fixes

src/database.rs

@@ -4,7 +4,7 @@ use log::{error, info};
 use sqlx::{migrate, pool, postgres::PgPoolOptions, query, query_as, PgPool, Pool, Postgres};
 use thiserror::Error;
 
-use crate::schemas::{TelemetryMessage, TelemetryMessageFromDevice, ValueMessageFromDevice, ValueMessage};
+use crate::schemas::{TelemetryMessage, TelemetryMessageFromDevice, ValueMessageFromDevice, ValueMessage, Device};
 
 #[derive(Clone)]
 pub struct Database {
@@ -140,4 +140,17 @@ impl Database {
 
         Ok(values)
     }
+
+    pub async fn get_devices(&self) -> Result<Vec<Device>, DatabaseError> {
+        info!("Getting all devices");
+        let devices = query_as!(
+            Device,
+            "SELECT id, display_name 
+            FROM Devices;",
+        )
+        .fetch_all(&self.conn_pool)
+        .await?;
+
+        Ok(devices)
+    }
 }

src/main.rs

@@ -84,6 +84,19 @@ async fn get_value(device_id: web::Path<String>, data: web::Data<AppState>) -> i
     HttpResponse::Ok().json(messages)
 }
 
+#[get("/device/")]
+async fn get_devices(data: web::Data<AppState>) -> impl Responder {
+    info!("GET - devices - Processing");
+    let devices = match data.db.get_devices().await {
+        Ok(devs) => devs,
+        Err(e) => {
+            error!("Getting Devices from DB failed \n{}", e);
+            return HttpResponse::InternalServerError().finish();
+        }
+    };
+    HttpResponse::Ok().json(devices)
+}
+
 #[actix_web::main]
 async fn main() -> std::io::Result<()> {
     env_logger::init();
@@ -100,8 +113,9 @@ async fn main() -> std::io::Result<()> {
             .service(get_telemetry)
             .service(receive_value)
             .service(get_value)
+            .service(get_devices)
     })
-    .bind(("127.0.0.1", 8080))?
+    .bind(("0.0.0.0", 8080))?
     .run()
     .await
 }

src/schemas.rs

@@ -31,3 +31,9 @@ pub struct ValueMessage {
     pub value_id: i32,
     pub timestamp: NaiveDateTime,
 }
+
+#[derive(Deserialize, Debug, Serialize)]
+pub struct Device {
+    pub display_name: Option<String>, 
+    pub id: String
+}