#1098 - Stopped relying on the SDK in the suggestionService and added unit and ui tests.

2026-04-20 16:42:44 +02:00 · 2021-10-06 14:42:48 +03:00
parent 9724409fc0
commit af4b5dc1aa
11 changed files with 294 additions and 268 deletions
@@ -0,0 +1,107 @@
+// File created from SimpleUserProfileExample
+// $ createScreen.sh Room/UserSuggestion UserSuggestion
+// 
+// Copyright 2021 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
+import Combine
+
+@available(iOS 14.0, *)
+struct RoomMembersProviderMember {
+    var identifier: String
+    var displayName: String
+    var avatarURL: String
+}
+
+@available(iOS 14.0, *)
+protocol RoomMembersProviderProtocol {
+    func fetchMembers(_ members: @escaping ([RoomMembersProviderMember]) -> Void)
+}
+
+@available(iOS 14.0, *)
+struct UserSuggestionServiceItem: UserSuggestionItemProtocol {
+    let userId: String
+    let displayName: String?
+    let avatarUrl: String?
+}
+
+@available(iOS 14.0, *)
+class UserSuggestionService: UserSuggestionServiceProtocol {
+    
+    // MARK: - Properties
+    
+    // MARK: Private
+    
+    private let roomMembersProvider: RoomMembersProviderProtocol
+    
+    private var suggestionItems: [UserSuggestionItemProtocol] = []
+    
+    // MARK: Public
+    
+    var items: CurrentValueSubject<[UserSuggestionItemProtocol], Never>
+    var currentTextTrigger: String?
+    
+    // MARK: - Setup
+    
+    init(roomMembersProvider: RoomMembersProviderProtocol) {
+        self.roomMembersProvider = roomMembersProvider
+        self.items = CurrentValueSubject([])
+    }
+    
+    // MARK: - UserSuggestionServiceProtocol
+    
+    func processTextMessage(_ textMessage: String) {
+        roomMembersProvider.fetchMembers { [weak self] members in
+            guard let self = self else {
+                return
+            }
+            
+            self.suggestionItems = members.map { member in
+                UserSuggestionServiceItem(userId: member.identifier, displayName: member.displayName, avatarUrl: member.avatarURL)
+            }
+            
+            self.items.send([])
+            self.currentTextTrigger = nil
+            
+            guard textMessage.count > 0 else {
+                return
+            }
+            
+            let components = textMessage.components(separatedBy: .whitespaces)
+            
+            guard let lastComponent = components.last else {
+                return
+            }
+            
+            // Partial username should start with one and only one "@" character
+            guard lastComponent.prefix(while: { character in character == "@" }).count == 1 else {
+                return
+            }
+            
+            self.currentTextTrigger = lastComponent
+            
+            var partialName = lastComponent
+            partialName.removeFirst()
+            
+            self.items.send(self.suggestionItems.filter({ userSuggestion in
+                let containedInUsername = userSuggestion.userId.lowercased().range(of: partialName.lowercased()) != .none
+                let containedInDisplayName = (userSuggestion.displayName ?? "").lowercased().range(of: partialName.lowercased()) != .none
+                
+                return (containedInUsername || containedInDisplayName)
+            }))
+        }
+    }
+}