56 lines
1.7 KiB
Swift
56 lines
1.7 KiB
Swift
// Copyright © 2022 Rangeproof Pty Ltd. All rights reserved.
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import Foundation
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open class Dependencies {
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public var _generalCache: Atomic<GeneralCacheType>?
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public var generalCache: Atomic<GeneralCacheType> {
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get { Dependencies.getValueSettingIfNull(&_generalCache) { General.cache } }
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set { _generalCache = newValue }
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}
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public var _storage: GRDBStorage?
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public var storage: GRDBStorage {
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get { Dependencies.getValueSettingIfNull(&_storage) { GRDBStorage.shared } }
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set { _storage = newValue }
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}
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public var _standardUserDefaults: UserDefaultsType?
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public var standardUserDefaults: UserDefaultsType {
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get { Dependencies.getValueSettingIfNull(&_standardUserDefaults) { UserDefaults.standard } }
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set { _standardUserDefaults = newValue }
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}
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public var _date: Date?
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public var date: Date {
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get { Dependencies.getValueSettingIfNull(&_date) { Date() } }
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set { _date = newValue }
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}
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// MARK: - Initialization
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public init(
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generalCache: Atomic<GeneralCacheType>? = nil,
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storage: GRDBStorage? = nil,
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standardUserDefaults: UserDefaultsType? = nil,
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date: Date? = nil
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) {
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_generalCache = generalCache
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_storage = storage
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_standardUserDefaults = standardUserDefaults
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_date = date
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}
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// MARK: - Convenience
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public static func getValueSettingIfNull<T>(_ maybeValue: inout T?, _ valueGenerator: () -> T) -> T {
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guard let value: T = maybeValue else {
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let value: T = valueGenerator()
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maybeValue = value
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return value
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}
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return value
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}
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}
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