//! Chat sessions — a collection of messages and function call specs.
//!
//! Mirrors Python `langchain_core.chat_sessions`.
use serde::{Deserialize, Serialize};
use serde_json::Value;
use crate::messages::Message;
/// A single conversation, channel, or other group of messages.
#[derive(Debug, Clone, Serialize, Deserialize, Default)]
pub struct ChatSession {
/// Messages loaded from the source.
pub messages: Vec<Message>,
/// Function calling specs associated with the session.
#[serde(default, skip_serializing_if = "Vec::is_empty")]
pub functions: Vec<Value>,
}
impl ChatSession {
pub fn new(messages: Vec<Message>) -> Self {
Self {
messages,
functions: Vec::new(),
}
}
pub fn with_functions(mut self, functions: Vec<Value>) -> Self {
self.functions = functions;
self
}
}