spb/zyquo-router Public MIT

1//2//  PersistenceService.swift3//  Zyquo Router4//5//  Author: Simon-Pierre Boucher6//  Mail: contact@spboucher.ai7//8//  JSON persistence in ~/Library/Application Support/ZyquoRouter/:9//    aliases.json, chains.json, local-keys.json, usage.json, settings.json10//  Ported from Zyquo Cloud; conversation-specific storage dropped (the Router11//  keeps generic named-document load/save only).12//1314import Foundation1516struct PersistenceService {17    static let shared = PersistenceService()1819    let rootDirectory: URL2021    private let encoder: JSONEncoder22    private let decoder: JSONDecoder2324    init(rootDirectory: URL? = nil) {25        let base = FileManager.default.urls(for: .applicationSupportDirectory, in: .userDomainMask)[0]26        self.rootDirectory = rootDirectory ?? base.appendingPathComponent("ZyquoRouter")27        encoder = JSONEncoder()28        encoder.outputFormatting = [.prettyPrinted, .sortedKeys]29        encoder.dateEncodingStrategy = .iso860130        decoder = JSONDecoder()31        decoder.dateDecodingStrategy = .iso860132        try? FileManager.default.createDirectory(at: self.rootDirectory, withIntermediateDirectories: true)33    }3435    // MARK: - Generic documents (aliases, chains, keys, settings…)3637    func load<T: Decodable>(_ type: T.Type, from fileName: String) -> T? {38        let url = rootDirectory.appendingPathComponent(fileName)39        guard let data = try? Data(contentsOf: url) else { return nil }40        return try? decoder.decode(type, from: data)41    }4243    func save<T: Encodable>(_ value: T, to fileName: String) {44        let url = rootDirectory.appendingPathComponent(fileName)45        guard let data = try? encoder.encode(value) else { return }46        try? data.write(to: url, options: .atomic)47    }48}49