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fix: prevent duplicate Discord messages for long content #159

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renezander030 wants to merge 1 commit into from
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fix: prevent duplicate Discord messages for long content #159

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23 changes: 10 additions & 13 deletions src/discord.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -223,25 +223,22 @@ async fn stream_prompt(
let mut buf_rx = buf_rx.clone();
tokio::spawn(async move {
let mut last_content = String::new();
let mut current_edit_msg = msg_id;
let current_edit_msg = msg_id;
loop {
tokio::time::sleep(std::time::Duration::from_millis(1500)).await;
if buf_rx.has_changed().unwrap_or(false) {
let content = buf_rx.borrow_and_update().clone();
if content != last_content {
if content.len() > 1900 {
let chunks = format::split_message(&content, 1900);
if let Some(first) = chunks.first() {
let _ = edit(&ctx, channel, current_edit_msg, first).await;
}
for chunk in chunks.iter().skip(1) {
if let Ok(new_msg) = channel.say(&ctx.http, chunk).await {
current_edit_msg = new_msg.id;
}
}
// During streaming, only edit the single placeholder message.
// If content exceeds 1900 chars, truncate with ellipsis —
// this is a live preview, not the final output.
// The final edit after streaming handles proper multi-message splitting.
let display = if content.len() > 1900 {
format!("{}…", &content[..1900])
} else {
let _ = edit(&ctx, channel, current_edit_msg, &content).await;
}
content.clone()
};
let _ = edit(&ctx, channel, current_edit_msg, &display).await;
last_content = content;
}
}
Expand Down