Restructure message info embed queries

This fixes several long-standing issues wrt. handling of senders that are no longer on the server and deleted accounts, as well as an error handling issue caused by the DSharpPlus migration.
This commit is contained in:
Ske 2020-05-08 00:57:17 +02:00
parent 53582997f0
commit cb8234b272
2 changed files with 21 additions and 22 deletions

View File

@ -5,6 +5,7 @@ using System.Threading.Tasks;
using DSharpPlus;
using DSharpPlus.Entities;
using DSharpPlus.Exceptions;
using Humanizer;
using NodaTime;
@ -145,40 +146,38 @@ namespace PluralKit.Bot {
var channel = await client.GetChannelAsync(msg.Message.Channel);
var serverMsg = channel != null ? await channel.GetMessageAsync(msg.Message.Mid) : null;
var memberStr = $"{msg.Member.Name} (`{msg.Member.Hid}`)";
// Need this whole dance to handle cases where:
// - the user is deleted (userInfo == null)
// - the bot's no longer in the server we're querying (channel == null)
// - the member is no longer in the server we're querying (memberInfo == null)
DiscordMember memberInfo = null;
DiscordUser userInfo = null;
if (channel != null) try { memberInfo = await channel.Guild.GetMemberAsync(msg.Message.Sender); } catch (NotFoundException) { }
if (memberInfo != null) userInfo = memberInfo; // Don't do an extra request if we already have this info from the member lookup
else try { userInfo = await client.GetUserAsync(msg.Message.Sender); } catch (NotFoundException) { }
var userStr = $"*(deleted user {msg.Message.Sender})*";
ICollection<DiscordRole> roles = null;
if (channel != null)
{
// Look up the user with the REST client
// this ensures we'll still get the information even if the user's not cached,
// even if this means an extra API request (meh, it'll be fine)
var guildUser = await channel.Guild.GetMemberAsync(msg.Message.Sender);
if (guildUser != null)
{
roles = guildUser.Roles
.Where(role => role.Name != "@everyone")
.OrderByDescending(role => role.Position)
.ToList();
userStr = guildUser.Nickname != null ? $"**Username:** {guildUser?.NameAndMention()}\n**Nickname:** {guildUser.Nickname}" : guildUser.NameAndMention();
}
}
// Calculate string displayed under "Sent by"
string userStr;
if (memberInfo != null && memberInfo.Nickname != null)
userStr = $"**Username:** {memberInfo.NameAndMention()}\n**Nickname:** {memberInfo.Nickname}";
else if (userInfo != null) userStr = userInfo.NameAndMention();
else userStr = $"*(deleted user {msg.Message.Sender})*";
// Put it all together
var eb = new DiscordEmbedBuilder()
.WithAuthor(msg.Member.Name, iconUrl: DiscordUtils.WorkaroundForUrlBug(msg.Member.AvatarUrl))
.WithDescription(serverMsg?.Content?.NormalizeLineEndSpacing() ?? "*(message contents deleted or inaccessible)*")
.WithImageUrl(serverMsg?.Attachments?.FirstOrDefault()?.Url)
.AddField("System",
msg.System.Name != null ? $"{msg.System.Name} (`{msg.System.Hid}`)" : $"`{msg.System.Hid}`", true)
.AddField("Member", memberStr, true)
.AddField("Member", $"{msg.Member.Name} (`{msg.Member.Hid}`)", true)
.AddField("Sent by", userStr, inline: true)
.WithTimestamp(DiscordUtils.SnowflakeToInstant(msg.Message.Mid).ToDateTimeOffset());
var roles = memberInfo?.Roles?.ToList();
if (roles != null && roles.Count > 0)
eb.AddField($"Account roles ({roles.Count})", string.Join(", ", roles.Select(role => role.Name)));
return eb.Build();
}

View File

@ -88,7 +88,7 @@ namespace PluralKit.Bot
public static string WorkaroundForUrlBug(string input)
{
// Workaround for https://github.com/DSharpPlus/DSharpPlus/issues/565
return input.Replace("%20", "+");
return input?.Replace("%20", "+");
}
}
}