refactor: add SqlKata for SQL generation, move connection handling into ModelRepository

This commit is contained in:
spiral
2021-09-29 21:51:38 -04:00
parent 6251d29abb
commit 92e45a07ff
60 changed files with 806 additions and 640 deletions

View File

@@ -4,17 +4,30 @@ using System.Threading.Tasks;
using Dapper;
using SqlKata;
namespace PluralKit.Core
{
public partial class ModelRepository
{
public async Task AddMessage(IPKConnection conn, PKMessage msg)
public Task AddMessage(PKMessage msg)
{
// "on conflict do nothing" in the (pretty rare) case of duplicate events coming in from Discord, which would lead to a DB error before
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);
var query = new Query("messages").AsInsert(new
{
mid = msg.Mid,
guild = msg.Guild,
channel = msg.Channel,
member = msg.Member,
sender = msg.Sender,
original_mid = msg.OriginalMid,
});
_logger.Debug("Stored message {@StoredMessage} in channel {Channel}", msg, msg.Channel);
// "on conflict do nothing" in the (pretty rare) case of duplicate events coming in from Discord, which would lead to a DB error before
return _db.ExecuteQuery(query, extraSql: "on conflict do nothing");
}
// todo: add a Mapper to QuerySingle and move this to SqlKata
public async Task<FullMessage?> GetMessage(IPKConnection conn, ulong id)
{
FullMessage Mapper(PKMessage msg, PKMember member, PKSystem system) =>
@@ -26,34 +39,36 @@ namespace PluralKit.Core
return result.FirstOrDefault();
}
public async Task DeleteMessage(IPKConnection conn, ulong id)
public async Task DeleteMessage(ulong id)
{
var rowCount = await conn.ExecuteAsync("delete from messages where mid = @Id", new { Id = id });
var query = new Query("messages").AsDelete().Where("mid", id);
var rowCount = await _db.ExecuteQuery(query);
if (rowCount > 0)
_logger.Information("Deleted message {MessageId} from database", id);
}
public async Task DeleteMessagesBulk(IPKConnection conn, IReadOnlyCollection<ulong> ids)
public async Task DeleteMessagesBulk(IReadOnlyCollection<ulong> ids)
{
// Npgsql doesn't support ulongs in general - we hacked around it for plain ulongs but tbh not worth it for collections of ulong
// 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)
var rowCount = await conn.ExecuteAsync("delete from messages where mid = any(@Ids)",
new { Ids = ids.Select(id => (long)id).ToArray() });
var query = new Query("messages").AsDelete().WhereIn("mid", ids.Select(id => (long)id).ToArray());
var rowCount = await _db.ExecuteQuery(query);
if (rowCount > 0)
_logger.Information("Bulk deleted messages ({FoundCount} found) from database: {MessageIds}", rowCount,
ids);
}
public async Task<PKMessage?> GetLastMessage(IPKConnection conn, ulong guildId, ulong channelId, ulong accountId)
public Task<PKMessage?> GetLastMessage(ulong guildId, ulong channelId, ulong accountId)
{
// Want to index scan on the (guild, sender, mid) index so need the additional constraint
return await conn.QuerySingleOrDefaultAsync<PKMessage>(
"select * from messages where guild = @Guild and channel = @Channel and sender = @Sender order by mid desc limit 1", new
{
Guild = guildId,
Channel = channelId,
Sender = accountId
});
var query = new Query("messages")
.Where("guild", guildId)
.Where("channel", channelId)
.Where("sender", accountId)
.OrderByDesc("mid")
.Limit(1);
return _db.QueryFirst<PKMessage?>(query);
}
}