81 lines
2.6 KiB
Swift
81 lines
2.6 KiB
Swift
//
|
|
// SavedDataManager.swift
|
|
// Tusker
|
|
//
|
|
// Created by Shadowfacts on 12/19/19.
|
|
// Copyright © 2019 Shadowfacts. All rights reserved.
|
|
//
|
|
|
|
import Foundation
|
|
import Pachyderm
|
|
import CoreData
|
|
|
|
class SavedDataManager: Codable {
|
|
private static var documentsDirectory = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first!
|
|
private static var archiveURL = SavedDataManager.documentsDirectory.appendingPathComponent("saved_data").appendingPathExtension("plist")
|
|
|
|
static func load() -> SavedDataManager? {
|
|
let decoder = PropertyListDecoder()
|
|
if let data = try? Data(contentsOf: archiveURL),
|
|
let savedHashtagsManager = try? decoder.decode(Self.self, from: data) {
|
|
return savedHashtagsManager
|
|
}
|
|
return nil
|
|
}
|
|
|
|
static func destroy() throws {
|
|
try FileManager.default.removeItem(at: archiveURL)
|
|
}
|
|
|
|
private init() {}
|
|
|
|
private(set) var savedHashtags: [String: [Hashtag]] = [:]
|
|
private(set) var savedInstances: [String: [URL]] = [:]
|
|
|
|
var accountIDs: Set<String> {
|
|
var s = Set<String>()
|
|
savedHashtags.keys.forEach { s.insert($0) }
|
|
savedInstances.keys.forEach { s.insert($0) }
|
|
return s
|
|
}
|
|
|
|
private func save() {
|
|
let encoder = PropertyListEncoder()
|
|
let data = try? encoder.encode(self)
|
|
try? data?.write(to: SavedDataManager.archiveURL, options: .noFileProtection)
|
|
}
|
|
|
|
func migrateToCoreData(accountID: String, context: NSManagedObjectContext) throws {
|
|
var changed = false
|
|
|
|
if let hashtags = savedHashtags[accountID] {
|
|
let objects = hashtags.map {
|
|
["url": $0.url, "name": $0.name]
|
|
}
|
|
let hashtagsReq = NSBatchInsertRequest(entity: SavedHashtag.entity(), objects: objects)
|
|
try context.execute(hashtagsReq)
|
|
savedHashtags.removeValue(forKey: accountID)
|
|
changed = true
|
|
}
|
|
|
|
if let instances = savedInstances[accountID] {
|
|
let objects = instances.map {
|
|
["url": $0]
|
|
}
|
|
let instancesReq = NSBatchInsertRequest(entity: SavedInstance.entity(), objects: objects)
|
|
try context.execute(instancesReq)
|
|
savedInstances.removeValue(forKey: accountID)
|
|
changed = true
|
|
}
|
|
|
|
if changed {
|
|
save()
|
|
}
|
|
}
|
|
}
|
|
|
|
extension Foundation.Notification.Name {
|
|
static let savedHashtagsChanged = Notification.Name("savedHashtagsChanged")
|
|
static let savedInstancesChanged = Notification.Name("savedInstancesChanged")
|
|
}
|