burncloud_core/
model_manager.rs1use burncloud_common::{ModelInfo, BurnCloudError};
2use anyhow::Result;
3use std::collections::HashMap;
4
5pub struct ModelManager {
6 models: HashMap<String, ModelInfo>,
7 models_dir: String,
8}
9
10impl ModelManager {
11 pub fn new(models_dir: String) -> Self {
12 Self {
13 models: HashMap::new(),
14 models_dir,
15 }
16 }
17
18 pub async fn pull_model(&mut self, name: &str) -> Result<()> {
19 println!("正在下载模型: {}", name);
20
21 tokio::time::sleep(tokio::time::Duration::from_secs(1)).await;
23
24 let model_info = ModelInfo {
25 name: name.to_string(),
26 size: 1024 * 1024 * 100, downloaded: true,
28 path: Some(format!("{}/{}", self.models_dir, name)),
29 };
30
31 self.models.insert(name.to_string(), model_info);
32 println!("模型 {} 下载完成", name);
33 Ok(())
34 }
35
36 pub async fn run_model(&self, name: &str, prompt: Option<&str>) -> Result<String> {
37 let model = self.models.get(name)
38 .ok_or_else(|| BurnCloudError::ModelNotFound(name.to_string()))?;
39
40 if !model.downloaded {
41 return Err(BurnCloudError::ModelNotFound(format!("模型 {} 未下载", name)).into());
42 }
43
44 println!("正在运行模型: {}", name);
45 if let Some(p) = prompt {
46 println!("输入: {}", p);
47 }
48
49 tokio::time::sleep(tokio::time::Duration::from_millis(500)).await;
51
52 let response = match name {
53 "llama3.2" => "Hello! I'm Llama 3.2. How can I help you today?",
54 "gemma3" => "Hi there! I'm Gemma 3. What would you like to know?",
55 _ => "I'm a language model. How can I assist you?",
56 };
57
58 Ok(response.to_string())
59 }
60
61 pub fn list_models(&self) -> Vec<&ModelInfo> {
62 self.models.values().collect()
63 }
64
65 pub fn get_model(&self, name: &str) -> Option<&ModelInfo> {
66 self.models.get(name)
67 }
68}