73 lines
2.5 KiB
Swift
73 lines
2.5 KiB
Swift
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import Foundation
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import SaplingCore
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public struct WorkspaceMetadata: Hashable, Codable, Sendable {
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public var workspaceID: UUID
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public var lastOpenedAt: Date
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public var selectedDocumentURL: URL?
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public var expandedItemIDs: Set<UUID>
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public init(
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workspaceID: UUID,
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lastOpenedAt: Date = Date(),
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selectedDocumentURL: URL? = nil,
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expandedItemIDs: Set<UUID> = []
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) {
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self.workspaceID = workspaceID
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self.lastOpenedAt = lastOpenedAt
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self.selectedDocumentURL = selectedDocumentURL
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self.expandedItemIDs = expandedItemIDs
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}
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}
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public protocol WorkspaceMetadataStore: Sendable {
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func loadMetadata(for workspaceID: UUID) throws -> WorkspaceMetadata?
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func saveMetadata(_ metadata: WorkspaceMetadata) throws
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}
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public final class InMemoryWorkspaceMetadataStore: WorkspaceMetadataStore, @unchecked Sendable {
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private var metadataByWorkspaceID: [UUID: WorkspaceMetadata]
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public init(metadataByWorkspaceID: [UUID: WorkspaceMetadata] = [:]) {
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self.metadataByWorkspaceID = metadataByWorkspaceID
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}
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public func loadMetadata(for workspaceID: UUID) throws -> WorkspaceMetadata? {
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metadataByWorkspaceID[workspaceID]
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}
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public func saveMetadata(_ metadata: WorkspaceMetadata) throws {
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metadataByWorkspaceID[metadata.workspaceID] = metadata
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}
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}
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public final class JSONWorkspaceMetadataStore: WorkspaceMetadataStore {
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private let metadataDirectory: URL
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private let encoder: JSONEncoder
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private let decoder: JSONDecoder
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public init(metadataDirectory: URL) {
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self.metadataDirectory = metadataDirectory
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self.encoder = JSONEncoder()
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self.decoder = JSONDecoder()
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encoder.outputFormatting = [.prettyPrinted, .sortedKeys]
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}
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public func loadMetadata(for workspaceID: UUID) throws -> WorkspaceMetadata? {
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let url = fileURL(for: workspaceID)
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guard FileManager.default.fileExists(atPath: url.path) else { return nil }
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let data = try Data(contentsOf: url)
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return try decoder.decode(WorkspaceMetadata.self, from: data)
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}
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public func saveMetadata(_ metadata: WorkspaceMetadata) throws {
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try FileManager.default.createDirectory(at: metadataDirectory, withIntermediateDirectories: true)
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let data = try encoder.encode(metadata)
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try data.write(to: fileURL(for: metadata.workspaceID), options: [.atomic])
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}
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private func fileURL(for workspaceID: UUID) -> URL {
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metadataDirectory.appendingPathComponent("\(workspaceID.uuidString).json")
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}
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}
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