feat(settings): finish download dir CRUD interface

src-tauri/src/db.rs

@@ -101,7 +101,7 @@ impl DatabaseImpls for DatabaseInterface {
 }
 
 #[tauri::command]
-pub fn add_new_download_dir(new_dir: String) -> Result<(), String> {
+pub fn add_download_dir(new_dir: String) -> Result<(), String> {
     // Check the new directory is all good
     let new_dir_path = Path::new(&new_dir);
     if new_dir_path.exists() {
@@ -124,6 +124,9 @@ pub fn add_new_download_dir(new_dir: String) -> Result<(), String> {
 
     // Add it to the dictionary
     let mut lock = DB.borrow_data_mut().unwrap();
+    if lock.games.install_dirs.contains(&new_dir) {
+        return Err("Download directory already used".to_string());
+    }
     lock.games.install_dirs.push(new_dir);
     drop(lock);
     DB.save().unwrap();
@@ -131,6 +134,16 @@ pub fn add_new_download_dir(new_dir: String) -> Result<(), String> {
     Ok(())
 }
 
+#[tauri::command]
+pub fn delete_download_dir(index: usize) -> Result<(), String> {
+    let mut lock = DB.borrow_data_mut().unwrap();
+    lock.games.install_dirs.remove(index);
+    drop(lock);
+    DB.save().unwrap();
+
+    Ok(())
+}
+
 // Will, in future, return disk/remaining size
 // Just returns the directories that have been set up
 #[tauri::command]

src-tauri/src/lib.rs

@@ -10,7 +10,7 @@ mod tests;
 
 use crate::db::DatabaseImpls;
 use auth::{auth_initiate, generate_authorization_header, recieve_handshake};
-use db::{add_new_download_dir, fetch_download_dir_stats, DatabaseInterface, DATA_ROOT_DIR};
+use db::{add_download_dir, delete_download_dir, fetch_download_dir_stats, DatabaseInterface, DATA_ROOT_DIR};
 use downloads::download_commands::*;
 use downloads::download_manager::DownloadManagerBuilder;
 use downloads::download_manager_interface::DownloadManager;
@@ -126,7 +126,8 @@ pub fn run() {
             // Library
             fetch_library,
             fetch_game,
-            add_new_download_dir,
+            add_download_dir,
+            delete_download_dir,
             fetch_download_dir_stats,
             // Downloads
             download_game,