/// <summary>
/// Creates a new help formatter instance.
/// </summary>
/// <param name="ctx">Context in which the formatter is invoked.</param>
/// <param name="bot">Turret bot instance.</param>
public TurretHelpFormatter(CommandContext ctx, TurretBot bot)
: base(ctx)
{
this.Bot = bot;
this.Message = new StringBuilder();
this.Message.AppendLine("```less")
.AppendLine($"Music Turret v{bot.BotVersion} by Emzi0767")
.AppendLine();
}
/// <summary>
/// Asynchronous entry point of the bot's binary.
/// </summary>
/// <param name="args">Command-line arguments for the binary.</param>
/// <returns></returns>
private static async Task MainAsync(string[] args)
{
// locate the config file
var dockerSecret = Environment.GetEnvironmentVariable("DOCKER_SECRET");
var cfgFile = new FileInfo(dockerSecret != null ? Path.Combine("/run/secrets", dockerSecret) : "config.json");
// load the config file and validate it
var cfgLoader = new TurretConfigLoader();
var cfg = await cfgLoader.LoadConfigurationAsync(cfgFile);
cfgLoader.ValidateConfiguration(cfg);
// create database type mapping
NpgsqlConnection.GlobalTypeMapper.MapEnum <DatabaseEntityKind>("entity_kind");
// validate database
var dbcsp = new ConnectionStringProvider(cfg.PostgreSQL);
using (var db = new DatabaseContext(dbcsp))
{
var dbv = db.Metadata.SingleOrDefault(x => x.MetaKey == "schema_version");
if (dbv == null || dbv.MetaValue != "2")
{
throw new InvalidDataException("Database schema version mismatch.");
}
dbv = db.Metadata.SingleOrDefault(x => x.MetaKey == "project");
if (dbv == null || dbv.MetaValue != "Music Turret")
{
throw new InvalidDataException("Database schema type mismatch.");
}
}
// create shards
Shards = new Dictionary <int, TurretBot>();
var async = new AsyncExecutor();
for (int i = 0; i < cfg.Discord.ShardCount; i++)
{
var shard = new TurretBot(cfg, i, async);
await shard.StartAsync();
Shards[i] = shard;
}
// wait forever
await Task.Delay(-1);
}
