BirthdayBot/Configuration.cs

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2.7 KiB
C#
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using BirthdayBot.Data;
using Newtonsoft.Json.Linq;
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using Npgsql;
using System;
using System.IO;
using System.Reflection;
namespace BirthdayBot
{
/// <summary>
/// Loads and holds configuration values.
/// </summary>
class Configuration
{
public string BotToken { get; }
public string LogWebhook { get; }
public string DBotsToken { get; }
public int ShardCount { get; }
public Configuration()
{
// Looks for settings.json in the executable directory.
var confPath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
confPath += Path.DirectorySeparatorChar + "settings.json";
if (!File.Exists(confPath))
{
throw new Exception("Settings file not found."
+ " Create a file in the executable directory named 'settings.json'.");
}
var jc = JObject.Parse(File.ReadAllText(confPath));
BotToken = jc["BotToken"]?.Value<string>();
if (string.IsNullOrWhiteSpace(BotToken))
throw new Exception("'BotToken' must be specified.");
LogWebhook = jc["LogWebhook"]?.Value<string>();
if (string.IsNullOrWhiteSpace(LogWebhook))
throw new Exception("'LogWebhook' must be specified.");
var dbj = jc["DBotsToken"];
if (dbj != null)
{
DBotsToken = dbj.Value<string>();
}
else
{
DBotsToken = null;
}
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var sqlhost = jc["SqlHost"]?.Value<string>() ?? "localhost"; // Default to localhost
var sqluser = jc["SqlUsername"]?.Value<string>();
var sqlpass = jc["SqlPassword"]?.Value<string>();
if (string.IsNullOrWhiteSpace(sqluser) || string.IsNullOrWhiteSpace(sqlpass))
throw new Exception("'SqlUsername', 'SqlPassword' must be specified.");
var csb = new NpgsqlConnectionStringBuilder()
{
Host = sqlhost,
Username = sqluser,
Password = sqlpass
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};
var sqldb = jc["SqlDatabase"]?.Value<string>();
if (sqldb != null) csb.Database = sqldb; // Optional database setting
Database.DBConnectionString = csb.ToString();
int? sc = jc["ShardCount"]?.Value<int>();
if (!sc.HasValue) ShardCount = 1;
else
{
ShardCount = sc.Value;
if (ShardCount <= 0)
{
throw new Exception("'ShardCount' must be a positive integer.");
}
}
}
}
}