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https://dev.azure.com/TeilRad/sharee.bike%20App/_git/Code
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Version 3.0.381
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Anja
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1525 changed files with 60589 additions and 125098 deletions
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using System;
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using System.ComponentModel;
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using System.Threading.Tasks;
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using Serilog;
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using ShareeBike.Model;
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using ShareeBike.Model.Device;
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using ShareeBike.Model.Services.CopriApi;
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using Xamarin.Essentials;
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using Xamarin.Forms;
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using ShareeBike.Model.Connector;
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using ShareeBike.ViewModel.Contact;
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namespace ShareeBike.ViewModel.LegalInformation
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{
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/// <summary> Manges the tabbed info page. </summary>
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public class LegalInformationPageViewModel : INotifyPropertyChanged
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{
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/// <summary> Fired whenever a property changed.</summary>
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public event PropertyChangedEventHandler PropertyChanged;
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/// <summary> Holds the name of the host.</summary>
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private string HostName { get; }
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/// <summary> Holds value whether site caching is on or off.</summary>
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bool IsSiteCachingOn { get; }
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/// <summary>
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/// Relative path to agb resources of empty if value was not yet querried from backend.
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/// </summary>
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private string GtcResourcePath { get; set; }
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/// <summary>
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/// Relative path to privacy resources of empty if value was not yet querried from backend.
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/// </summary>
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private string PrivacyResourcePath { get; set; }
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/// <summary>
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/// Relative path to impress resources of empty if value was not yet querried from backend.
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/// </summary>
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private string ImpressResourcePath { get; set; }
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private bool _IsIdle = false;
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/// <summary>
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/// Is true if no action is pending, false otherwise.
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/// </summary>
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public bool IsIdle
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{
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get => _IsIdle;
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private set
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{
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if (_IsIdle == value)
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{
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// Nothing to do.
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return;
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}
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_IsIdle = value;
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PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(IsIdle)));
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return;
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}
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}
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/// <summary>
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/// Object to query resources urls object from backend if required.
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/// This object is used to update resources path values <see cref="GtcResourcePath"/>, <see cref="PrivacyResourcePath"/> and <see cref="ImpressResourcePath"/> from.
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/// </summary>
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private Func<IQuery> QueryProvider { get; }
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/// <summary>
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/// Action to update shared resources urls object exposed by main model.
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/// </summary>
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private Action<IResourceUrls> UpdateUrlsAction { get; }
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/// <summary> Constructs Info view model</summary>
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/// <param name="hostName">Name of the host to get html resources from.</param>
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/// <param name="isSiteCachingOn">Holds value whether site caching is on or off.</param>
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/// <param name="gtcResourcePath"> Agb resource path received from backend.</param>
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/// <param name="privacyResourcePath"> PrivacyHtml resource path received from backend.</param>
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/// <param name="impressResourcePath"> ImpressHtml resource path received from backend.</param>
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/// <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>
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/// <param name="queryProvider">Object to query resources urls object from backend if required.</param>
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/// <param name="updateUrlsAction">Action to update shared resources urls object</param>
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public LegalInformationPageViewModel(
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string hostName,
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string gtcResourcePath,
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string privacyResourcePath,
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string impressResourcePath,
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bool isSiteCachingOn,
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Func<string, string> resourceProvider,
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Func<IQuery> queryProvider,
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Action<IResourceUrls> updateUrlsAction)
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{
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HostName = hostName;
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GtcResourcePath = gtcResourcePath;
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PrivacyResourcePath = privacyResourcePath;
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ImpressResourcePath = impressResourcePath;
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IsSiteCachingOn = isSiteCachingOn;
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QueryProvider = queryProvider;
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UpdateUrlsAction = updateUrlsAction;
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GtcHtml = new HtmlWebViewSource { Html = "<html>Loading...</html>" };
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ResourceProvider = resourceProvider
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?? throw new ArgumentException($"Can not instantiate {typeof(LegalInformationPageViewModel)}-object. No resource provider centered.");
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}
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// Get resource urls object from backend.
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public async Task<IResourceUrls> GetUrls()
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{
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Result<StationsAndBikesContainer> stations;
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try
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{
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stations = await QueryProvider().GetBikesAndStationsAsync();
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}
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catch (Exception ex)
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{
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Log.ForContext<LegalInformationPageViewModel>().Error($"Getting resource urls from COPRI failed. {ex.Message}");
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return new ResourceUrls();
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}
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return stations?.GeneralData?.ResourceUrls ?? new ResourceUrls();
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}
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/// <summary> Called when page is shown. </summary>
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public async void OnAppearing()
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{
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// Set state to busy.
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IsIdle = false;
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// Check if urls to show info from are already known.
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if (string.IsNullOrEmpty(PrivacyResourcePath))
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{
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var urls = await GetUrls();
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PrivacyResourcePath = urls.PrivacyResourcePath;
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ImpressResourcePath = urls.ImpressResourcePath;
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GtcResourcePath = urls.GtcResourcePath;
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UpdateUrlsAction(urls); // Update main model to prevent duplicate queries.
