Added logout option, room list on home screen, made various methods asynchronous,

ElementX/Sources/Modules/Models/MockRoomModel.swift

@@ -0,0 +1,29 @@
+//
+//  MockRoomModel.swift
+//  ElementX
+//
+//  Created by Stefan Ceriu on 17.02.2022.
+//
+
+import Foundation
+import UIKit
+
+struct MockRoomModel: RoomModelProtocol {
+    let identifier = UUID().uuidString
+    let name: String? = nil
+    let displayName: String
+    
+    let topic: String? = nil
+    let lastMessage: String? = "Last message" 
+    
+    let avatarURL: URL? = nil
+    
+    let isDirect = Bool.random()
+    let isSpace = Bool.random()
+    let isPublic = Bool.random()
+    let isEncrypted = Bool.random()
+    
+    func getAvatar(_ completion: (Result<UIImage?, Error>) -> Void) {
+        completion(.success(UIImage(systemName: "wand.and.stars")))
+    }
+}

ElementX/Sources/Modules/Models/RoomModel.swift

@@ -7,7 +7,86 @@
 
 import Foundation
 import UIKit
+import MatrixRustSDK
 
-struct RoomModel {
-    let displayName: String
+enum RoomModelError: Error {
+    case failedRetrievingAvatar
+}
+
+struct RoomModel: RoomModelProtocol {
+    
+    private let room: Room
+    
+    init(room: Room) {
+        self.room = room
+    }
+    
+    var identifier: String {
+        return room.identifier()
+    }
+    
+    var isDirect: Bool {
+        return room.isDirect()
+    }
+    
+    var isPublic: Bool {
+        return room.isPublic()
+    }
+    
+    var isSpace: Bool {
+        return room.isSpace()
+    }
+    
+    var isEncrypted: Bool {
+        return room.isEncrypted()
+    }
+    
+    var name: String? {
+        return room.name()
+    }
+    
+    var displayName: String {
+        do {
+            return try room.displayName()
+        } catch {
+            MXLog.error("Failed retrieving room name with error: \(error)")
+            return "Error"
+        }
+    }
+    
+    var topic: String? {
+        return room.topic()
+    }
+    
+    var lastMessage: String? {
+        guard let lastMessage = try? room.messages().last else {
+            return "Last message unknown"
+        }
+        
+        return  "\(lastMessage.sender()): \(lastMessage.content())"
+    }
+    
+    var avatarURL: URL? {
+        guard let urlString = room.avatarUrl() else {
+            return nil
+        }
+        
+        return URL(string: urlString)
+    }
+    
+    func getAvatar(_ completion: @escaping (Result<UIImage?, Error>) -> Void) {
+        DispatchQueue.global(qos: .background).async {
+            do {
+                let avatarData = try room.avatar()
+                
+                DispatchQueue.main.async {
+                    completion(.success(UIImage(data: Data(bytes: avatarData, count: avatarData.count))))
+                }
+            } catch {
+                DispatchQueue.main.async {
+                    completion(.failure(RoomModelError.failedRetrievingAvatar))
+                }
+            }
+        }
+    }
 }

ElementX/Sources/Modules/Models/RoomModelProtocol.swift

@@ -0,0 +1,26 @@
+//
+//  RoomModelProtocol.swift
+//  ElementX
+//
+//  Created by Stefan Ceriu on 17.02.2022.
+//
+
+import UIKit
+
+protocol RoomModelProtocol {
+    var identifier: String { get }
+    var isDirect: Bool { get }
+    var isPublic: Bool { get }
+    var isSpace: Bool { get }
+    var isEncrypted: Bool { get }
+    
+    var displayName: String { get }
+    var name: String? { get }
+    
+    var topic: String? { get }
+    var lastMessage: String? { get }
+    
+    var avatarURL: URL? { get }
+    
+    func getAvatar(_ completion: @escaping (Result<UIImage?, Error>) -> Void)
+}