auto-creamapi-2/auto-creamapi/Converters/ListOfDLcToStringConverter.cs

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C#
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using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Globalization;
using System.IO;
using System.Text.RegularExpressions;
using auto_creamapi.Models;
using auto_creamapi.Utils;
using MvvmCross.Converters;
using MvvmCross.Platforms.Wpf.Converters;
namespace auto_creamapi.Converters
{
public class ListOfDLcToStringNativeConverter : MvxNativeValueConverter<ListOfDLcToStringConverter>
{
}
public class ListOfDLcToStringConverter : MvxValueConverter<ObservableCollection<SteamApp>, string>
{
protected override string Convert(ObservableCollection<SteamApp> value, Type targetType, object parameter,
CultureInfo culture)
{
if (value == null) return "";
MyLogger.Log.Debug("ListOfDLcToStringConverter: Convert");
var dlcListToString = DlcListToString(value);
return dlcListToString.GetType() == targetType ? dlcListToString : "";
}
protected override ObservableCollection<SteamApp> ConvertBack(string value, Type targetType, object parameter,
CultureInfo culture)
{
MyLogger.Log.Debug("ListOfDLcToStringConverter: ConvertBack");
var stringToDlcList = StringToDlcList(value);
return stringToDlcList.GetType() == targetType ? stringToDlcList : new ObservableCollection<SteamApp>();
}
private static ObservableCollection<SteamApp> StringToDlcList(string value)
{
var result = new ObservableCollection<SteamApp>();
var expression = new Regex(@"(?<id>.*) *= *(?<name>.*)");
using var reader = new StringReader(value);
string line;
while ((line = reader.ReadLine()) != null)
{
var match = expression.Match(line);
if (match.Success)
result.Add(new SteamApp
{
AppId = int.Parse(match.Groups["id"].Value),
Name = match.Groups["name"].Value
});
}
return result;
}
private static string DlcListToString(IEnumerable<SteamApp> value)
{
var result = "";
//value.ForEach(x => result += $"{x}\n");
foreach (var steamApp in value) result += $"{steamApp}\n";
return result;
}
}
}