Create space list screen.

2026-05-02 06:06:57 +02:00 · 2021-07-01 00:07:04 +02:00
parent cfb1f9fddb
commit e747d6c1e4
13 changed files with 728 additions and 0 deletions
@@ -0,0 +1,195 @@
+// File created from ScreenTemplate
+// $ createScreen.sh Spaces/SpaceList SpaceList
+/*
+ Copyright 2020 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 UIKit
+
+final class SpaceListViewController: UIViewController {
+    
+    // MARK: - Constants
+    
+    private enum Constants {
+        static let estimatedRowHeight: CGFloat = 46.0
+    }
+    
+    // MARK: - Properties
+    
+    // MARK: Outlets
+
+    @IBOutlet weak var tableView: UITableView!
+    
+    // MARK: Private
+
+    private var viewModel: SpaceListViewModelType!
+    private var theme: Theme!
+    private var errorPresenter: MXKErrorPresentation!
+    private var activityPresenter: ActivityIndicatorPresenter!
+    
+    private var sections: [SpaceListSection] = []
+
+    // MARK: - Setup
+    
+    class func instantiate(with viewModel: SpaceListViewModelType) -> SpaceListViewController {
+        let viewController = StoryboardScene.SpaceListViewController.initialScene.instantiate()
+        viewController.viewModel = viewModel
+        viewController.theme = ThemeService.shared().theme
+        return viewController
+    }
+    
+    // MARK: - Life cycle
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        
+        // Do any additional setup after loading the view.
+        
+        self.setupViews()
+        self.activityPresenter = ActivityIndicatorPresenter()
+        self.errorPresenter = MXKErrorAlertPresentation()
+        
+        self.registerThemeServiceDidChangeThemeNotification()
+        self.update(theme: self.theme)
+        
+        self.viewModel.viewDelegate = self
+
+        self.viewModel.process(viewAction: .loadData)
+    }
+    
+    override var preferredStatusBarStyle: UIStatusBarStyle {
+        return self.theme.statusBarStyle
+    }
+    
+    // MARK: - Private
+    
+    private func update(theme: Theme) {
+        self.theme = theme
+        
+        self.view.backgroundColor = theme.colors.background
+        self.tableView.backgroundColor = theme.colors.background
+        
+        self.tableView.reloadData()
+    }
+    
+    private func registerThemeServiceDidChangeThemeNotification() {
+        NotificationCenter.default.addObserver(self, selector: #selector(themeDidChange), name: .themeServiceDidChangeTheme, object: nil)
+    }
+    
+    @objc private func themeDidChange() {
+        self.update(theme: ThemeService.shared().theme)
+    }
+    
+    private func setupViews() {
+        self.setupTableView()
+    }
+    
+    private func setupTableView() {
+        self.tableView.separatorStyle = .none
+        self.tableView.rowHeight = UITableView.automaticDimension
+        self.tableView.estimatedRowHeight = Constants.estimatedRowHeight
+        self.tableView.register(cellType: SpaceListViewCell.self)
+        self.tableView.tableFooterView = UIView()
+    }
+
+    private func render(viewState: SpaceListViewState) {
+        switch viewState {
+        case .loading:
+            self.renderLoading()
+        case .loaded(let sections):
+            self.renderLoaded(sections: sections)
+        case .error(let error):
+            self.render(error: error)
+        }
+    }
+    
+    private func renderLoading() {
+        self.activityPresenter.presentActivityIndicator(on: self.view, animated: true)
+    }
+    
+    private func renderLoaded(sections: [SpaceListSection]) {
+        self.activityPresenter.removeCurrentActivityIndicator(animated: true)
+        self.sections = sections
+        self.tableView.reloadData()
+    }
+    
+    private func render(error: Error) {
+        self.activityPresenter.removeCurrentActivityIndicator(animated: true)
+        self.errorPresenter.presentError(from: self, forError: error, animated: true, handler: nil)
+    }
+}
+
+
+// MARK: - SpaceListViewModelViewDelegate
+extension SpaceListViewController: SpaceListViewModelViewDelegate {
+
+    func spaceListViewModel(_ viewModel: SpaceListViewModelType, didUpdateViewState viewSate: SpaceListViewState) {
+        self.render(viewState: viewSate)
+    }
+}
+
+// MARK: - UITableViewDataSource
+extension SpaceListViewController: UITableViewDataSource {
+    
+    func numberOfSections(in tableView: UITableView) -> Int {
+        return self.sections.count
+    }
+    
+    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        
+        let numberOfRows: Int
+        
+        let spaceListSection = self.sections[section]
+        
+        switch spaceListSection {
+        case .home:
+            numberOfRows = 1
+        case .spaces(let viewDataList):
+            numberOfRows = viewDataList.count
+        }
+        
+        return numberOfRows
+    }
+    
+    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        let cell = tableView.dequeueReusableCell(for: indexPath, cellType: SpaceListViewCell.self)
+        
+        let viewData: SpaceListItemViewData
+        
+        let spaceListSection = self.sections[indexPath.section]
+        
+        switch spaceListSection {
+        case .home(let spaceViewData):
+            viewData = spaceViewData
+        case .spaces(let viewDataList):
+            viewData = viewDataList[indexPath.row]
+        }
+        
+        cell.update(theme: self.theme)
+        cell.fill(with: viewData)
+        cell.selectionStyle = .blue
+        
+        return cell
+    }
+}
+
+// MARK: - UITableViewDelegate
+extension SpaceListViewController: UITableViewDelegate {
+    
+    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
+        tableView.deselectRow(at: indexPath, animated: true)
+        self.viewModel.process(viewAction: .selectRow(at: indexPath))
+    }
+}