PluralKit/PluralKit.Bot/Commands/SystemEdit.cs
2021-09-13 02:33:34 -04:00

650 lines
30 KiB
C#

using System;
using System.Linq;
using System.Net.Http;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using Myriad.Builders;
using NodaTime;
using NodaTime.Text;
using NodaTime.TimeZones;
using PluralKit.Core;
namespace PluralKit.Bot
{
public class SystemEdit
{
private readonly IDatabase _db;
private readonly ModelRepository _repo;
private readonly HttpClient _client;
public SystemEdit(IDatabase db, ModelRepository repo, HttpClient client)
{
_db = db;
_repo = repo;
_client = client;
}
public async Task Name(Context ctx)
{
var noNameSetMessage = "Your system does not have a name set. Type `pk;system name <name>` to set one.";
ctx.CheckSystem();
if (ctx.MatchRaw())
{
if (ctx.System.Name != null)
await ctx.Reply($"```\n{ctx.System.Name}\n```");
else
await ctx.Reply(noNameSetMessage);
return;
}
if (!ctx.HasNext(false))
{
if (ctx.System.Name != null)
await ctx.Reply($"Your system's name is currently **{ctx.System.Name}**. Type `pk;system name -clear` to clear it.");
else
await ctx.Reply(noNameSetMessage);
return;
}
if (await ctx.MatchClear("your system's name"))
{
var clearPatch = new SystemPatch { Name = null };
await _db.Execute(conn => _repo.UpdateSystem(conn, ctx.System.Id, clearPatch));
await ctx.Reply($"{Emojis.Success} System name cleared.");
}
else
{
var newSystemName = ctx.RemainderOrNull();
if (newSystemName.Length > Limits.MaxSystemNameLength)
throw Errors.StringTooLongError("System name", newSystemName.Length, Limits.MaxSystemNameLength);
var patch = new SystemPatch { Name = newSystemName };
await _db.Execute(conn => _repo.UpdateSystem(conn, ctx.System.Id, patch));
await ctx.Reply($"{Emojis.Success} System name changed.");
}
}
public async Task Description(Context ctx)
{
var noDescriptionSetMessage = "Your system does not have a description set. To set one, type `pk;s description <description>`.";
ctx.CheckSystem();
if (ctx.MatchRaw())
{
if (ctx.System.Description == null)
await ctx.Reply(noDescriptionSetMessage);
else
await ctx.Reply($"```\n{ctx.System.Description}\n```");
return;
}
if (!ctx.HasNext(false))
{
if (ctx.System.Description == null)
await ctx.Reply(noDescriptionSetMessage);
else
await ctx.Reply(embed: new EmbedBuilder()
.Title("System description")
.Description(ctx.System.Description)
.Footer(new("To print the description with formatting, type `pk;s description -raw`. To clear it, type `pk;s description -clear`. To change it, type `pk;s description <new description>`."))
.Build());
return;
}
if (await ctx.MatchClear("your system's description"))
{
var patch = new SystemPatch { Description = null };
await _db.Execute(conn => _repo.UpdateSystem(conn, ctx.System.Id, patch));
await ctx.Reply($"{Emojis.Success} System description cleared.");
return;
}
else
{
var newDescription = ctx.RemainderOrNull()?.NormalizeLineEndSpacing();
if (newDescription.Length > Limits.MaxDescriptionLength)
throw Errors.StringTooLongError("Description", newDescription.Length, Limits.MaxDescriptionLength);
var patch = new SystemPatch { Description = newDescription };
await _db.Execute(conn => _repo.UpdateSystem(conn, ctx.System.Id, patch));
await ctx.Reply($"{Emojis.Success} System description changed.");
}
}
public async Task Color(Context ctx)
{
ctx.CheckSystem();
if (await ctx.MatchClear())
{
var patch = new SystemPatch { Color = Partial<string>.Null() };
await _db.Execute(conn => _repo.UpdateSystem(conn, ctx.System.Id, patch));
await ctx.Reply($"{Emojis.Success} System color cleared.");
}
else if (!ctx.HasNext())
{
if (ctx.System.Color == null)
await ctx.Reply(
$"Your system does not have a color set. To set one, type `pk;system color <color>`.");
else
await ctx.Reply(embed: new EmbedBuilder()
.Title("System color")
.Color(ctx.System.Color.ToDiscordColor())
.Thumbnail(new($"https://fakeimg.pl/256x256/{ctx.System.Color}/?text=%20"))
.Description($"Your system's color is **#{ctx.System.Color}**. To clear it, type `pk;s color -clear`.")
