AkurAI-Drive / backend/src/db/mod.rs

Latest change 6e3a0824f4ec4d2bea2524a20b4960c7ab9e2766 - backend: akurai-drive-api (OIDC RP + per-tenant S3 provisioning) by olibuijr

use crate::config;
use rusqlite::Connection;
use std::sync::LazyLock;
use std::sync::Mutex;

static DB: LazyLock<Mutex<Connection>> = LazyLock::new(|| {
    let cfg = config::get();
    if let Some(parent) = std::path::Path::new(&cfg.db_path).parent() {
        std::fs::create_dir_all(parent).ok();
    }
    let conn = Connection::open(&cfg.db_path).expect("failed to open SQLite database");
    conn.execute_batch("PRAGMA journal_mode = WAL; PRAGMA foreign_keys = ON;")
        .expect("failed to set pragmas");
    create_tables(&conn);
    Mutex::new(conn)
});

/// Run a closure with exclusive access to the single shared connection.
pub fn with_db<F, R>(f: F) -> R
where
    F: FnOnce(&Connection) -> R,
{
    let conn = DB.lock().unwrap();
    f(&conn)
}

fn create_tables(conn: &Connection) {
    conn.execute_batch(
        "
        CREATE TABLE IF NOT EXISTS sessions (
            id         TEXT PRIMARY KEY,
            sub        TEXT NOT NULL,
            email      TEXT NOT NULL,
            groups     TEXT NOT NULL,        -- JSON array of group names
            tenant_id  TEXT,
            created    INTEGER NOT NULL,
            expires    INTEGER NOT NULL
        );
        CREATE INDEX IF NOT EXISTS sessions_expires_idx ON sessions(expires);

        CREATE TABLE IF NOT EXISTS storage (
            id         TEXT PRIMARY KEY,
            owner_sub  TEXT NOT NULL,
            org        TEXT NOT NULL,
            email      TEXT NOT NULL,
            plan       TEXT NOT NULL,
            bucket     TEXT NOT NULL,
            region     TEXT NOT NULL,
            created    INTEGER NOT NULL
        );
        CREATE INDEX IF NOT EXISTS storage_owner_idx ON storage(owner_sub);
        ",
    )
    .expect("failed to create tables");
}