Code updated to 3.0.238

TINKLib/ViewModel/FeesAndBikes/HelpContactViewModel.cs

@@ -0,0 +1,79 @@
+using System.ComponentModel;
+using Xamarin.Forms;
+using TINK.Services.CopriApi.ServerUris;
+using System;
+
+namespace TINK.ViewModel.Contact
+{
+    public class HelpContactViewModel : INotifyPropertyChanged
+    {
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        /// <summary> Gets the platfrom specific prefix. </summary>
+        private Func<string, string> ResourceProvider { get; set; }
+
+        /// <summary> Holds value wether site caching is on or off.</summary>
+        bool IsSiteCachingOn { get; }
+
+        /// <summary> Constructs view model.</summary>
+        /// <param name="isSiteCachingOn">Set of user permissions</param>
+        /// <param name="resourceProvider">Delegate to get an an embedded html ressource. Used as fallback if download from web page does not work and cache is empty.</param>
+        public HelpContactViewModel(
+            string hostName,
+            bool isSiteCachingOn,
+            Func<string, string> resourceProvider)
+        {
+            HostName = hostName;
+            IsSiteCachingOn = isSiteCachingOn;
+            
+            ResourceProvider = resourceProvider
+                ?? throw new ArgumentException($"Can not instantiate {typeof(HelpContactViewModel)}-object. No ressource provider availalbe.");
+
+        }
+
+        /// <summary> Holds the name of the host.</summary>
+        private string HostName { get; }
+
+        /// <summary> Called when page is shown. </summary>
+        public async void OnAppearing()
+        {
+            RentBikeText = new HtmlWebViewSource
+            {
+                Html = HostName.GetIsCopri()
+                    ? ResourceProvider("HtmlResouces.V02.InfoRentBike.html")
+                    : await ViewModelHelper.GetSource($"https://{HostName}/{CopriHelper.SHAREE_SILTEFOLDERNAME}/tariff_info_1.html", IsSiteCachingOn)                
+            };
+
+            TypesOfBikesText = new HtmlWebViewSource 
+            {
+                Html = HostName.GetIsCopri()
+                    ? ResourceProvider("HtmlResouces.V02.InfoTypesOfBikes.html")
+                    : await ViewModelHelper.GetSource($"https://{HostName}/{CopriHelper.SHAREE_SILTEFOLDERNAME}/bike_info.html", IsSiteCachingOn)                 
+            };
+        }
+
+        private HtmlWebViewSource rentBikeText;
+
+        private HtmlWebViewSource typesOfBikesText;
+
+        public HtmlWebViewSource RentBikeText
+        {
+            get => rentBikeText;
+            set
+            {
+                rentBikeText = value;
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(RentBikeText)));
+            }
+        }
+
+        public HtmlWebViewSource TypesOfBikesText
+        {
+            get => typesOfBikesText;
+            set
+            {
+                typesOfBikesText = value;
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(TypesOfBikesText)));
+            }
+        }
+    }
+}