Add a UserProfileScreen for profiles of non-members. (#2687)

ElementX/Sources/Screens/UserProfileScreen/UserProfileScreenModels.swift

@@ -0,0 +1,47 @@
+//
+// Copyright 2022 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import Foundation
+
+enum UserProfileScreenViewModelAction {
+    case openDirectChat(displayName: String?)
+}
+
+struct UserProfileScreenViewState: BindableState {
+    let userID: String
+    let isOwnUser: Bool
+    
+    var userProfile: UserProfileProxy?
+    var permalink: URL?
+
+    var bindings: UserProfileScreenViewStateBindings
+}
+
+struct UserProfileScreenViewStateBindings {
+    var alertInfo: AlertInfo<UserProfileScreenError>?
+    
+    /// A media item that will be previewed with QuickLook.
+    var mediaPreviewItem: MediaPreviewItem?
+}
+
+enum UserProfileScreenViewAction {
+    case displayAvatar
+    case openDirectChat
+}
+
+enum UserProfileScreenError: Hashable {
+    case unknown
+}