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|
use super::openai::{openai_send_message, openai_send_message_streaming};
use super::{set_proxy, Client, ClientConfig, ModelInfo};
use crate::config::SharedConfig;
use crate::repl::ReplyStreamHandler;
use anyhow::{anyhow, Context, Result};
use async_trait::async_trait;
use inquire::{Confirm, Text};
use reqwest::{Client as ReqwestClient, RequestBuilder};
use serde::Deserialize;
use serde_json::json;
use std::env;
use std::time::Duration;
#[derive(Debug)]
pub struct LocalAIClient {
global_config: SharedConfig,
local_config: LocalAIConfig,
model_info: ModelInfo,
}
#[derive(Debug, Clone, Deserialize)]
pub struct LocalAIConfig {
pub url: String,
pub api_key: Option<String>,
pub models: Vec<LocalAIModel>,
pub proxy: Option<String>,
/// Set a timeout in seconds for connect to server
pub connect_timeout: Option<u64>,
}
#[derive(Debug, Clone, Deserialize)]
pub struct LocalAIModel {
name: String,
max_tokens: usize,
}
#[async_trait]
impl Client for LocalAIClient {
fn get_config(&self) -> &SharedConfig {
&self.global_config
}
async fn send_message_inner(&self, content: &str) -> Result<String> {
let builder = self.request_builder(content, false)?;
openai_send_message(builder).await
}
async fn send_message_streaming_inner(
&self,
content: &str,
handler: &mut ReplyStreamHandler,
) -> Result<()> {
let builder = self.request_builder(content, true)?;
openai_send_message_streaming(builder, handler).await
}
}
impl LocalAIClient {
pub fn init(global_config: SharedConfig) -> Option<Box<dyn Client>> {
let model_info = global_config.read().model_info.clone();
if model_info.client != LocalAIClient::name() {
return None;
}
let local_config = {
if let ClientConfig::LocalAI(c) = &global_config.read().clients[model_info.index] {
c.clone()
} else {
return None;
}
};
Some(Box::new(Self {
global_config,
local_config,
model_info,
}))
}
pub fn name() -> &'static str {
"localai"
}
pub fn list_models(local_config: &LocalAIConfig, index: usize) -> Vec<ModelInfo> {
local_config
.models
.iter()
.map(|v| ModelInfo::new(Self::name(), &v.name, v.max_tokens, index))
.collect()
}
pub fn create_config() -> Result<String> {
let mut client_config = format!("clients:\n - type: {}\n", Self::name());
let url = Text::new("URL:")
.prompt()
.map_err(|_| anyhow!("An error happened when asking for url, try again later."))?;
client_config.push_str(&format!(" url: {url}\n"));
let ans = Confirm::new("Use auth?")
.with_default(false)
.prompt()
.map_err(|_| anyhow!("Not finish questionnaire, try again later."))?;
if ans {
let api_key = Text::new("API key:").prompt().map_err(|_| {
anyhow!("An error happened when asking for api key, try again later.")
})?;
client_config.push_str(&format!(" api_key: {api_key}\n"));
}
let model_name = Text::new("Model Name:").prompt().map_err(|_| {
anyhow!("An error happened when asking for model name, try again later.")
})?;
let max_tokens = Text::new("Max tokens:").prompt().map_err(|_| {
anyhow!("An error happened when asking for max tokens, try again later.")
})?;
let ans = Confirm::new("Use proxy?")
.with_default(false)
.prompt()
.map_err(|_| anyhow!("Not finish questionnaire, try again later."))?;
if ans {
let proxy = Text::new("Set proxy:").prompt().map_err(|_| {
anyhow!("An error happened when asking for proxy, try again later.")
})?;
client_config.push_str(&format!(" proxy: {proxy}\n"));
}
client_config.push_str(&format!(
" models:\n - name: {model_name}\n max_tokens: {max_tokens}\n"
));
Ok(client_config)
}
fn request_builder(&self, content: &str, stream: bool) -> Result<RequestBuilder> {
let messages = self.global_config.read().build_messages(content)?;
let mut body = json!({
"model": self.model_info.name,
"messages": messages,
});
if let Some(v) = self.global_config.read().get_temperature() {
body.as_object_mut()
.and_then(|m| m.insert("temperature".into(), json!(v)));
}
if stream {
body.as_object_mut()
.and_then(|m| m.insert("stream".into(), json!(true)));
}
let client = {
let mut builder = ReqwestClient::builder();
builder = set_proxy(builder, &self.local_config.proxy)?;
let timeout = Duration::from_secs(self.local_config.connect_timeout.unwrap_or(10));
builder
.connect_timeout(timeout)
.build()
.with_context(|| "Failed to build client")?
};
let mut builder = client.post(&self.local_config.url);
if let Some(api_key) = &self.local_config.api_key {
builder = builder.bearer_auth(api_key);
} else if let Ok(api_key) = env::var("LOCALAI_API_KEY") {
builder = builder.bearer_auth(api_key);
}
builder = builder.json(&body);
Ok(builder)
}
}
|
