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// MARK: Functions
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/// Registers the controller to a given router.
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/// - Parameter router: A router to register this controller to.
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func register(to router: Router<Context>) {
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router.get(.archives, use: listArchives)
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}
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}
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// MARK: - Helpers
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private extension ArchiveController {
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// MARK: Functions
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@Sendable func listArchives(
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_ request: Request,
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context: Context
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) async throws (HTTPError) -> ArchiveList {
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do {
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let nameArchives = try await fileService
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.listItems(in: folderArchives)
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.filter { $0.hasSuffix(.suffixArchive) }
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.map { $0.dropLast(String.suffixArchive.count) }
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.map(String.init)
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.sorted { $0 < $1 }
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return .init(nameArchives)
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} catch .folderNotFound {
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throw .init(.notFound)
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} catch .folderPathEmpty, .folderNotDirectory {
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throw .init(.unprocessableContent)
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} catch {
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throw .init(.badRequest)
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}
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}
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}
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// MARK: - RouterPath+Constants
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private extension RouterPath {
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static let archives: RouterPath = .init("archives")
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}
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// MARK: - String+Constants
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private extension String {
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static let suffixArchive: String = ".doccarchive"
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}
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