diff --git a/src-tauri/src/config.rs b/src-tauri/src/config.rs
index 7e8c121..ffa4216 100644
--- a/src-tauri/src/config.rs
+++ b/src-tauri/src/config.rs
@@ -91,7 +91,7 @@ pub fn get_open_file_path(app_handle: tauri::AppHandle) -> Option<String> {
     let open_file_path = config.core_cfg.current_file.clone();
     return open_file_path.map(|p| p.to_string_lossy().into_owned());
 }
-pub fn set_open_file_path(app_handle: tauri::AppHandle, path: &String) {
+pub fn set_open_file_path(app_handle: tauri::AppHandle, path: &str) {
     let mut config = app_handle.state::<Mutex<Config>>();
 
     // Lock the mutex to get mutable access:
diff --git a/src-tauri/src/file_handler.rs b/src-tauri/src/file_handler.rs
index 231785d..07c2d16 100644
--- a/src-tauri/src/file_handler.rs
+++ b/src-tauri/src/file_handler.rs
@@ -4,7 +4,7 @@ use crate::{
     get_basepath,
 };
 use diff_match_patch_rs::{Compat, DiffMatchPatch, Error, PatchInput};
-use std::fs::read_to_string;
+use std::{fs::read_to_string, path::PathBuf};
 use std::path::Path;
 use tauri::{ipc::RuntimeCapability, App, AssetResolver, Manager, Url};
 
@@ -22,17 +22,18 @@ fn compare_content(old_content: &str, new_content: &str) -> Result<String, Error
 }
 
 #[tauri::command]
-pub async fn save_file(app_handle: tauri::AppHandle, content: String) {
+pub async fn save_file(app_handle: tauri::AppHandle, content: String)  -> Result<(), String> {
     if let Some(path) = get_open_file_path(app_handle.clone()) {
-        if let Ok(file_content) = load_file(app_handle, path).await {
-            // store_diff(&app_handle, &path, file_name, diff);
+        if let Ok(file_content) = load_file(app_handle.clone(), &path).await {
+            store_diff(&app_handle, &path.clone(), &PathBuf::from(path).file_name().unwrap().to_string_lossy(), compare_content(&file_content, &content).map_err(|e| format!("{e:?}"))?);
             println!("{:?}", compare_content(&file_content, &content));
         }
     }
+    Ok(())
 }
 
 #[tauri::command]
-pub async fn load_file(app_handle: tauri::AppHandle, path: String) -> Result<String, String> {
-    set_open_file_path(app_handle, &path);
+pub async fn load_file(app_handle: tauri::AppHandle, path: &str) -> Result<String, String> {
+    set_open_file_path(app_handle, path);
     read_to_string(path).map_err(|e| e.to_string())
 }