63 lines
2.9 KiB
C#
63 lines
2.9 KiB
C#
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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using Dapper;
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namespace PluralKit.Core
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{
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public partial class ModelRepository
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{
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public async Task AddMessage(IPKConnection conn, PKMessage msg) {
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// "on conflict do nothing" in the (pretty rare) case of duplicate events coming in from Discord, which would lead to a DB error before
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await conn.ExecuteAsync("insert into messages(mid, guild, channel, member, sender, original_mid) values(@Mid, @Guild, @Channel, @Member, @Sender, @OriginalMid) on conflict do nothing", msg);
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_logger.Debug("Stored message {@StoredMessage} in channel {Channel}", msg, msg.Channel);
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}
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public async Task<FullMessage> GetMessage(IPKConnection conn, ulong id)
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{
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FullMessage Mapper(PKMessage msg, PKMember member, PKSystem system) =>
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new FullMessage {Message = msg, System = system, Member = member};
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var result = await conn.QueryAsync<PKMessage, PKMember, PKSystem, FullMessage>(
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"select messages.*, members.*, systems.* from messages, members, systems where (mid = @Id or original_mid = @Id) and messages.member = members.id and systems.id = members.system",
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Mapper, new {Id = id});
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return result.FirstOrDefault();
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}
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public async Task DeleteMessage(IPKConnection conn, ulong id)
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{
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var rowCount = await conn.ExecuteAsync("delete from messages where mid = @Id", new {Id = id});
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if (rowCount > 0)
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_logger.Information("Deleted message {MessageId} from database", id);
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}
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public async Task DeleteMessagesBulk(IPKConnection conn, IReadOnlyCollection<ulong> ids)
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{
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// Npgsql doesn't support ulongs in general - we hacked around it for plain ulongs but tbh not worth it for collections of ulong
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// Hence we map them to single longs, which *are* supported (this is ok since they're Technically (tm) stored as signed longs in the db anyway)
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var rowCount = await conn.ExecuteAsync("delete from messages where mid = any(@Ids)",
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new {Ids = ids.Select(id => (long) id).ToArray()});
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if (rowCount > 0)
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_logger.Information("Bulk deleted messages ({FoundCount} found) from database: {MessageIds}", rowCount,
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ids);
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}
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}
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public class PKMessage
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{
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public ulong Mid { get; set; }
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public ulong? Guild { get; set; } // null value means "no data" (ie. from before this field being added)
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public ulong Channel { get; set; }
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public MemberId Member { get; set; }
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public ulong Sender { get; set; }
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public ulong? OriginalMid { get; set; }
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}
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public class FullMessage
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{
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public PKMessage Message;
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public PKMember Member;
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public PKSystem System;
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}
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}
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