Productivity: Create templates for screens and flow root coordinators

2026-04-19 16:13:42 +02:00 · 2019-04-04 16:51:28 +02:00
parent 350d1eff41
commit 21a8e013b5
16 changed files with 873 additions and 0 deletions
@@ -0,0 +1,85 @@
+/*
+ Copyright 2019 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
+
+final class TemplateScreenViewModel: TemplateScreenViewModelType {
+    
+    // MARK: - Properties
+    
+    // MARK: Private
+
+    private let session: MXSession
+    
+    // MARK: Public
+    
+    var message: String?
+
+    weak var viewDelegate: TemplateScreenViewModelViewDelegate?
+    weak var coordinatorDelegate: TemplateScreenViewModelCoordinatorDelegate?
+    
+    // MARK: - Setup
+    
+    init(session: MXSession) {
+        self.session = session
+        self.message = nil
+    }
+    
+    deinit {
+    }
+    
+    // MARK: - Public
+    
+    func process(viewAction: TemplateScreenViewAction) {
+        switch viewAction {
+        case .sayHello:
+            self.setupHelloMessage()
+        case .complete:
+            if let message = self.message {
+            self.coordinatorDelegate?.templateScreenViewModel(self, didCompleteWithMessage: message)
+            }
+        case .cancel:
+            self.coordinatorDelegate?.templateScreenViewModelDidCancel(self)
+        }
+    }
+    
+    // MARK: - Private
+    
+    private func setupHelloMessage() {
+
+        self.update(viewState: .loading)
+
+        // Check first that the user homeserver is federated with the  Riot-bot homeserver
+        self.session.matrixRestClient.displayName(forUser: self.session.myUser.userId) { [weak self]  (response) in
+
+            guard let sself = self else {
+                return
+            }
+            
+            switch response {
+            case .success:
+                sself.message = "Hello \(response.value ?? "you")"
+                sself.update(viewState: .loaded)
+            case .failure(let error):
+                sself.update(viewState: .error(error))
+            }
+        }
+    }
+    
+    private func update(viewState: TemplateScreenViewState) {
+        self.viewDelegate?.templateScreenViewModel(self, didUpdateViewState: viewState)
+    }
+}