krz/hutch

 1import Foundation
 2import os
 3
 4/// Thread-safe in-memory cache for raw GraphQL response data.
 5/// Keyed by a caller-provided string (typically service name + query hash).
 6final class ResponseCache: Sendable {
 7
 8    private let storage: OSAllocatedUnfairLock<[String: Data]>
 9
10    init() {
11        self.storage = OSAllocatedUnfairLock(initialState: [:])
12    }
13
14    /// Store raw response data under a cache key.
15    func set(_ data: Data, forKey key: String) {
16        storage.withLock { $0[key] = data }
17    }
18
19    /// Retrieve cached response data. Returns nil on cache miss.
20    func get(forKey key: String) -> Data? {
21        storage.withLock { $0[key] }
22    }
23
24    /// Remove a specific entry.
25    func remove(forKey key: String) {
26        storage.withLock { _ = $0.removeValue(forKey: key) }
27    }
28
29    /// Clear all cached data (e.g. on sign-out).
30    func clear() {
31        storage.withLock { $0.removeAll() }
32    }
33}