Struct ConversationStore 

pub struct ConversationStore { /* private fields */ }

SQLite-backed conversation store

Implementations

impl ConversationStore

pub fn open<P: AsRef<Path>>(path: P) -> SqlResult<Self>

Open or create a SQLite database at the given path. Use :memory: for an in-memory database (useful for testing).

pub fn create_session( &self, session_id: &str, system_prompt: &str, ) -> SqlResult<()>

Create a new conversation session

pub fn delete_session(&self, session_id: &str) -> SqlResult<()>

Delete a session and all its messages

pub fn list_sessions(&self) -> SqlResult<Vec<StoredSession>>

List all sessions, ordered by most recently updated first

pub fn add_message( &self, session_id: &str, role: &str, content: &str, token_count: Option<u64>, ) -> SqlResult<()>

Add a message to a session

pub fn get_history( &self, session_id: &str, policy: Option<RetentionPolicy>, ) -> SqlResult<Vec<StoredMessage>>

Get message history for a session, optionally applying a retention policy

pub fn message_count(&self, session_id: &str) -> SqlResult<u64>

Get the number of messages in a session

pub fn total_tokens(&self, session_id: &str) -> SqlResult<u64>

Get the total token count for a session

pub fn prune_sessions(&self, max_age: Duration) -> SqlResult<u64>

Prune old sessions based on a retention policy applied to session age

pub fn to_chat_messages( &self, session_id: &str, policy: Option<RetentionPolicy>, ) -> SqlResult<Vec<ChatMessage>>

Convert stored messages to ChatMessage format for the LLM

pub fn import_memory( &self, session_id: &str, memory: &ConversationMemory, system_prompt: &str, ) -> SqlResult<()>

Import messages from a ConversationMemory into a session

Trait Implementations

impl Debug for ConversationStore

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.