55 lines
1.4 KiB
Swift
55 lines
1.4 KiB
Swift
//
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// DataController.swift
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// Nextcloud Cookbook iOS Client
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//
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// Created by Vincent Meilinger on 15.09.23.
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//
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import Foundation
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import SwiftUI
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class DataStore {
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private static func fileURL(appending: String) throws -> URL {
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try FileManager.default.url(
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for: .documentDirectory,
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in: .userDomainMask,
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appropriateFor: nil,
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create: false
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)
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.appendingPathComponent(appending)
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}
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func load<D: Decodable>(fromPath path: String) async throws -> D? {
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let task = Task<D?, Error> {
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let fileURL = try Self.fileURL(appending: path)
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guard let data = try? Data(contentsOf: fileURL) else {
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return nil
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}
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let storedRecipes = try JSONDecoder().decode(D.self, from: data)
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return storedRecipes
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}
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return try await task.value
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}
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func save<D: Encodable>(data: D, toPath path: String) async throws {
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let task = Task {
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let data = try JSONEncoder().encode(data)
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let outfile = try Self.fileURL(appending: path)
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try data.write(to: outfile)
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}
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_ = try await task.value
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}
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func clearAll() {
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do {
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try FileManager.default.removeItem(at: Self.fileURL(appending: ""))
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} catch {
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print("Could not delete file, probably read-only filesystem")
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}
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}
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}
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