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Persisting download progress

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This commit is contained in:
Balazs Perlaki-Horvath 2024-07-26 03:04:47 +02:00
parent 7e706f32ad
commit 155edf2ce0
1 changed files with 9 additions and 7 deletions
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16
Model/DownloadService.swift
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@ -22,7 +22,7 @@ import CoreData
import UserNotifications import UserNotifications
import os import os
struct DownloadState { struct DownloadState: Codable {
let downloaded: Int64 let downloaded: Int64
let total: Int64 let total: Int64
let resumeData: Data? let resumeData: Data?
@ -52,18 +52,18 @@ struct DownloadState {
@MainActor @MainActor
final class DownloadTasksPublisher { final class DownloadTasksPublisher {
let publisher = PassthroughSubject<[UUID: DownloadState], Never>() let publisher: CurrentValueSubject<[UUID: DownloadState], Never>
private var states = [UUID: DownloadState]() private var states = [UUID: DownloadState]()
init() { init() {
if let storedStates = UserDefaults.standard.object(forKey: "downloadStates") as? [UUID: DownloadState] { publisher = CurrentValueSubject(states)
if let jsonData = UserDefaults.standard.object(forKey: "downloadStates") as? Data,
let storedStates = try? JSONDecoder().decode([UUID: DownloadState].self, from: jsonData) {
states = storedStates states = storedStates
publisher.send(states)
} }
} }
deinit {
}
func updateFor(uuid: UUID, downloaded: Int64, total: Int64) { func updateFor(uuid: UUID, downloaded: Int64, total: Int64) {
if let state = states[uuid] { if let state = states[uuid] {
@ -91,7 +91,9 @@ final class DownloadTasksPublisher {
if let state = states[uuid] { if let state = states[uuid] {
states[uuid] = state.updatedWith(resumeData: resumeData) states[uuid] = state.updatedWith(resumeData: resumeData)
publisher.send(states) publisher.send(states)
UserDefaults.standard.setValue(states, forKey: "downloadStates") if let jsonStates = try? JSONEncoder().encode(states) {
UserDefaults.standard.setValue(jsonStates, forKey: "downloadStates")
}
} else { } else {
assertionFailure("there should be a download task for: \(uuid)") assertionFailure("there should be a download task for: \(uuid)")
} }