mirror of
https://dev.azure.com/TeilRad/sharee.bike%20App/_git/Code
synced 2024-05-09 11:37:15 +02:00
294 lines
12 KiB
C#
294 lines
12 KiB
C#
using MonkeyCache.FileStore;
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using Serilog;
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using System;
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using System.Threading.Tasks;
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using TINK.Repository.Exception;
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using TINK.Model.Device;
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using TINK.Model.State;
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using TINK.Model.Station;
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using TINK.Model.User;
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using Xamarin.Forms;
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using TINK.Model.Bikes.Bike.BC;
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using TINK.Repository;
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using System.Net;
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using TINK.MultilingualResources;
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using System.Linq;
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namespace TINK.ViewModel
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{
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public static class ViewModelHelper
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{
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/// <summary> First part of text making up a station name.</summary>
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private const string USER_FIENDLY_STATIONNUMBER_PREFIX = "Station";
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/// <summary>Holds the color which marks link to TINK- app pages, web sites, ...</summary>
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public static Color LINK_COLOR = Color.Blue;
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/// <summary>
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/// Gets station name from station object.
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/// </summary>
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/// <param name="station">Station to get id from</param>
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/// <returns></returns>
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public static string GetStationName(this IStation station)
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{
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if (station == null)
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{
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return string.Empty;
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}
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if (!string.IsNullOrEmpty(station.StationName))
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{
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return $"{station.StationName}, Nr. {station.Id}.";
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}
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return GetStationName(station.Id);
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}
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/// <summary>
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/// Gets station name from station object.
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/// </summary>
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/// <param name="p_oStation">Station to get id from</param>
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/// <returns></returns>
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public static string GetStationName(string station)
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{
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return string.Format("{0} {1}", USER_FIENDLY_STATIONNUMBER_PREFIX, station);
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}
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/// <summary>
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/// Gets station id from station name.
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/// </summary>
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/// <param name="p_oStation">Station to get id from</param>
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/// <returns></returns>
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public static int GetStationId(string stationName)
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{
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return int.Parse(stationName.Replace(USER_FIENDLY_STATIONNUMBER_PREFIX, "").Trim());
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}
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/// <summary> Get full display name of a bike which includes id. </summary>
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/// <remarks>
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/// If name is empty return Id as name.
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/// </remarks>
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/// <param name="bike">bike to get name for.</param>
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/// <returns>Display name of bike.</returns>
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public static string GetFullDisplayName(this IBikeInfoMutable bike)
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=> $"{(!string.IsNullOrEmpty(bike.Description) ? $"{bike.Description}, " : string.Empty)}Nr. {bike.Id}";
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/// <summary> Get the display name of a bike. </summary>
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/// <param name="bike">bike to get name for.</param>
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/// <returns>Display name of bike.</returns>
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public static string GetDisplayName(this IBikeInfoMutable bike)
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=> $"{(!string.IsNullOrEmpty(bike.Description) ? $"{bike.Description}" : $"{bike.Id}")}";
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/// <summary> Get the display id of a bike.</summary>
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/// <remarks>
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/// If name is empty id is used as name. For this reason return nothing in this case to avoid duplicate output of id.
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/// </remarks>
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/// <param name="bike">bike to get name for.</param>
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/// <returns>Display name of bike.</returns>
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public static string GetDisplayId(this IBikeInfoMutable bike)
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=> $"{(!string.IsNullOrEmpty(bike.Description) ? $"{bike.Id}" : string.Empty)}";
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/// <summary>
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/// Maps state to color.
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/// </summary>
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/// <param name="state"></param>
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/// <returns></returns>
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public static Color GetColor(this InUseStateEnum state)
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{
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switch (state)
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{
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case InUseStateEnum.Disposable:
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return Color.Default;
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case InUseStateEnum.Reserved:
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return Color.Orange;
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case InUseStateEnum.Booked:
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return Color.Green;
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default:
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return Color.Default;
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}
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}
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/// <summary> Gets message that logged in user has not booked any bikes. </summary>
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public static string GetShortErrorInfoText(this Exception exception)
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{
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if (exception == null)
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{
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return string.Empty;
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}
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// An error occurred getting bikes information.
