115 lines
3.4 KiB
Swift
115 lines
3.4 KiB
Swift
//
|
|
// DataController.swift
|
|
// Nextcloud Cookbook iOS Client
|
|
//
|
|
// Created by Vincent Meilinger on 15.09.23.
|
|
//
|
|
|
|
import Foundation
|
|
import SwiftUI
|
|
|
|
class DataStore {
|
|
let fileManager = FileManager.default
|
|
static let shared = DataStore()
|
|
|
|
private static func fileURL(appending: String) throws -> URL {
|
|
try FileManager.default.url(
|
|
for: .documentDirectory,
|
|
in: .userDomainMask,
|
|
appropriateFor: nil,
|
|
create: false
|
|
)
|
|
.appendingPathComponent(appending)
|
|
}
|
|
|
|
private static func fileURL() throws -> URL {
|
|
try FileManager.default.url(
|
|
for: .documentDirectory,
|
|
in: .userDomainMask,
|
|
appropriateFor: nil,
|
|
create: false
|
|
)
|
|
}
|
|
|
|
func load<D: Decodable>(fromPath path: String) async throws -> D? {
|
|
let task = Task<D?, Error> {
|
|
let fileURL = try Self.fileURL(appending: path)
|
|
guard let data = try? Data(contentsOf: fileURL) else {
|
|
return nil
|
|
}
|
|
let storedRecipes = try JSONDecoder().decode(D.self, from: data)
|
|
return storedRecipes
|
|
}
|
|
return try await task.value
|
|
}
|
|
|
|
func save<D: Encodable>(data: D, toPath path: String) async {
|
|
let task = Task {
|
|
let data = try JSONEncoder().encode(data)
|
|
let outfile = try Self.fileURL(appending: path)
|
|
try data.write(to: outfile)
|
|
}
|
|
do {
|
|
_ = try await task.value
|
|
} catch {
|
|
print("Could not save data (path: \(path)")
|
|
}
|
|
}
|
|
|
|
func delete(path: String) {
|
|
Task {
|
|
let fileURL = try Self.fileURL(appending: path)
|
|
try fileManager.removeItem(at: fileURL)
|
|
}
|
|
}
|
|
|
|
func recipeDetailExists(recipeId: Int) -> Bool {
|
|
let filePath = "recipe\(recipeId).data"
|
|
guard let folderPath = fileManager.urls(for: .documentDirectory, in: .userDomainMask).first?.path() else { return false }
|
|
return fileManager.fileExists(atPath: folderPath + filePath)
|
|
}
|
|
|
|
func clearAll() -> Bool {
|
|
print("Attempting to delete all data ...")
|
|
guard let folderPath = fileManager.urls(for: .documentDirectory, in: .userDomainMask).first?.path() else { return false }
|
|
print("Folder path: ", folderPath)
|
|
do {
|
|
let filePaths = try fileManager.contentsOfDirectory(atPath: folderPath)
|
|
for filePath in filePaths {
|
|
print("File path: ", filePath)
|
|
try fileManager.removeItem(atPath: folderPath + filePath)
|
|
}
|
|
} catch {
|
|
print("Could not delete documents folder contents: \(error)")
|
|
return false
|
|
}
|
|
print("Done.")
|
|
return true
|
|
|
|
}
|
|
}
|
|
|
|
// SimilarityIndex loading and saving
|
|
import SimilaritySearchKit
|
|
extension DataStore {
|
|
func loadIndex() async -> [IndexItem]? {
|
|
do {
|
|
let indexItems = try await SimilarityIndex().loadIndex(fromDirectory: Self.fileURL(appending: "similarity_index"))
|
|
return indexItems
|
|
} catch {
|
|
print("Unable to load SimilarityIndex")
|
|
return nil
|
|
}
|
|
}
|
|
|
|
func saveIndex(_ index: SimilarityIndex) {
|
|
do {
|
|
try index.saveIndex(toDirectory: Self.fileURL(appending: "similarity_index"))
|
|
} catch {
|
|
print("Unable to save SimilarityIndex")
|
|
}
|
|
}
|
|
}
|
|
|
|
|