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Version 3.0.342

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Oliver Hauff 2022-10-03 17:55:10 +02:00
parent d852ccef4c
commit 2cde196f16
54 changed files with 998 additions and 498 deletions
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108
TINKLib/ViewModel/Info/InfoPageViewModel.cs
View file

@ -1,10 +1,14 @@
using System;
using System;
using System.ComponentModel;
using System.Threading.Tasks;
using Serilog;
using TINK.Model.Bikes;
using TINK.Model;
using TINK.Model.Device;
using TINK.Model.Services.CopriApi;
using Xamarin.Essentials;
using Xamarin.Forms;
using TINK.Model.Connector;
namespace TINK.ViewModel.Info
{
@ -20,39 +24,80 @@ namespace TINK.ViewModel.Info
/// <summary> Holds value wether site caching is on or off.</summary>
bool IsSiteCachingOn { get; }
private string AgbResourcePath { get; }
private string PrivacyResourcePath { get; }
private string ImpressResourcePath { get; }
/// <summary>
/// Relative path to agb resources of empty if value was not yet querried from backend.
/// </summary>
private string AgbResourcePath { get; set; }
/// <summary>
/// Holds the current ui two letter ISO language name.
/// Relative path to privacy resources of empty if value was not yet querried from backend.
/// </summary>
private string UiIsoLanguageName { get; }
private string PrivacyResourcePath { get; set; }
/// <summary>
/// Relative path to impress resources of empty if value was not yet querried from backend.
/// </summary>
private string ImpressResourcePath { get; set; }
private bool _IsIdle = false;
/// <summary>
/// Is true if no action is pending, false otherwise.
/// </summary>
public bool IsIdle
{
get => _IsIdle;
private set
{
if (_IsIdle == value)
{
// Nothing to do.
return;
}
_IsIdle = value;
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(IsIdle)));
return;
}
}
/// <summary>
/// Object to querry resources urls object from backend if required.
/// This object is used to update resources path values <see cref="AgbResourcePath"/>, <see cref="PrivacyResourcePath"/> and <see cref="ImpressResourcePath"/> from.
/// </summary>
private Func<IQuery> QueryProvider { get; }
/// <summary>
/// Action to update shared resources urls object exposed by main model.
/// </summary>
private Action<IResourceUrls> UpdateUrlsAction { get; }
/// <summary> Constructs Info view model</summary>
/// <param name="hostName">Name of the host to get html resources from.</param>
/// <param name="isSiteCachingOn">Holds value wether site caching is on or off.</param>
/// <param name="agbResourcePath"> Agb resouce path received from backend.</param>
/// <param name="privacyResourcePath"> Privacy resouce path received from backend.</param>
/// <param name="impressResourcePath"> Impress resouce path received from backend.</param>
/// <param name="uiIsoLangugageName">Two letter ISO language name.</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>
/// <param name="queryProvider">Object to querry resources urls object from backend if required.</param>
/// <param name="updateUrlsAction">Action to update shared resources urls object</param>
public InfoPageViewModel(
string hostName,
string agbResourcePath,
string privacyResourcePath,
string impressResourcePath,
bool isSiteCachingOn,
string uiIsoLangugageName,
Func<string, string> resourceProvider)
Func<string, string> resourceProvider,
Func<IQuery> queryProvider,
Action<IResourceUrls> updateUrlsAction)
{
HostName = hostName;
AgbResourcePath = agbResourcePath;
PrivacyResourcePath = privacyResourcePath;
ImpressResourcePath = impressResourcePath;
IsSiteCachingOn = isSiteCachingOn;
UiIsoLanguageName = uiIsoLangugageName;
QueryProvider = queryProvider;
UpdateUrlsAction = updateUrlsAction;
InfoAgb = new HtmlWebViewSource { Html = "<html>Loading...</html>" };
@ -63,6 +108,37 @@ namespace TINK.ViewModel.Info
/// <summary> Called when page is shown. </summary>
public async void OnAppearing()
{
// Get resource urls object from backend.
async Task<IResourceUrls> GetUrls()
{
Result<BikeCollection> bikes;
try
{
bikes = await QueryProvider().GetBikesAsync();
}
catch (Exception ex)
{
Log.ForContext<InfoPageViewModel>().Error($"Getting resource urls from COPRI failed. {ex.Message}");
return new ResourceUrls();
}
IResourceUrls resourceUrls = bikes?.GeneralData?.ResourceUrls ?? new ResourceUrls();
return resourceUrls;
}
// Set state to busy.
IsIdle = false;
// Check if urls to show info from are already known.
if (string.IsNullOrEmpty(PrivacyResourcePath))
{
var urls = await GetUrls();
PrivacyResourcePath = urls.PrivacyResourcePath;
ImpressResourcePath = urls.ImpressResourcePath;
AgbResourcePath = urls.AgbResourcePath;
UpdateUrlsAction(urls); // Update main model to prevent duplicate queries.
}
// Gets privacy info from server.
async Task<HtmlWebViewSource> GetInfoPrivacy()
{
@ -113,11 +189,14 @@ namespace TINK.ViewModel.Info
};
}
InfoAgb = await GetAgb(HostName, AgbResourcePath, IsSiteCachingOn, UiIsoLanguageName);
InfoAgb = await GetAgb(HostName, AgbResourcePath, IsSiteCachingOn);
InfoPrivacy = await GetInfoPrivacy();
InfoImpressum = await GetImpressum();
// Set state to idle.
IsIdle = true;
}
/// <summary> Gets the AGBs</summary>
@ -126,8 +205,7 @@ namespace TINK.ViewModel.Info
public static async Task<HtmlWebViewSource> GetAgb(
string hostName,
string agbResourcePath,
bool isSiteCachingOn,
string uiIsoLangugageName)
bool isSiteCachingOn)
{
string GetUriText()
=> $"https://{hostName}/{agbResourcePath}";