/// <summary>
/// Send the error that occured in <see cref="ExecuteAsync"/>.
/// </summary>
internal static async Task SendErrorAsync(
IContext e,
string key,
object error,
ICodeProvider codeProvider,
object rangeObj = null)
{
var sb = new StringBuilder();
switch (rangeObj)
{
case SourceRange range:
{
var code = await codeProvider.GetAsync();
sb.AppendLine();
sb.AppendLine();
sb.Append(error);
sb.Append(" at ");
sb.Append(range.StartLine);
sb.Append(':');
sb.Append(range.StartColumn);
sb.AppendLine();
sb.AppendLine("```");
sb.Append(code.GetPeek(range.Index, range.Length));
sb.AppendLine("```");
break;
}
case CompiledSourceRange range:
{
var code = await codeProvider.GetAsync();
sb.AppendLine();
sb.AppendLine();
sb.Append(error);
sb.AppendLine();
sb.AppendLine("```");
sb.Append(code.GetPeek(range.Index, range.Length));
sb.AppendLine("```");
break;
}
default:
sb.AppendLine("```");
sb.Append(error);
sb.AppendLine();
sb.AppendLine("```");
break;
}
await e.ErrorEmbedResource(key)
.AppendDescription(sb.ToString())
.ToEmbed().QueueAsync(e, e.GetChannel());
}