.Build());
}
else
{
var color = ctx.RemainderOrNull();
if (color.StartsWith("#")) color = color.Substring(1);
if (!Regex.IsMatch(color, "^[0-9a-fA-F]{6}$")) throw Errors.InvalidColorError(color);
var patch = new SystemPatch { Color = Partial<string>.Present(color.ToLowerInvariant()) };
await _db.Execute(conn => _repo.UpdateSystem(conn, ctx.System.Id, patch));
await ctx.Reply(embed: new EmbedBuilder()
.Title($"{Emojis.Success} System color changed.")
.Color(color.ToDiscordColor())
.Thumbnail(new($"https://fakeimg.pl/256x256/{color}/?text=%20"))
.Build());
}
}
public async Task Tag(Context ctx)
{
var noTagSetMessage = "You currently have no system tag. To set one, type `pk;s tag <tag>`.";
ctx.CheckSystem();
if (ctx.MatchRaw())
{
if (ctx.System.Tag == null)
await ctx.Reply(noTagSetMessage);
else
await ctx.Reply($"```\n{ctx.System.Tag}\n```");
return;
}
if (!ctx.HasNext(false))
{
if (ctx.System.Tag == null)
await ctx.Reply(noTagSetMessage);
else
await ctx.Reply($"Your current system tag is {ctx.System.Tag.AsCode()}. To change it, type `pk;s tag <tag>`. To clear it, type `pk;s tag -clear`.");
return;
}
if (await ctx.MatchClear("your system's tag"))
{
var patch = new SystemPatch { Tag = null };
await _db.Execute(conn => _repo.UpdateSystem(conn, ctx.System.Id, patch));
await ctx.Reply($"{Emojis.Success} System tag cleared.");
}
else
{
var newTag = ctx.RemainderOrNull(skipFlags: false);
if (newTag != null)
if (newTag.Length > Limits.MaxSystemTagLength)
throw Errors.StringTooLongError("System tag", newTag.Length, Limits.MaxSystemTagLength);
var patch = new SystemPatch { Tag = newTag };
await _db.Execute(conn => _repo.UpdateSystem(conn, ctx.System.Id, patch));
await ctx.Reply($"{Emojis.Success} System tag changed. Member names will now end with {newTag.AsCode()} when proxied.");
}
}
public async Task ServerTag(Context ctx)
{
ctx.CheckSystem().CheckGuildContext();
var setDisabledWarning = $"{Emojis.Warn} Your system tag is currently **disabled** in this server. No tag will be applied when proxying.\nTo re-enable the system tag in the current server, type `pk;s servertag -enable`.";
async Task Show()
{
if (ctx.MessageContext.SystemGuildTag != null)
{
var msg = $"Your current system tag in '{ctx.Guild.Name}' is {ctx.MessageContext.SystemGuildTag.AsCode()}";
if (!ctx.MessageContext.TagEnabled)
msg += ", but it is currently **disabled**. To re-enable it, type `pk;s servertag -enable`.";
else
msg += ". To change it, type `pk;s servertag <tag>`. To clear it, type `pk;s servertag -clear`.";
await ctx.Reply(msg);
return;
}
else if (!ctx.MessageContext.TagEnabled)
await ctx.Reply($"Your global system tag is {ctx.System.Tag}, but it is **disabled** in this server. To re-enable it, type `pk;s servertag -enable`");
else
await ctx.Reply($"You currently have no system tag specific to the server '{ctx.Guild.Name}'. To set one, type `pk;s servertag <tag>`. To disable the system tag in the current server, type `pk;s servertag -disable`.");
}
async Task Set()
{
var newTag = ctx.RemainderOrNull(skipFlags: false);
if (newTag != null && newTag.Length > Limits.MaxSystemTagLength)
throw Errors.StringTooLongError("System server tag", newTag.Length, Limits.MaxSystemTagLength);
var patch = new SystemGuildPatch { Tag = newTag };
await _db.Execute(conn => _repo.UpsertSystemGuild(conn, ctx.System.Id, ctx.Guild.Id, patch));
