react_todo-app-with-api

README.md

@@ -47,4 +47,4 @@ Implement the ability to edit a todo title on double click:
 
 - Implement a solution following the [React task guideline](https://github.com/mate-academy/react_task-guideline#react-tasks-guideline).
 - Use the [React TypeScript cheat sheet](https://mate-academy.github.io/fe-program/js/extra/react-typescript).
-- Replace `<your_account>` with your Github username in the [DEMO LINK](https://<your_account>.github.io/react_todo-app-with-api/) and add it to the PR description.
+- Replace `<your_account>` with your Github username in the [DEMO LINK](https://DmytroYakovchuk.github.io/react_todo-app-with-api/) and add it to the PR description.

package.json

@@ -15,7 +15,7 @@
   },
   "devDependencies": {
     "@cypress/react18": "^2.0.1",
-    "@mate-academy/scripts": "^1.8.5",
+    "@mate-academy/scripts": "^2.1.3",
     "@mate-academy/students-ts-config": "*",
     "@mate-academy/stylelint-config": "*",
     "@types/node": "^20.14.10",

src/App.tsx

@@ -1,26 +1,269 @@
 /* eslint-disable max-len */
 /* eslint-disable jsx-a11y/control-has-associated-label */
-import React from 'react';
-import { UserWarning } from './UserWarning';
+/* eslint-disable jsx-a11y/label-has-associated-control */
+/* eslint-disable jsx-a11y/control-has-associated-label */
+import { Header } from './components/Header';
+import { Footer } from './components/Footer';
+import { ErrorNotification } from './components/ErrorNotification';
+import { TodoList } from './components/TodoList';
+import { Filter } from './api/types/Filters';
+import { TempTodo } from './components/TempTodo';
+import { updateTodo } from './api/todos';
+import React, { useEffect, useState, useRef, useCallback } from 'react';
 
-const USER_ID = 0;
+import { Todo } from './api/types/Todo';
+import { addTodo, deleteTodo, getTodos, USER_ID } from './api/todos';
 
 export const App: React.FC = () => {
-  if (!USER_ID) {
-    return <UserWarning />;
-  }
+  const [todos, setTodos] = useState<Todo[]>([]);
+  const [error, setError] = useState<string | null>(null);
+  const [filter, setFilter] = useState(Filter.All);
+  const [newTitle, setNewTitle] = useState('');
+  const [isAdding, setIsAdding] = useState(false);
+
+  const [tempTodo, setTempTodo] = useState<Todo | null>(null);
+  const [deletingIds, setDeletingIds] = useState<number[]>([]);
+  const [loadingIds, setLoadingIds] = useState<number[]>([]);
+  const inputRef = useRef<HTMLInputElement>(null);
+  const [editingTodoId, setEditingTodoId] = useState<number | null>(null);
+
+  const showError = (message: string) => {
+    setError(message);
+
+    setTimeout(() => {
+      setError(null);
+    }, 3000);
+  };
+
+  const handleSubmit = async (e: React.FormEvent) => {
+    e.preventDefault();
+
+    const trimmedTitle = newTitle.trim();
+
+    if (!trimmedTitle) {
+      showError('Title should not be empty');
+
+      return;
+    }
+
+    setIsAdding(true);
+
+    const newTodo = {
+      userId: USER_ID,
+      title: trimmedTitle,
+      completed: false,
+    };
+
+    setTempTodo({
+      id: 0,
+      ...newTodo,
+    });
+
+    const promise = addTodo(newTodo);
+
+    try {
+      const createdTodo = await promise;
+
+      setTodos(prev => [...prev, createdTodo]);
+      setNewTitle('');
+    } catch {
+      showError('Unable to add a todo');
+    } finally {
+      setTempTodo(null);
+      setIsAdding(false);
+      inputRef.current?.focus();
+    }
+  };
+
+  const loadTodos = useCallback(async () => {
+    try {
+      const data = await getTodos();
+
+      setTodos(data);
+    } catch {
+      showError('Unable to load todos');
+    }
+  }, []);
+
+  useEffect(() => {
+    loadTodos();
+  }, [loadTodos]);
+
+  useEffect(() => {
+    inputRef.current?.focus();
+  }, []);
+
+  const handleToggle = async (id: number) => {
+    const todo = todos.find(item => item.id === id);
+
+    if (!todo) {
+      return;
+    }
+
+    setLoadingIds(prev => [...prev, id]);
+
+    try {
+      const updatedTodo = await updateTodo(id, {
+        completed: !todo.completed,
+      });
+
+      setTodos(prev => prev.map(item => (item.id === id ? updatedTodo : item)));
+    } catch {
+      showError('Unable to update a todo');
+    } finally {
+      setLoadingIds(prev => prev.filter(itemId => itemId !== id));
+    }
+  };
+
+  const handleToggleAll = async () => {
+    const allCompleted =
+      todos.length > 0 && todos.every(todo => todo.completed);
+
+    const targetCompleted = !allCompleted;
+
+    const todosToUpdate = todos.filter(
+      todo => todo.completed !== targetCompleted,
+    );
+
+    const idsToUpdate = todosToUpdate.map(todo => todo.id);
+
+    setLoadingIds(prev => [...prev, ...idsToUpdate]);
+
+    try {
+      const updatedTodos = await Promise.all(
+        todosToUpdate.map(todo =>
+          updateTodo(todo.id, {
+            completed: targetCompleted,
+          }),
+        ),
+      );
+
+      setTodos(current =>
+        current.map(todo => {
+          const updated = updatedTodos.find(item => item.id === todo.id);
+
+          return updated || todo;
+        }),
+      );
+    } catch {
+      showError('Unable to update a todo');
+    } finally {
+      setLoadingIds(prev => prev.filter(id => !idsToUpdate.includes(id)));
+    }
+  };
+
+  const handleRename = async (id: number, title: string) => {
+    setLoadingIds(prev => [...prev, id]);
+
+    try {
+      const updatedTodo = await updateTodo(id, { title });
+
+      setTodos(prev => prev.map(todo => (todo.id === id ? updatedTodo : todo)));
+
+      setEditingTodoId(null);
+    } catch {
+      showError('Unable to update a todo');
+    } finally {
+      setLoadingIds(prev => prev.filter(item => item !== id));
+    }
+  };
+
+  const handleDelete = async (id: number) => {
+    try {
+      setDeletingIds(prev => [...prev, id]);
+
+      await deleteTodo(id);
+
+      setTodos(prev => prev.filter(todo => todo.id !== id));
+    } catch {
+      showError('Unable to delete a todo');
+    } finally {
+      setDeletingIds(prev => prev.filter(item => item !== id));
+      inputRef.current?.focus();
+    }
+  };
+
+  const handleClearCompleted = async () => {
+    const completed = todos.filter(todo => todo.completed);
+
+    const results = await Promise.allSettled(
+      completed.map(todo => deleteTodo(todo.id)),
+    );
+
+    const successIds = completed
+      .filter((_, i) => results[i].status === 'fulfilled')
+      .map(todo => todo.id);
+
+    const hasError = results.some(r => r.status === 'rejected');
+
+    setTodos(prev => prev.filter(todo => !successIds.includes(todo.id)));
+
+    if (hasError) {
+      showError('Unable to delete a todo');
+    }
+
+    inputRef.current?.focus();
+  };
+
+  const visibleTodos = todos.filter(todo => {
+    switch (filter) {
+      case Filter.Active:
+        return !todo.completed;
+
+      case Filter.Completed:
+        return todo.completed;
+
+      case Filter.All:
+      default:
+        return true;
+    }
+  });
 
