From 2082070fa9d79fe0702441f814f920095d1393c9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Adri=C3=A1n=20Oliva?= <adrian.oliva@cimat.mx>
Date: Sun, 28 May 2023 14:24:41 -0600
Subject: Little bug on last index.

Because the Front End wasn't tracking the deleted items, the indexes
between the database and the front end were not matching.
---
 src/App.jsx                  | 17 +++++++++++++++--
 src/api/axios_methods.js     | 14 ++++++++++++++
 src/features/todo/reducer.js |  5 +++++
 3 files changed, 34 insertions(+), 2 deletions(-)

diff --git a/src/App.jsx b/src/App.jsx
index 6f1b14f..b39d5d9 100644
--- a/src/App.jsx
+++ b/src/App.jsx
@@ -4,9 +4,13 @@ import { NewToDo } from "./ToDo-UI/NewToDo";
 import { ListToDos } from "./ToDo-UI/ListToDo";
 
 import { useDispatch } from "react-redux";
-import { set_todo, refresh_filtered_todos } from "./features/todo/reducer";
+import {
+    set_last_id,
+    set_todo,
+    refresh_filtered_todos,
+} from "./features/todo/reducer";
 
-import { get_todos_function } from "./api/axios_methods";
+import { get_todos_function, get_last_id_function } from "./api/axios_methods";
 
 function App() {
     const get_todos = get_todos_function();
@@ -37,6 +41,15 @@ function App() {
     }
     get_todos(handler);
 
+    const last_id_api = get_last_id_function();
+    last_id_api((response) => {
+        dispatch(
+            set_last_id({
+                id: response,
+            })
+        );
+    });
+
     return (
         <div>
             <Search />
diff --git a/src/api/axios_methods.js b/src/api/axios_methods.js
index ffc0c28..f983157 100644
--- a/src/api/axios_methods.js
+++ b/src/api/axios_methods.js
@@ -86,3 +86,17 @@ export function set_undone_function() {
         }
     };
 }
+
+// giveMeLastID().
+export function get_last_id_function() {
+    // Retrieve last index used.
+    // GET "/todos/lastIndex"
+    return async (handler) => {
+        try {
+            const response = await api.get("/todos/lastIndex");
+            handler(response.data);
+        } catch (err) {
+            console.log(err);
+        }
+    };
+}
diff --git a/src/features/todo/reducer.js b/src/features/todo/reducer.js
index 16fc427..118e482 100644
--- a/src/features/todo/reducer.js
+++ b/src/features/todo/reducer.js
@@ -17,6 +17,10 @@ export const todo_slice = createSlice({
     },
 
     reducers: {
+        set_last_id: (state, action) => {
+            state.last_id = action.payload.id;
+        },
+
         add_todo: (state, action) => {
             state.todos = [
                 ...state.todos,
@@ -196,6 +200,7 @@ export const todo_slice = createSlice({
 });
 
 export const {
+    set_last_id,
     add_todo,
     set_todo,
     change_done,
-- 
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