PluralKit/PluralKit.Bot/Commands/SystemCommands.cs
2019-10-18 13:37:09 +02:00

301 lines
14 KiB
C#

using System;
using System.Linq;
using System.Threading.Tasks;
using Discord;
using Humanizer;
using NodaTime;
using NodaTime.Text;
using NodaTime.TimeZones;
using PluralKit.Bot.CommandSystem;
using PluralKit.Core;
namespace PluralKit.Bot.Commands
{
public class SystemCommands
{
private SystemStore _systems;
private MemberStore _members;
private SwitchStore _switches;
private EmbedService _embeds;
private ProxyCacheService _proxyCache;
public SystemCommands(SystemStore systems, MemberStore members, SwitchStore switches, EmbedService embeds, ProxyCacheService proxyCache)
{
_systems = systems;
_members = members;
_switches = switches;
_embeds = embeds;
_proxyCache = proxyCache;
}
public async Task Query(Context ctx, PKSystem system) {
if (system == null) throw Errors.NoSystemError;
await ctx.Reply(embed: await _embeds.CreateSystemEmbed(system));
}
public async Task New(Context ctx)
{
ctx.CheckNoSystem();
var system = await _systems.Create(ctx.RemainderOrNull());
await _systems.Link(system, ctx.Author.Id);
await ctx.Reply($"{Emojis.Success} Your system has been created. Type `pk;system` to view it, and type `pk;help` for more information about commands you can use now.");
}
public async Task Name(Context ctx)
{
ctx.CheckSystem();
var newSystemName = ctx.RemainderOrNull();
if (newSystemName != null && newSystemName.Length > Limits.MaxSystemNameLength) throw Errors.SystemNameTooLongError(newSystemName.Length);
ctx.System.Name = newSystemName;
await _systems.Save(ctx.System);
await ctx.Reply($"{Emojis.Success} System name {(newSystemName != null ? "changed" : "cleared")}.");
}
public async Task Description(Context ctx) {
ctx.CheckSystem();
var newDescription = ctx.RemainderOrNull();
if (newDescription != null && newDescription.Length > Limits.MaxDescriptionLength) throw Errors.DescriptionTooLongError(newDescription.Length);
ctx.System.Description = newDescription;
await _systems.Save(ctx.System);
await ctx.Reply($"{Emojis.Success} System description {(newDescription != null ? "changed" : "cleared")}.");
}
public async Task Tag(Context ctx)
{
ctx.CheckSystem();
var newTag = ctx.RemainderOrNull();
ctx.System.Tag = newTag;
if (newTag != null)
{
if (newTag.Length > Limits.MaxSystemTagLength) throw Errors.SystemNameTooLongError(newTag.Length);
// Check unproxyable messages *after* changing the tag (so it's seen in the method) but *before* we save to DB (so we can cancel)
var unproxyableMembers = await _members.GetUnproxyableMembers(ctx.System);
if (unproxyableMembers.Count > 0)
{
var msg = await ctx.Reply(
$"{Emojis.Warn} Changing your system tag to '{newTag.SanitizeMentions()}' will result in the following members being unproxyable, since the tag would bring their name over {Limits.MaxProxyNameLength} characters:\n**{string.Join(", ", unproxyableMembers.Select((m) => m.Name.SanitizeMentions()))}**\nDo you want to continue anyway?");
if (!await ctx.PromptYesNo(msg)) throw new PKError("Tag change cancelled.");
}
}
await _systems.Save(ctx.System);
await ctx.Reply($"{Emojis.Success} System tag {(newTag != null ? "changed" : "cleared")}.");
await _proxyCache.InvalidateResultsForSystem(ctx.System);
}
public async Task SystemAvatar(Context ctx)
{
ctx.CheckSystem();
var member = await ctx.MatchUser();
if (member != null)
{
if (member.AvatarId == null) throw Errors.UserHasNoAvatar;
ctx.System.AvatarUrl = member.GetAvatarUrl(ImageFormat.Png, size: 256);
await _systems.Save(ctx.System);
var embed = new EmbedBuilder().WithImageUrl(ctx.System.AvatarUrl).Build();
await ctx.Reply(
$"{Emojis.Success} System avatar changed to {member.Username}'s avatar! {Emojis.Warn} Please note that if {member.Username} changes their avatar, the system's avatar will need to be re-set.", embed: embed);
}
else
{
string url = ctx.RemainderOrNull() ?? ctx.Message.Attachments.FirstOrDefault()?.ProxyUrl;
if (url != null) await ctx.BusyIndicator(() => Utils.VerifyAvatarOrThrow(url));
ctx.System.AvatarUrl = url;
await _systems.Save(ctx.System);
var embed = url != null ? new EmbedBuilder().WithImageUrl(url).Build() : null;
await ctx.Reply($"{Emojis.Success} System avatar {(url == null ? "cleared" : "changed")}.", embed: embed);
}
await _proxyCache.InvalidateResultsForSystem(ctx.System);
