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User playlists cache

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This commit is contained in:
Arkadiusz Fal
2022-12-11 18:04:39 +01:00
parent 33bd052fdc
commit bc42a2fa88
11 changed files with 190 additions and 93 deletions
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3
Model/Applications/InvidiousAPI.swift
View File

@@ -114,8 +114,7 @@ final class InvidiousAPI: Service, ObservableObject, VideosAPI {
}
configureTransformer(pathPattern("auth/playlists"), requestMethods: [.post, .patch]) { (content: Entity<Data>) -> Playlist in
// hacky, to verify if possible to get it in easier way
Playlist(JSON(parseJSON: String(data: content.content, encoding: .utf8)!))
self.extractPlaylist(from: JSON(parseJSON: String(data: content.content, encoding: .utf8)!))
}
configureTransformer(pathPattern("auth/feed"), requestMethods: [.get]) { (content: Entity<JSON>) -> [Video] in

3
Model/Applications/PeerTubeAPI.swift
View File

@@ -121,8 +121,7 @@ final class PeerTubeAPI: Service, ObservableObject, VideosAPI {
}
configureTransformer(pathPattern("auth/playlists"), requestMethods: [.post, .patch]) { (content: Entity<Data>) -> Playlist in
// hacky, to verify if possible to get it in easier way
Playlist(JSON(parseJSON: String(data: content.content, encoding: .utf8)!))
self.extractPlaylist(from: JSON(parseJSON: String(data: content.content, encoding: .utf8)!))
}
configureTransformer(pathPattern("auth/feed"), requestMethods: [.get]) { (content: Entity<JSON>) -> [Video] in

26
Model/Cache/CacheModel.swift
View File

@@ -13,18 +13,36 @@ struct CacheModel {
func clear() {
FeedCacheModel.shared.clear()
VideosCacheModel.shared.clear()
PlaylistsCacheModel.shared.clear()
}
var totalSize: Int {
(FeedCacheModel.shared.storage.totalDiskStorageSize ?? 0) +
(VideosCacheModel.shared.storage.totalDiskStorageSize ?? 0)
(VideosCacheModel.shared.storage.totalDiskStorageSize ?? 0) +
(PlaylistsCacheModel.shared.storage.totalDiskStorageSize ?? 0)
}
var totalSizeFormatted: String {
totalSizeFormatter.string(fromByteCount: Int64(totalSize))
byteCountFormatter.string(fromByteCount: Int64(totalSize))
}
private var totalSizeFormatter: ByteCountFormatter {
.init()
var dateFormatter: DateFormatter {
let formatter = DateFormatter()
formatter.dateStyle = .short
formatter.timeStyle = .medium
return formatter
}
var dateFormatterForTimeOnly: DateFormatter {
let formatter = DateFormatter()
formatter.dateStyle = .none
formatter.timeStyle = .medium
return formatter
}
var iso8601DateFormatter: ISO8601DateFormatter { .init() }
private var byteCountFormatter: ByteCountFormatter { .init() }
}

24
Model/Cache/FeedCacheModel.swift
View File

@@ -18,7 +18,7 @@ struct FeedCacheModel {
)
func storeFeed(account: Account, videos: [Video]) {
let date = iso8601DateFormatter.string(from: Date())
let date = CacheModel.shared.iso8601DateFormatter.string(from: Date())
logger.info("caching feed \(account.feedCacheKey) -- \(date)")
let feedTimeObject: JSON = ["date": date]
let videosObject: JSON = ["videos": videos.prefix(Self.limit).map { $0.json.object }]
@@ -41,7 +41,7 @@ struct FeedCacheModel {
func getFeedTime(account: Account) -> Date? {
if let json = try? storage.object(forKey: feedTimeCacheKey(account.feedCacheKey)),
let string = json.dictionaryValue["date"]?.string,
let date = iso8601DateFormatter.date(from: string)
let date = CacheModel.shared.iso8601DateFormatter.date(from: string)
{
return date
}
@@ -56,24 +56,4 @@ struct FeedCacheModel {
private func feedTimeCacheKey(_ feedCacheKey: String) -> String {
"\(feedCacheKey)-feedTime"
}
private var iso8601DateFormatter: ISO8601DateFormatter {
.init()
}
private var dateFormatter: DateFormatter {
let formatter = DateFormatter()
formatter.dateStyle = .short
formatter.timeStyle = .medium
return formatter
}
private var dateFormatterForTimeOnly: DateFormatter {
let formatter = DateFormatter()
formatter.dateStyle = .none
formatter.timeStyle = .medium
return formatter
}
}