await ctx.Reply($"{Emojis.Success} System server tag changed. Member names will now end with {newTag.AsCode()} when proxied in the current server '{ctx.Guild.Name}'.");
if (!ctx.MessageContext.TagEnabled)
await ctx.Reply(setDisabledWarning);
}
async Task Clear()
{
var patch = new SystemGuildPatch { Tag = null };
await _db.Execute(conn => _repo.UpsertSystemGuild(conn, ctx.System.Id, ctx.Guild.Id, patch));
await ctx.Reply($"{Emojis.Success} System server tag cleared. Member names will now end with the global system tag, if there is one set.");
if (!ctx.MessageContext.TagEnabled)
await ctx.Reply(setDisabledWarning);
}
async Task EnableDisable(bool newValue)
{
var patch = new SystemGuildPatch { TagEnabled = newValue };
await _db.Execute(conn => _repo.UpsertSystemGuild(conn, ctx.System.Id, ctx.Guild.Id, patch));
await ctx.Reply(PrintEnableDisableResult(newValue, newValue != ctx.MessageContext.TagEnabled));
}
string PrintEnableDisableResult(bool newValue, bool changedValue)
{
var opStr = newValue ? "enabled" : "disabled";
var str = "";
if (!changedValue)
str = $"{Emojis.Note} The system tag is already {opStr} in this server.";
else
str = $"{Emojis.Success} System tag {opStr} in this server.";
if (newValue == true)
{
if (ctx.MessageContext.TagEnabled)
if (ctx.MessageContext.SystemGuildTag == null)
str += $" However, you do not have a system tag specific to this server. Messages will be proxied using your global system tag, if there is one set.";
else
str += $" Your current system tag in '{ctx.Guild.Name}' is {ctx.MessageContext.SystemGuildTag.AsCode()}.";
else
{
if (ctx.MessageContext.SystemGuildTag != null)
str += $" Member names will now end with the server-specific tag {ctx.MessageContext.SystemGuildTag.AsCode()} when proxied in the current server '{ctx.Guild.Name}'.";
else
str += $" Member names will now end with the global system tag when proxied in the current server, if there is one set.";
}
}
return str;
}
if (await ctx.MatchClear("your system's server tag"))
await Clear();
else if (ctx.Match("disable") || ctx.MatchFlag("disable"))
await EnableDisable(false);
else if (ctx.Match("enable") || ctx.MatchFlag("enable"))
await EnableDisable(true);
else if (!ctx.HasNext(skipFlags: false))
await Show();
else
await Set();
}
public async Task Avatar(Context ctx)
{
ctx.CheckSystem();
async Task ClearIcon()
{
await _db.Execute(c => _repo.UpdateSystem(c, ctx.System.Id, new SystemPatch { AvatarUrl = null }));
await ctx.Reply($"{Emojis.Success} System icon cleared.");
}
async Task SetIcon(ParsedImage img)
{
await AvatarUtils.VerifyAvatarOrThrow(_client, img.Url);
await _db.Execute(c => _repo.UpdateSystem(c, ctx.System.Id, new SystemPatch { AvatarUrl = img.Url }));
var msg = img.Source switch
{
AvatarSource.User => $"{Emojis.Success} System icon changed to {img.SourceUser?.Username}'s avatar!\n{Emojis.Warn} If {img.SourceUser?.Username} changes their avatar, the system icon will need to be re-set.",
AvatarSource.Url => $"{Emojis.Success} System icon changed to the image at the given URL.",
AvatarSource.Attachment => $"{Emojis.Success} System icon changed to attached image.\n{Emojis.Warn} If you delete the message containing the attachment, the system icon will stop working.",
_ => throw new ArgumentOutOfRangeException()
};
// The attachment's already right there, no need to preview it.
