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Export reaction users in JSON format (#1107)

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Adam Slatinský 2023-07-31 19:11:47 +02:00 • committed by GitHub
parent b224fca6c0
commit d00ecf0c37
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42
DiscordChatExporter.Core/Discord/DiscordClient.cs
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@ -484,4 +484,46 @@ public class DiscordClient
}
}
}
public async IAsyncEnumerable<User> GetMessageReactionsAsync(
Snowflake channelId,
Snowflake messageId,
Emoji emoji,
[EnumeratorCancellation] CancellationToken cancellationToken = default)
{
var reactionName = Uri.EscapeDataString(
emoji.Id is not null
// Custom emoji
? emoji.Name + ':' + emoji.Id
// Standard emoji
: emoji.Name
);
var currentAfter = Snowflake.Zero;
while (true)
{
var url = new UrlBuilder()
.SetPath($"channels/{channelId}/messages/{messageId}/reactions/{reactionName}")
.SetQueryParameter("limit", "100")
.SetQueryParameter("after", currentAfter.ToString())
.Build();
var response = await GetJsonResponseAsync(url, cancellationToken);
var users = response.EnumerateArray().Select(User.Parse).ToArray();
if (!users.Any())
yield break;
foreach (var user in users)
{
yield return user;
currentAfter = user.Id;
}
// Each batch can contain up to 100 users.
// If we got fewer, then it's definitely the last batch.
if (users.Length < 100)
yield break;
}
}
}

31
DiscordChatExporter.Core/Exporting/JsonMessageWriter.cs
View file

@ -360,6 +360,37 @@ internal class JsonMessageWriter : MessageWriter
_writer.WriteNumber("count", reaction.Count);
_writer.WriteStartArray("users");
var users = await Context.Discord.GetMessageReactionsAsync(Context.Request.Channel.Id, message.Id, reaction.Emoji, cancellationToken);
foreach (var user in users) {
// write limited user information without color and roles,
// because if we would write the full user information,
// we would have to fetch the guild member information for each user
// which would be a lot of requests
_writer.WriteStartObject();
_writer.WriteString("id", user.Id.ToString());
_writer.WriteString("name", user.Name);
_writer.WriteString("discriminator", user.DiscriminatorFormatted);
_writer.WriteString("nickname", Context.TryGetMember(user.Id)?.DisplayName ?? user.DisplayName);
_writer.WriteBoolean("isBot", user.IsBot);
_writer.WriteString(
"avatarUrl",
await Context.ResolveAssetUrlAsync(
Context.TryGetMember(user.Id)?.AvatarUrl ?? user.AvatarUrl,
cancellationToken
)
);
_writer.WriteEndObject();
await _writer.FlushAsync(cancellationToken);
}
_writer.WriteEndArray();
_writer.WriteEndObject();
}