   return (
-    <section className="section container">
-      <p className="title is-4">
-        Copy all you need from the prev task:
-        <br />
-        <a href="https://github.com/mate-academy/react_todo-app-add-and-delete#react-todo-app-add-and-delete">
-          React Todo App - Add and Delete
-        </a>
-      </p>
-
-      <p className="subtitle">Styles are already copied</p>
-    </section>
+    <div className="todoapp">
+      <h1 className="todoapp__title">todos</h1>
+
+      <div className="todoapp__content">
+        <Header
+          newTitle={newTitle}
+          setNewTitle={setNewTitle}
+          onSubmit={handleSubmit}
+          isAdding={isAdding}
+          inputRef={inputRef}
+          hasTodos={todos.length > 0}
+          allCompleted={todos.every(t => t.completed)}
+          onToggleAll={handleToggleAll}
+        />
+
+        {(todos.length > 0 || tempTodo) && (
+          <section className="todoapp__main" data-cy="TodoList">
+            <TodoList
+              todos={visibleTodos}
+              deletingIds={deletingIds}
+              loadingIds={loadingIds}
+              onDelete={handleDelete}
+              onToggle={handleToggle}
+              onRename={handleRename}
+              onStartEditing={setEditingTodoId}
+              onCancelEditing={() => setEditingTodoId(null)}
+              editingTodoId={editingTodoId}
+            />
+
+            {tempTodo && <TempTodo todo={tempTodo} />}
+          </section>
+        )}
+
+        {todos.length > 0 && (
+          <Footer
+            todos={todos}
+            filter={filter}
+            setFilter={setFilter}
+            onClearCompleted={handleClearCompleted}
+          />
+        )}
+      </div>
+
+      <ErrorNotification error={error} onClose={() => setError(null)} />
+    </div>
   );
 };

src/api/todos.ts

@@ -0,0 +1,29 @@
+import { Todo } from './types/Todo';
+import { client } from '../api/types/utils/fetchClient';
+
+export const USER_ID = 1;
+
+const wait = (ms: number) => new Promise(resolve => setTimeout(resolve, ms));
+
+export const getTodos = async () => {
+  await wait(150);
+
+  return client.get<Todo[]>(`/todos?userId=${USER_ID}`);
+};
+
+export const addTodo = async (todo: Omit<Todo, 'id'>) => {
+  return client.post<Todo>('/todos', todo);
+};
+
+export const deleteTodo = async (id: number) => {
+  await wait(150);
+
+  return client.delete(`/todos/${id}`);
+};
+
+export const updateTodo = async (id: number, data: Partial<Todo>) => {
+  await wait(150);
+
+  return client.patch<Todo>(`/todos/${id}`, data);
+};
+// Add more methods here

src/api/types/Filters.ts

@@ -0,0 +1,5 @@
+export enum Filter {
+  All = 'all',
+  Active = 'active',
+  Completed = 'completed',
+}

src/api/types/Todo.ts

@@ -0,0 +1,6 @@
+export interface Todo {
+  id: number;
+  userId: number;
+  title: string;
+  completed: boolean;
+}