/// <summary>
/// Gets the user's preferences for the given preference kind.
/// </summary>
/// <param name="preference">The preference kind.</param>
/// <typeparam name="T">Type of preference.</typeparam>
/// <returns>A {T} array containing the user's preference.</returns>
public T[] GetPreferenceValues <T>(PreferenceKind preference)
{
var val = Preferences.First(p => p.Kind == preference).Value;
if (string.IsNullOrEmpty(val))
{
return(Array.Empty <T>());
}
// Convert array of {string} to array of {T}
var converter = TypeDescriptor.GetConverter(typeof(T));
var stringValues = val.Split(Delimiter);
var convertedCount = 0;
var parsedValues = new T[stringValues.Length];
for (var i = 0; i < stringValues.Length; i++)
{
try
{
var parsedValue = converter.ConvertFromString(stringValues[i].Trim());
if (parsedValue != null)
{
parsedValues[convertedCount++] = (T)parsedValue;
}
}
catch (FormatException)
{
// Unable to convert value
}
}
return(parsedValues[..convertedCount]);
/// <summary>
/// Sets the specified preference to the given value.
/// </summary>
/// <param name="preference">The preference kind.</param>
/// <param name="values">The values.</param>
public void SetPreference(PreferenceKind preference, string[] values)
{
Preferences.First(p => p.Kind == preference).Value
= string.Join(Delimiter.ToString(CultureInfo.InvariantCulture), values);
}
/// <summary>
/// Gets the user's preferences for the given preference kind.
/// </summary>
/// <param name="preference">The preference kind.</param>
/// <returns>A string array containing the user's preferences.</returns>
public string[] GetPreference(PreferenceKind preference)
{
var val = Preferences.First(p => p.Kind == preference).Value;
return(Equals(val, string.Empty) ? Array.Empty <string>() : val.Split(Delimiter));
}
/// <summary>
/// Initializes a new instance of the <see cref="Preference"/> class.
/// Public constructor with required data.
/// </summary>
/// <param name="kind">The preference kind.</param>
/// <param name="value">The value.</param>
public Preference(PreferenceKind kind, string value)
{
Kind = kind;
Value = value ?? throw new ArgumentNullException(nameof(value));
}
/// <summary>
/// Static create function (for use in LINQ queries, etc.)
/// </summary>
/// <param name="kind">The preference kind.</param>
/// <param name="value">The value.</param>
/// <returns>The new instance.</returns>
public static Preference Create(PreferenceKind kind, string value)
{
return(new Preference(kind, value));
}
/// <summary>
/// Gets the user's preferences for the given preference kind.
/// </summary>
/// <param name="preference">The preference kind.</param>
/// <returns>A string array containing the user's preferences.</returns>
public string[] GetPreference(PreferenceKind preference)
{
var val = Preferences.FirstOrDefault(p => p.Kind == preference)?.Value;
return(string.IsNullOrEmpty(val) ? Array.Empty <string>() : val.Split(Delimiter));
}