69 lines
3.0 KiB
Swift
69 lines
3.0 KiB
Swift
//
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// Copyright (c) 2023 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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open class BaseSingleValueStorage<ValueType, StorageType>: SingleValueStorage {
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public typealias HasValueClosure = (StorageType, StorageKey<ValueType>) -> Result<Bool, StorageError>
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public typealias GetValueClosure = (StorageType, StorageKey<ValueType>) -> Result<ValueType, StorageError>
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public typealias StoreValueClosure = (StorageType, ValueType, StorageKey<ValueType>) -> Result<Void, StorageError>
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public typealias DeleteValueClosure = (StorageType, StorageKey<ValueType>) -> Result<Void, StorageError>
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public let storage: StorageType
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public let storageKey: StorageKey<ValueType>
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public let hasValueClosure: HasValueClosure
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public let deleteValueClosure: DeleteValueClosure
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public let getValueClosure: GetValueClosure
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public let storeValueClosure: StoreValueClosure
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public init(storage: StorageType,
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storageKey: StorageKey<ValueType>,
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hasValueClosure: @escaping HasValueClosure,
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deleteValueClosure: @escaping DeleteValueClosure,
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getValueClosure: @escaping GetValueClosure,
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storeValueClosure: @escaping StoreValueClosure) {
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self.storage = storage
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self.storageKey = storageKey
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self.hasValueClosure = hasValueClosure
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self.deleteValueClosure = deleteValueClosure
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self.getValueClosure = getValueClosure
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self.storeValueClosure = storeValueClosure
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}
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// MARK: - SingleValueStorage
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open func hasStoredValue() -> Bool {
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(try? hasValueClosure(storage, storageKey).get()) ?? false
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}
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open func store(value: ValueType) -> Result<Void, StorageError> {
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storeValueClosure(storage, value, storageKey)
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}
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open func getValue() -> Result<ValueType, StorageError> {
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getValueClosure(storage, storageKey)
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}
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open func deleteValue() -> Result<Void, StorageError> {
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deleteValueClosure(storage, storageKey)
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}
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}
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