now if you drag and drop a task into a new location (group), it stays…

… there even when you close and open the app

src-tauri/src/db.rs

@@ -443,6 +443,20 @@ pub mod ops {
             }
         }
 
+        #[tauri::command(rename_all = "snake_case")]
+        pub fn update_item(table: &str, id: u64, new_parent_group_id: u64) {
+            let db = DB_SINGLETON.lock().unwrap();
+
+            if let Some(conn) = &db.db_conn {
+                let command = format!("UPDATE {table} SET parent_group_id=(?1) WHERE id=(?2)");
+
+                match conn.execute(&command, params![new_parent_group_id, id]) {
+                    Ok(_) => (),
+                    Err(err) => println!("[ERROR] Could not update task: {}", err.to_string()),
+                }
+            }
+        }
+
         /* ----------------------------------------------------------------------------- */
         /* -------------------------------HELPER FUNCTIONS------------------------------ */
         /* ----------------------------------------------------------------------------- */

src-tauri/src/main.rs

@@ -25,6 +25,7 @@ fn main() {
             ops::commands::add_item,
             ops::commands::delete_item,
             ops::commands::edit_item,
+            ops::commands::update_item,
         ])
         .run(tauri::generate_context!())
         .expect("error while running tauri application");

src/Constants.jsx

@@ -14,6 +14,7 @@ const TAURI_FETCH_TASKS_VIEW = "get_tasks_view";
 const TAURI_ADD_ITEM = "add_item";
 const TAURI_DELETE_ITEM = "delete_item";
 const TAURI_EDIT_ITEM = "edit_item";
+const TAURI_UPDATE_ITEM = "update_item";
 
 export {
   // Table names
@@ -32,4 +33,5 @@ export {
   TAURI_ADD_ITEM,
   TAURI_DELETE_ITEM,
   TAURI_EDIT_ITEM,
+  TAURI_UPDATE_ITEM,
 };

src/views/TasksView/DragDropContext.jsx

@@ -1,7 +1,8 @@
 import React, { createContext, useEffect, useState } from "react";
+import { invoke } from "@tauri-apps/api";
 
 import { addItem, removeItem } from "../../utility/AddRemoveUpdateItems";
-import { TASKS_VIEW } from "../../Constants";
+import { TODAY, TASKS_VIEW, TAURI_UPDATE_ITEM } from "../../Constants";
 
 const DragDropContext = createContext();
 
@@ -25,6 +26,12 @@ const DragDropProvider = ({ children, item }) => {
     // basically event.dataTransfer.getData() always returns a string.
     const droppedItemId = Number(event.dataTransfer.getData("text/plain"));
 
+    invoke(TAURI_UPDATE_ITEM, {
+      table: TODAY,
+      id: droppedItemId,
+      new_parent_group_id: targetId,
+    });
+
     setStructure((prevStructure) => {
       const newStructure = JSON.parse(JSON.stringify(prevStructure));
       removeItem(droppedItemId, newStructure);