73
Model/Cache/PlaylistsCacheModel.swift Normal file
View File

@@ -0,0 +1,73 @@
import Cache
import Foundation
import Logging
import SwiftyJSON
struct PlaylistsCacheModel {
static let shared = PlaylistsCacheModel()
static let limit = 30
let logger = Logger(label: "stream.yattee.cache.playlists")
static let diskConfig = DiskConfig(name: "playlists")
static let memoryConfig = MemoryConfig()
let storage = try! Storage<String, JSON>(
diskConfig: Self.diskConfig,
memoryConfig: Self.memoryConfig,
transformer: CacheModel.jsonTransformer
)
func storePlaylist(account: Account, playlists: [Playlist]) {
let date = CacheModel.shared.iso8601DateFormatter.string(from: Date())
logger.info("caching \(playlistCacheKey(account)) -- \(date)")
let feedTimeObject: JSON = ["date": date]
let playlistsObject: JSON = ["playlists": playlists.map { $0.json.object }]
try? storage.setObject(feedTimeObject, forKey: playlistTimeCacheKey(account))
try? storage.setObject(playlistsObject, forKey: playlistCacheKey(account))
}
func retrievePlaylists(account: Account) -> [Playlist] {
logger.info("retrieving cache for \(playlistCacheKey(account))")
if let json = try? storage.object(forKey: playlistCacheKey(account)),
let playlists = json.dictionaryValue["playlists"]
{
return playlists.arrayValue.map { Playlist.from($0) }
}
return []
}
func getPlaylistsTime(account: Account) -> Date? {
if let json = try? storage.object(forKey: playlistTimeCacheKey(account)),
let string = json.dictionaryValue["date"]?.string,
let date = CacheModel.shared.iso8601DateFormatter.date(from: string)
{
return date
}
return nil
}
func getFormattedPlaylistTime(account: Account) -> String {
if let time = getPlaylistsTime(account: account) {
let isSameDay = Calendar(identifier: .iso8601).isDate(time, inSameDayAs: Date())
let formatter = isSameDay ? CacheModel.shared.dateFormatterForTimeOnly : CacheModel.shared.dateFormatter
return formatter.string(from: time)
}
return ""
}
func clear() {
try? storage.removeAll()
}
private func playlistCacheKey(_ account: Account) -> String {
"playlists-\(account.id)"
}
private func playlistTimeCacheKey(_ account: Account) -> String {
"\(playlistCacheKey(account))-time"
}
}

18
Model/FeedModel.swift
View File

@@ -106,7 +106,7 @@ final class FeedModel: ObservableObject {
var formattedFeedTime: String {
if let feedTime {
let isSameDay = Calendar(identifier: .iso8601).isDate(feedTime, inSameDayAs: Date())
let formatter = isSameDay ? dateFormatterForTimeOnly : dateFormatter
let formatter = isSameDay ? CacheModel.shared.dateFormatterForTimeOnly : CacheModel.shared.dateFormatter
return formatter.string(from: feedTime)
}
@@ -123,22 +123,6 @@ final class FeedModel: ObservableObject {
}
}
private var dateFormatter: DateFormatter {
let formatter = DateFormatter()
formatter.dateStyle = .short
formatter.timeStyle = .medium
return formatter
}
private var dateFormatterForTimeOnly: DateFormatter {
let formatter = DateFormatter()
formatter.dateStyle = .none
formatter.timeStyle = .medium
return formatter
}
private func request(_ resource: Resource, force: Bool = false) -> Request? {
if force {
return resource.load()

37
Model/Playlist.swift
View File

@@ -23,7 +23,14 @@ struct Playlist: Identifiable, Equatable, Hashable {
var videos = [Video]()
init(id: String, title: String, visibility: Visibility, editable: Bool = true, updated: TimeInterval? = nil, videos: [Video] = []) {
init(
id: String,
title: String,
visibility: Visibility,
editable: Bool = true,
updated: TimeInterval? = nil,
videos: [Video] = []
) {
self.id = id
self.title = title
self.visibility = visibility
@@ -32,11 +39,29 @@ struct Playlist: Identifiable, Equatable, Hashable {
self.videos = videos
}
init(_ json: JSON) {
id = json["playlistId"].stringValue
title = json["title"].stringValue
visibility = json["isListed"].boolValue ? .public : .private
updated = json["updated"].doubleValue
var json: JSON {
let dateFormatter = ISO8601DateFormatter()
return [
"id": id,
"title": title,
"visibility": visibility.rawValue,
"editable": editable ? "editable" : "",
"updated": updated ?? "",
"videos": videos.map(\.json).map(\.object)
]
}
static func from(_ json: JSON) -> Self {
let dateFormatter = ISO8601DateFormatter()
return .init(
id: json["id"].stringValue,
title: json["title"].stringValue,
visibility: .init(rawValue: json["visibility"].stringValue) ?? .public,
updated: json["updated"].doubleValue,
videos: json["videos"].arrayValue.map { Video.from($0) }
)
}
static func == (lhs: Playlist, rhs: Playlist) -> Bool {

