Show in UI if FlightCore out-of-date

To show user if application is outdated should self-update somehow not
work.

1 files changed, 36 insertions, 0 deletions

diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index c74579d7..6428ce2e 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -342,3 +342,39 @@ pub fn convert_release_candidate_number(version_number: String) -> String {
     // Doesn't work for larger numbers, e.g. `v1.9.2-rc11` -> `v1.9.2011` (should be `v1.9.211`)
     version_number.replace("-rc", "0")
 }
+
+/// Checks if installed FlightCore version is up-to-date
+/// false -> FlightCore install is up-to-date
+/// true  -> FlightCore install is outdated
+pub fn check_is_flightcore_outdated() -> Result<bool, String> {
+    // Get newest version number from GitHub API
+    println!("Checking GitHub API");
+    let url = "https://api.github.com/repos/GeckoEidechse/FlightCore/releases/latest";
+    let user_agent = "GeckoEidechse/FlightCore";
+    let client = reqwest::blocking::Client::new();
+    let res = client
+        .get(url)
+        .header(reqwest::header::USER_AGENT, user_agent)
+        .send()
+        .unwrap()
+        .text()
+        .unwrap();
+
+    let json_response: serde_json::Value =
+        serde_json::from_str(&res).expect("JSON was not well-formatted");
+    println!("Done checking GitHub API");
+
+    // Extract version number from JSON
+    let newest_release_version = json_response
+        .get("tag_name")
+        .and_then(|value| value.as_str())
+        .unwrap();
+
+    // Get version of installed FlightCore...
+    let version = env!("CARGO_PKG_VERSION");
+    // ...and format it
+    let version = format!("v{}", version);
+
+    // TODO: This shouldn't be a string compare but promper semver compare
+    Ok(version != newest_release_version)
+}