Files
k-notes/notes-domain/src/ports.rs
2026-01-02 00:22:55 +00:00

52 lines
1.9 KiB
Rust

use async_trait::async_trait;
use uuid::Uuid;
use crate::entities::{Note, NoteLink};
use crate::errors::DomainResult;
/// Defines how to generate vector embeddings from text.
#[async_trait]
pub trait EmbeddingGenerator: Send + Sync {
/// Generate a vector embedding for the given text.
async fn generate_embedding(&self, text: &str) -> DomainResult<Vec<f32>>;
}
/// Defines how to store and retrieve vectors.
#[async_trait]
pub trait VectorStore: Send + Sync {
/// Upsert a vector for a given note ID.
async fn upsert(&self, id: Uuid, vector: &[f32]) -> DomainResult<()>;
/// Find similar items to the given vector.
/// Returns a list of (NoteID, Score) tuples.
async fn find_similar(&self, vector: &[f32], limit: usize) -> DomainResult<Vec<(Uuid, f32)>>;
}
/// Defines how to persist note links.
#[async_trait]
pub trait LinkRepository: Send + Sync {
/// Save a batch of generated links.
async fn save_links(&self, links: &[NoteLink]) -> DomainResult<()>;
/// Delete existing links for a specific source note (e.g., before regenerating).
async fn delete_links_for_source(&self, source_note_id: Uuid) -> DomainResult<()>;
/// Get links for a specific source note.
async fn get_links_for_note(&self, source_note_id: Uuid) -> DomainResult<Vec<NoteLink>>;
}
/// Port for publishing domain events to a message broker.
/// Enables the Service layer to trigger background processing
/// without coupling to a specific messaging implementation.
#[async_trait]
pub trait MessageBroker: Send + Sync {
/// Publish an event when a note is created or updated.
async fn publish_note_updated(&self, note: &Note) -> DomainResult<()>;
/// Subscribe to note update events.
/// Returns a stream of notes that have been updated.
async fn subscribe_note_updates(
&self,
) -> DomainResult<std::pin::Pin<Box<dyn futures_core::Stream<Item = Note> + Send>>>;
}