Struct AppState 

pub struct AppState {
    pub db: Arc<Mutex<Database>>,
    pub sse_tx: Sender<SseEvent>,
    /* private fields */
}

Shared argument state

Fields

db: Arc<Mutex<Database>>

Database connection wrapped for async access

sse_tx: Sender<SseEvent>

Broadcast channel for SSE events

Implementations

impl AppState

pub fn from_database(db: Database) -> Self

Create application state backed by an existing database (for tests).

pub fn new() -> Result<Self>

Create new application state with database connection

pub fn broadcast(&self, event: SseEvent)

Broadcast an SSE event to all connected clients

pub async fn start_change_detection(&self)

Start background task to detect database changes

Trait Implementations

impl Clone for AppState

fn clone(&self) -> AppState

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.