refactor project structure

PluralKit.Bot/Services/LogChannelService.cs

@@ -0,0 +1,47 @@
+using System.Data;
+using System.Threading.Tasks;
+using Dapper;
+using Discord;
+
+namespace PluralKit.Bot {
+    class ServerDefinition {
+        public ulong Id;
+        public ulong LogChannel;
+    }
+
+    class LogChannelService {
+        private IDiscordClient _client;
+        private IDbConnection _connection;
+        private EmbedService _embed;
+
+        public LogChannelService(IDiscordClient client, IDbConnection connection, EmbedService embed)
+        {
+            this._client = client;
+            this._connection = connection;
+            this._embed = embed;
+        }
+
+        public async Task LogMessage(PKSystem system, PKMember member, IMessage message, IUser sender) {
+            var channel = await GetLogChannel((message.Channel as IGuildChannel).Guild);
+            if (channel == null) return;
+
+            var embed = _embed.CreateLoggedMessageEmbed(system, member, message, sender);
+            await channel.SendMessageAsync(text: message.GetJumpUrl(), embed: embed);
+        }
+
+        public async Task<ITextChannel> GetLogChannel(IGuild guild) {
+            var server = await _connection.QueryFirstAsync<ServerDefinition>("select * from servers where id = @Id", new { Id = guild.Id });
+            if (server == null) return null;
+            return await _client.GetChannelAsync(server.LogChannel) as ITextChannel;
+        }
+
+        public async Task SetLogChannel(IGuild guild, ITextChannel newLogChannel) {
+            var def = new ServerDefinition {
+                Id = guild.Id,
+                LogChannel = newLogChannel.Id
+            };
+            
+            await _connection.ExecuteAsync("insert into servers(id, log_channel) values (@Id, @LogChannel) on conflict (id) do update set log_channel = @LogChannel", def);
+        }
+    }
+}