From 76c89b47fd74e069f9db73503a5131a5a60b8516 Mon Sep 17 00:00:00 2001
From: fxqnlr <felixquinn03@gmail.com>
Date: Sat, 10 Aug 2024 21:21:34 +0200
Subject: add 'devices' path to request all available devices

---
 src/main.rs           |  4 +++-
 src/routes.rs         |  1 +
 src/routes/devices.rs | 24 ++++++++++++++++++++++++
 src/storage.rs        | 25 ++++++++++++++++++++++---
 4 files changed, 50 insertions(+), 4 deletions(-)
 create mode 100644 src/routes/devices.rs

diff --git a/src/main.rs b/src/main.rs
index b550dd8..edee184 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,6 +1,6 @@
 use crate::{
     config::Config,
-    routes::{device, start, status},
+    routes::{device, devices, start, status},
     services::ping::{BroadcastCommand, StatusMap},
     storage::Device,
 };
@@ -36,6 +36,7 @@ mod wol;
         device::get,
         device::post,
         device::put,
+        devices::get,
     ),
     components(
         schemas(
@@ -113,6 +114,7 @@ async fn main() -> color_eyre::eyre::Result<()> {
         .route("/start/:id", post(start::post).get(start::get))
         .route("/device", post(device::post).put(device::put))
         .route("/device/:id", get(device::get))
+        .route("/devices", get(devices::get))
         .route("/status", get(status::status))
         .route_layer(from_fn_with_state(shared_state.clone(), auth::auth))
         .merge(SwaggerUi::new("/swagger-ui").url("/api-docs/openapi.json", ApiDoc::openapi()))
diff --git a/src/routes.rs b/src/routes.rs
index a72f27b..b6ad590 100644
--- a/src/routes.rs
+++ b/src/routes.rs
@@ -1,3 +1,4 @@
 pub mod start;
 pub mod device;
+pub mod devices;
 pub mod status;
diff --git a/src/routes/devices.rs b/src/routes/devices.rs
new file mode 100644
index 0000000..616441c
--- /dev/null
+++ b/src/routes/devices.rs
@@ -0,0 +1,24 @@
+use crate::error::Error;
+use crate::storage::Device;
+use axum::Json;
+use serde_json::{json, Value};
+use tracing::{debug, info};
+
+#[utoipa::path(
+    get,
+    path = "/devices",
+    responses(
+        (status = 200, description = "Get an array of all `Device`s", body = [Vec<Device>])
+    ),
+    security((), ("api_key" = []))
+)]
+pub async fn get(
+) -> Result<Json<Value>, Error> {
+    info!("get all devices");
+
+    let devices = Device::read_all()?;
+
+    debug!("got devices");
+
+    Ok(Json(json!(devices)))
+}
diff --git a/src/storage.rs b/src/storage.rs
index 90ff1b4..e069875 100644
--- a/src/storage.rs
+++ b/src/storage.rs
@@ -1,5 +1,6 @@
 use std::{
-    fs::{create_dir_all, File},
+    ffi::OsStr,
+    fs::{create_dir_all, File, read_dir},
     io::{Read, Write},
     path::Path,
 };
@@ -26,14 +27,14 @@ impl Device {
     const STORAGE_PATH: &'static str = "devices";
 
     pub fn setup() -> Result<String, Error> {
-        trace!("check for storage at {}", Self::STORAGE_PATH);
+        trace!("check for storage STORAGE_PATH=\"{}\"", Self::STORAGE_PATH);
         let sp = Path::new(Self::STORAGE_PATH);
         if !sp.exists() {
             warn!("device storage path doesn't exist, creating it");
             create_dir_all(Self::STORAGE_PATH)?;
         };
 
-        debug!("device storage at '{}'", Self::STORAGE_PATH);
+        debug!("device storage STORAGE_PATH=\"{}\"", Self::STORAGE_PATH);
 
         Ok(Self::STORAGE_PATH.to_string())
     }
@@ -49,6 +50,24 @@ impl Device {
         Ok(dev)
     }
 
+    pub fn read_all() -> Result<Vec<Self>, Error> {
+        trace!("attempt to read all files");
+        let st_path = read_dir(Self::STORAGE_PATH)?;
+
+        let mut devices = vec![];
+        for file_path in st_path {
+            let file_path = file_path?;
+            if file_path.path().extension() != Some(OsStr::new("json")) { continue; };
+            let mut file = File::open(file_path.path())?;
+            let mut buf = String::new();
+            file.read_to_string(&mut buf)?;
+            trace!(?file, ?buf, "read successfully from file");
+            devices.push(serde_json::from_str(&buf)?);
+        }
+
+        Ok(devices)
+    }
+
     pub fn write(&self) -> Result<(), Error> {
         trace!(?self.id, ?self, "attempt to write to file");
         let mut file = File::create(format!("{}/{}.json", Self::STORAGE_PATH, self.id))?;
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