122 lines
3.1 KiB
Swift
122 lines
3.1 KiB
Swift
//
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// UserSession.swift
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// ElementX
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//
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// Created by Stefan Ceriu on 14.02.2022.
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//
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import Foundation
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import MatrixRustSDK
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import Combine
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import UIKit
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enum UserSessionCallback {
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case updatedRoomsList
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}
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enum UserSessionError: Error {
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case failedRetrievingAvatar
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}
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private class WeakUserSessionWrapper: ClientDelegate {
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private weak var userSession: UserSession?
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init(userSession: UserSession) {
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self.userSession = userSession
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}
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func didReceiveSyncUpdate() {
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DispatchQueue.main.async {
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self.userSession?.didReceiveSyncUpdate()
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}
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}
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}
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class UserSession: ClientDelegate {
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private let client: Client
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private var rooms: [RoomProxy] = [] {
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didSet {
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self.callbacks.send(.updatedRoomsList)
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}
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}
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deinit {
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client.setDelegate(delegate: nil)
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}
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let callbacks = PassthroughSubject<UserSessionCallback, Never>()
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init(client: Client) {
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self.client = client
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client.setDelegate(delegate: WeakUserSessionWrapper(userSession: self))
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client.startSync()
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}
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var userIdentifier: String {
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do {
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return try client.userId()
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} catch {
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MXLog.error("Failed retrieving room info with error: \(error)")
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return "Unknown user identifier"
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}
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}
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var userDisplayName: String? {
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do {
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return try client.displayName()
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} catch {
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MXLog.error("Failed retrieving room info with error: \(error)")
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return nil
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}
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}
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func loadUserAvatar(_ completion: @escaping (Result<UIImage?, Error>) -> Void) {
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DispatchQueue.global(qos: .background).async {
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do {
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let avatarData = try self.client.avatar()
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DispatchQueue.main.async {
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completion(.success(UIImage(data: Data(bytes: avatarData, count: avatarData.count))))
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}
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} catch {
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MXLog.error("Failed retrieving room name with error: \(error)")
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DispatchQueue.main.async {
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completion(.failure(UserSessionError.failedRetrievingAvatar))
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}
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}
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}
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}
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func getRoomList(_ completion: @escaping ([RoomProxyProtocol]) -> Void) {
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fetchRoomList(completion)
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}
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// MARK: ClientDelegate
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func didReceiveSyncUpdate() {
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fetchRoomList { [weak self] rooms in
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guard let self = self else { return }
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if self.rooms != rooms {
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self.rooms = rooms
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}
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}
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client.setDelegate(delegate: nil)
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}
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// MARK: Private
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func fetchRoomList(_ completion: @escaping ([RoomProxy]) -> Void) {
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DispatchQueue.global(qos: .background).async {
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let rooms = self.client.conversations().map {
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return RoomProxy(room: $0, messageFactory: RoomMessageFactory())
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}
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DispatchQueue.main.async {
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completion(rooms)
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}
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}
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}
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}
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