var hasEmbed = img.Source != AvatarSource.Attachment;
await (hasEmbed
? ctx.Reply(msg, embed: new EmbedBuilder().Image(new(img.Url)).Build())
: ctx.Reply(msg));
}
async Task ShowIcon()
{
if ((ctx.System.AvatarUrl?.Trim() ?? "").Length > 0)
{
var eb = new EmbedBuilder()
.Title("System icon")
.Image(new(ctx.System.AvatarUrl.TryGetCleanCdnUrl()))
.Description("To clear, use `pk;system icon clear`.");
await ctx.Reply(embed: eb.Build());
}
else
throw new PKSyntaxError("This system does not have an icon set. Set one by attaching an image to this command, or by passing an image URL or @mention.");
}
if (await ctx.MatchClear("your system's icon"))
await ClearIcon();
else if (await ctx.MatchImage() is { } img)
await SetIcon(img);
else
await ShowIcon();
}
public async Task BannerImage(Context ctx)
{
ctx.CheckSystem();
async Task ClearImage()
{
await _db.Execute(c => _repo.UpdateSystem(c, ctx.System.Id, new SystemPatch { BannerImage = null }));
await ctx.Reply($"{Emojis.Success} System banner image cleared.");
}
async Task SetImage(ParsedImage img)
{
await AvatarUtils.VerifyAvatarOrThrow(_client, img.Url, isFullSizeImage: true);
await _db.Execute(c => _repo.UpdateSystem(c, ctx.System.Id, new SystemPatch { BannerImage = img.Url }));
var msg = img.Source switch
{
AvatarSource.Url => $"{Emojis.Success} System banner image changed to the image at the given URL.",
AvatarSource.Attachment => $"{Emojis.Success} System banner image changed to attached image.\n{Emojis.Warn} If you delete the message containing the attachment, the banner image will stop working.",
AvatarSource.User => throw new PKError("Cannot set a banner image to an user's avatar."),
_ => throw new ArgumentOutOfRangeException()
};
// The attachment's already right there, no need to preview it.
var hasEmbed = img.Source != AvatarSource.Attachment;
await (hasEmbed
? ctx.Reply(msg, embed: new EmbedBuilder().Image(new(img.Url)).Build())
: ctx.Reply(msg));
}
async Task ShowImage()
{
if ((ctx.System.BannerImage?.Trim() ?? "").Length > 0)
{
var eb = new EmbedBuilder()
.Title("System banner image")
.Image(new(ctx.System.BannerImage))
.Description("To clear, use `pk;system banner clear`.");
await ctx.Reply(embed: eb.Build());
}
else
throw new PKSyntaxError("This system does not have a banner image set. Set one by attaching an image to this command, or by passing an image URL or @mention.");
}
if (await ctx.MatchClear("your system's banner image"))
await ClearImage();
else if (await ctx.MatchImage() is { } img)
await SetImage(img);
else
await ShowImage();
}
public async Task Delete(Context ctx)
{
ctx.CheckSystem();
await ctx.Reply($"{Emojis.Warn} Are you sure you want to delete your system? If so, reply to this message with your system's ID (`{ctx.System.Hid}`).\n**Note: this action is permanent.**");
if (!await ctx.ConfirmWithReply(ctx.System.Hid))
throw new PKError($"System deletion cancelled. Note that you must reply with your system ID (`{ctx.System.Hid}`) *verbatim*.");
await _db.Execute(conn => _repo.DeleteSystem(conn, ctx.System.Id));
await ctx.Reply($"{Emojis.Success} System deleted.");
}
public async Task SystemProxy(Context ctx)
{
ctx.CheckSystem();
var guild = ctx.MatchGuild() ?? ctx.Guild ??
