Netdex · Netdex · Aug 9, 2025 · Aug 9, 2025
diff --git a/niinii/src/app.rs b/niinii/src/app.rs
@@ -165,7 +165,7 @@ impl App {
         }
     }
 
-    fn transition(&mut self, ui: &Ui, state: State) {
+    fn transition(&mut self, _ui: &Ui, state: State) {
         self.state = state;
     }
 
@@ -213,14 +213,11 @@ impl App {
             }
         }
 
-        match &self.state {
-            State::Completed => {
-                if let Some(request_gloss_text) = self.request_gloss_text.clone() {
-                    self.request_gloss_text = None;
-                    self.request_parse(ui, &request_gloss_text);
-                }
+        if let State::Completed = &self.state {
+            if let Some(request_gloss_text) = self.request_gloss_text.clone() {
+                self.request_gloss_text = None;
+                self.request_parse(ui, &request_gloss_text);
             }
-            _ => (),
         };
 
         if self.settings.watch_clipboard {

diff --git a/niinii/src/settings.rs b/niinii/src/settings.rs
@@ -36,6 +36,7 @@ pub struct ChatSettings {
     pub presence_penalty: Option<f32>,
     pub connection_timeout: u64,
     pub timeout: u64,
+    pub stream: bool,
 }
 impl Default for ChatSettings {
     fn default() -> Self {
@@ -51,6 +52,7 @@ impl Default for ChatSettings {
             presence_penalty: None,
             connection_timeout: 3000,
             timeout: 10000,
+            stream: true,
         }
     }
 }

diff --git a/niinii/src/translator/chat.rs b/niinii/src/translator/chat.rs
@@ -53,7 +53,7 @@ impl Translator for ChatTranslator {
         let chatgpt = &settings.chat;
 
         let permit = self.semaphore.clone().acquire_owned().await.unwrap();
-        let mut exchange = {
+        let exchange = {
             let mut chat = self.chat.lock().await;
             chat.start_exchange(
                 Message {
@@ -74,47 +74,54 @@ impl Translator for ChatTranslator {
             messages: exchange.prompt(),
             temperature: chatgpt.temperature,
             top_p: chatgpt.top_p,
-            max_tokens: chatgpt.max_tokens,
+            max_completion_tokens: chatgpt.max_tokens,
             presence_penalty: chatgpt.presence_penalty,
             ..Default::default()
         };
 
         let exchange = Arc::new(Mutex::new(exchange));
-        let mut stream = self.client.stream(chat_request).await?;
         let token = CancellationToken::new();
-        let chat = &self.chat;
-        tokio::spawn(
-            enclose! { (chat, token, exchange, chatgpt.max_context_tokens => max_context_tokens) async move {
-                // Hold permit: We are not allowed to begin another translation
-                // request until this one is complete.
-                let _permit = permit;
-                loop {
-                    tokio::select! {
-                        msg = stream.next() => match msg {
-                            Some(Ok(completion)) => {
-                                let mut exchange = exchange.lock().await;
-                                let message = &completion.choices.first().unwrap().delta;
-                                exchange.append(message)
+        if chatgpt.stream {
+            let mut stream = self.client.stream(chat_request).await?;
+            let chat = &self.chat;
+            tokio::spawn(
+                enclose! { (chat, token, exchange, chatgpt.max_context_tokens => max_context_tokens) async move {
+                    // Hold permit: We are not allowed to begin another translation
+                    // request until this one is complete.
+                    let _permit = permit;
+                    loop {
+                        tokio::select! {
+                            msg = stream.next() => match msg {
+                                Some(Ok(completion)) => {
+                                    let mut exchange = exchange.lock().await;
+                                    let message = &completion.choices.first().unwrap().delta;
+                                    exchange.append_partial(message)
+                                },
+                                Some(Err(err)) => {
+                                    tracing::error!(%err, "stream");
+                                    break
+                                },
+                                None => {
+                                    let mut chat = chat.lock().await;
+                                    let mut exchange = exchange.lock().await;
+                                    chat.commit(&mut exchange);
+                                    chat.enforce_context_limit(max_context_tokens);
+                                    break
+                                }
                             },
-                            Some(Err(err)) => {
-                                tracing::error!(%err, "stream");
-                                break
-                            },
-                            None => {
-                                let mut chat = chat.lock().await;
-                                let mut exchange = exchange.lock().await;
-                                chat.commit(&mut exchange);
-                                chat.enforce_context_limit(max_context_tokens);
+                            _ = token.cancelled() => {
                                 break
                             }
-                        },
-                        _ = token.cancelled() => {
-                            break
                         }
                     }
-                }
-            }.instrument(tracing::Span::current())},
-        );
+                }.instrument(tracing::Span::current())},
+            );
+        } else {
+            let response = self.client.chat(chat_request).await?;
+            let mut e = exchange.lock().await;
+            e.set_complete(response.choices.first().unwrap().message.clone());
+            self.chat.lock().await.commit(&mut e);
+        }
 
