Implement things in rust

app/src/invoke.ts

@@ -46,7 +46,7 @@ export interface ModsIntegrity {
 export interface AddInstanceArgs {
     gameId: number;
     name: string;
-    install_path: string;
+    installPath: string;
 }
 
 export interface InvokeFunction {

common/src/instances/instance.rs

@@ -25,6 +25,30 @@ pub struct Instance {
 }
 
 impl Instance {
+    pub fn blank() -> Instance {
+        return Instance {
+            id: -1,
+            name: "".to_string(),
+            game: KSPGame::KSP1,
+            mods: Vec::new(),
+            install_path: PathBuf::from(""),
+            description: None,
+            time_played: None,
+        };
+    }
+
+    pub fn new_id() -> i32 {
+        let mut id = Instance::load().len() as i32 - 1;
+        let mut instance = Some(Instance::blank());
+
+        while instance.is_some() {
+            id += 1;
+            instance = Instance::from_id(id);
+        }
+
+        return id;
+    }
+
     pub fn defaults() -> Vec<Self> {
         let v = vec![
             Instance {

gui/src/main.rs

@@ -194,6 +194,23 @@ fn set_active_instance(instance_id: i32) {
     }
 }
 
+#[tauri::command]
+fn add_instance(game_id: i32, name: String, install_path: String) {
+    let id = Instance::new_id();
+
+    let instance = Instance {
+        id,
+        name,
+        game: KSPGame::from_id(game_id).unwrap(),
+        description: None,
+        mods: Vec::new(),
+        install_path: PathBuf::from(install_path),
+        time_played: None,
+    };
+
+    instance.save();
+}
+
 pub fn main() {
     tauri::Builder::default()
         .invoke_handler(tauri::generate_handler![
@@ -211,7 +228,8 @@ pub fn main() {
             read_mod_json,
             update_description,
             get_active_instance,
-            set_active_instance
+            set_active_instance,
+            add_instance
         ])
         .run(tauri::generate_context!())
         .expect("Error while starting Wormhole!");