82 lines
3.2 KiB
Swift
82 lines
3.2 KiB
Swift
//
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// Copyright (c) 2022 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 TINetworking
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import TIFoundationUtils
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import Cache
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import Foundation
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public struct EndpointCacheService<Content: Codable> {
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private let serializedRequest: SerializedRequest
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private let multiLevelStorage: Storage<SerializedRequest, Content>
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public var cachedContent: Content? {
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get {
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guard let entry = try? multiLevelStorage.entry(forKey: serializedRequest), !entry.expiry.isExpired else {
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try? multiLevelStorage.removeObject(forKey: serializedRequest)
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return nil
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}
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return entry.object
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}
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nonmutating set {
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if let object = newValue {
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try? multiLevelStorage.setObject(object,
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forKey: serializedRequest)
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} else {
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try? multiLevelStorage.removeObject(forKey: serializedRequest)
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}
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}
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}
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public init(serializedRequest: SerializedRequest,
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cacheLifetime: TimeInterval,
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jsonCodingConfigurator: JsonCodingConfigurator) throws {
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self.serializedRequest = serializedRequest
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let nameWithoutLeadingSlash: String
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if serializedRequest.path.starts(with: "/") {
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nameWithoutLeadingSlash = serializedRequest.path.drop { $0 == "/" }.string
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} else {
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nameWithoutLeadingSlash = serializedRequest.path
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}
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let diskConfig = DiskConfig(name: nameWithoutLeadingSlash,
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expiry: .seconds(cacheLifetime))
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let memoryConfig = MemoryConfig(expiry: .seconds(cacheLifetime),
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countLimit: 0,
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totalCostLimit: 0)
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let transformer = Transformer {
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try jsonCodingConfigurator.jsonEncoder.encode($0)
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} fromData: {
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try jsonCodingConfigurator.jsonDecoder.decode(Content.self, from: $0)
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}
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self.multiLevelStorage = try Storage(diskConfig: diskConfig,
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memoryConfig: memoryConfig,
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transformer: transformer)
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}
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}
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