feat: Add button to install older Northstar version in DevView (#325)

Adds a button to DevView that allows installing older Northstar versions from Thunderstore

1 files changed, 58 insertions, 0 deletions

diff --git a/src-tauri/src/main.rs b/src-tauri/src/main.rs
index df13cfb9..b6c923e3 100644
--- a/src-tauri/src/main.rs
+++ b/src-tauri/src/main.rs
@@ -33,8 +33,25 @@ use northstar::get_northstar_version_number;
 mod thunderstore;
 use thunderstore::query_thunderstore_packages_api;
 
+use semver::Version;
+use serde::{Deserialize, Serialize};
 use tauri::{Manager, Runtime};
 use tokio::time::sleep;
+use ts_rs::TS;
+
+#[derive(Serialize, Deserialize, Debug, Clone, TS)]
+#[ts(export)]
+struct NorthstarThunderstoreRelease {
+    package: String,
+    version: String,
+}
+
+#[derive(Serialize, Deserialize, Debug, Clone, TS)]
+#[ts(export)]
+struct NorthstarThunderstoreReleaseWrapper {
+    label: String,
+    value: NorthstarThunderstoreRelease,
+}
 
 #[derive(Default)]
 struct Counter(Arc<Mutex<i32>>);
@@ -139,6 +156,7 @@ fn main() {
             github::pull_requests::apply_mods_pr,
             github::pull_requests::get_launcher_download_link,
             close_application,
+            get_available_northstar_versions,
         ])
         .run(tauri::generate_context!())
     {
@@ -469,6 +487,46 @@ async fn close_application<R: Runtime>(app: tauri::AppHandle<R>) -> Result<(), S
     Ok(())
 }
 
+/// Gets list of available Northstar versions from Thunderstore
+#[tauri::command]
+async fn get_available_northstar_versions() -> Result<Vec<NorthstarThunderstoreReleaseWrapper>, ()>
+{
+    let northstar_package_name = "Northstar";
+    let index = thermite::api::get_package_index().unwrap().to_vec();
+    let nsmod = index
+        .iter()
+        .find(|f| f.name.to_lowercase() == northstar_package_name.to_lowercase())
+        .ok_or_else(|| panic!("Couldn't find Northstar on thunderstore???"))
+        .unwrap();
+
+    let mut releases: Vec<NorthstarThunderstoreReleaseWrapper> = vec![];
+    for (_version_string, nsmod_version_obj) in nsmod.versions.iter() {
+        let current_elem = NorthstarThunderstoreRelease {
+            package: nsmod_version_obj.name.clone(),
+            version: nsmod_version_obj.version.clone(),
+        };
+        let current_elem_wrapped = NorthstarThunderstoreReleaseWrapper {
+            label: format!(
+                "{} v{}",
+                nsmod_version_obj.name.clone(),
+                nsmod_version_obj.version.clone()
+            ),
+            value: current_elem,
+        };
+
+        releases.push(current_elem_wrapped);
+    }
+
+    releases.sort_by(|a, b| {
+        // Parse version number
+        let a_ver = Version::parse(&a.value.version).unwrap();
+        let b_ver = Version::parse(&b.value.version).unwrap();
+        b_ver.partial_cmp(&a_ver).unwrap() // Sort newest first
+    });
+
+    Ok(releases)
+}
+
 /// Returns a serde json object of the parsed `enabledmods.json` file
 pub fn get_enabled_mods(game_install: &GameInstall) -> Result<serde_json::value::Value, String> {
     let enabledmods_json_path = format!("{}/R2Northstar/enabledmods.json", game_install.game_path);