Add WIP relays to database and api

emgauwa-lib/src/db/relays.rs

@@ -0,0 +1,130 @@
+use serde_derive::Serialize;
+use std::ops::DerefMut;
+
+use sqlx::pool::PoolConnection;
+use sqlx::Sqlite;
+use crate::db::Controller;
+
+use crate::db::errors::DatabaseError;
+use crate::db::Tag;
+
+#[derive(Debug, Serialize, Clone)]
+#[derive(sqlx::FromRow)]
+pub struct Relay {
+	#[serde(skip)]
+	pub id: i64,
+	pub name: String,
+	pub number: i64,
+	#[serde(skip)]
+	pub controller_id: i64,
+}
+
+impl Relay {
+	pub async fn get_all(
+		conn: &mut PoolConnection<Sqlite>,
+	) -> Result<Vec<Relay>, DatabaseError> {
+		Ok(sqlx::query_as!(Relay, "SELECT * FROM relays")
+			.fetch_all(conn.deref_mut())
+			.await?)
+	}
+
+	pub async fn get(
+		conn: &mut PoolConnection<Sqlite>,
+		id: i64,
+	) -> Result<Relay, DatabaseError> {
+		sqlx::query_as!(
+			Relay,
+			"SELECT * FROM relays WHERE id = ?",
+			id
+		)
+			.fetch_optional(conn.deref_mut())
+			.await
+			.map(|s| s.ok_or(DatabaseError::NotFound))?
+	}
+
+	pub async fn get_by_tag(
+		conn: &mut PoolConnection<Sqlite>,
+		tag: &Tag,
+	) -> Result<Vec<Relay>, DatabaseError> {
+		Ok(sqlx::query_as!(Relay, "SELECT schedule.* FROM relays AS schedule INNER JOIN junction_tag ON junction_tag.schedule_id = schedule.id WHERE junction_tag.tag_id = ?", tag.id)
+			.fetch_all(conn.deref_mut())
+			.await?)
+	}
+
+	pub async fn create(
+		conn: &mut PoolConnection<Sqlite>,
+		new_name: &str,
+		new_number: i64,
+		new_controller: &Controller,
+	) -> Result<Relay, DatabaseError> {
+		sqlx::query_as!(
+			Relay,
+			"INSERT INTO relays (name, number, controller_id) VALUES (?, ?, ?) RETURNING *",
+			new_name,
+			new_number,
+			new_controller.id,
+		)
+		.fetch_optional(conn.deref_mut())
+		.await?
+		.ok_or(DatabaseError::InsertGetError)
+	}
+
+	pub async fn delete(
+		&self,
+		conn: &mut PoolConnection<Sqlite>,
+	) -> Result<(), DatabaseError> {
+		sqlx::query!("DELETE FROM relays WHERE id = ?", self.id)
+			.execute(conn.deref_mut())
+			.await
+			.map(|res| match res.rows_affected() {
+				0 => Err(DatabaseError::DeleteError),
+				_ => Ok(()),
+			})?
+	}
+
+	pub async fn update(
+		&self,
+		conn: &mut PoolConnection<Sqlite>,
+		new_name: &str,
+		new_number: i64,
+		new_controller: &Controller,
+	) -> Result<Relay, DatabaseError> {
+		sqlx::query!(
+			"UPDATE relays SET name = ?, number = ?, controller_id = ? WHERE id = ?",
+			new_name,
+			new_number,
+			new_controller.id,
+			self.id,
+		)
+		.execute(conn.deref_mut())
+		.await?;
+
+		Relay::get(conn, self.id).await
+	}
+
+	pub async fn get_controller(&self, conn: &mut PoolConnection<Sqlite>) -> Result<Controller, DatabaseError> {
+		Controller::get(conn, self.controller_id).await
+	}
+
+	pub async fn get_tags(&self, conn: &mut PoolConnection<Sqlite>) -> Result<Vec<String>, DatabaseError> {
+		Ok(sqlx::query_scalar!("SELECT tag FROM tags INNER JOIN junction_tag ON junction_tag.tag_id = tags.id WHERE junction_tag.relay_id = ?", self.id)
+			.fetch_all(conn.deref_mut())
+			.await?)
+	}
+
+	pub async fn set_tags(
+		&self,
+		conn: &mut PoolConnection<Sqlite>,
+		new_tags: &[String],
+	) -> Result<(), DatabaseError> {
+		sqlx::query!("DELETE FROM junction_tag WHERE relay_id = ?", self.id)
+			.execute(conn.deref_mut())
+			.await?;
+
+		for new_tag in new_tags {
+			let tag: Tag = Tag::get_by_tag_or_create(conn, new_tag).await?;
+			tag.link_relay(conn, self).await?;
+		}
+		Ok(())
+	}
+}