Add trait for db_model to model conversion

emgauwa-controller/src/main.rs

@@ -3,6 +3,7 @@ use std::str;
 use crate::relay_loop::run_relay_loop;
 use crate::settings::Settings;
 use emgauwa_lib::db::{DbController, DbRelay};
+use emgauwa_lib::models::convert_db_list;
 use emgauwa_lib::types::ControllerUid;
 use emgauwa_lib::{db, models};
 use futures::channel::mpsc;
@@ -88,10 +89,7 @@ async fn main() {
 		.await
 		.unwrap();
 
-	let relays = db_relays
-		.into_iter()
-		.map(|relay| models::Relay::from_db_relay(relay, &mut conn))
-		.collect();
+	let relays = convert_db_list(&mut conn, db_relays).expect("Failed to convert relays");
 
 	let this = models::Controller {
 		controller: db_controller,

emgauwa-controller/src/relay_loop.rs

@@ -1,8 +1,15 @@
 use crate::settings::Settings;
 use chrono::Local;
+use std::time::Duration;
+use tokio::time;
 
 #[allow(unused_variables)]
 pub async fn run_relay_loop(settings: Settings) {
-	let next_timestamp = Local::now().naive_local();
-	loop {}
+	let default_duration = Duration::from_millis(1000);
+	loop {
+		// naivetime timestamp for now
+		let next_timestamp = Local::now().naive_local().time() + default_duration;
+		time::sleep(default_duration).await;
+		println!("Relay loop: {}", next_timestamp)
+	}
 }

emgauwa-lib/src/handlers/v1/relays.rs

@@ -6,7 +6,7 @@ use sqlx::{Pool, Sqlite};
 use crate::db::DbRelay;
 
 use crate::handlers::errors::ApiError;
-use crate::models::Relay;
+use crate::models::{convert_db_list, Relay};
 
 #[derive(Debug, Serialize, Deserialize)]
 pub struct RequestRelay {
@@ -18,14 +18,11 @@ pub struct RequestRelay {
 pub async fn index(pool: web::Data<Pool<Sqlite>>) -> Result<HttpResponse, ApiError> {
 	let mut pool_conn = pool.acquire().await?;
 
-	let relays = DbRelay::get_all(&mut pool_conn).await?;
+	let db_relays = DbRelay::get_all(&mut pool_conn).await?;
 
-	let return_relays: Vec<Relay> = relays
-		.into_iter()
-		.map(|s| Relay::from_db_relay(s, &mut pool_conn))
-		.collect();
+	let relays: Vec<Relay> = convert_db_list(&mut pool_conn, db_relays)?;
 
-	Ok(HttpResponse::Ok().json(return_relays))
+	Ok(HttpResponse::Ok().json(relays))
 }
 
 //#[get("/api/v1/tags/tag/{tag}")]

emgauwa-lib/src/handlers/v1/schedules.rs

@@ -7,7 +7,7 @@ use crate::db::errors::DatabaseError;
 use crate::db::DbTag;
 use crate::db::{DbPeriods, DbSchedule};
 use crate::handlers::errors::ApiError;
-use crate::models::Schedule;
+use crate::models::{convert_db_list, FromDbModel, Schedule};
 use crate::types::ScheduleUid;
 
 #[derive(Debug, Serialize, Deserialize)]
@@ -21,14 +21,11 @@ pub struct RequestSchedule {
 pub async fn index(pool: web::Data<Pool<Sqlite>>) -> Result<HttpResponse, ApiError> {
 	let mut pool_conn = pool.acquire().await?;
 
-	let schedules = DbSchedule::get_all(&mut pool_conn).await?;
+	let db_schedules = DbSchedule::get_all(&mut pool_conn).await?;
 
-	let return_schedules: Vec<Schedule> = schedules
-		.into_iter()
-		.map(|s| Schedule::from_schedule(s, &mut pool_conn))
-		.collect();
+	let schedules: Vec<Schedule> = convert_db_list(&mut pool_conn, db_schedules)?;
 
-	Ok(HttpResponse::Ok().json(return_schedules))
+	Ok(HttpResponse::Ok().json(schedules))
 }
 
 #[get("/api/v1/schedules/tag/{tag}")]
@@ -43,14 +40,11 @@ pub async fn tagged(
 		.await?
 		.ok_or(DatabaseError::NotFound)?;
 
-	let schedules = DbSchedule::get_by_tag(&mut pool_conn, &tag_db).await?;
+	let db_schedules = DbSchedule::get_by_tag(&mut pool_conn, &tag_db).await?;
 
-	let return_schedules: Vec<Schedule> = schedules
-		.into_iter()
-		.map(|s| Schedule::from_schedule(s, &mut pool_conn))
-		.collect();
+	let schedules: Vec<Schedule> = convert_db_list(&mut pool_conn, db_schedules)?;
 