throw new PKError("You must run this command in a server or pass a server ID.");
var gs = await _db.Execute(c => _repo.GetSystemGuild(c, guild.Id, ctx.System.Id));
string serverText;
if (guild.Id == ctx.Guild?.Id)
serverText = $"this server ({guild.Name.EscapeMarkdown()})";
else
serverText = $"the server {guild.Name.EscapeMarkdown()}";
bool newValue;
if (ctx.Match("on", "enabled", "true", "yes")) newValue = true;
else if (ctx.Match("off", "disabled", "false", "no")) newValue = false;
else if (ctx.HasNext()) throw new PKSyntaxError("You must pass either \"on\" or \"off\".");
else
{
if (gs.ProxyEnabled)
await ctx.Reply($"Proxying in {serverText} is currently **enabled** for your system. To disable it, type `pk;system proxy off`.");
else
await ctx.Reply($"Proxying in {serverText} is currently **disabled** for your system. To enable it, type `pk;system proxy on`.");
return;
}
var patch = new SystemGuildPatch { ProxyEnabled = newValue };
await _db.Execute(conn => _repo.UpsertSystemGuild(conn, ctx.System.Id, guild.Id, patch));
if (newValue)
await ctx.Reply($"Message proxying in {serverText} is now **enabled** for your system.");
else
await ctx.Reply($"Message proxying in {serverText} is now **disabled** for your system.");
}
public async Task SystemTimezone(Context ctx)
{
if (ctx.System == null) throw Errors.NoSystemError;
if (await ctx.MatchClear())
{
var clearPatch = new SystemPatch { UiTz = "UTC" };
await _db.Execute(conn => _repo.UpdateSystem(conn, ctx.System.Id, clearPatch));
await ctx.Reply($"{Emojis.Success} System time zone cleared (set to UTC).");
return;
}
var zoneStr = ctx.RemainderOrNull();
if (zoneStr == null)
{
await ctx.Reply(
$"Your current system time zone is set to **{ctx.System.UiTz}**. It is currently **{SystemClock.Instance.GetCurrentInstant().FormatZoned(ctx.System)}** in that time zone. To change your system time zone, type `pk;s tz <zone>`.");
return;
}
var zone = await FindTimeZone(ctx, zoneStr);
if (zone == null) throw Errors.InvalidTimeZone(zoneStr);
var currentTime = SystemClock.Instance.GetCurrentInstant().InZone(zone);
var msg = $"This will change the system time zone to **{zone.Id}**. The current time is **{currentTime.FormatZoned()}**. Is this correct?";
if (!await ctx.PromptYesNo(msg, "Change Timezone")) throw Errors.TimezoneChangeCancelled;
var patch = new SystemPatch { UiTz = zone.Id };
await _db.Execute(conn => _repo.UpdateSystem(conn, ctx.System.Id, patch));
await ctx.Reply($"System time zone changed to **{zone.Id}**.");
}
public async Task SystemPrivacy(Context ctx)
{
ctx.CheckSystem();
Task PrintEmbed()
{
var eb = new EmbedBuilder()
.Title("Current privacy settings for your system")
.Field(new("Description", ctx.System.DescriptionPrivacy.Explanation()))
.Field(new("Member list", ctx.System.MemberListPrivacy.Explanation()))
.Field(new("Group list", ctx.System.GroupListPrivacy.Explanation()))
.Field(new("Current fronter(s)", ctx.System.FrontPrivacy.Explanation()))
.Field(new("Front/switch history", ctx.System.FrontHistoryPrivacy.Explanation()))
.Description("To edit privacy settings, use the command:\n`pk;system privacy <subject> <level>`\n\n- `subject` is one of `description`, `list`, `front`, `fronthistory`, `groups`, or `all` \n- `level` is either `public` or `private`.");
return ctx.Reply(embed: eb.Build());
}
async Task SetLevel(SystemPrivacySubject subject, PrivacyLevel level)
{
await _db.Execute(conn => _repo.UpdateSystem(conn, ctx.System.Id, new SystemPatch().WithPrivacy(subject, level)));
var levelExplanation = level switch
{
PrivacyLevel.Public => "be able to query",
PrivacyLevel.Private => "*not* be able to query",
_ => ""
};
var subjectStr = subject switch
{
SystemPrivacySubject.Description => "description",
SystemPrivacySubject.Front => "front",
SystemPrivacySubject.FrontHistory => "front history",
SystemPrivacySubject.MemberList => "member list",
SystemPrivacySubject.GroupList => "group list",
_ => ""
};
var msg = $"System {subjectStr} privacy has been set to **{level.LevelName()}**. Other accounts will now {levelExplanation} your system {subjectStr}.";
await ctx.Reply($"{Emojis.Success} {msg}");
}
async Task SetAll(PrivacyLevel level)
{
await _db.Execute(conn => _repo.UpdateSystem(conn, ctx.System.Id, new SystemPatch().WithAllPrivacy(level)));
