feat(backend): Implement roles_controller::delete_limited_to_client route.

Author: jnms-be

src/controllers/roles_controller.rs

@@ -321,6 +321,32 @@ pub async fn add_client<'r>(
 	})
 }
 
+#[delete("/roles/<role_id>/limited_to_clients/<client_id>")]
+pub async fn delete_limited_to_client<'r>(
+	// from url
+	role_id: i32,
+	client_id: i32,
+	// from headers
+	_session: AdminSession,
+	// injected
+	db: DbConn,
+) -> Result<impl Responder<'r, 'static>> {
+	let role = Role::find(role_id, &db).await?;
+	let client = Client::find(client_id, &db).await?;
+	role.remove_limited_to_client(client_id, &db).await?;
+	Ok(Accepter {
+		html: Redirect::to(uri!(show_role_page(
+			role_id,
+			None::<String>,
+			Some(format!(
+				"Successfully removed client “{}” from the “limited to” list",
+				client.name,
+			))
+		))),
+		json: Custom(Status::Ok, ()),
+	})
+}
+
 #[delete("/roles/<role_id>/users/<user_id>")]
 pub async fn delete_user<'r>(
 	// from url

src/models/role.rs

@@ -227,6 +227,28 @@ impl Role {
 		}
 	}
 
+	pub async fn remove_limited_to_client(
+		self,
+		client_id: i32,
+		db: &DbConn,
+	) -> Result<bool> {
+		let role_id = self.id;
+		let count = db
+			.run(move |conn| {
+				diesel::delete(
+					roles_limited_to_clients::table
+						.filter(
+							roles_limited_to_clients::client_id.eq(client_id),
+						)
+						.filter(roles_limited_to_clients::role_id.eq(role_id)),
+				)
+				.execute(conn)
+			})
+			.await
+			.map_err(ZauthError::from)?;
+		Ok(count > 0)
+	}
+
 	pub async fn remove_user(self, user_id: i32, db: &DbConn) -> Result<bool> {
 		let count = db
 			.run(move |conn| {