Initial version.

TINKLib/Repository/Exception/WebExceptionHelper.cs

@@ -0,0 +1,42 @@
+using System.Net;
+
+namespace TINK.Model.Repository.Exception
+{
+    public static class WebExceptionHelper
+    {
+        /// <summary> Gets if a exception is caused by an error connecting to copri (LAN or mobile data off/ not reachable, proxy, ...).</summary>
+        /// <param name="p_oException">Expection to check.</param>
+        /// <returns>True if exception if caused by an connection error. </returns>
+        public static bool GetIsConnectFailureException(this System.Exception p_oException)
+        {
+            var l_oException = p_oException as WebException;
+            if (l_oException == null)
+            {
+                return false;
+            }
+
+            return l_oException.Status == WebExceptionStatus.ConnectFailure // Happens if WLAN and mobile data is off/ Router denies internet access/ ...
+                || l_oException.Status == WebExceptionStatus.NameResolutionFailure // Happens sometimes when not WLAN and no mobil connection are available (bad connection in lift).
+                || l_oException.Status == WebExceptionStatus.ReceiveFailure; // Happened when modile was connected to WLAN
+        }
+
+        /// <summary> Gets if a exception is caused by clicking too fast.</summary>
+        /// <param name="p_oException">Expection to check.</param>
+        /// <returns>True if exception if caused by a fast click sequence. </returns>
+        public static bool GetIsForbiddenException(this System.Exception p_oException)
+        {
+            if (!(p_oException is WebException l_oException))
+            {
+                return false;
+            }
+
+            if (!(l_oException?.Response is HttpWebResponse l_oResponse))
+            {
+                return false;
+            }
+
+            return l_oException.Status == WebExceptionStatus.ProtocolError
+                && l_oResponse.StatusCode == HttpStatusCode.Forbidden;
+        }
+    }
+}