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}
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//set font size for html content (necessary for iOS)
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string headerString = "<header><meta name='viewport' content='width=device-width, intial-scale=2.0, maximum-scale=5.0, minimum-scale=1.0, user-scalable=no'></header>";
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// Gets privacy info from server.
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async Task<HtmlWebViewSource> GetPrivacy()
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{
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string GetUriText()
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=> $"https://{HostName}/{PrivacyResourcePath}";
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if (string.IsNullOrEmpty(PrivacyResourcePath))
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{
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// Information to access resource is missing
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return new HtmlWebViewSource
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{
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Html = headerString + await Task.FromResult(ViewModelHelper.FromBody("No privacy resource available. Resource path is null or empty."))
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};
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}
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Log.Debug($"Request to open url {GetUriText()} to get privacy info.");
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return new HtmlWebViewSource
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{
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Html = headerString + await ViewModelHelper.GetSource(
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GetUriText(), // "site/privacy.html"
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IsSiteCachingOn)
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};
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}
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// Gets impress info from server.
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async Task<HtmlWebViewSource> GetImpress()
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{
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string GetUriText()
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=> $"https://{HostName}/{ImpressResourcePath}";
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if (string.IsNullOrEmpty(ImpressResourcePath))
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{
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// Information to access resource is missing
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return new HtmlWebViewSource
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{
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Html = headerString + await Task.FromResult(ViewModelHelper.FromBody("No impress resource available. Resource path is null or empty."))
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};
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}
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Log.Debug($"Request to open url {GetUriText()} to get impress info.");
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return new HtmlWebViewSource
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{
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Html = headerString + await ViewModelHelper.GetSource(
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GetUriText(), // "site/privacy.html"
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IsSiteCachingOn)
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};
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}
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GtcHtml = await GetGtc(HostName, GtcResourcePath, IsSiteCachingOn);
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PrivacyHtml = await GetPrivacy();
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ImpressHtml = await GetImpress();
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// Set state to idle.
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IsIdle = true;
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}
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/// <summary> Gets the AGBs</summary>
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/// <param name="resourceProvider"></param>
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/// <returns> AGBs</returns>
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public static async Task<HtmlWebViewSource> GetGtc(
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string hostName,
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string gtcResourcePath,
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bool isSiteCachingOn)
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{
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string GetUriText()
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=> $"https://{hostName}/{gtcResourcePath}";
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//set font size for html content (necessary for iOS)
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string headerString = "<header><meta name='viewport' content='width=device-width, intial-scale=2.0, maximum-scale=5.0, minimum-scale=1.0, user-scalable=no'></header>";
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if (string.IsNullOrEmpty(gtcResourcePath))
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{
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return new HtmlWebViewSource
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{
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Html = headerString + await Task.FromResult(ViewModelHelper.FromBody("No terms resource available. Resource path is null or empty."))
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};
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}
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Log.Debug($"Request to open url {GetUriText()} to get AGB infos.");
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return new HtmlWebViewSource
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{
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Html = headerString + await ViewModelHelper.GetSource(
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GetUriText(), // "agb.html"
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isSiteCachingOn)
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};
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}
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/// <summary> Gets the platfrom specific prefix. </summary>
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private Func<string, string> ResourceProvider { get; set; }
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/// <summary> Gets the app related information (app version and licenses). </summary>
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public HtmlWebViewSource AppHtml => new HtmlWebViewSource
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{
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Html = ResourceProvider("HtmlResouces.V02.InfoLicenses.html")
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.Replace("CURRENT_VERSION_ShareeBikeAPP", DependencyService.Get<IAppInfo>().Version.ToString())
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.Replace("ACTIVE_APPNAME", AppInfo.Name)
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.Replace("APPSUPPORTMAILADDRESS", ContactPageViewModel.APPSUPPORTMAILADDRESS)
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};
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/// <summary> PrivacyHtml text.</summary>
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private HtmlWebViewSource impressHtml;
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/// <summary> Gets the privacy related information. </summary>
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public HtmlWebViewSource ImpressHtml
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{
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get => impressHtml;
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set
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{
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impressHtml = value;
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PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(ImpressHtml)));
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}
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}
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/// <summary> Agb information text.</summary>
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private HtmlWebViewSource gtcHtml;
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/// <summary> PrivacyHtml text.</summary>
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private HtmlWebViewSource privacyHtml;
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/// <summary> Agb information text.</summary>
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public HtmlWebViewSource GtcHtml
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{
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get => gtcHtml;
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set
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{
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gtcHtml = value;
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PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(GtcHtml)));
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}
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}
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/// <summary> Agb information text.</summary>
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public HtmlWebViewSource PrivacyHtml
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{
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get => privacyHtml;
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set
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{
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privacyHtml = value;
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PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(PrivacyHtml)));
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}
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}
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}
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}
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