96 lines
3.6 KiB
C#
96 lines
3.6 KiB
C#
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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(ILogger logger,
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DatabaseContext db,
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RoleCache roleCache,
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WebhookExecutorService webhookExecutor) : 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("Received role update event for {RoleId} but it wasn't cached, ignoring", evt.Role.ID);
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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 (newRole.IsHoisted != oldRole.IsHoisted || newRole.IsMentionable != oldRole.IsMentionable)
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{
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embed.AddField(
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"\u200b", $"**Mentionable:** {newRole.IsMentionable}\n**Shown separately:** {newRole.IsHoisted}");
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}
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if (newRole.Colour != oldRole.Colour)
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{
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embed.AddField("Colour",
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$"**Before:** {oldRole.Colour.ToPrettyString()}\n**After:** {newRole.Colour.ToPrettyString()}");
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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("\n", PermissionUpdate(oldRole.Permissions, newRole.Permissions));
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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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{
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_logger.Debug("We don't care about update of role {RoleId}, ignoring", evt.Role.ID);
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return Result.Success;
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}
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var guildConfig = await db.GetGuildAsync(evt.GuildID, ct);
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webhookExecutor.QueueLog(guildConfig, LogChannelType.GuildRoleUpdate, embed.Build().GetOrThrow());
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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(IDiscordPermissionSet oldValue, IDiscordPermissionSet newValue)
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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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