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DataClient.cs
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DataClient.cs
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using Npgsql;
using NpgsqlTypes;
using Dapper;
using System.Runtime.CompilerServices;
using System.Security.Principal;
using System.Security.Claims;
namespace CbAdmin;
public class DataClient
{
public class AdminInfo
{
public int Id { get; set; }
public string Name { get; set; } = null!;
}
private string ConnString;
public DataClient(IConfiguration configuration)
{
ConnString = configuration.GetValue<string>("DatabaseConnString")!;
}
public AdminInfo? GetAdminInfo(ClaimsPrincipal user)
{
var usernameClaim = user.Claims.FirstOrDefault(c => c.Type == ClaimTypes.Name);
var discriminatorClaim = user.Claims.FirstOrDefault(c => c.Type == "urn:discord:user:discriminator");
if (usernameClaim == null || discriminatorClaim == null)
{
// Discord auth not complete.
return null;
}
var finalName = $"{usernameClaim.Value}#{discriminatorClaim.Value}";
return DoGetAdminInfo(user.Identity?.Name, finalName);
}
private AdminInfo? DoGetAdminInfo(string? shortName, string fullName)
{
using var conn = new NpgsqlConnection(ConnString);
var admin = conn.Query<AdminInfo>("SELECT * FROM admin WHERE LOWER(name)=@name1 OR LOWER(name)=@name2", new { name1 = shortName, name2 = fullName }).AsList().SingleOrDefault();
// Strip the suffix from Discord name, if present.
if (admin != null && admin.Name.Contains('#'))
{
admin.Name = admin.Name.Substring(0, admin.Name.IndexOf('#'));
}
return admin;
}
public string? GetLastPlayerName(int playerId)
{
using var conn = new NpgsqlConnection(ConnString);
return DoGetLastPlayerName(playerId, conn);
}
private string? DoGetLastPlayerName(int playerId, NpgsqlConnection conn)
{
string? name = conn.Query<string?>("select player_nick from player_nick where player_id=@id order by last_used desc", new { id = playerId }).FirstOrDefault();
return name;
}
public BanPresetInfo[] LoadBanPresets()
{
using var conn = new NpgsqlConnection(ConnString);
var presets = conn.Query<BanPresetInfo>("select reason, EXTRACT(EPOCH from default_length) as DurationSecondsRaw from ban_reason").AsList();
return presets.ToArray();
}
public PlayerInfo? LoadPlayerInfo(string playerName)
{
using var conn = new NpgsqlConnection(ConnString);
int? id = conn.Query<int?>("select player_id from player_nick where LOWER(player_nick) = LOWER(@name) order by last_used desc", new { name = playerName }).FirstOrDefault();
if (id == null)
{
return null;
}
var aliases = conn.Query<PlayerAliasInfo>(
"select player_nick as Alias, last_used as LastUsed from player_nick where player_id=@id",
new { id = id })
.AsList();
var bans = conn.Query<BanInfo>(
@"select
ban.id as Id,
player_id as PlayerId,
@pname as PlayerName,
reason,
created as StartTime,
expires as ExpiryTime,
ad.name as AdminName
from ban
inner join admin ad on ban.admin_id = ad.id
where player_id=@id
",
new { id = id, pname = playerName })
.AsList();
return new PlayerInfo
{
Id = id.Value,
Aliases = aliases.OrderByDescending(a => a.LastUsed).ToArray(),
Bans = bans.OrderByDescending(b => b.ExpiryTime).ToArray()
};
}
public void AddNewBan(int adminId, int playerId, string reason, int durationMinutes)
{
using var conn = new NpgsqlConnection(ConnString);
conn.Execute("insert into ban(player_id, reason, show_reason, admin_id, created, last_updated, expires) values (@playerId, @reason, true, @adminId, @created, @created, @expires);",
new
{
playerId = playerId,
adminId = adminId,
reason = reason,
created = DateTime.Now,
expires = DateTime.Now.AddMinutes(durationMinutes)
});
}
public BanInfo? GetBanInfo(int banId)
{
using var conn = new NpgsqlConnection(ConnString);
var ban = conn.Query<BanInfo>(
@"select
ban.id as Id,
player_id as PlayerId,
'' as PlayerName,
reason,
created as StartTime,
expires as ExpiryTime,
ad.name as AdminName
from ban
inner join admin ad on ban.admin_id = ad.id
where ban.id = @id
",
new { id = banId }).FirstOrDefault();
if (ban != null)
{
ban.PlayerName = DoGetLastPlayerName(ban.PlayerId, conn) ?? "<unknown>";
}
return ban;
}
public void ChangeBanDuration(int banId, int newDurationMinutes, int adminId)
{
using var conn = new NpgsqlConnection(ConnString);
var newExpiry = DateTime.Now.AddMinutes(newDurationMinutes);
conn.Execute("update ban set expires=@expires, last_updated=@now where id=@id",
new
{
id = banId,
expires = newExpiry,
now = DateTime.Now
});
}
public BanInfo[] GetRecentBans(int n)
{
using var conn = new NpgsqlConnection(ConnString);
var bans = conn.Query<BanInfo>(
@"select
ban.id as Id,
ban.player_id as PlayerId,
p.player_nick as PlayerName,
reason,
created as StartTime,
expires as ExpiryTime,
ad.name as AdminName,
last_updated
from ban
inner join admin ad on ban.admin_id = ad.id
inner join (
select player_id, MIN(player_nick) as player_nick from player_nick group by player_id
) p on p.player_id = ban.player_id
order by last_updated desc
limit @n",
new { n = n })
.AsList();
return bans.ToArray();
}
}