CheckAsync(object argument, CommandContext context, IServiceProvider provider)
{
var value = (argument as string)?.Length ?? Convert.ToDouble(argument);
var success = IsMinimumInclusive && !IsMaximumInclusive
? Minimum <= value && value < Maximum
: !IsMinimumInclusive && IsMaximumInclusive
? Minimum < value && value <= Maximum
: IsMinimumInclusive && IsMaximumInclusive
? Minimum <= value && value <= Maximum
: Minimum < value && value < Maximum;
var result = success
? CheckResult.Successful
: CheckResult.Unsuccessful(
$"The provided argument was outside of the range: {(IsMinimumInclusive ? '[' : '(')}{Minimum}, {Maximum}{(IsMaximumInclusive ? ']' : ')')}.");
#if NETCOREAPP
return(result);
#else
return(Task.FromResult(result));
#endif
}
/// <inheritdoc />
public override ValueTask <CheckResult> CheckAsync(object argument, CommandContext context)
=> (argument as string).IndexOf(Value, StringComparison) != -1
? CheckResult.Successful
: CheckResult.Unsuccessful(
$"The provided argument must contain the {(StringComparison.IsCaseSensitive() ? "case-sensitive" : "case-insensitive")} value: {Value}.");
/// <summary> /// Returns a failed <see cref="CheckResult"/> with the specified reason. /// </summary> /// <returns> A failed <see cref="CheckResult"/>. </returns> protected static CheckResult Failure(string reason) => CheckResult.Failed(reason);
/// <inheritdoc />
public override ValueTask <CheckResult> CheckAsync(object argument, CommandContext context)
=> Regex.IsMatch(argument as string)
? CheckResult.Successful
: CheckResult.Unsuccessful($"The provided argument must match the regex pattern: {Regex}.");