controller/emgauwa-lib/src/db/mod.rs

87 lines
2 KiB
Rust

use log::{info, trace};
use sqlx::migrate::Migrator;
use sqlx::sqlite::{SqliteConnectOptions, SqlitePoolOptions};
use sqlx::{Pool, Sqlite};
use std::str::FromStr;
use crate::db::errors::DatabaseError;
use crate::db::model_utils::Period;
use crate::types::ScheduleUid;
mod controllers;
pub mod errors;
mod model_utils;
mod relays;
mod schedules;
mod tag;
pub use controllers::DbController;
pub use relays::DbRelay;
pub use schedules::{DbPeriods, DbSchedule};
pub use tag::DbTag;
static MIGRATOR: Migrator = sqlx::migrate!("../migrations"); // defaults to "./migrations"
pub async fn run_migrations(pool: &Pool<Sqlite>) {
info!("Running migrations");
MIGRATOR.run(pool).await.expect("Failed to run migrations.");
}
async fn init_schedule(
pool: &Pool<Sqlite>,
uid: &ScheduleUid,
name: &str,
periods: DbPeriods,
) -> Result<(), DatabaseError> {
trace!("Initializing schedule {:?}", name);
match DbSchedule::get_by_uid(&mut pool.acquire().await.unwrap(), uid).await {
Ok(_) => Ok(()),
Err(err) => match err {
DatabaseError::NotFound => {
trace!("Schedule {:?} not found, inserting", name);
sqlx::query_as!(
DbSchedule,
"INSERT INTO schedules (uid, name, periods) VALUES (?, ?, ?) RETURNING *",
uid,
name,
periods,
)
.fetch_optional(pool)
.await?
.ok_or(DatabaseError::InsertGetError)
.map(|_| ())
}
_ => Err(err),
},
}
}
pub async fn init(db: &str) -> Pool<Sqlite> {
let options = SqliteConnectOptions::from_str(db)
.expect("Error parsing database path")
.create_if_missing(true);
let pool: Pool<Sqlite> = SqlitePoolOptions::new()
.acquire_timeout(std::time::Duration::from_secs(1))
.max_connections(5)
.connect_with(options)
.await
.expect("Error connecting to database");
run_migrations(&pool).await;
init_schedule(&pool, &ScheduleUid::Off, "Off", DbPeriods(vec![]))
.await
.expect("Error initializing schedule Off");
init_schedule(
&pool,
&ScheduleUid::On,
"On",
DbPeriods(vec![Period::new_on()]),
)
.await
.expect("Error initializing schedule On");
pool
}