}
public async Task Delete(Context ctx) {
ctx.CheckSystem();
var msg = await ctx.Reply($"{Emojis.Warn} Are you sure you want to delete your system? If so, reply to this message with your system's ID (`{ctx.System.Hid}`).\n**Note: this action is permanent.**");
var reply = await ctx.AwaitMessage(ctx.Channel, ctx.Author, timeout: TimeSpan.FromMinutes(1));
if (reply.Content != ctx.System.Hid) throw new PKError($"System deletion cancelled. Note that you must reply with your system ID (`{ctx.System.Hid}`) *verbatim*.");
await _systems.Delete(ctx.System);
await ctx.Reply($"{Emojis.Success} System deleted.");
await _proxyCache.InvalidateResultsForSystem(ctx.System);
}
public async Task MemberShortList(Context ctx, PKSystem system) {
if (system == null) throw Errors.NoSystemError;
var members = await _members.GetBySystem(system);
var embedTitle = system.Name != null ? $"Members of {system.Name.SanitizeMentions()} (`{system.Hid}`)" : $"Members of `{system.Hid}`";
await ctx.Paginate<PKMember>(
members.OrderBy(m => m.Name.ToLower()).ToList(),
25,
embedTitle,
(eb, ms) => eb.Description = string.Join("\n", ms.Select((m) => {
if (m.HasProxyTags) return $"[`{m.Hid}`] **{m.Name.SanitizeMentions()}** *({m.ProxyString.SanitizeMentions()})*";
return $"[`{m.Hid}`] **{m.Name.SanitizeMentions()}**";
}))
);
}
public async Task MemberLongList(Context ctx, PKSystem system) {
if (system == null) throw Errors.NoSystemError;
var members = await _members.GetBySystem(system);
var embedTitle = system.Name != null ? $"Members of {system.Name} (`{system.Hid}`)" : $"Members of `{system.Hid}`";
await ctx.Paginate<PKMember>(
members.OrderBy(m => m.Name.ToLower()).ToList(),
5,
embedTitle,
(eb, ms) => {
foreach (var m in ms) {
var profile = $"**ID**: {m.Hid}";
if (m.Pronouns != null) profile += $"\n**Pronouns**: {m.Pronouns}";
if (m.Birthday != null) profile += $"\n**Birthdate**: {m.BirthdayString}";
if (m.Prefix != null || m.Suffix != null) profile += $"\n**Proxy tags**: {m.ProxyString}";
if (m.Description != null) profile += $"\n\n{m.Description}";
eb.AddField(m.Name, profile.Truncate(1024));
}
}
);
}
public async Task SystemFronter(Context ctx, PKSystem system)
{
if (system == null) throw Errors.NoSystemError;
var sw = await _switches.GetLatestSwitch(system);
if (sw == null) throw Errors.NoRegisteredSwitches;
await ctx.Reply(embed: await _embeds.CreateFronterEmbed(sw, system.Zone));
}
public async Task SystemFrontHistory(Context ctx, PKSystem system)
{
if (system == null) throw Errors.NoSystemError;
var sws = (await _switches.GetSwitches(system, 10)).ToList();
if (sws.Count == 0) throw Errors.NoRegisteredSwitches;
await ctx.Reply(embed: await _embeds.CreateFrontHistoryEmbed(sws, system.Zone));
}
public async Task SystemFrontPercent(Context ctx, PKSystem system)
{
if (system == null) throw Errors.NoSystemError;
string durationStr = ctx.RemainderOrNull() ?? "30d";
var now = SystemClock.Instance.GetCurrentInstant();
var rangeStart = PluralKit.Utils.ParseDateTime(durationStr);
if (rangeStart == null) throw Errors.InvalidDateTime(durationStr);
if (rangeStart.Value.ToInstant() > now) throw Errors.FrontPercentTimeInFuture;
var frontpercent = await _switches.GetPerMemberSwitchDuration(system, rangeStart.Value.ToInstant(), now);
await ctx.Reply(embed: await _embeds.CreateFrontPercentEmbed(frontpercent, system.Zone));
}
public async Task SystemTimezone(Context ctx)
{
if (ctx.System == null) throw Errors.NoSystemError;
var zoneStr = ctx.RemainderOrNull();
if (zoneStr == null)
{
ctx.System.UiTz = "UTC";
await _systems.Save(ctx.System);
await ctx.Reply($"{Emojis.Success} System time zone cleared.");
return;
}
var zone = await FindTimeZone(ctx, zoneStr);
if (zone == null) throw Errors.InvalidTimeZone(zoneStr);
var currentTime = SystemClock.Instance.GetCurrentInstant().InZone(zone);
var msg = await ctx.Reply(
$"This will change the system time zone to {zone.Id}. The current time is {Formats.ZonedDateTimeFormat.Format(currentTime)}. Is this correct?");
if (!await ctx.PromptYesNo(msg)) throw Errors.TimezoneChangeCancelled;
ctx.System.UiTz = zone.Id;
await _systems.Save(ctx.System);
await ctx.Reply($"System time zone changed to {zone.Id}.");
}
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 = PluralKit.Utils.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}**";
});
}
}
}