feat: moved components to their own module, use ollama for the chat.

crates/daemon/src/daemongrpc.rs

@@ -1,4 +1,7 @@
-use crate::chatpersistence::{ChatMessage, ChatRepository};
+use crate::chatpersistence::{ChatMessageData, ChatRepository};
+use anyhow::Result;
+use genai::chat::{ChatMessage, ChatRequest};
+use genai::Client;
 use shared::ai::ai_daemon_server::AiDaemon;
 use shared::ai::{
     ChatHistoryRequest, ChatHistoryResponse, ChatMessage as CMessage, ChatRequest as CRequest,
@@ -9,11 +12,15 @@ use tonic::{Code, Request, Response, Status};
 
 pub struct DaemonServer {
     repo: Arc<dyn ChatRepository + Send + Sync>,
+    client: Client,
 }
 
 impl DaemonServer {
-    pub fn new(repo: Arc<dyn ChatRepository + Send + Sync>) -> Self {
-        Self { repo }
+    pub fn new(repo: Arc<dyn ChatRepository + Send + Sync>, client: Client) -> Self {
+        Self {
+            repo: repo,
+            client: client,
+        }
     }
 }
 
@@ -21,6 +28,17 @@ impl DaemonServer {
 impl AiDaemon for DaemonServer {
     async fn chat(&self, request: Request<CRequest>) -> Result<Response<CResponse>, Status> {
         let r = request.into_inner();
+        let mut messages = gather_history(self.repo.clone())
+            .await
+            .map_err(|e| Status::new(Code::Internal, e.to_string()))?;
+        messages.push(ChatMessage::user(r.text()));
+        let model = "llama3.2:latest";
+        let response = self
+            .client
+            .exec_chat(model, ChatRequest::new(messages), None)
+            .await
+            .map_err(|e| Status::new(Code::Internal, e.to_string()))?;
+
         let user_message = message_to_dto(
             &self
                 .repo
@@ -28,11 +46,18 @@ impl AiDaemon for DaemonServer {
                 .await
                 .map_err(|e| Status::new(Code::Internal, e.to_string()))?,
         );
-        let response_text = format!("Pong: {}", r.text());
+        let response_text = match response.first_text() {
+            Some(t) => t,
+            None => "[No response from AI]",
+        };
+
+        println!("User: {}", r.text());
+        println!("AI: {}", response_text.clone());
+
         let ai_message = message_to_dto(
             &self
                 .repo
-                .save_message(response_text.as_str(), &false)
+                .save_message(response_text, &false)
                 .await
                 .map_err(|e| Status::new(Code::Internal, e.to_string()))?,
         );
@@ -73,10 +98,21 @@ impl AiDaemon for DaemonServer {
     }
 }
 
-pub fn message_to_dto(msg: &ChatMessage) -> CMessage {
+pub fn message_to_dto(msg: &ChatMessageData) -> CMessage {
     CMessage {
         id: msg.id,
         text: msg.text.clone(),
         is_user: msg.is_user,
     }
 }
+
+async fn gather_history(repo: Arc<dyn ChatRepository + Send + Sync>) -> Result<Vec<ChatMessage>> {
+    let messages = repo.get_latest_messages().await?;
+    Ok(messages
+        .iter()
+        .map(|m| match m.is_user {
+            true => ChatMessage::assistant(m.text.clone()),
+            false => ChatMessage::user(m.text.clone()),
+        })
+        .collect())
+}