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#if USCSHARP9
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switch (exception)
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{
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case WebConnectFailureException:
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return AppResources.ActivityTextErrorWebConnectFailureException;
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case InvalidResponseException:
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return AppResources.ActivityTextErrorInvalidResponseException;
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case WebForbiddenException:
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return AppResources.ActivityTextErrorWebForbiddenException;
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case DeserializationException:
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return AppResources.ActivityTextErrorDeserializationException;
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case WebException webException:
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return webException.Status == WebExceptionStatus.ProtocolError && webException.Response is HttpWebResponse webResponse
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? string.Format(AppResources.ActivityTextErrorWebExceptionProtocolError, webResponse.StatusDescription)
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: string.Format(AppResources.ActivityTextErrorWebExceptionGeneralError, webException.Status.ToString());
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default:
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return AppResources.ActivityTextErrorException;
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}
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#else
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if (exception is WebConnectFailureException)
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return AppResources.ActivityTextErrorWebConnectFailureException;
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if (exception is InvalidResponseException)
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return AppResources.ActivityTextErrorInvalidResponseException;
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if (exception is WebForbiddenException)
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return AppResources.ActivityTextErrorWebForbiddenException;
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if (exception is DeserializationException)
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return AppResources.ActivityTextErrorDeserializationException;
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if (exception is WebException webException)
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{
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return webException.Status == WebExceptionStatus.ProtocolError && webException.Response is HttpWebResponse webResponse
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? string.Format(AppResources.ActivityTextErrorWebExceptionProtocolError, webResponse.StatusDescription)
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: string.Format(AppResources.ActivityTextErrorWebExceptionGeneralError, webException.Status.ToString());
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}
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return AppResources.ActivityTextErrorException;
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#endif
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}
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/// <summary> Gets error message and handles aggegate exceptions. </summary>
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public static string GetErrorMessage(this Exception exception)
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{
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if (exception == null)
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return string.Empty;
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if (!(exception is AggregateException aggregateException))
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return exception.Message;
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if (aggregateException.InnerExceptions.Count == 1)
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return aggregateException.InnerExceptions[0].Message;
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return new AggregateException().Message + "\r\n"+ string.Join("\r\n", aggregateException.InnerExceptions.Select(x => x.Message));
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}
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/// <summary> Gets message that logged in user has not booked any bikes. </summary>
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public static FormattedString GetErrorInfoText(this Exception exception)
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{
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if (exception == null)
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{
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return string.Empty;
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}
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FormattedString l_oError;
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// An error occurred getting bikes information.
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if (exception is WebConnectFailureException)
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{
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l_oError = new FormattedString();
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l_oError.Spans.Add(new Span { Text = "Information!\r\n", FontAttributes = FontAttributes.Bold });
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l_oError.Spans.Add(new Span { Text = $"{exception.Message}\r\n{WebConnectFailureException.GetHintToPossibleExceptionsReasons}" });
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return l_oError;
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}
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else if (exception is InvalidResponseException)
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{
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l_oError = new FormattedString();
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l_oError.Spans.Add(new Span { Text = "Fehler, ungültige Serverantwort!\r\n", FontAttributes = FontAttributes.Bold });
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l_oError.Spans.Add(new Span { Text = $"{exception.Message}" });
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return l_oError;
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}
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else if (exception is WebForbiddenException)
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{
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l_oError = new FormattedString();
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l_oError.Spans.Add(new Span { Text = "Beschäftigt... Einen Moment bitte!" });
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return l_oError;
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}
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l_oError = new FormattedString();
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l_oError.Spans.Add(new Span { Text = "Allgemeiner Fehler!\r\n", FontAttributes = FontAttributes.Bold });
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l_oError.Spans.Add(new Span { Text = $"{exception}" });
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return l_oError;
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}
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/// <summary> User tabbed a URI. </summary>
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/// <param name="sender">Sender of the event.</param>
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/// <param name="eventArgs">Event arguments</param>
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public static void OnNavigating(object sender, WebNavigatingEventArgs eventArgs)
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{
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if (!eventArgs.Url.ToUpper().StartsWith("HTTP"))
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{
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// An internal link was detected.
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// Stay inside WebView
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eventArgs.Cancel = false;
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return;
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}
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// Do not navigate outside the document.
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eventArgs.Cancel = true;
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DependencyService.Get<IExternalBrowserService>().OpenUrl(eventArgs.Url);
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}
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/// <summary> Gets the user group if a user friendly name.</summary>
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/// <param name="user"></param>
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/// <returns></returns>
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public static string GetUserGroupDisplayName(this User user)
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{
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return string.Join(" & ", user.Group);
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}
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/// <summary> Called when page is shown. </summary>
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/// <param name="resourceUrl">Url to load data from.</param>
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/// <param name="isSiteCachingOn">Holds value wether site caching is on or off.</param>
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/// <param name="resourceProvider"> Provides resource from embedded ressources.</param>
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public static async Task<string> GetSource(
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string resourceUrl,
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bool isSiteCachingOn,
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Func<string> resourceProvider = null)
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{
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if (!Barrel.Current.IsExpired(resourceUrl) && isSiteCachingOn)
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{
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// Cached html is still valid and caching is on.
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return Barrel.Current.Get<string>(resourceUrl);
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}
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string htmlContent = string.Empty;
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try
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{
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// Get info from web server.
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htmlContent = await CopriCallsHttps.Get(resourceUrl);
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}
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catch (Exception l_oException)
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{
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// Getting html failed.
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Log.Error($"Requesting {resourceUrl} failed. {l_oException.Message}");
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}
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switch (string.IsNullOrEmpty(htmlContent))
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{
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case true:
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// An error occurred getting resource from web
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htmlContent = Barrel.Current.Exists(resourceUrl)
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? Barrel.Current.Get<string>(key: resourceUrl) // Get from MonkeyCache
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: resourceProvider != null ? resourceProvider() : $"<DOCTYPE html>Error loading {resourceUrl}."; // Get build in ressource.
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break;
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default:
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// Add resource to cache.
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Barrel.Current.Add(key: resourceUrl, data: htmlContent, expireIn: isSiteCachingOn ? TimeSpan.FromDays(1) : TimeSpan.FromMilliseconds(1) );
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break;
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}
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return htmlContent ?? string.Format("<!DOCTYPE html><html lang=\"de\"><body>An error occurred loading html- ressource.</body>");
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}
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}
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}
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