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Reorganize, reduce redundant code

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Noi 2021-10-18 17:26:10 -07:00
parent ca0dd74bae
commit f4c7837759
1 changed files with 38 additions and 46 deletions
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84
Configuration.cs
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@ -12,18 +12,21 @@ namespace BirthdayBot;
/// Loads and holds configuration values.
/// </summary>
class Configuration {
const string KeySqlHost = "SqlHost";
const string KeySqlUsername = "SqlUsername";
const string KeySqlPassword = "SqlPassword";
const string KeySqlDatabase = "SqlDatabase";
const string KeyShardRange = "ShardRange";
public string BotToken { get; }
public string LogWebhook { get; }
public string? DBotsToken { get; }
public bool QuitOnFails { get; }
public const string ShardLenConfKey = "ShardRange";
public int ShardStart { get; }
public int ShardAmount { get; }
public int ShardTotal { get; }
public bool QuitOnFails { get; }
public Configuration() {
// Looks for settings.json in the executable directory.
var confPath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
@ -36,61 +39,50 @@ class Configuration {
var jc = JObject.Parse(File.ReadAllText(confPath));
BotToken = jc[nameof(BotToken)]?.Value<string>();
if (string.IsNullOrWhiteSpace(BotToken))
throw new Exception($"'{nameof(BotToken)}' must be specified.");
BotToken = ReadConfKey<string>(jc, nameof(BotToken), true);
LogWebhook = ReadConfKey<string>(jc, nameof(LogWebhook), true);
DBotsToken = ReadConfKey<string>(jc, nameof(DBotsToken), false);
QuitOnFails = ReadConfKey<bool?>(jc, nameof(QuitOnFails), false) ?? false;
LogWebhook = jc[nameof(LogWebhook)]?.Value<string>();
if (string.IsNullOrWhiteSpace(LogWebhook))
throw new Exception($"'{nameof(LogWebhook)}' must be specified.");
ShardTotal = ReadConfKey<int?>(jc, nameof(ShardTotal), false) ?? 1;
if (ShardTotal < 1) throw new Exception($"'{nameof(ShardTotal)}' must be a positive integer.");
var dbj = jc[nameof(DBotsToken)];
if (dbj != null) {
DBotsToken = dbj.Value<string>();
} else {
DBotsToken = null;
}
var sqlhost = jc["SqlHost"]?.Value<string>() ?? "localhost"; // Default to localhost
var sqluser = jc["SqlUsername"]?.Value<string>();
var sqlpass = jc["SqlPassword"]?.Value<string>();
if (string.IsNullOrWhiteSpace(sqluser) || string.IsNullOrWhiteSpace(sqlpass))
throw new Exception("'SqlUsername', 'SqlPassword' must be specified.");
var csb = new NpgsqlConnectionStringBuilder() {
Host = sqlhost,
Username = sqluser,
Password = sqlpass
};
var sqldb = jc["SqlDatabase"]?.Value<string>();
if (sqldb != null) csb.Database = sqldb; // Optional database setting
Database.DBConnectionString = csb.ToString();
int? sc = jc[nameof(ShardTotal)]?.Value<int>();
if (!sc.HasValue) ShardTotal = 1;
else {
ShardTotal = sc.Value;
if (ShardTotal <= 0) {
throw new Exception($"'{nameof(ShardTotal)}' must be a positive integer.");
}
}
string srVal = jc[ShardLenConfKey]?.Value<string>();
if (!string.IsNullOrWhiteSpace(srVal)) {
string shardRangeInput = ReadConfKey<string>(jc, KeyShardRange, false);
if (!string.IsNullOrWhiteSpace(shardRangeInput)) {
Regex srPicker = new(@"(?<low>\d{1,2})[-,]{1}(?<high>\d{1,2})");
var m = srPicker.Match(srVal);
var m = srPicker.Match(shardRangeInput);
if (m.Success) {
ShardStart = int.Parse(m.Groups["low"].Value);
int high = int.Parse(m.Groups["high"].Value);
ShardAmount = high - (ShardStart - 1);
} else {
throw new Exception($"Shard range not properly formatted in '{ShardLenConfKey}'.");
throw new Exception($"Shard range not properly formatted in '{KeyShardRange}'.");
}
} else {
// Default: this instance handles all shards from ShardTotal
// Default: this instance handles all shards
ShardStart = 0;
ShardAmount = ShardTotal;
}
QuitOnFails = jc[nameof(QuitOnFails)]?.Value<bool>() ?? false;
var sqlhost = ReadConfKey<string>(jc, KeySqlHost, false) ?? "localhost"; // Default to localhost
var sqluser = ReadConfKey<string>(jc, KeySqlUsername, false);
var sqlpass = ReadConfKey<string>(jc, KeySqlPassword, false);
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,
ApplicationName = $"ClientShard{ShardStart}+{ShardAmount}"
};
var sqldb = ReadConfKey<string>(jc, KeySqlDatabase, false);
if (sqldb != null) csb.Database = sqldb; // Optional database setting
Database.DBConnectionString = csb.ToString();
}
private static T ReadConfKey<T>(JObject jc, string key, bool failOnEmpty) {
if (jc.ContainsKey(key)) return jc[key].Value<T>();
if (failOnEmpty) throw new Exception($"'{key}' must be specified.");
return default;
}
}