130 lines
4.5 KiB
C#
130 lines
4.5 KiB
C#
// Copyright (C) 2021-present sam (starshines.gay)
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published
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// by the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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using Catalogger.Backend.Cache.InMemoryCache;
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using Catalogger.Backend.Database;
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using Catalogger.Backend.Database.Queries;
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using Catalogger.Backend.Extensions;
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using Catalogger.Backend.Services;
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using Humanizer;
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using Remora.Discord.API.Abstractions.Gateway.Events;
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using Remora.Discord.API.Abstractions.Objects;
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using Remora.Discord.Extensions.Embeds;
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using Remora.Discord.Gateway.Responders;
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using Remora.Results;
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namespace Catalogger.Backend.Bot.Responders.Roles;
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public class RoleUpdateResponder(
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ILogger logger,
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DatabaseContext db,
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RoleCache roleCache,
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WebhookExecutorService webhookExecutor
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) : IResponder<IGuildRoleUpdate>
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{
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private readonly ILogger _logger = logger.ForContext<RoleUpdateResponder>();
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public async Task<Result> RespondAsync(IGuildRoleUpdate evt, CancellationToken ct = default)
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{
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try
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{
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var newRole = evt.Role;
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if (!roleCache.TryGet(evt.Role.ID, out var oldRole))
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{
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_logger.Information(
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"Received role update event for {RoleId} but it wasn't cached, ignoring",
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evt.Role.ID
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);
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return Result.Success;
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}
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var embed = new EmbedBuilder()
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.WithTitle($"Role \"{evt.Role.Name}\" updated")
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.WithColour(DiscordUtils.Blue)
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.WithFooter($"ID: {evt.Role.ID}")
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.WithCurrentTimestamp();
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if (newRole.Name != oldRole.Name)
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{
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embed.AddField("Name", $"**Before:** {oldRole.Name}\n**After:** {newRole.Name}");
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}
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if (
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newRole.IsHoisted != oldRole.IsHoisted
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|| newRole.IsMentionable != oldRole.IsMentionable
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)
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{
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embed.AddField(
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"\u200b",
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$"**Mentionable:** {newRole.IsMentionable}\n**Shown separately:** {newRole.IsHoisted}"
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);
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}
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if (newRole.Colour != oldRole.Colour)
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{
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embed.AddField(
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"Colour",
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$"**Before:** {oldRole.Colour.ToPrettyString()}\n**After:** {newRole.Colour.ToPrettyString()}"
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);
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}
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if (newRole.Permissions.Value != oldRole.Permissions.Value)
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{
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var diff = string.Join(
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"\n",
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PermissionUpdate(oldRole.Permissions, newRole.Permissions)
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);
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embed.AddField("Permissions", $"```diff\n{diff}\n```");
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}
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// All updates are shown in fields. If there are no fields, there were no updates we care about
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// (we don't care about position, for example, because it's not actually useful)
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if (embed.Fields.Count == 0)
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return Result.Success;
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var guildConfig = await db.GetGuildAsync(evt.GuildID, false, ct);
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webhookExecutor.QueueLog(
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guildConfig,
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LogChannelType.GuildRoleUpdate,
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embed.Build().GetOrThrow()
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);
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}
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finally
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{
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roleCache.Set(evt.Role, evt.GuildID);
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}
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return Result.Success;
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}
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private static IEnumerable<string> PermissionUpdate(
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IDiscordPermissionSet oldValue,
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IDiscordPermissionSet newValue
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)
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{
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foreach (var perm in Enum.GetValues<DiscordPermission>())
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{
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if (!oldValue.HasPermission(perm) && newValue.HasPermission(perm))
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{
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yield return $"+ {perm.Humanize(LetterCasing.Title)}";
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}
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else if (oldValue.HasPermission(perm) && !newValue.HasPermission(perm))
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{
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yield return $"- {perm.Humanize(LetterCasing.Title)}";
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}
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}
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}
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}
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