/// <summary>
/// When a message is created on a server the bot is part of, the bot identifies commands
/// intended for it by using the indicator character. It then goes through each of its known
/// commands and attempts to execute them.
/// The first command to succeed is the only one that runs, which is why sorting the command
/// list in order of specificity is important.
/// </summary>
/// <param name="client">The discord client sending the message.</param>
/// <param name="args">An object describing the context of the message sent.</param>
/// <returns>A task to handle processing of the command.</returns>
private async Task OnMessageCreated(DiscordClient client, MessageCreateEventArgs args)
{
// Only work with guild messages, not private ones.
if (args.Guild != null)
{
TConfig config = GetConfig(args.Guild.Id);
// Check to see if the post starts with our indicator and the author wasn't a bot.
if (!args.Author.IsBot && args.Message.Content.StartsWith(config.Indicator))
{
// Get the command level so we can filter out commands this user can't access.
CommandLevel level = await GetCommandLevelAsync(args.Guild, args.Author.Id);
foreach (Command <TConfig> c in Commands)
{
// Only if the command is lower or equal to the user level do we attempt to run it.
if (c.CommandLevel <= level)
{
// If the regex matches and the command succeeds, we can skip the rest.
CommandState state = await c.AttemptAsync(args, config, Instance);
if (state == CommandState.Handled)
{
break;
}
}
}
}
}
}
/// <summary>
/// 解析权限数据
/// </summary>
/// <param name="lines"></param>
/// <returns></returns>
public static List <CommandLevel> ParsePermissions(List <string> lines)
{
List <CommandLevel> result = new List <CommandLevel>();
CommandLevel commandLevel = null;
int outEnd = 0;
foreach (var item in lines)
{
commandLevel = new CommandLevel
{
PermissionLevel = item.GetMidStr(" ", ": ", out outEnd).TrimStart(' ').ToInt(),
Command = item.GetMidStr(": ", Environment.NewLine, outEnd)
};
result.Add(commandLevel);
}
return(result);
}
