30 lines
1.1 KiB
Swift
30 lines
1.1 KiB
Swift
// Copyright © 2020 Metabolist. All rights reserved.
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import Foundation
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extension FileManager {
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enum DatabaseDirectoryError: Error {
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case containerURLNotFound
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case unexpectedFileExistsWithDBDirectoryName
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}
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func databaseDirectoryURL(name: String, appGroup: String) throws -> URL {
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guard let containerURL = containerURL(forSecurityApplicationGroupIdentifier: appGroup) else {
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throw DatabaseDirectoryError.containerURLNotFound
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}
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let databaseDirectoryURL = containerURL.appendingPathComponent("DB")
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var isDirectory: ObjCBool = false
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if !fileExists(atPath: databaseDirectoryURL.path, isDirectory: &isDirectory) {
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try createDirectory(at: databaseDirectoryURL,
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withIntermediateDirectories: false,
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attributes: [.protectionKey: FileProtectionType.complete])
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} else if !isDirectory.boolValue {
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throw DatabaseDirectoryError.unexpectedFileExistsWithDBDirectoryName
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}
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return databaseDirectoryURL.appendingPathComponent(name)
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}
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}
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