#1098 - Generated UserSuggestion from template, got initial UI working and automatically updating.

RiotSwiftUI/Modules/Room/UserSuggestion/View/UserSuggestionList.swift

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+// 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 SwiftUI
+
+@available(iOS 14.0, *)
+struct UserSuggestionList: View {
+
+    // MARK: - Properties
+    
+    // MARK: Private
+    
+    @Environment(\.theme) private var theme: ThemeSwiftUI
+    
+    // MARK: Public
+    
+    @ObservedObject var viewModel: UserSuggestionViewModel.Context
+    let rowHeight: CGFloat = 60.0
+    let maxHeight: CGFloat = 300.0
+    
+    var body: some View {
+        BackgroundView {
+            ScrollViewReader { scrollViewReader in
+                List(viewModel.viewState.items) { item in
+                    UserSuggestionListItem(
+                        avatar: item.avatar,
+                        displayName: item.displayName,
+                        userId: item.id
+                    )
+                    .padding([.top, .bottom], 4.0)
+                    .onTapGesture {
+                        viewModel.send(viewAction: .selectedItem(item))
+                    }
+                }
+                .environment(\.defaultMinListRowHeight, rowHeight)
+                .frame(height: min(maxHeight, rowHeight * CGFloat(viewModel.viewState.items.count)))
+                .onAppear(perform: {
+                    guard let lastItemId = viewModel.viewState.items.last?.id else {
+                        return
+                    }
+                    
+                    scrollViewReader.scrollTo(lastItemId)
+                })
+            }
+        }
+    }
+}
+
+@available(iOS 14.0, *)
+private struct BackgroundView<Content: View>: View {
+    
+    var content: () -> Content
+    
+    @Environment(\.theme) private var theme: ThemeSwiftUI
+    
+    init(@ViewBuilder content: @escaping () -> Content) {
+        self.content = content
+    }
+    
+    var body: some View {
+        VStack(content: content)
+            .background(theme.colors.background)
+            .clipShape(RoundedCornerShape(radius: 20.0, corners: [.topLeft, .topRight]))
+            .shadow(color: .black.opacity(0.20), radius: 20.0, x: 0.0, y: 3.0)
+            .edgesIgnoringSafeArea(.all)
+    }
+}
+
+// MARK: - Previews
+
+@available(iOS 14.0, *)
+struct UserSuggestion_Previews: PreviewProvider {
+    static let stateRenderer = MockUserSuggestionScreenState.stateRenderer
+    static var previews: some View {
+        stateRenderer.screenGroup()
+    }
+}

RiotSwiftUI/Modules/Room/UserSuggestion/View/UserSuggestionListItem.swift

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+// 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 SwiftUI
+
+@available(iOS 14.0, *)
+struct UserSuggestionListItem: View {
+    
+    // MARK: - Properties
+    
+    // MARK: Private
+    @Environment(\.theme) private var theme: ThemeSwiftUI
+    
+    // MARK: Public
+    let avatar: AvatarInputProtocol?
+    let displayName: String?
+    let userId: String
+    
+    var body: some View {
+        HStack {
+            if let avatar = avatar {
+                AvatarImage(avatarData: avatar, size: .medium)
+            }
+            VStack(alignment:.leading) {
+                Text(displayName ?? "")
+                    .font(theme.fonts.body)
+                    .foregroundColor(theme.colors.primaryContent)
+                    .accessibility(identifier: "displayNameText")
+                    .lineLimit(1)
+                Text(userId)
+                    .font(theme.fonts.footnote)
+                    .foregroundColor(theme.colors.tertiaryContent)
+                    .accessibility(identifier: "userIdText")
+                    .lineLimit(1)
+            }
+        }
+    }
+}
+
+// MARK: - Previews
+
+@available(iOS 14.0, *)
+struct UserSuggestionHeader_Previews: PreviewProvider {
+    static var previews: some View {
+        UserSuggestionListItem(avatar: MockAvatarInput.example, displayName: "Alice", userId: "@alice:matrix.org")
+            .addDependency(MockAvatarService.example)
+    }
+}

RiotSwiftUI/Modules/Room/UserSuggestion/View/UserSuggestionListWithInput.swift

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+// 
+// 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 SwiftUI
+
+@available(iOS 14.0, *)
+struct UserSuggestionListWithInputViewModel {
+    let listViewModel: UserSuggestionViewModelProtocol
+    let callback: (String)->()
+}
+
+@available(iOS 14.0, *)
+struct UserSuggestionListWithInput: View {
+    
+    // MARK: - Properties
+    
+    // MARK: Private
+    
+    // MARK: Public
+    
+    var viewModel: UserSuggestionListWithInputViewModel
+    @State private var inputText: String = ""
+
+    var body: some View {
+        VStack(spacing: 0.0) {
+            UserSuggestionList(viewModel: viewModel.listViewModel.context)
+            TextField("Search for user", text: $inputText)
+                .background(Color.white)
+                .onChange(of: inputText, perform: { value in
+                    viewModel.callback(value)
+                })
+                .border(Color.black)
+                .padding([.leading, .trailing])
+        }
+    }
+}
+
+// MARK: - Previews
+
+@available(iOS 14.0, *)
+struct UserSuggestionListWithInput_Previews: PreviewProvider {
+    static let stateRenderer = MockUserSuggestionScreenState.stateRenderer
+    static var previews: some View {
+        stateRenderer.screenGroup()
+    }
+}