Get the list of OTA updates for a given platform

central_backend/src/ota/ota_manager.rs

@@ -1,6 +1,8 @@
 use crate::app_config::AppConfig;
-use crate::ota::ota_update::OTAPlatform;
+use crate::ota::ota_update::{OTAPlatform, OTAUpdate};
 use crate::utils::files_utils;
+use std::os::unix::fs::MetadataExt;
+use std::str::FromStr;
 
 /// Check out whether a given update exists or not
 pub fn update_exists(platform: OTAPlatform, version: &semver::Version) -> anyhow::Result<bool> {
@@ -22,3 +24,22 @@ pub fn save_update(
 
     Ok(())
 }
+
+/// Get the list of OTA software updates for a platform
+pub fn get_ota_updates_for_platform(platform: OTAPlatform) -> anyhow::Result<Vec<OTAUpdate>> {
+    let ota_path = AppConfig::get().ota_platform_dir(platform);
+
+    let mut out = Vec::new();
+
+    for e in std::fs::read_dir(ota_path)? {
+        let e = e?;
+
+        out.push(OTAUpdate {
+            platform,
+            version: semver::Version::from_str(e.file_name().to_str().unwrap_or("bad"))?,
+            file_size: e.metadata()?.size(),
+        });
+    }
+
+    Ok(out)
+}

central_backend/src/ota/ota_update.rs

@@ -16,7 +16,7 @@ impl Display for OTAPlatform {
 /// Single OTA update information
 #[derive(serde::Serialize, serde::Deserialize, Debug, Clone, Eq, PartialEq)]
 pub struct OTAUpdate {
-    platform: OTAPlatform,
-    version: semver::Version,
-    file_size: usize,
+    pub platform: OTAPlatform,
+    pub version: semver::Version,
+    pub file_size: u64,
 }