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Switch to file-based configuration

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This commit is contained in:
Noikoio 2019-06-20 20:52:11 -07:00
parent c1e8f6699a
commit 2319c91fc7
1 changed files with 19 additions and 32 deletions
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51
Kerobot/Services/GuildState/GuildStateService.cs
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@ -1,5 +1,7 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.Reflection;
using System.Threading.Tasks;
using Discord.WebSocket;
using Kerobot.Common;
@ -22,6 +24,7 @@ namespace Kerobot.Services.GuildState
public GuildStateService(Kerobot kb) : base(kb)
{
_moderators = new Dictionary<ulong, EntityList>();
_states = new Dictionary<ulong, Dictionary<Type, StateInfo>>();
CreateDatabaseTablesAsync().Wait();
@ -110,7 +113,6 @@ namespace Kerobot.Services.GuildState
{
var jstr = await RetrieveConfiguration(guildId);
if (jstr == null) jstr = await RetrieveDefaultConfiguration();
int jstrHash = jstr.GetHashCode();
JObject guildConf;
try
@ -208,7 +210,7 @@ namespace Kerobot.Services.GuildState
c.CommandText = $"insert into {DBTableName} (rev_id, guild_id, author, config_json) "
+ "values (0, 0, 0, @Json) "
+ "on conflict (rev_id) do nothing";
c.Parameters.Add("@Json", NpgsqlTypes.NpgsqlDbType.Text).Value = PreloadDefaultGuildJson();
c.Parameters.Add("@Json", NpgsqlTypes.NpgsqlDbType.Text).Value = GetDefaultConfiguration();
c.Prepare();
await c.ExecuteNonQueryAsync();
}
@ -217,43 +219,28 @@ namespace Kerobot.Services.GuildState
private async Task<string> RetrieveConfiguration(ulong guildId)
{
using (var db = await Kerobot.GetOpenNpgsqlConnectionAsync())
// Offline option: Per-guild configuration exists under `config/(guild ID).json`
var basePath = Path.GetDirectoryName(Assembly.GetEntryAssembly().Location) +
Path.DirectorySeparatorChar + "config" + Path.DirectorySeparatorChar;
if (!Directory.Exists(basePath)) Directory.CreateDirectory(basePath);
var path = basePath + guildId + ".json";
if (File.Exists(path))
{
using (var c = db.CreateCommand())
{
c.CommandText = $"select config_json from {DBTableName} where guild_id = {guildId} "
+ "order by rev_id desc limit 1";
using (var r = await c.ExecuteReaderAsync())
{
if (await r.ReadAsync())
{
return r.GetString(0);
}
return null;
}
}
return await File.ReadAllTextAsync(path);
}
}
private async Task<string> RetrieveDefaultConfiguration()
{
using (var db = await Kerobot.GetOpenNpgsqlConnectionAsync())
else
{
using (var c = db.CreateCommand())
{
c.CommandText = $"select config_json from {DBTableName} where rev_id = 0";
using (var r = await c.ExecuteReaderAsync())
{
if (await r.ReadAsync()) return r.GetString(0);
}
}
await File.WriteAllTextAsync(path, GetDefaultConfiguration());
await Log($"Created initial configuration file in config{Path.DirectorySeparatorChar}{guildId}.json");
return await RetrieveConfiguration(guildId);
}
throw new Exception("Unable to retrieve fallback configuration.");
}
#endregion
// Default guild configuration JSON is embedded in assembly.
private string PreloadDefaultGuildJson()
/// <summary>
/// Retrieves the default configuration loaded within the assembly.
/// </summary>
private string GetDefaultConfiguration()
{
const string ResourceName = "Kerobot.DefaultGuildConfig.json";