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Loading images and user avatars.

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This commit is contained in:
Stefan Ceriu
2022-03-17 18:09:29 +02:00
parent 30378ae6a9
commit 120bcaf012
31 changed files with 542 additions and 207 deletions
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ElementX/Sources/Screens/HomeScreen/HomeScreenViewModel.swift
+8 -32
View File
@@ -16,7 +16,6 @@
import SwiftUI
import Combine
import Kingfisher
@available(iOS 14, *)
typealias HomeScreenViewModelType = StateStoreViewModel<HomeScreenViewState,
@@ -25,21 +24,21 @@ typealias HomeScreenViewModelType = StateStoreViewModel<HomeScreenViewState,
@available(iOS 14, *)
class HomeScreenViewModel: HomeScreenViewModelType, HomeScreenViewModelProtocol {
private let mediaProvider: MediaProviderProtocol
private var roomUpdateListeners = Set<AnyCancellable>()
private var roomList: [RoomProxyProtocol]? {
didSet {
self.state.isLoadingRooms = (roomList?.count ?? 0 == 0)
}
}
private let imageCache: ImageCache
var completion: ((HomeScreenViewModelResult) -> Void)?
// MARK: - Setup
init(userDisplayName: String, imageCache: Kingfisher.ImageCache) {
self.imageCache = imageCache
init(userDisplayName: String, mediaProvider: MediaProviderProtocol) {
self.mediaProvider = mediaProvider
super.init(initialViewState: HomeScreenViewState(userDisplayName: userDisplayName, isLoadingRooms: true))
}
@@ -94,37 +93,14 @@ class HomeScreenViewModel: HomeScreenViewModelType, HomeScreenViewModelProtocol
private func loadAvatarForRoomWithIdentifier(_ roomIdentifier: String) {
guard let room = roomList?.filter({ $0.id == roomIdentifier }).first,
let cacheKey = room.avatarURL?.path else {
let avatarURLString = room.avatarURL else {
return
}
if imageCache.isCached(forKey: cacheKey) {
imageCache.retrieveImage(forKey: cacheKey) { [weak self] result in
guard let self = self else { return }
switch result {
case .success(let value):
self.updateAvatar(value.image, forRoomWithIdentifier: roomIdentifier)
case .failure(let error):
MXLog.error("Failed retrieving avatar from cache with error: \(error)")
}
}
return
}
room.loadAvatar { [weak self] result in
mediaProvider.loadImageFromURL(avatarURLString) { [weak self] result in
guard let self = self else { return }
switch result {
case .success(let avatar):
guard let avatar = avatar else {
return
}
self.imageCache.store(avatar, forKey: cacheKey)
self.updateAvatar(avatar, forRoomWithIdentifier: roomIdentifier)
default:
break
if case let .success(image) = result {
self.updateAvatar(image, forRoomWithIdentifier: roomIdentifier)
}
}
}