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//! Connection settings consumed by [`PostgresBackend::connect`](super::postgres::PostgresBackend::connect).
//!
//! Lives inside `aa-gateway::storage` so the PostgreSQL backend can be wired
//! end-to-end before Epic 18 S-H lands the unified [`StorageConfig`]. Once
//! S-H ships, the canonical type moves to `aa-core::config` and this module
//! is expected to re-export it.
use aa_core::config::TimescaleConfig;
/// PostgreSQL connection settings.
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct PostgresConfig {
/// Database URL (e.g. `postgres://user:pass@host:5432/db`).
///
/// `None` means the operator did not provide one; [`PostgresBackend::connect`]
/// surfaces a [`StorageError::ConnectionFailed`] mentioning
/// `AAASM_DATABASE_URL` so the missing-config path is obvious.
pub database_url: Option<String>,
/// Upper bound on connection-pool size.
pub max_connections: u32,
/// Minimum number of warm connections kept in the pool.
pub min_connections: u32,
/// Seconds before `acquire` from the pool times out.
pub connect_timeout_secs: u64,
/// TimescaleDB-specific knobs. `enabled = false` skips the hypertable
/// setup step in [`PostgresBackend::apply_timescaledb_setup`] (Epic 18
/// S-D #3); see [`aa_core::config::TimescaleConfig`].
pub timescaledb: TimescaleConfig,
}
impl Default for PostgresConfig {
fn default() -> Self {
Self {
database_url: None,
max_connections: 20,
min_connections: 2,
connect_timeout_secs: 10,
timescaledb: TimescaleConfig::default(),
}
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn defaults_match_spec() {
let cfg = PostgresConfig::default();
assert_eq!(cfg.database_url, None);
assert_eq!(cfg.max_connections, 20);
assert_eq!(cfg.min_connections, 2);
assert_eq!(cfg.connect_timeout_secs, 10);
assert!(cfg.timescaledb.enabled, "timescaledb defaults to enabled");
}
}