Introduce a StartChatFlowCoordinator instead of handing a navigation stack to the Screen Coordinator. (#4674)

* Introduce a basic StartChatFlowCoordinator. * Move the rest of the start chat flow from the screen coordinator into the flow coordinator. * Add a UI test for the entire start chat flow. * Refactor CreateRoom… to CreateRoomScreen…
2026-11-04 01:20:12 +00:00 · 2025-10-30 16:12:56 +00:00
parent 401ff49882
commit 933891614c
68 changed files with 764 additions and 789 deletions
@@ -0,0 +1,81 @@
+//
+// Copyright 2025 Element Creations Ltd.
+// Copyright 2022-2025 New Vector Ltd.
+//
+// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+// Please see LICENSE files in the repository root for full details.
+//
+
+import Foundation
+
+enum CreateRoomScreenErrorType: Error {
+    case failedCreatingRoom
+    case failedUploadingMedia
+    case fileTooLarge
+    case mediaFileError
+    case unknown
+}
+
+enum CreateRoomScreenViewModelAction {
+    case createdRoom(JoinedRoomProxyProtocol)
+    case displayMediaPicker
+    case displayCameraPicker
+}
+
+struct CreateRoomScreenViewState: BindableState {
+    var roomName: String
+    let serverName: String
+    let isKnockingFeatureEnabled: Bool
+    var aliasLocalPart: String
+    var bindings: CreateRoomScreenViewStateBindings
+    var avatarURL: URL?
+    var canCreateRoom: Bool {
+        !roomName.isEmpty && aliasErrors.isEmpty
+    }
+
+    var aliasErrors: Set<CreateRoomScreenAliasErrorState> = []
+    var aliasErrorDescription: String? {
+        if aliasErrors.contains(.alreadyExists) {
+            L10n.errorRoomAddressAlreadyExists
+        } else if aliasErrors.contains(.invalidSymbols) {
+            L10n.errorRoomAddressInvalidSymbols
+        } else {
+            nil
+        }
+    }
+}
+
+struct CreateRoomScreenViewStateBindings {
+    var roomTopic: String
+    var isRoomPrivate: Bool
+    var isKnockingOnly: Bool
+    var showAttachmentConfirmationDialog = false
+    
+    /// Information describing the currently displayed alert.
+    var alertInfo: AlertInfo<CreateRoomScreenErrorType>?
+}
+
+enum CreateRoomScreenViewAction {
+    case createRoom
+    case displayCameraPicker
+    case displayMediaPicker
+    case removeImage
+    case updateRoomName(String)
+    case updateAliasLocalPart(String)
+}
+
+enum CreateRoomScreenAliasErrorState {
+    case alreadyExists
+    case invalidSymbols
+}
+
+extension Set<CreateRoomScreenAliasErrorState> {
+    var errorDescription: String? {
+        if contains(.alreadyExists) {
+            return L10n.errorRoomAddressAlreadyExists
+        } else if contains(.invalidSymbols) {
+            return L10n.errorRoomAddressInvalidSymbols
+        }
+        return nil
+    }
+}