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preserve attachments of logged messages via HTTP request #477

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Merged
merged 1 commit into from
Mar 31, 2024
Merged

preserve attachments of logged messages via HTTP request #477

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18 changes: 18 additions & 0 deletions src/main/java/net/discordjug/javabot/data/h2db/message_cache/MessageCache.java
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,10 @@

import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse.BodyHandlers;
import java.nio.charset.StandardCharsets;
import java.time.Instant;
import java.time.ZoneOffset;
Expand Down Expand Up @@ -137,9 +141,23 @@ public void sendDeletedMessageToLog(Guild guild, MessageChannel channel, CachedM
action.addFiles(FileUpload.fromData(buildDeletedMessageFile(author, message), message.getMessageId() + ".txt"));
}
action.queue();
requestMessageAttachments(message);
});
}

/**
* Requests each attachment from Discord's CDN.
* This is done in order to prevent Discord from deleting the attachment too quickly.
* @param message the cached message
*/
private void requestMessageAttachments(CachedMessage message) {
HttpClient client = HttpClient.newHttpClient();
for (String attachment : message.getAttachments()) {
HttpRequest request = HttpRequest.newBuilder(URI.create(attachment)).build();
client.sendAsync(request, BodyHandlers.discarding());
}
}

private EmbedBuilder buildMessageCacheEmbed(MessageChannel channel, User author, CachedMessage before) {
long epoch = IdCalculatorCommand.getTimestampFromId(before.getMessageId()) / 1000;
return new EmbedBuilder()
Expand Down