chore: make proxy in simple-chat configure

examples/simple-chat-client/src/bin/simple_chat.rs

@@ -23,7 +23,7 @@ async fn main() -> Result<()> {
         .unwrap_or_else(|| std::env::var("OPENAI_API_KEY").expect("need set api key"));
     let url = config.chat_url.clone();
     println!("url is {:?}", url);
-    let openai_client = Arc::new(OpenAIClient::new(api_key, url));
+    let openai_client = Arc::new(OpenAIClient::new(api_key, url, config.proxy));
 
     // create tool set
     let mut tool_set = ToolSet::default();

examples/simple-chat-client/src/chat.rs

@@ -4,11 +4,10 @@ use std::{
 };
 
 use anyhow::Result;
-use serde_json::Value;
 
 use crate::{
     client::ChatClient,
-    model::{CompletionRequest, Message, Tool as ModelTool},
+    model::{CompletionRequest, Message},
     tool::{Tool as ToolTrait, ToolSet},
 };
 
@@ -149,22 +148,3 @@ impl ChatSession {
         Ok(())
     }
 }
-
-#[async_trait::async_trait]
-impl ToolTrait for ModelTool {
-    fn name(&self) -> String {
-        self.name.clone()
-    }
-
-    fn description(&self) -> String {
-        self.description.clone()
-    }
-
-    fn parameters(&self) -> Value {
-        self.parameters.clone()
-    }
-
-    async fn call(&self, _args: Value) -> Result<String> {
-        unimplemented!("ModelTool can't be called directly, only for tool definition")
-    }
-}

examples/simple-chat-client/src/client.rs

@@ -16,14 +16,17 @@ pub struct OpenAIClient {
 }
 
 impl OpenAIClient {
-    pub fn new(api_key: String, url: Option<String>) -> Self {
+    pub fn new(api_key: String, url: Option<String>, proxy: Option<bool>) -> Self {
         let base_url = url.unwrap_or("https://api.openai.com/v1/chat/completions".to_string());
-
-        // create http client without proxy
-        let client = HttpClient::builder()
-            .no_proxy()
-            .build()
-            .unwrap_or_else(|_| HttpClient::new());
+        let proxy = proxy.unwrap_or(false);
+        let client = if proxy {
+            HttpClient::new()
+        } else {
+            HttpClient::builder()
+                .no_proxy()
+                .build()
+                .unwrap_or_else(|_| HttpClient::new())
+        };
 
         Self {
             api_key,
@@ -41,12 +44,6 @@ impl OpenAIClient {
 #[async_trait]
 impl ChatClient for OpenAIClient {
     async fn complete(&self, request: CompletionRequest) -> Result<CompletionResponse> {
-        println!("sending request to {}", self.base_url);
-        println!("using api key: {}", self.api_key);
-        let request_json = serde_json::to_string(&request)?;
-        println!("request content: {}", request_json);
-        // no proxy
-
         let response = self
             .client
             .post(&self.base_url)

examples/simple-chat-client/src/config.rs

@@ -10,6 +10,7 @@ pub struct Config {
     pub chat_url: Option<String>,
     pub mcp: Option<McpConfig>,
     pub model_name: Option<String>,
+    pub proxy: Option<bool>,
 }
 
 #[derive(Debug, Serialize, Deserialize)]

examples/simple-chat-client/src/config.toml

@@ -1,6 +1,7 @@
 openai_key = "key" 
 chat_url = "url"
 model_name = "model_name"
+proxy = false
 
 [mcp]
 [[mcp.server]]