Version 3.0.381

SharedBusinessLogic/ViewModel/WhatsNew/Gtc/GtcViewModel.cs

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+using System;
+using System.ComponentModel;
+using System.Threading.Tasks;
+using System.Windows.Input;
+using ShareeBike.View;
+using ShareeBike.ViewModel.LegalInformation;
+using Xamarin.Forms;
+
+namespace ShareeBike.ViewModel.WhatsNew.Gtc
+{
+	public class GtcViewModel : INotifyPropertyChanged
+	{
+		/// <summary> Fired whenever a property changed.</summary>
+		public event PropertyChangedEventHandler PropertyChanged;
+
+		/// <summary> Holds the name of the host.</summary>
+		private string HostName { get; }
+
+		/// <summary> Holds value whether site caching is on or off.</summary>
+		bool IsSiteCachingOn { get; }
+
+		/// <summary> Constructs AGB view model</summary>
+		/// <param name="isSiteCachingOn">Holds value whether site caching is on or off.</param>
+		/// <param name="uiIsoLangugageName">Two letter ISO language name.</param>
+		/// <param name="resourceProvider">Delegate to get embedded html resource. Used as fallback if download from web page does not work and cache is empty.</param>
+		/// <param name="viewService">View service to close page.</param>
+		public GtcViewModel(
+			string hostName,
+			bool isSiteCachingOn,
+			Func<string, string> resourceProvider,
+			IViewService viewService)
+		{
+			HostName = hostName;
+			IsSiteCachingOn = isSiteCachingOn;
+
+			ViewService = viewService
+				?? throw new ArgumentException($"Can not instantiate {typeof(WhatsNewViewModel)}-object. No view available.");
+
+			ResourceProvider = resourceProvider
+				?? throw new ArgumentException($"Can not instantiate {typeof(WhatsNewViewModel)}-object. No resource provider centered.");
+		}
+
+		/// <summary> Gets the platfrom specific prefix. </summary>
+		private Func<string, string> ResourceProvider { get; set; }
+
+		/// <summary> Agb information text.</summary>
+		private HtmlWebViewSource gtcHtml;
+
+		/// <summary> Agb information text.</summary>
+		public HtmlWebViewSource GtcHtml
+		{
+			get => gtcHtml;
+			set
+			{
+				gtcHtml = value;
+				PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(GtcHtml)));
+			}
+		}
+
+		/// <summary> Called when page is shown. </summary>
+		public async Task OnAppearing()
+		{
+			GtcHtml = await LegalInformationPageViewModel.GetGtc(HostName, "agbResourcePath", IsSiteCachingOn);
+		}
+
+		/// <summary> User clicks OK button.</summary>
+		public ICommand OnOk
+		{
+			get
+			{
+				return new Command(async () => await ViewService.PopModalAsync());
+			}
+		}
+
+		/// <summary> Reference to view service object.</summary>
+		private IViewService ViewService;
+	}
+}