Functions and structs for working with openai api.

Input with stdout message

examples/openai-assistant/src/main.rs

@@ -0,0 +1,32 @@
+use futures::StreamExt;
+
+use lib::{
+    openai::{assistants::Assistant, streams::TokenStream},
+    prompt_read_line,
+};
+
+/// Expects the OPENAI_API_KEY environment variable to be set
+#[tokio::main]
+async fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let assistant = Assistant::new("gpt-4o-mini", "Be a helpful assistant").await?;
+    let thread = assistant.create_thread().await?;
+
+    while let Some(input) = get_user_input() {
+        let mut stream: TokenStream = thread.run_stream(&input).await?.into();
+        while let Some(result) = stream.next().await {
+            if let Ok(text) = result {
+                print!("{}", text);
+            }
+        }
+        println!();
+    }
+    assistant.delete().await?;
+
+    Ok(())
+}
+
+fn get_user_input() -> Option<String> {
+    prompt_read_line!("> ")
+        .ok()
+        .take_if(|input| !input.is_empty())
+}