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169 changes: 169 additions & 0 deletions
169
Sources/AppState/Application/Types/Helper/FileManager+AppState.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,169 @@ | ||
| import Foundation | ||
|
|
||
| extension FileManager { | ||
| enum FileError: String, LocalizedError { | ||
| case invalidStringFromData = "String could not be converted into Data." | ||
|
|
||
| var errorDescription: String? { rawValue } | ||
| } | ||
|
|
||
| /// Creates a directory at the specified path. | ||
| /// | ||
| /// - Parameters: | ||
| /// - path: The path at which to create the directory. | ||
| /// - Throws: An error if the directory could not be created. | ||
| func createDirectory(path: String) throws { | ||
| try createDirectory(atPath: path, withIntermediateDirectories: true) | ||
| } | ||
|
|
||
| /// Read a file's data as the type `Value` | ||
| /// | ||
| /// - Parameters: | ||
| /// - path: The path to the directory containing the file. The default is `.`, which means the current working directory. | ||
| /// - filename: The name of the file to read. | ||
| /// - Returns: The file's data decoded as an instance of `Value`. | ||
| /// - Throws: If there's an error reading the file or decoding its data. | ||
| func `in`<Value: Decodable>( | ||
| path: String = ".", | ||
| filename: String | ||
| ) throws -> Value { | ||
| let data = try data( | ||
| path: path, | ||
| filename: filename | ||
| ) | ||
|
|
||
| return try JSONDecoder().decode(Value.self, from: data) | ||
| } | ||
|
|
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| /// Read a file's data | ||
| /// | ||
| /// - Parameters: | ||
| /// - path: The path to the directory containing the file. The default is `.`, which means the current working directory. | ||
| /// - filename: The name of the file to read. | ||
| /// - Returns: The file's data. | ||
| /// - Throws: If there's an error reading the file. | ||
| func data( | ||
| path: String = ".", | ||
| filename: String | ||
| ) throws -> Data { | ||
| let directoryURL: URL = url(filePath: path) | ||
|
|
||
| let fileData = try Data( | ||
| contentsOf: directoryURL.appendingPathComponent(filename) | ||
| ) | ||
|
|
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| guard let base64DecodedData = Data(base64Encoded: fileData) else { | ||
| return fileData | ||
| } | ||
|
|
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| return base64DecodedData | ||
| } | ||
|
|
||
| /// Write data to a file using a JSONEncoder | ||
| /// | ||
| /// - Parameters: | ||
| /// - value: The data to write to the file. It must conform to the `Encodable` protocol. | ||
| /// - path: The path to the directory where the file should be written. The default is `.`, which means the current working directory. | ||
| /// - filename: The name of the file to write. | ||
| /// - base64Encoded: A Boolean value indicating whether the data should be Base64-encoded before writing to the file. The default is `true`. | ||
| /// - Throws: If there's an error writing the data to the file. | ||
| func out<Value: Encodable>( | ||
| _ value: Value, | ||
| path: String = ".", | ||
| filename: String, | ||
| base64Encoded: Bool = true | ||
| ) throws { | ||
| let data = try JSONEncoder().encode(value) | ||
|
|
||
| try out( | ||
| data: data, | ||
| path: path, | ||
| filename: filename, | ||
| base64Encoded: base64Encoded | ||
| ) | ||
| } | ||
|
|
||
| /// Write a string to a file | ||
| /// | ||
| /// - Parameters: | ||
| /// - string: The string to write to the file. | ||
| /// - path: The path to the directory where the file should be written. The default is `.`, which means the current working directory. | ||
| /// - filename: The name of the file to write. | ||
| /// - using: The String.Encoding to encode the string with. The default is `.utf8`. | ||
| /// - base64Encoded: A Boolean value indicating whether the data should be Base64-encoded before writing to the file. The default is `true`. | ||
| /// - Throws: If there's an error writing the data to the file. | ||
| func out( | ||
| string: String, | ||
| path: String = ".", | ||
| filename: String, | ||
| using stringEncoding: String.Encoding = .utf8, | ||
| base64Encoded: Bool = true | ||
| ) throws { | ||
| guard let data = string.data(using: stringEncoding) else { | ||
| throw FileError.invalidStringFromData | ||
| } | ||
|
|
||
| try out( | ||
| data: data, | ||
| path: path, | ||
| filename: filename, | ||
| base64Encoded: base64Encoded | ||
| ) | ||
| } | ||
|
|
||
| /// Write data to a file | ||
| /// | ||
| /// - Parameters: | ||
| /// - value: The data to write to the file. | ||
| /// - path: The path to the directory where the file should be written. The default is `.`, which means the current working directory. | ||
| /// - filename: The name of the file to write. | ||
| /// - base64Encoded: A Boolean value indicating whether the data should be Base64-encoded before writing to the file. The default is `true`. | ||
| /// - Throws: If there's an error writing the data to the file. | ||
| func out( | ||
| data: Data, | ||
| path: String = ".", | ||
| filename: String, | ||
| base64Encoded: Bool = true | ||
| ) throws { | ||
| let directoryURL: URL = url(filePath: path) | ||
|
|
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| var data = data | ||
|
|
||
| if base64Encoded { | ||
| data = data.base64EncodedData() | ||
| } | ||
|
|
||
| if fileExists(atPath: path) == false { | ||
| try createDirectory(path: path) | ||
| } | ||
|
|
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| try data.write( | ||
| to: directoryURL.appendingPathComponent(filename) | ||
| ) | ||
| } | ||
|
|
||
| /// Delete a file | ||
| /// | ||
| /// - Parameters: | ||
| /// - path: The path to the directory containing the file. The default is `.`, which means the current working directory. | ||
| /// - filename: The name of the file to delete. | ||
| /// - Throws: If there's an error deleting the file. | ||
| func delete( | ||
| path: String = ".", | ||
| filename: String | ||
| ) throws { | ||
| let directoryURL: URL = url(filePath: path) | ||
|
|
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| try removeItem( | ||
| at: directoryURL.appendingPathComponent(filename) | ||
| ) | ||
| } | ||
|
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| func url(filePath: String) -> URL { | ||
| if #available(macOS 13.0, iOS 16.0, watchOS 9.0, tvOS 16.0, *) { | ||
| return URL(filePath: filePath) | ||
| } else { | ||
| return URL(fileURLWithPath: filePath) | ||
| } | ||
| } | ||
| } |
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