mirror of
https://dev.azure.com/TeilRad/sharee.bike%20App/_git/Code
synced 2024-06-28 01:16:37 +02:00
147 lines
5.6 KiB
C#
147 lines
5.6 KiB
C#
using System;
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using System.ComponentModel;
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using System.Threading.Tasks;
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using TINK.Model.Device;
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using TINK.Services.CopriApi.ServerUris;
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using Xamarin.Essentials;
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using Xamarin.Forms;
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namespace TINK.ViewModel.Info
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{
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/// <summary> Manges the tabbed info page. </summary>
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public class InfoPageViewModel : 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 wether site caching is on or off.</summary>
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bool IsSiteCachingOn { get; }
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private string AgbResourcePath { get; }
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private string PrivacyResourcePath { get; }
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private string ImpressResourcePath { get; }
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/// <summary> Constructs Info view model</summary>
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/// <param name="isSiteCachingOn">Holds value wether site caching is on or off.</param>
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/// <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>
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public InfoPageViewModel(
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string hostName,
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string agbResourcePath,
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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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{
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HostName = hostName;
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AgbResourcePath = agbResourcePath;
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PrivacyResourcePath = privacyResourcePath;
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ImpressResourcePath = impressResourcePath;
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IsSiteCachingOn = isSiteCachingOn;
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InfoAgb = new HtmlWebViewSource { Html = "<html>Loading...</html>" };
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ResourceProvider = resourceProvider
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?? throw new ArgumentException($"Can not instantiate {typeof(InfoPageViewModel)}-object. No ressource provider availalbe.");
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}
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/// <summary> Called when page is shown. </summary>
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public async void OnAppearing()
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{
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InfoAgb = await GetAgb(HostName, AgbResourcePath, IsSiteCachingOn);
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InfoPrivacy = new HtmlWebViewSource
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{
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Html = !string.IsNullOrEmpty(PrivacyResourcePath)
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? await ViewModelHelper.GetSource(
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$"https://{HostName}/{PrivacyResourcePath}", // "site/privacy.html"
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IsSiteCachingOn)
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: await Task.FromResult(ViewModelHelper.FromBody("No privacy resource available. Resource path is null or empty."))
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};
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InfoImpressum = new HtmlWebViewSource
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{
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Html = !string.IsNullOrEmpty(ImpressResourcePath)
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? await ViewModelHelper.GetSource(
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$"https://{HostName}/{ImpressResourcePath}", // "site/impress.html"
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IsSiteCachingOn)
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: await Task.FromResult(ViewModelHelper.FromBody("No impress resource available. Resource path is null or empty."))
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};
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}
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/// <summary> Gets the AGBs</summary>
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/// <param name="resourceProvider"></param>
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/// <returns> AGBs</returns>
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public static async Task<HtmlWebViewSource> GetAgb(
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string hostName,
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string agbResourcePath,
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bool isSiteCachingOn)
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{
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return new HtmlWebViewSource
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{
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Html = !string.IsNullOrEmpty(agbResourcePath)
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? await ViewModelHelper.GetSource(
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$"https://{hostName}/{agbResourcePath}", // "agb.html"
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isSiteCachingOn)
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: 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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/// <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 InfoLicenses => new HtmlWebViewSource
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{
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Html = ResourceProvider("HtmlResouces.V02.InfoLicenses.html")
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.Replace("CURRENT_VERSION_TINKAPP", DependencyService.Get<IAppInfo>().Version.ToString())
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.Replace("ACTIVE_APPNAME", AppInfo.Name)
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};
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/// <summary> Privacy text.</summary>
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private HtmlWebViewSource infoImpress;
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/// <summary> Gets the privacy related information. </summary>
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public HtmlWebViewSource InfoImpressum
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{
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get => infoImpress;
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set
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{
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infoImpress = value;
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PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(InfoImpressum)));
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}
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}
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/// <summary> Agb information text.</summary>
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private HtmlWebViewSource infoAgb;
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/// <summary> Privacy text.</summary>
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private HtmlWebViewSource infoPrivacy;
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/// <summary> Agb information text.</summary>
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public HtmlWebViewSource InfoAgb
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{
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get => infoAgb;
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set
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{
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infoAgb = value;
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PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(InfoAgb)));
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}
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}
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/// <summary> Agb information text.</summary>
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public HtmlWebViewSource InfoPrivacy
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{
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get => infoPrivacy;
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set
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{
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infoPrivacy = value;
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PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(InfoPrivacy)));
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}
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}
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}
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}
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