/// <summary>
/// Constructor for developer defined detection of user messages
/// </summary>
/// <param name="getUserLocale">Delegate for getting the user locale</param>
/// <param name="checkUserLocaleChanged">Delegate that returns true if the locale was changed (implements logic to change locale by intercepting the message)</param>
/// <param name="toLocale">Target Locale</param>
/// <param name="localeConverter">An ILocaleConverter instance</param>
public LocaleConverterMiddleware(Func <ITurnContext, string> getUserLocale, Func <ITurnContext, Task <bool> > checkUserLocaleChanged, string toLocale, ILocaleConverter localeConverter)
{
_localeConverter = localeConverter ?? throw new ArgumentNullException(nameof(localeConverter));
if (string.IsNullOrEmpty(toLocale))
{
throw new ArgumentNullException(nameof(toLocale));
}
else if (!localeConverter.IsLocaleAvailable(toLocale))
{
throw new ArgumentNullException("The locale " + nameof(toLocale) + " is unavailable");
}
_toLocale = toLocale;
_getUserLocale = getUserLocale ?? throw new ArgumentNullException(nameof(getUserLocale));
_setUserLocale = checkUserLocaleChanged ?? throw new ArgumentNullException(nameof(checkUserLocaleChanged));
}
/// <summary>
/// Constructor for developer defined detection of user messages
/// </summary>
/// <param name="userLocaleProperty">PropertyAccessor for the users preferred locale</param>
/// <param name="toLocale">Target Locale</param>
/// <param name="localeConverter">An ILocaleConverter instance</param>
public LocaleConverterMiddleware(IStatePropertyAccessor <string> userLocaleProperty, string toLocale, ILocaleConverter localeConverter)
{
_localeConverter = localeConverter ?? throw new ArgumentNullException(nameof(localeConverter));
if (string.IsNullOrEmpty(toLocale))
{
throw new ArgumentNullException(nameof(toLocale));
}
else if (!localeConverter.IsLocaleAvailable(toLocale))
{
throw new ArgumentNullException("The locale " + nameof(toLocale) + " is unavailable");
}
_toLocale = toLocale;
_userLocaleProperty = userLocaleProperty ?? throw new ArgumentNullException(nameof(userLocaleProperty));
}
