work on saving continuing

src-tauri/src/config.rs

@@ -55,6 +55,14 @@ pub fn get_basepath(app_handle: tauri::AppHandle) -> Option<String> {
     return base_path.map(|p| p.to_string_lossy().into_owned());
 }
 
+pub fn _get_client_id(app_handle: &tauri::AppHandle) -> String {
+    let config = app_handle.state::<Mutex<Config>>();
+
+    // Lock the mutex to get mutable access:
+    let config = config.lock().unwrap();
+    let client_id = config.core_cfg.client_id.clone();
+    return client_id;
+}
 #[tauri::command]
 pub fn set_basepath(app_handle: tauri::AppHandle, path: String) -> bool {
     if let Ok(resolved_path) = shellexpand::full(&path) {

src-tauri/src/database.rs

@@ -5,7 +5,7 @@ use std::{
     str::FromStr,
 };
 
-use crate::get_basepath;
+use crate::{config::_get_client_id, get_basepath};
 use serde::{Deserialize, Serialize};
 use sqlx::{migrate::MigrateDatabase, Sqlite, SqlitePool};
 use tauri::{ipc::RuntimeCapability, App, AssetResolver, Manager, Url};
@@ -75,7 +75,7 @@ pub async fn initialize_database(app_handle: tauri::AppHandle) -> Result<(), DBE
             id INTEGER NOT NULL,
             client_id TEXT NOT NULL,
             diff_text TEXT NOT NULL,
-            working_diff BOOLEAN,
+            current_diff BOOLEAN,
             FOREIGN KEY (id)
                REFERENCES file_diffs (parent_diff_id)
             FOREIGN KEY (id)
@@ -171,33 +171,68 @@ async fn get_last_file_diff(
     Ok(parent_diff_id)
 }
 #[tauri::command]
-async fn store_diff(
+pub async fn store_diff(
     app_handle: &tauri::AppHandle,
     relative_file_path: &str,
     file_name: &str,
     diff: String,
 ) -> Result<(), DBError> {
-    let file_id = get_file_id(app_handle, relative_file_path, file_name)
-        .await
-        .map_err(|e| {
-            DBError::DatabaseQueryError("Got file diff for non existant file".to_string())
-        });
-
     let unicode_db_path = get_database_path(&app_handle)?;
+    let client_id = _get_client_id(&app_handle);
     let db = SqlitePool::connect(&unicode_db_path)
         .await
         .map_err(|e| DBError::DatabaseConnectionError(e.to_string()))?;
 
+    // 1 insert into file_diffs with parent
+    // 2 make last diff not currennt diff
+    //
+    // id INTEGER NOT NULL,
+    // client_id TEXT NOT NULL,
+    // diff_text TEXT NOT NULL,
+    // current_diff BOOLEAN,
+    // FOREIGN KEY (id)
+    //    REFERENCES file_diffs (parent_diff_id)
+    // FOREIGN KEY (id)
+    //    REFERENCES files (file_id)
+    // PRIMARY KEY (id, client_id)
     let _ = sqlx::query(&format!(
         "
-        INSERT INTO
-          file_diffs (relative_path, file_name)
-        VALUES
-          ('{relative_file_path}', '{file_name}');"
+        UPDATE file_diffs
+        SET current_diff = 0
+        WHERE relative_path IS '{relative_file_path}'
+        AND file_name IS '{file_name}'
+        AND working_diff is 1
+        "
     ))
     .execute(&db)
     .await
     .map_err(|e| DBError::DatabaseQueryError(e.to_string()))?;
+    let _ = sqlx::query(&format!(
+        "
+        INSERT INTO
+          file_diffs (client_id, diff_text, current_diff, file_diffs, file_id)
+        VALUES
+          ('{client_id}', '{diff}', 1, (
+            SELECT id
+            FROM file_diffs
+            WHERE relative_path IS '{relative_file_path}'
+            AND file_name IS '{file_name}'
+            AND current_diff is 1
+            LIMIT 1
+          ),
+          (
+            SELECT id
+            FROM files
+            WHERE relative_path IS '{relative_file_path}'
+            AND file_name IS '{file_name}'
+            LIMIT 1
+          ));"
+    ))
+    .execute(&db)
+    .await
+    .map_err(|e| DBError::DatabaseQueryError(e.to_string()))?;
+
     db.close().await;
+
     Ok(())
 }

src-tauri/src/file_handler.rs

@@ -1,5 +1,6 @@
 use crate::{
     config::{get_open_file_path, set_open_file_path},
+    database::store_diff,
     get_basepath,
 };
 use diff_match_patch_rs::{Compat, DiffMatchPatch, Error, PatchInput};
@@ -24,6 +25,7 @@ fn compare_content(old_content: &str, new_content: &str) -> Result<String, Error
 pub async fn save_file(app_handle: tauri::AppHandle, content: 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);
             println!("{:?}", compare_content(&file_content, &content));
         }
     }