         Ok(Box::new(ChatTranslation {
             model: chatgpt.model,

diff --git a/niinii/src/view/translator/chat.rs b/niinii/src/view/translator/chat.rs
@@ -4,7 +4,7 @@ use openai_chat::chat::{Model, Role};
 use crate::{
     settings::Settings,
     translator::chat::{ChatTranslation, ChatTranslator},
-    view::mixins::drag_handle,
+    view::mixins::{drag_handle, help_marker},
 };
 
 use crate::view::{
@@ -30,7 +30,10 @@ impl View for ViewChatTranslator<'_> {
             }
         });
         if ui.collapsing_header("Tuning", TreeNodeFlags::DEFAULT_OPEN) {
-            if let Some(_token) = ui.begin_table("##", 2) {
+            if let Some(_token) = ui.begin_table("##", 3) {
+                ui.table_next_column();
+                ui.set_next_item_width(ui.current_font_size() * -8.0);
+                combo_enum(ui, "Model", &mut chatgpt.model);
                 ui.table_next_column();
                 ui.set_next_item_width(ui.current_font_size() * -8.0);
                 ui.input_scalar("Max context tokens", &mut chatgpt.max_context_tokens)
@@ -75,8 +78,12 @@ impl View for ViewChatTranslator<'_> {
                     },
                 );
                 ui.table_next_column();
-                ui.set_next_item_width(ui.current_font_size() * -8.0);
-                combo_enum(ui, "Model", &mut chatgpt.model);
+                ui.checkbox("Stream", &mut chatgpt.stream);
+                ui.same_line();
+                help_marker(
+                    ui,
+                    "Use streaming API (may require ID verification for some models)",
+                );
             }
         }
         ui.child_window("context_window").build(|| {
@@ -194,13 +201,15 @@ impl View for ViewChatTranslation<'_> {
         let _wrap_token = ui.push_text_wrap_pos_with_pos(0.0);
         ui.text(""); // anchor for line wrapping
         ui.same_line();
-        let ChatTranslation { exchange, .. } = self.0;
+        let ChatTranslation {
+            model, exchange, ..
+        } = self.0;
         let exchange = exchange.blocking_lock();
         let draw_list = ui.get_window_draw_list();
         stroke_text_with_highlight(
             ui,
             &draw_list,
-            "[ChatGPT]",
+            &format!("[{}]", std::convert::Into::<&'static str>::into(model)),
             1.0,
             Some(StyleColor::NavHighlight),
         );

diff --git a/openai-chat/src/chat/chat_buffer.rs b/openai-chat/src/chat/chat_buffer.rs
@@ -89,7 +89,7 @@ pub struct Exchange {
     usage: Option<Usage>,
 }
 impl Exchange {
-    pub fn append(&mut self, partial: &PartialMessage) {
+    pub fn append_partial(&mut self, partial: &PartialMessage) {
         if let Some(last) = &mut self.response {
             if let Some(content) = &mut last.content {
                 content.push_str(&partial.content)
@@ -104,6 +104,10 @@ impl Exchange {
         }
     }
 
+    pub fn set_complete(&mut self, message: Message) {
+        self.response = Some(message);
+    }
+
     pub fn prompt(&self) -> Vec<Message> {
         let mut messages = vec![];
         messages.push(self.system.clone());

diff --git a/openai-chat/src/chat/mod.rs b/openai-chat/src/chat/mod.rs
@@ -11,7 +11,7 @@ pub use crate::protocol::chat::{Message, Model, PartialMessage, Role, Usage};
 pub use chat_buffer::{ChatBuffer, Exchange};
 
 use crate::{
-    protocol::chat::{self, StreamResponse},
+    protocol::chat::{self, ChatResponse, StreamOptions, StreamResponse},
     Client, Error,
 };
 