var msg = level switch
{
PrivacyLevel.Private => $"All system privacy settings have been set to **{level.LevelName()}**. Other accounts will now not be able to view your member list, group list, front history, or system description.",
PrivacyLevel.Public => $"All system privacy settings have been set to **{level.LevelName()}**. Other accounts will now be able to view everything.",
_ => ""
};
await ctx.Reply($"{Emojis.Success} {msg}");
}
if (!ctx.HasNext())
await PrintEmbed();
else if (ctx.Match("all"))
await SetAll(ctx.PopPrivacyLevel());
else
await SetLevel(ctx.PopSystemPrivacySubject(), ctx.PopPrivacyLevel());
}
public async Task SystemPing(Context ctx)
{
ctx.CheckSystem();
if (!ctx.HasNext())
{
if (ctx.System.PingsEnabled) { await ctx.Reply("Reaction pings are currently **enabled** for your system. To disable reaction pings, type `pk;s ping disable`."); }
else { await ctx.Reply("Reaction pings are currently **disabled** for your system. To enable reaction pings, type `pk;s ping enable`."); }
}
else
{
if (ctx.Match("on", "enable"))
{
var patch = new SystemPatch { PingsEnabled = true };
await _db.Execute(conn => _repo.UpdateSystem(conn, ctx.System.Id, patch));
await ctx.Reply("Reaction pings have now been enabled.");
}
if (ctx.Match("off", "disable"))
{
var patch = new SystemPatch { PingsEnabled = false };
await _db.Execute(conn => _repo.UpdateSystem(conn, ctx.System.Id, patch));
await ctx.Reply("Reaction pings have now been disabled.");
}
}
}
public async Task<DateTimeZone> FindTimeZone(Context ctx, string zoneStr)
{
// First, if we're given a flag emoji, we extract the flag emoji code from it.
zoneStr = Core.StringUtils.ExtractCountryFlag(zoneStr) ?? zoneStr;
// Then, we find all *locations* matching either the given country code or the country name.
var locations = TzdbDateTimeZoneSource.Default.Zone1970Locations;
var matchingLocations = locations.Where(l => l.Countries.Any(c =>
string.Equals(c.Code, zoneStr, StringComparison.InvariantCultureIgnoreCase) ||
string.Equals(c.Name, zoneStr, StringComparison.InvariantCultureIgnoreCase)));
// Then, we find all (unique) time zone IDs that match.
var matchingZones = matchingLocations.Select(l => DateTimeZoneProviders.Tzdb.GetZoneOrNull(l.ZoneId))
.Distinct().ToList();
// If the set of matching zones is empty (ie. we didn't find anything), we try a few other things.
if (matchingZones.Count == 0)
{
// First, we try to just find the time zone given directly and return that.
var givenZone = DateTimeZoneProviders.Tzdb.GetZoneOrNull(zoneStr);
if (givenZone != null) return givenZone;
// If we didn't find anything there either, we try parsing the string as an offset, then
// find all possible zones that match that offset. For an offset like UTC+2, this doesn't *quite*
// work, since there are 57(!) matching zones (as of 2019-06-13) - but for less populated time zones
// this could work nicely.
var inputWithoutUtc = zoneStr.Replace("UTC", "").Replace("GMT", "");
var res = OffsetPattern.CreateWithInvariantCulture("+H").Parse(inputWithoutUtc);
if (!res.Success) res = OffsetPattern.CreateWithInvariantCulture("+H:mm").Parse(inputWithoutUtc);
// If *this* didn't parse correctly, fuck it, bail.
if (!res.Success) return null;
var offset = res.Value;
// To try to reduce the count, we go by locations from the 1970+ database instead of just the full database
// This elides regions that have been identical since 1970, omitting small distinctions due to Ancient History(tm).
var allZones = TzdbDateTimeZoneSource.Default.Zone1970Locations.Select(l => l.ZoneId).Distinct();
matchingZones = allZones.Select(z => DateTimeZoneProviders.Tzdb.GetZoneOrNull(z))
.Where(z => z.GetUtcOffset(SystemClock.Instance.GetCurrentInstant()) == offset).ToList();
}
// If we have a list of viable time zones, we ask the user which is correct.
// If we only have one, return that one.
if (matchingZones.Count == 1)
return matchingZones.First();
// Otherwise, prompt and return!
return await ctx.Choose("There were multiple matches for your time zone query. Please select the region that matches you the closest:", matchingZones,
z =>
{
if (TzdbDateTimeZoneSource.Default.Aliases.Contains(z.Id))
return $"**{z.Id}**, {string.Join(", ", TzdbDateTimeZoneSource.Default.Aliases[z.Id])}";
return $"**{z.Id}**";
});
}
}
}