66 lines
2.6 KiB
Swift
66 lines
2.6 KiB
Swift
//
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// Copyright (c) 2020 Touch Instinct
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the Software), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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import Foundation
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extension UserDefaults: CodableKeyValueStorage {
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public func codableObject<Value: Decodable>(forKey key: StorageKey<Value>,
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decoder: CodableKeyValueDecoder) -> Result<Value, StorageError> {
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guard let storedData = data(forKey: key.rawValue) else {
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return .failure(.valueNotFound)
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}
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return decoder.decodeDecodable(from: storedData, for: key)
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}
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public func set<Value: Encodable>(encodableObject: Value,
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forKey key: StorageKey<Value>,
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encoder: CodableKeyValueEncoder) -> Result<Void, StorageError> {
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encoder.encodeEncodable(value: encodableObject, for: key)
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.map {
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set($0, forKey: key.rawValue)
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}
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}
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public func removeCodableValue<Value: Codable>(forKey key: StorageKey<Value>) -> Result<Void, StorageError> {
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removeValue(forKey: key)
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}
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public func hasCodableValue<Value: Decodable>(forKey key: StorageKey<Value>) -> Result<Bool, StorageError> {
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guard data(forKey: key.rawValue) != nil else {
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return .success(false)
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}
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return .success(true)
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}
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public func removeValue<Value>(forKey key: StorageKey<Value>) -> Result<Void, StorageError> {
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guard data(forKey: key.rawValue) != nil else {
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return .failure(.valueNotFound)
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}
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return .success(removeObject(forKey: key.rawValue))
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}
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}
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