feat: add `.set` command (#20)

* feat: add `.set` command

* Add config.role

1 files changed, 31 insertions, 27 deletions

diff --git a/src/client.rs b/src/client.rs
index f2aef38..698fffc 100644
--- a/src/client.rs
+++ b/src/client.rs
@@ -1,4 +1,4 @@
-use crate::config::Config;
+use crate::config::SharedConfig;
 use crate::repl::ReplyReceiver;
 
 use anyhow::{anyhow, Context, Result};
@@ -17,28 +17,16 @@ const MODEL: &str = "gpt-3.5-turbo";
 
 #[derive(Debug)]
 pub struct ChatGptClient {
-    client: Client,
-    config: Arc<Config>,
+    config: SharedConfig,
     runtime: Runtime,
 }
 
 impl ChatGptClient {
-    pub fn init(config: Arc<Config>) -> Result<Self> {
-        let mut builder = Client::builder();
-        if let Some(proxy) = config.proxy.as_ref() {
-            builder = builder.proxy(Proxy::all(proxy).with_context(|| "Invalid config.proxy")?);
-        }
-        let client = builder
-            .connect_timeout(CONNECT_TIMEOUT)
-            .build()
-            .with_context(|| "Failed to init http client")?;
-
+    pub fn init(config: SharedConfig) -> Result<Self> {
         let runtime = init_runtime()?;
-        Ok(Self {
-            client,
-            config,
-            runtime,
-        })
+        let s = Self { config, runtime };
+        let _ = s.build_client()?; // check error
+        Ok(s)
     }
 
     pub fn acquire(&self, input: &str, prompt: Option<String>) -> Result<String> {
@@ -80,10 +68,10 @@ impl ChatGptClient {
     }
 
     async fn acquire_inner(&self, content: &str, prompt: Option<String>) -> Result<String> {
-        if self.config.dry_run {
+        if self.config.borrow().dry_run {
             return Ok(combine(content, prompt));
         }
-        let builder = self.request_builder(content, prompt, false);
+        let builder = self.request_builder(content, prompt, false)?;
 
         let data: Value = builder.send().await?.json().await?;
 
@@ -100,11 +88,11 @@ impl ChatGptClient {
         prompt: Option<String>,
         receiver: &mut ReplyReceiver,
     ) -> Result<()> {
-        if self.config.dry_run {
+        if self.config.borrow().dry_run {
             receiver.text(&combine(content, prompt));
             return Ok(());
         }
-        let builder = self.request_builder(content, prompt, true);
+        let builder = self.request_builder(content, prompt, true)?;
         let mut stream = builder.send().await?.bytes_stream().eventsource();
         let mut virgin = true;
         while let Some(part) = stream.next().await {
@@ -132,12 +120,24 @@ impl ChatGptClient {
         Ok(())
     }
 
+    fn build_client(&self) -> Result<Client> {
+        let mut builder = Client::builder();
+        if let Some(proxy) = self.config.borrow().proxy.as_ref() {
+            builder = builder.proxy(Proxy::all(proxy).with_context(|| "Invalid config.proxy")?);
+        }
+        let client = builder
+            .connect_timeout(CONNECT_TIMEOUT)
+            .build()
+            .with_context(|| "Failed to build http client")?;
+        Ok(client)
+    }
+
     fn request_builder(
         &self,
         content: &str,
         prompt: Option<String>,
         stream: bool,
-    ) -> RequestBuilder {
+    ) -> Result<RequestBuilder> {
         let user_message = json!({ "role": "user", "content": content });
         let messages = match prompt {
             Some(prompt) => {
@@ -153,7 +153,7 @@ impl ChatGptClient {
             "messages": messages,
         });
 
-        if let Some(v) = self.config.temperature {
+        if let Some(v) = self.config.borrow().temperature {
             body.as_object_mut()
                 .and_then(|m| m.insert("temperature".into(), json!(v)));
         }
@@ -163,10 +163,13 @@ impl ChatGptClient {
                 .and_then(|m| m.insert("stream".into(), json!(true)));
         }
 
-        self.client
+        let builder = self
+            .build_client()?
             .post(API_URL)
-            .bearer_auth(&self.config.api_key)
-            .json(&body)
+            .bearer_auth(&self.config.borrow().api_key)
+            .json(&body);
+
+        Ok(builder)
     }
 }
 
@@ -176,6 +179,7 @@ fn combine(content: &str, prompt: Option<String>) -> String {
         None => content.to_string(),
     }
 }
+
 fn init_runtime() -> Result<Runtime> {
     tokio::runtime::Builder::new_current_thread()
         .enable_all()