51
Model/PlaylistsModel.swift
View File

@@ -6,6 +6,7 @@ import SwiftUI
final class PlaylistsModel: ObservableObject {
static var shared = PlaylistsModel()
@Published var isLoading = false
@Published var playlists = [Playlist]()
@Published var reloadPlaylists = false
@@ -36,29 +37,49 @@ final class PlaylistsModel: ObservableObject {
}
func load(force: Bool = false, onSuccess: @escaping () -> Void = {}) {
guard accounts.app.supportsUserPlaylists, accounts.signedIn else {
guard accounts.app.supportsUserPlaylists, accounts.signedIn, let account = accounts.current else {
playlists = []
return
}
let request = force ? resource?.load() : resource?.loadIfNeeded()
loadCachedPlaylists(account)
guard !request.isNil else {
onSuccess()
return
}
DispatchQueue.main.async { [weak self] in
guard let self else { return }
let request = force ? self.resource?.load() : self.resource?.loadIfNeeded()
request?
.onSuccess { resource in
if let playlists: [Playlist] = resource.typedContent() {
self.playlists = playlists
onSuccess()
guard !request.isNil else {
onSuccess()
return
}
self.isLoading = true
request?
.onCompletion { [weak self] _ in
self?.isLoading = false
}
.onSuccess { resource in
if let playlists: [Playlist] = resource.typedContent() {
self.playlists = playlists
PlaylistsCacheModel.shared.storePlaylist(account: account, playlists: playlists)
onSuccess()
}
}
.onFailure { error in
self.playlists = []
NavigationModel.shared.presentAlert(title: "Could not refresh Playlists", message: error.userMessage)
}
}
}
private func loadCachedPlaylists(_ account: Account) {
let cache = PlaylistsCacheModel.shared.retrievePlaylists(account: account)
if !cache.isEmpty {
DispatchQueue.main.async(qos: .userInteractive) {
self.playlists = cache
}
.onFailure { error in
self.playlists = []
NavigationModel.shared.presentAlert(title: "Could not refresh Playlists", message: error.userMessage)
}
}
}
func addVideo(

26
Model/SubscribedChannelsModel.swift
View File

@@ -89,7 +89,7 @@ final class SubscribedChannelsModel: ObservableObject {
}
func storeChannels(account: Account, channels: [Channel]) {
let date = iso8601DateFormatter.string(from: Date())
let date = CacheModel.shared.iso8601DateFormatter.string(from: Date())
logger.info("caching channels \(channelsDateCacheKey(account)) -- \(date)")
let dateObject: JSON = ["date": date]
@@ -117,10 +117,6 @@ final class SubscribedChannelsModel: ObservableObject {
}
}
private var iso8601DateFormatter: ISO8601DateFormatter {
.init()
}
private func channelsCacheKey(_ account: Account) -> String {
"channels-\(account.id)"
}
@@ -132,7 +128,7 @@ final class SubscribedChannelsModel: ObservableObject {
func getFeedTime(account: Account) -> Date? {
if let json = try? storage.object(forKey: channelsDateCacheKey(account)),
let string = json.dictionaryValue["date"]?.string,
let date = iso8601DateFormatter.date(from: string)
let date = CacheModel.shared.iso8601DateFormatter.date(from: string)
{
return date
}
@@ -151,26 +147,10 @@ final class SubscribedChannelsModel: ObservableObject {
var formattedCacheTime: String {
if let feedTime {
let isSameDay = Calendar(identifier: .iso8601).isDate(feedTime, inSameDayAs: Date())
let formatter = isSameDay ? dateFormatterForTimeOnly : dateFormatter
let formatter = isSameDay ? CacheModel.shared.dateFormatterForTimeOnly : CacheModel.shared.dateFormatter
return formatter.string(from: feedTime)
}
return ""
}
private var dateFormatter: DateFormatter {
let formatter = DateFormatter()
formatter.dateStyle = .short
formatter.timeStyle = .medium
return formatter
}
private var dateFormatterForTimeOnly: DateFormatter {
let formatter = DateFormatter()
formatter.dateStyle = .none
formatter.timeStyle = .medium
return formatter
}
}