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

110 lines
2.4 KiB
Rust

use crate::db::errors::DatabaseError;
use crate::db::{DbController, DbRelay, DbSchedule};
use crate::types::ControllerUid;
use futures::executor;
use serde_derive::{Deserialize, Serialize};
use sqlx::pool::PoolConnection;
use sqlx::Sqlite;
pub trait FromDbModel {
type DbModel: Clone;
fn from_db_model(
conn: &mut PoolConnection<Sqlite>,
db_model: Self::DbModel,
) -> Result<Self, DatabaseError>
where
Self: Sized;
}
#[derive(Serialize, Deserialize, Debug, Clone)]
pub struct Schedule {
#[serde(flatten)]
pub s: DbSchedule,
pub tags: Vec<String>,
}
#[derive(Serialize, Deserialize, Debug, Clone)]
pub struct Relay {
#[serde(flatten)]
pub r: DbRelay,
pub controller: DbController,
pub controller_id: ControllerUid,
pub tags: Vec<String>,
}
#[derive(Serialize, Deserialize, Debug, Clone)]
pub struct Controller {
#[serde(flatten)]
pub c: DbController,
pub relays: Vec<Relay>,
}
impl FromDbModel for Schedule {
type DbModel = DbSchedule;
fn from_db_model(
conn: &mut PoolConnection<Sqlite>,
db_model: Self::DbModel,
) -> Result<Self, DatabaseError> {
let schedule = db_model.clone();
let tags = executor::block_on(schedule.get_tags(conn))?;
Ok(Schedule { s: schedule, tags })
}
}
impl FromDbModel for Relay {
type DbModel = DbRelay;
fn from_db_model(
conn: &mut PoolConnection<Sqlite>,
db_model: Self::DbModel,
) -> Result<Self, DatabaseError> {
let relay = db_model.clone();
let controller = executor::block_on(relay.get_controller(conn))?;
let controller_id = controller.uid.clone();
let tags = executor::block_on(relay.get_tags(conn))?;
Ok(Relay {
r: relay,
controller,
controller_id,
tags,
})
}
}
impl FromDbModel for Controller {
type DbModel = DbController;
fn from_db_model(
conn: &mut PoolConnection<Sqlite>,
db_model: Self::DbModel,
) -> Result<Self, DatabaseError> {
let relays_db = executor::block_on(db_model.get_relays(conn))?;
let relays = convert_db_list(conn, relays_db)?;
Ok(Controller {
c: db_model,
relays,
})
}
}
pub fn convert_db_list<T: FromDbModel>(
conn: &mut PoolConnection<Sqlite>,
db_models: Vec<T::DbModel>,
) -> Result<Vec<T>, DatabaseError> {
let mut result: Vec<T> = Vec::new();
db_models.into_iter().try_for_each(|s| {
let new = T::from_db_model(conn, s);
match new {
Ok(new) => {
result.push(new);
Ok(())
}
Err(e) => Err(e),
}
})?;
Ok(result)
}