From 276255f5a20fa05a005e765287239ca5ffe439e4 Mon Sep 17 00:00:00 2001
From: Cara Salter <cara@devcara.com>
Date: Thu, 9 Jun 2022 10:28:42 -0400
Subject: planets: State manipulation

---
 src/errors.rs           | 10 +++++++++-
 src/handlers/planets.rs | 52 +++++++++++++++++++++++++++++++++++++++++++++++--
 src/main.rs             | 13 ++++++++++++-
 3 files changed, 71 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/errors.rs b/src/errors.rs
index d76db92..b22932f 100644
--- a/src/errors.rs
+++ b/src/errors.rs
@@ -12,6 +12,9 @@ pub enum ServiceError {
 
     #[error("Axum error: {0}")]
     Axum(#[from] axum::Error),
+
+    #[error("Not Found")]
+    NotFound,
 }
 
 pub type StringResult<T = &'static str> = std::result::Result<T, ServiceError>;
@@ -23,8 +26,13 @@ impl IntoResponse for ServiceError {
     fn into_response(self) -> Response {
 
         let body = body::boxed(body::Full::from(self.to_string()));
+
+        let status = match self {
+            ServiceError::NotFound => StatusCode::NOT_FOUND,
+            _ => StatusCode::INTERNAL_SERVER_ERROR,
+        };
         Response::builder()
-            .status(StatusCode::INTERNAL_SERVER_ERROR)
+            .status(status)
             .body(body)
             .unwrap()
     }
diff --git a/src/handlers/planets.rs b/src/handlers/planets.rs
index e80e7fe..a57f605 100644
--- a/src/handlers/planets.rs
+++ b/src/handlers/planets.rs
@@ -1,11 +1,11 @@
-use axum::{response::IntoResponse, Json};
+use axum::{response::IntoResponse, Json, extract::Path};
 
 use tracing::{error, instrument};
 
 use solarlib::star::Star;
 use solarlib::planet::Planet;
 
-use crate::errors::*;
+use crate::{errors::*, get_star};
 
 pub async fn list() -> JsonResult<Json<Vec<Planet>>> {
     let con_url = std::env::var("QEMU_URL").unwrap_or("qemu:///system".to_string());
@@ -16,3 +16,51 @@ pub async fn list() -> JsonResult<Json<Vec<Planet>>> {
     Ok(Json(inhabitants))
 }
 
+pub async fn get(Path(uuid): Path<String>) -> JsonResult<Json<Planet>> {
+
+    let con_url = std::env::var("QEMU_URL").unwrap_or("qemu:///system".to_string());
+    let mut star = Star::new(con_url)?;
+
+    if let Ok(p) = star.find_planet(uuid) {
+        return Ok(Json(p));
+    } else {
+        return Err(ServiceError::NotFound);
+    }
+}
+
+pub async fn shutdown(Path(uuid): Path<String>) -> NoneResult {
+    let con_url = std::env::var("QEMU_URL").unwrap_or("qemu:///system".to_string());
+    let mut star = Star::new(con_url)?;
+
+    if let Ok(p) = star.find_planet(uuid) {
+        p.shutdown()?;
+    } else {
+        return Err(ServiceError::NotFound);
+    }
+
+    Ok(())
+}
+
+pub async fn start(Path(uuid): Path<String>) -> NoneResult {
+    let mut s = get_star()?;
+
+    if let Ok(p) = s.find_planet(uuid) {
+        p.start()?;
+    } else {
+        return Err(ServiceError::NotFound);
+    }
+
+    Ok(())
+}
+
+pub async fn pause(Path(uuid): Path<String>) -> NoneResult {
+    let mut s = get_star()?;
+
+    if let Ok(p) = s.find_planet(uuid) {
+        p.pause()?;
+    } else {
+        return Err(ServiceError::NotFound);
+    }
+
+    Ok(())
+}
diff --git a/src/main.rs b/src/main.rs
index 8fbd0ff..742113e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -2,11 +2,12 @@ use axum::{
     error_handling::HandleErrorLayer,
     http::StatusCode,
     response::IntoResponse,
-    routing::get,
+    routing::{get, post},
     Json, Router
 };
 
 use serde::{Deserialize, Serialize};
+use solarlib::star::Star;
 use std::{net::SocketAddr, time::Duration, str::FromStr};
 
 use tower::{BoxError, ServiceBuilder};
@@ -33,6 +34,10 @@ async fn main() {
     let app = Router::new()
         .route("/health", get(health_check))
         .route("/planets/list", get(handlers::planets::list))
+        .route("/planets/:uuid", get(handlers::planets::get))
+        .route("/planets/:uuid/shutdown", post(handlers::planets::shutdown))
+        .route("/planets/:uuid/start", post(handlers::planets::start))
+        .route("/planets/:uuid/pause", post(handlers::planets::pause))
         .layer(            ServiceBuilder::new()
                 .layer(HandleErrorLayer::new(|error: BoxError| async move {
                     if error.is::<tower::timeout::error::Elapsed>() {
@@ -61,3 +66,9 @@ async fn main() {
 async fn health_check() -> &'static str {
     "OK"
 }
+
+fn get_star() -> Result<Star, errors::ServiceError> {
+    let con_url = std::env::var("QEMU_URL").unwrap_or("qemu:///system".to_string());
+    
+    Ok(Star::new(con_url)?)
+}
-- 
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