-	Ok(HttpResponse::Ok().json(return_schedules))
+	Ok(HttpResponse::Ok().json(schedules))
 }
 
 #[get("/api/v1/schedules/{schedule_id}")]
@@ -67,7 +61,7 @@ pub async fn show(
 		.await?
 		.ok_or(DatabaseError::NotFound)?;
 
-	let return_schedule = Schedule::from_schedule(schedule, &mut pool_conn);
+	let return_schedule = Schedule::from_db_model(&mut pool_conn, schedule);
 	Ok(HttpResponse::Ok().json(return_schedule))
 }
 
@@ -84,7 +78,7 @@ pub async fn add(
 		.set_tags(&mut pool_conn, data.tags.as_slice())
 		.await?;
 
-	let return_schedule = Schedule::from_schedule(new_schedule, &mut pool_conn);
+	let return_schedule = Schedule::from_db_model(&mut pool_conn, new_schedule);
 	Ok(HttpResponse::Created().json(return_schedule))
 }
 
@@ -109,24 +103,20 @@ pub async fn add_list(
 ) -> Result<HttpResponse, ApiError> {
 	let mut pool_conn = pool.acquire().await?;
 
-	let result: Vec<Result<DbSchedule, DatabaseError>> = data
-		.as_slice()
-		.iter()
-		.map(|request_schedule| {
-			futures::executor::block_on(add_list_single(&mut pool_conn, request_schedule))
-		})
-		.collect();
+	let mut db_schedules: Vec<DbSchedule> = Vec::new();
+	data.iter().try_for_each(|s| {
+		let new_s = futures::executor::block_on(add_list_single(&mut pool_conn, s));
+		match new_s {
+			Ok(new_s) => {
+				db_schedules.push(new_s);
+				Ok(())
+			}
+			Err(e) => Err(e),
+		}
+	})?;
 
-	let mut return_schedules: Vec<Schedule> = Vec::new();
-	for schedule in result {
-		match schedule {
-			Ok(schedule) => {
-				return_schedules.push(Schedule::from_schedule(schedule, &mut pool_conn))
-			}
-			Err(e) => return Ok(HttpResponse::from(e)),
-		}
-	}
-	Ok(HttpResponse::Created().json(return_schedules))
+	let schedules: Vec<Schedule> = convert_db_list(&mut pool_conn, db_schedules)?;
+	Ok(HttpResponse::Created().json(schedules))
 }
 
 #[put("/api/v1/schedules/{schedule_id}")]
@@ -152,7 +142,7 @@ pub async fn update(
 		.set_tags(&mut pool_conn, data.tags.as_slice())
 		.await?;
 
-	let return_schedule = Schedule::from_schedule(schedule, &mut pool_conn);
+	let return_schedule = Schedule::from_db_model(&mut pool_conn, schedule);
 	Ok(HttpResponse::Ok().json(return_schedule))
 }
 

emgauwa-lib/src/models/mod.rs

@@ -1,20 +1,33 @@
 use crate::db;
+use crate::db::errors::DatabaseError;
+use crate::db::{DbRelay, DbSchedule};
 use futures::executor;
 use serde_derive::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, Debug)]
 pub struct Schedule {
 	#[serde(flatten)]
-	pub schedule: db::DbSchedule,
+	pub schedule: DbSchedule,
 	pub tags: Vec<String>,
 }
 
 #[derive(Serialize, Debug)]
 pub struct Relay {
 	#[serde(flatten)]
-	pub relay: db::DbRelay,
+	pub relay: DbRelay,
 	pub controller: db::DbController,
 	pub tags: Vec<String>,
 }
@@ -26,25 +39,53 @@ pub struct Controller {
 	pub relays: Vec<Relay>,
 }
 
-impl Schedule {
-	pub fn from_schedule(schedule: db::DbSchedule, conn: &mut PoolConnection<Sqlite>) -> Self {
-		let schedule = schedule.clone();
-		let tags = executor::block_on(schedule.get_tags(conn)).unwrap();
+impl FromDbModel for Schedule {
+	type DbModel = DbSchedule;
 
-		Schedule { schedule, tags }
+	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 { schedule, tags })
 	}
 }
 
-impl Relay {
-	pub fn from_db_relay(relay: db::DbRelay, conn: &mut PoolConnection<Sqlite>) -> Self {
-		let relay = relay.clone();
-		let controller = executor::block_on(relay.get_controller(conn)).unwrap();
-		let tags = executor::block_on(relay.get_tags(conn)).unwrap();
+impl FromDbModel for Relay {
+	type DbModel = DbRelay;
 
-		Relay {
+	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 tags = executor::block_on(relay.get_tags(conn))?;
+
+		Ok(Relay {
 			relay,
 			controller,
 			tags,
+		})
 	}
 }
+
+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)
 }