Add a route to upload update to the platform

central_backend/src/ota/ota_update.rs

@@ -1,5 +1,22 @@
+use std::fmt::{Display, Formatter};
+
 #[derive(serde::Serialize, serde::Deserialize, Debug, Copy, Clone, Eq, PartialEq)]
 pub enum OTAPlatform {
     #[serde(rename = "Wt32-Eth01")]
     Wt32Eth01,
 }
+
+impl Display for OTAPlatform {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        let s = serde_json::to_string(&self).unwrap().replace('"', "");
+        write!(f, "{s}")
+    }
+}
+
+/// Single OTA update information
+#[derive(serde::Serialize, serde::Deserialize, Debug, Clone, Eq, PartialEq)]
+pub struct OTAUpdate {
+    platform: OTAPlatform,
+    version: semver::Version,
+    file_size: usize,
+}