@@ -37,7 +37,7 @@ pub struct Request {
     /// The maximum number of tokens allowed for the generated answer. By
     /// default, the number of tokens the model can return will be (4096 - prompt
     /// tokens).
-    pub max_tokens: Option<u32>,
+    pub max_completion_tokens: Option<u32>,
     /// Number between -2.0 and 2.0. Positive values penalize new tokens based
     /// on whether they appear in the text so far, increasing the model's
     /// likelihood to talk about new topics.
@@ -51,7 +51,7 @@ impl From<Request> for chat::Request {
             temperature,
             top_p,
             n,
-            max_tokens,
+            max_completion_tokens,
             presence_penalty,
         } = value;
         chat::Request {
@@ -60,7 +60,7 @@ impl From<Request> for chat::Request {
             temperature,
             top_p,
             n,
-            max_tokens,
+            max_completion_tokens,
             presence_penalty,
             ..Default::default()
         }
@@ -71,7 +71,7 @@ impl Client {
     #[tracing::instrument(level = Level::DEBUG, skip_all, err)]
     pub async fn chat(&self, request: Request) -> Result<chat::Completion, Error> {
         let request: chat::Request = request.into();
-        tracing::trace!(?request);
+        tracing::debug!(?request);
         let response: chat::ChatResponse = self
             .shared
             .request(Method::POST, "/v1/chat/completions")
@@ -80,7 +80,7 @@ impl Client {
             .await?
             .json()
             .await?;
-        tracing::trace!(?response);
+        tracing::debug!(?response);
         Ok(response.0?)
     }
 
@@ -91,39 +91,68 @@ impl Client {
     ) -> Result<impl Stream<Item = Result<chat::PartialCompletion, Error>>, Error> {
         let mut request: chat::Request = request.into();
         request.stream = Some(true);
+        request.stream_options = Some(StreamOptions {
+            include_obfuscation: false,
+            include_usage: false,
+        });
 
-        tracing::trace!(?request);
-        let stream = self
+        tracing::debug!(?request);
+        let response = self
             .shared
             .request(Method::POST, "/v1/chat/completions")
             .body(&request)
             .send()
-            .await?
-            .bytes_stream()
-            .eventsource();
-        Ok(stream.map_while(|event| match event {
-            Ok(event) => {
-                if event.data == "[DONE]" {
-                    None
-                } else {
-                    let response = match serde_json::from_str::<StreamResponse>(&event.data) {
-                        Ok(response) => {
-                            tracing::trace!(?response);
-                            Ok::<_, Error>(response.0)
-                        }
-                        Err(err) => {
-                            tracing::error!(?err, ?event.data);
-                            Err(err.into())
+            .await?;
+        let status = response.status();
+
+        if status.is_success() {
+            // HTTP success: Expect SSE response
+            let stream = response.bytes_stream().eventsource();
+            Ok(stream.map_while(|event| {
+                tracing::trace!(?event);
+                match event {
+                    Ok(event) => {
+                        if event.data == "[DONE]" {
+                            None
+                        } else {
+                            let response = match serde_json::from_str::<StreamResponse>(&event.data)
+                            {
+                                Ok(response) => {
+                                    tracing::debug!(?response);
+                                    Ok::<_, Error>(response.0)
+                                }
+                                Err(err) => {
+                                    // Serde error
+                                    tracing::error!(?err, ?event.data);
+                                    Err(err.into())
+                                }
+                            };
+                            Some(response)
                         }
-                    };
-                    Some(response)
+                    }
+                    Err(err) => {
+                        // SSE error
+                        tracing::error!(?err);
+                        Some(Err(err.into()))
+                    }
+                }
+            }))
+        } else {
+            // HTTP error: Expect JSON response
+            let response_err = response.error_for_status_ref().unwrap_err();
+            let chat_response = response.json::<ChatResponse>().await;
+            match chat_response {
+                Ok(err) => {
+                    // OpenAI application error
+                    Err(Error::Protocol(err.0.unwrap_err()))
+                }
+                Err(err) => {
+                    // Not application error, return HTTP error
+                    tracing::error!(?response_err, ?err, "unexpected stream response");
+                    Err(response_err.into())
                 }
             }
-            Err(err) => {
-                tracing::error!(?err);
-                Some(Err(err.into()))
-            }
-        }))
+        }
     }
 }